pax_global_header00006660000000000000000000000064140055300600014503gustar00rootroot0000000000000052 comment=849b6c15e972c157b1bf3c8241779a4e1485c605 sndfile-tools-1.5/000077500000000000000000000000001400553006000141325ustar00rootroot00000000000000sndfile-tools-1.5/AUTHORS000066400000000000000000000200671400553006000152070ustar00rootroot00000000000000Original author: The main author of libsndfile is Erik de Castro Lopo . Current maintainers: After the release of version 1.04, @erikd transferred the project to [the libsndfile team](https://github.com/libsndfile) consisting of: * Erik de Castro Lopo aka @erikd * David Seifert aka @SoapGentoo * Arthur Taylor aka @arthurt * @evpobr Current release manager is David Seifert: -----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v2 mQINBFppABgBEAC42ZiNvV7BTIgR6TQy0YnF54fx3mVRP1u8Mq00UZa7reAsNKh7 1H60j0W4s6+4pVVIKGfpVGxLwUdJe+KVCYw1Cd3YW6uMf5zZrC/ZWqnJiH/n6S6o 1l4INII2o6YbGBnzIWBPRo7PlOL+mvgKTLpBSJPnhD8XDGN5wRiV8rL2+6Dptg0F nJt7oxECGF3OD3gk6HMel0o82CVkIqMtNaX1L/bhcdF7K0Rp2MXPZMmpn1izW5sI asN1G9+w+Zwj7kMJzq1Aw3ac+rsX4SEYdvXjS2QhDHQUIr6LXri3D2WbcEqIZj2R JVoVwblsrG11dYXFDBbgrq4NhgTBsxHYDlkr/qF2W+kbPC/nhSqTVZeCYvTBZbOQ +RqyN/I0izukglnWmV1jGijFA8snyP8efx732hw/24zRYmtXOtnEITUpw8WOeZCq 6uiHaQ+eopnY2ojBg9BI7WZm0AFn58xxT9soMsyFOUFgXTqaWFZWlJ3fhZE8/0v8 JEu/kPGE5aJReT3b34B+Bojkj74XR+h2u7iJJBHMTE8RwGoUOZHer/XsL9xlcdks 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The public GPG key: -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEapGlzyLCTJmjXgE/z9z5H7JCrO0FAljgv0wACgkQz9z5H7JC rO2RhxAAnIuHquhkhaY8CVsIOGImMxEF8RKDyFoioV9RnckNzBb592EYxU9hS0MM cT6xPZU0bJa8CvmCxEABMlkk60JP4VmmOtWxD8EEyktbHGyao80mDR82yVKYv78L zTRzz/JoTncgwWz/QataMbkAfy3KpxkwDW87az0kzkqGuSm3Jg3medt+t/iBe0Wm jcxIexxEZCmIhty6VyaVEkGWax0zdJHe7aD9FK2C/R3DU5Byp4e9pcp/a8v74G1n dgD4S3YlqvJGuU9S6QD4PzsoWD1X8f6pHzxpRP/OkqHAe11sSRo6sSYYCjsYi9Ca IJSlVC1nMx9OUxxAA8ZqtnztOo7GZcJ5NAL5X3GNV6YfQ7Bqxvtr6QG26F06MB6i p08UC7NC0bxFsD3f07wY22QnbnM052rniTn5sqQZv+GVls6t1b3u1iHzEjAjlgvi eOjVVt/A8iaOzMbKC/3+SZ9/GYqbSAQOCIoWAXmhV9IaMQyQeLCIC1YD5NMGBXal HPfSHV0hSUDbKjAYXFigJRzFU125bXTgg+v13Kd0KklIEjoaZYZLAYs0BupXdjBf jSPv8pwUaXJkv9/bGH0Ot1fvwDqPDOlGFINQbGAWdxwsdhiYBeXMFeFNTEfiqEMz BhhMxKa+Mfd9fkrX4NNigGW5QgRBS+FHNLf6ZfiXSnBGjjxMcbI= =UUA0 -----END PGP SIGNATURE----- sndfile-tools-1.5/CMakeLists.txt000066400000000000000000000072041400553006000166750ustar00rootroot00000000000000cmake_minimum_required(VERSION 3.12) project(sndfile-tools VERSION 1.5 DESCRIPTION "Collection of programs for operating on sound files" HOMEPAGE_URL "http://libsndfile.github.io/libsamplerate/" LANGUAGES C ) include(CheckIncludeFile) include(CheckLibraryExists) include(CMakeDependentOption) include(CPack) include(GNUInstallDirs) include(FeatureSummary) include(CTest) find_library(HAVE_LIBM m) if(HAVE_LIBM) check_library_exists(m floor "" HAVE_FLOOR_IN_LIBM) if(HAVE_FLOOR_IN_LIBM) list(APPEND CMAKE_REQUIRED_LIBRARIES m) endif() endif() check_include_file(sys/wait.h HAVE_SYS_WAIT_H) find_package(PkgConfig) pkg_check_modules(SNDFILE REQUIRED IMPORTED_TARGET sndfile>=1.0.19) pkg_check_modules(SAMPLERATE REQUIRED IMPORTED_TARGET samplerate>=0.1.5) pkg_check_modules(FFTW3 REQUIRED IMPORTED_TARGET fftw3>=0.15.0) pkg_check_modules(CAIRO REQUIRED IMPORTED_TARGET cairo>=1.4.0) pkg_check_modules(JACK IMPORTED_TARGET jack>=0.100) if(JACK_FOUND) find_package(Threads) endif() configure_file(config.h.cmake config.h) add_compile_definitions(HAVE_CONFIG_H) include_directories(${PROJECT_BINARY_DIR}) cmake_dependent_option(ENABLE_JACK "Enable libjack" ON "ENABLE_JACK" OFF) add_executable(sndfile-generate-chirp src/generate-chirp.c src/common.c src/common.h ) target_link_libraries(sndfile-generate-chirp PRIVATE PkgConfig::SNDFILE) add_executable(sndfile-spectrogram src/spectrogram.c src/window.c src/common.c src/window.h src/common.h src/spectrum.c src/spectrum.h ) target_link_libraries(sndfile-spectrogram PRIVATE PkgConfig::SNDFILE PkgConfig::FFTW3 PkgConfig::CAIRO ) add_executable(sndfile-mix-to-mono src/mix-to-mono.c src/common.h src/common.c ) target_link_libraries(sndfile-mix-to-mono PRIVATE PkgConfig::SNDFILE) add_executable(sndfile-waveform src/waveform.c src/common.c src/common.h ) target_link_libraries(sndfile-waveform PRIVATE PkgConfig::SNDFILE PkgConfig::CAIRO ) add_executable(sndfile-resample src/resample.c src/common.c src/common.h ) target_link_libraries(sndfile-resample PRIVATE PkgConfig::SNDFILE PkgConfig::SAMPLERATE ) if(ENABLE_JACK) add_executable(sndfile-jackplay src/jackplay.c) target_link_libraries(sndfile-jackplay PRIVATE PkgConfig::SNDFILE PkgConfig::JACK ) if(Threads_FOUND) target_link_libraries(sndfile-jackplay PRIVATE Threads::Threads) endif() endif() set(SNDFILE_TOOLS_TARGETS sndfile-generate-chirp sndfile-spectrogram sndfile-mix-to-mono sndfile-waveform sndfile-resample ) if(ENABLE_JACK) list(APPEND SNDFILE_TOOLS_TARGETS sndfile-jackplay) endif() install(TARGETS ${SNDFILE_TOOLS_TARGETS} RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} ) set(SNDFILE_TOOLS_MANS man/sndfile-generate-chirp.1 man/sndfile-mix-to-mono.1 man/sndfile-resample.1 man/sndfile-spectrogram.1 man/sndfile-waveform.1 ) if(ENABLE_JACK) list(APPEND SNDFILE_TOOLS_MANS man/sndfile-jackplay.1) endif() install(FILES ${SNDFILE_TOOLS_MANS} DESTINATION ${CMAKE_INSTALL_MANDIR}/man1) add_feature_info(ENABLE_JACK ENABLE_JACK "build sndfile-jackplay (requires libjack library).") feature_summary(WHAT ENABLED_FEATURES DISABLED_FEATURES) if(BUILD_TESTING) add_executable(kaiser_window_test tests/kaiser_window_test.c src/window.h src/window.c) target_include_directories(kaiser_window_test PRIVATE ${PROJECT_SOURCE_DIR}) add_test(COMMAND kaiser_window_test NAME kaiser_window_test) if(HAVE_SYS_WAIT_H) add_executable(common_tests tests/common_tests.c src/common.c src/common.h) target_include_directories(common_tests PRIVATE ${PROJECT_SOURCE_DIR}) add_test(COMMAND common_tests NAME common_tests) endif() endif() sndfile-tools-1.5/COPYING000066400000000000000000000431221400553006000151670ustar00rootroot00000000000000 GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. 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The "Program", below, refers to any such program or work, and a "work based on the Program" means either the Program or any derivative work under copyright law: that is to say, a work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term "modification".) Each licensee is addressed as "you". Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program (independent of having been made by running the Program). Whether that is true depends on what the Program does. 1. You may copy and distribute verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the Program a copy of this License along with the Program. You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee. 2. You may modify your copy or copies of the Program or any portion of it, thus forming a work based on the Program, and copy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these conditions: a) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change. b) You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License. c) If the modified program normally reads commands interactively when run, you must cause it, when started running for such interactive use in the most ordinary way, to print or display an announcement including an appropriate copyright notice and a notice that there is no warranty (or else, saying that you provide a warranty) and that users may redistribute the program under these conditions, and telling the user how to view a copy of this License. (Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the Program is not required to print an announcement.) These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the Program, and can be reasonably considered independent and separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same sections as part of a whole which is a work based on the Program, the distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it. Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you; rather, the intent is to exercise the right to control the distribution of derivative or collective works based on the Program. In addition, mere aggregation of another work not based on the Program with the Program (or with a work based on the Program) on a volume of a storage or distribution medium does not bring the other work under the scope of this License. 3. You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following: a) Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, b) Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, c) Accompany it with the information you received as to the offer to distribute corresponding source code. (This alternative is allowed only for noncommercial distribution and only if you received the program in object code or executable form with such an offer, in accord with Subsection b above.) The source code for a work means the preferred form of the work for making modifications to it. For an executable work, complete source code means all the source code for all modules it contains, plus any associated interface definition files, plus the scripts used to control compilation and installation of the executable. However, as a special exception, the source code distributed need not include anything that is normally distributed (in either source or binary form) with the major components (compiler, kernel, and so on) of the operating system on which the executable runs, unless that component itself accompanies the executable. If distribution of executable or object code is made by offering access to copy from a designated place, then offering equivalent access to copy the source code from the same place counts as distribution of the source code, even though third parties are not compelled to copy the source along with the object code. 4. You may not copy, modify, sublicense, or distribute the Program except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance. 5. You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it. 6. Each time you redistribute the Program (or any work based on the Program), the recipient automatically receives a license from the original licensor to copy, distribute or modify the Program subject to these terms and conditions. You may not impose any further restrictions on the recipients' exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License. 7. If, as a consequence of a court judgment or allegation of patent infringement or for any other reason (not limited to patent issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program. If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances. It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims; this section has the sole purpose of protecting the integrity of the free software distribution system, which is implemented by public license practices. Many people have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system; it is up to the author/donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice. This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License. 8. If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License. 9. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the Program specifies a version number of this License which applies to it and "any later version", you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation. 10. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally. NO WARRANTY 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. END OF TERMS AND CONDITIONS How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms. To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. Copyright (C) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) year name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. , 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Library General Public License instead of this License. sndfile-tools-1.5/COPYING.GPLv3000066400000000000000000001045131400553006000160630ustar00rootroot00000000000000 GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright (C) 2007 Free Software Foundation, Inc. Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The GNU General Public License is a free, copyleft license for software and other kinds of works. The licenses for most software and other practical works are designed to take away your freedom to share and change the works. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change all versions of a program--to make sure it remains free software for all its users. We, the Free Software Foundation, use the GNU General Public License for most of our software; it applies also to any other work released this way by its authors. You can apply it to your programs, too. When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for them if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs, and that you know you can do these things. To protect your rights, we need to prevent others from denying you these rights or asking you to surrender the rights. Therefore, you have certain responsibilities if you distribute copies of the software, or if you modify it: responsibilities to respect the freedom of others. For example, if you distribute copies of such a program, whether gratis or for a fee, you must pass on to the recipients the same freedoms that you received. You must make sure that they, too, receive or can get the source code. And you must show them these terms so they know their rights. Developers that use the GNU GPL protect your rights with two steps: (1) assert copyright on the software, and (2) offer you this License giving you legal permission to copy, distribute and/or modify it. For the developers' and authors' protection, the GPL clearly explains that there is no warranty for this free software. For both users' and authors' sake, the GPL requires that modified versions be marked as changed, so that their problems will not be attributed erroneously to authors of previous versions. Some devices are designed to deny users access to install or run modified versions of the software inside them, although the manufacturer can do so. This is fundamentally incompatible with the aim of protecting users' freedom to change the software. The systematic pattern of such abuse occurs in the area of products for individuals to use, which is precisely where it is most unacceptable. Therefore, we have designed this version of the GPL to prohibit the practice for those products. If such problems arise substantially in other domains, we stand ready to extend this provision to those domains in future versions of the GPL, as needed to protect the freedom of users. Finally, every program is threatened constantly by software patents. States should not allow patents to restrict development and use of software on general-purpose computers, but in those that do, we wish to avoid the special danger that patents applied to a free program could make it effectively proprietary. To prevent this, the GPL assures that patents cannot be used to render the program non-free. The precise terms and conditions for copying, distribution and modification follow. TERMS AND CONDITIONS 0. Definitions. "This License" refers to version 3 of the GNU General Public License. "Copyright" also means copyright-like laws that apply to other kinds of works, such as semiconductor masks. "The Program" refers to any copyrightable work licensed under this License. Each licensee is addressed as "you". "Licensees" and "recipients" may be individuals or organizations. To "modify" a work means to copy from or adapt all or part of the work in a fashion requiring copyright permission, other than the making of an exact copy. The resulting work is called a "modified version" of the earlier work or a work "based on" the earlier work. A "covered work" means either the unmodified Program or a work based on the Program. To "propagate" a work means to do anything with it that, without permission, would make you directly or secondarily liable for infringement under applicable copyright law, except executing it on a computer or modifying a private copy. Propagation includes copying, distribution (with or without modification), making available to the public, and in some countries other activities as well. To "convey" a work means any kind of propagation that enables other parties to make or receive copies. Mere interaction with a user through a computer network, with no transfer of a copy, is not conveying. An interactive user interface displays "Appropriate Legal Notices" to the extent that it includes a convenient and prominently visible feature that (1) displays an appropriate copyright notice, and (2) tells the user that there is no warranty for the work (except to the extent that warranties are provided), that licensees may convey the work under this License, and how to view a copy of this License. If the interface presents a list of user commands or options, such as a menu, a prominent item in the list meets this criterion. 1. Source Code. The "source code" for a work means the preferred form of the work for making modifications to it. "Object code" means any non-source form of a work. A "Standard Interface" means an interface that either is an official standard defined by a recognized standards body, or, in the case of interfaces specified for a particular programming language, one that is widely used among developers working in that language. The "System Libraries" of an executable work include anything, other than the work as a whole, that (a) is included in the normal form of packaging a Major Component, but which is not part of that Major Component, and (b) serves only to enable use of the work with that Major Component, or to implement a Standard Interface for which an implementation is available to the public in source code form. A "Major Component", in this context, means a major essential component (kernel, window system, and so on) of the specific operating system (if any) on which the executable work runs, or a compiler used to produce the work, or an object code interpreter used to run it. The "Corresponding Source" for a work in object code form means all the source code needed to generate, install, and (for an executable work) run the object code and to modify the work, including scripts to control those activities. However, it does not include the work's System Libraries, or general-purpose tools or generally available free programs which are used unmodified in performing those activities but which are not part of the work. For example, Corresponding Source includes interface definition files associated with source files for the work, and the source code for shared libraries and dynamically linked subprograms that the work is specifically designed to require, such as by intimate data communication or control flow between those subprograms and other parts of the work. The Corresponding Source need not include anything that users can regenerate automatically from other parts of the Corresponding Source. The Corresponding Source for a work in source code form is that same work. 2. Basic Permissions. All rights granted under this License are granted for the term of copyright on the Program, and are irrevocable provided the stated conditions are met. This License explicitly affirms your unlimited permission to run the unmodified Program. The output from running a covered work is covered by this License only if the output, given its content, constitutes a covered work. This License acknowledges your rights of fair use or other equivalent, as provided by copyright law. You may make, run and propagate covered works that you do not convey, without conditions so long as your license otherwise remains in force. You may convey covered works to others for the sole purpose of having them make modifications exclusively for you, or provide you with facilities for running those works, provided that you comply with the terms of this License in conveying all material for which you do not control copyright. Those thus making or running the covered works for you must do so exclusively on your behalf, under your direction and control, on terms that prohibit them from making any copies of your copyrighted material outside their relationship with you. Conveying under any other circumstances is permitted solely under the conditions stated below. Sublicensing is not allowed; section 10 makes it unnecessary. 3. Protecting Users' Legal Rights From Anti-Circumvention Law. No covered work shall be deemed part of an effective technological measure under any applicable law fulfilling obligations under article 11 of the WIPO copyright treaty adopted on 20 December 1996, or similar laws prohibiting or restricting circumvention of such measures. When you convey a covered work, you waive any legal power to forbid circumvention of technological measures to the extent such circumvention is effected by exercising rights under this License with respect to the covered work, and you disclaim any intention to limit operation or modification of the work as a means of enforcing, against the work's users, your or third parties' legal rights to forbid circumvention of technological measures. 4. Conveying Verbatim Copies. You may convey verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice; keep intact all notices stating that this License and any non-permissive terms added in accord with section 7 apply to the code; keep intact all notices of the absence of any warranty; and give all recipients a copy of this License along with the Program. You may charge any price or no price for each copy that you convey, and you may offer support or warranty protection for a fee. 5. Conveying Modified Source Versions. You may convey a work based on the Program, or the modifications to produce it from the Program, in the form of source code under the terms of section 4, provided that you also meet all of these conditions: a) The work must carry prominent notices stating that you modified it, and giving a relevant date. b) The work must carry prominent notices stating that it is released under this License and any conditions added under section 7. This requirement modifies the requirement in section 4 to "keep intact all notices". c) You must license the entire work, as a whole, under this License to anyone who comes into possession of a copy. This License will therefore apply, along with any applicable section 7 additional terms, to the whole of the work, and all its parts, regardless of how they are packaged. This License gives no permission to license the work in any other way, but it does not invalidate such permission if you have separately received it. d) If the work has interactive user interfaces, each must display Appropriate Legal Notices; however, if the Program has interactive interfaces that do not display Appropriate Legal Notices, your work need not make them do so. A compilation of a covered work with other separate and independent works, which are not by their nature extensions of the covered work, and which are not combined with it such as to form a larger program, in or on a volume of a storage or distribution medium, is called an "aggregate" if the compilation and its resulting copyright are not used to limit the access or legal rights of the compilation's users beyond what the individual works permit. Inclusion of a covered work in an aggregate does not cause this License to apply to the other parts of the aggregate. 6. Conveying Non-Source Forms. You may convey a covered work in object code form under the terms of sections 4 and 5, provided that you also convey the machine-readable Corresponding Source under the terms of this License, in one of these ways: a) Convey the object code in, or embodied in, a physical product (including a physical distribution medium), accompanied by the Corresponding Source fixed on a durable physical medium customarily used for software interchange. b) Convey the object code in, or embodied in, a physical product (including a physical distribution medium), accompanied by a written offer, valid for at least three years and valid for as long as you offer spare parts or customer support for that product model, to give anyone who possesses the object code either (1) a copy of the Corresponding Source for all the software in the product that is covered by this License, on a durable physical medium customarily used for software interchange, for a price no more than your reasonable cost of physically performing this conveying of source, or (2) access to copy the Corresponding Source from a network server at no charge. c) Convey individual copies of the object code with a copy of the written offer to provide the Corresponding Source. This alternative is allowed only occasionally and noncommercially, and only if you received the object code with such an offer, in accord with subsection 6b. d) Convey the object code by offering access from a designated place (gratis or for a charge), and offer equivalent access to the Corresponding Source in the same way through the same place at no further charge. You need not require recipients to copy the Corresponding Source along with the object code. If the place to copy the object code is a network server, the Corresponding Source may be on a different server (operated by you or a third party) that supports equivalent copying facilities, provided you maintain clear directions next to the object code saying where to find the Corresponding Source. Regardless of what server hosts the Corresponding Source, you remain obligated to ensure that it is available for as long as needed to satisfy these requirements. e) Convey the object code using peer-to-peer transmission, provided you inform other peers where the object code and Corresponding Source of the work are being offered to the general public at no charge under subsection 6d. A separable portion of the object code, whose source code is excluded from the Corresponding Source as a System Library, need not be included in conveying the object code work. A "User Product" is either (1) a "consumer product", which means any tangible personal property which is normally used for personal, family, or household purposes, or (2) anything designed or sold for incorporation into a dwelling. In determining whether a product is a consumer product, doubtful cases shall be resolved in favor of coverage. For a particular product received by a particular user, "normally used" refers to a typical or common use of that class of product, regardless of the status of the particular user or of the way in which the particular user actually uses, or expects or is expected to use, the product. A product is a consumer product regardless of whether the product has substantial commercial, industrial or non-consumer uses, unless such uses represent the only significant mode of use of the product. "Installation Information" for a User Product means any methods, procedures, authorization keys, or other information required to install and execute modified versions of a covered work in that User Product from a modified version of its Corresponding Source. The information must suffice to ensure that the continued functioning of the modified object code is in no case prevented or interfered with solely because modification has been made. If you convey an object code work under this section in, or with, or specifically for use in, a User Product, and the conveying occurs as part of a transaction in which the right of possession and use of the User Product is transferred to the recipient in perpetuity or for a fixed term (regardless of how the transaction is characterized), the Corresponding Source conveyed under this section must be accompanied by the Installation Information. But this requirement does not apply if neither you nor any third party retains the ability to install modified object code on the User Product (for example, the work has been installed in ROM). The requirement to provide Installation Information does not include a requirement to continue to provide support service, warranty, or updates for a work that has been modified or installed by the recipient, or for the User Product in which it has been modified or installed. Access to a network may be denied when the modification itself materially and adversely affects the operation of the network or violates the rules and protocols for communication across the network. Corresponding Source conveyed, and Installation Information provided, in accord with this section must be in a format that is publicly documented (and with an implementation available to the public in source code form), and must require no special password or key for unpacking, reading or copying. 7. Additional Terms. "Additional permissions" are terms that supplement the terms of this License by making exceptions from one or more of its conditions. Additional permissions that are applicable to the entire Program shall be treated as though they were included in this License, to the extent that they are valid under applicable law. If additional permissions apply only to part of the Program, that part may be used separately under those permissions, but the entire Program remains governed by this License without regard to the additional permissions. When you convey a copy of a covered work, you may at your option remove any additional permissions from that copy, or from any part of it. (Additional permissions may be written to require their own removal in certain cases when you modify the work.) You may place additional permissions on material, added by you to a covered work, for which you have or can give appropriate copyright permission. Notwithstanding any other provision of this License, for material you add to a covered work, you may (if authorized by the copyright holders of that material) supplement the terms of this License with terms: a) Disclaiming warranty or limiting liability differently from the terms of sections 15 and 16 of this License; or b) Requiring preservation of specified reasonable legal notices or author attributions in that material or in the Appropriate Legal Notices displayed by works containing it; or c) Prohibiting misrepresentation of the origin of that material, or requiring that modified versions of such material be marked in reasonable ways as different from the original version; or d) Limiting the use for publicity purposes of names of licensors or authors of the material; or e) Declining to grant rights under trademark law for use of some trade names, trademarks, or service marks; or f) Requiring indemnification of licensors and authors of that material by anyone who conveys the material (or modified versions of it) with contractual assumptions of liability to the recipient, for any liability that these contractual assumptions directly impose on those licensors and authors. All other non-permissive additional terms are considered "further restrictions" within the meaning of section 10. If the Program as you received it, or any part of it, contains a notice stating that it is governed by this License along with a term that is a further restriction, you may remove that term. If a license document contains a further restriction but permits relicensing or conveying under this License, you may add to a covered work material governed by the terms of that license document, provided that the further restriction does not survive such relicensing or conveying. If you add terms to a covered work in accord with this section, you must place, in the relevant source files, a statement of the additional terms that apply to those files, or a notice indicating where to find the applicable terms. Additional terms, permissive or non-permissive, may be stated in the form of a separately written license, or stated as exceptions; the above requirements apply either way. 8. Termination. You may not propagate or modify a covered work except as expressly provided under this License. Any attempt otherwise to propagate or modify it is void, and will automatically terminate your rights under this License (including any patent licenses granted under the third paragraph of section 11). However, if you cease all violation of this License, then your license from a particular copyright holder is reinstated (a) provisionally, unless and until the copyright holder explicitly and finally terminates your license, and (b) permanently, if the copyright holder fails to notify you of the violation by some reasonable means prior to 60 days after the cessation. Moreover, your license from a particular copyright holder is reinstated permanently if the copyright holder notifies you of the violation by some reasonable means, this is the first time you have received notice of violation of this License (for any work) from that copyright holder, and you cure the violation prior to 30 days after your receipt of the notice. Termination of your rights under this section does not terminate the licenses of parties who have received copies or rights from you under this License. If your rights have been terminated and not permanently reinstated, you do not qualify to receive new licenses for the same material under section 10. 9. Acceptance Not Required for Having Copies. You are not required to accept this License in order to receive or run a copy of the Program. Ancillary propagation of a covered work occurring solely as a consequence of using peer-to-peer transmission to receive a copy likewise does not require acceptance. However, nothing other than this License grants you permission to propagate or modify any covered work. These actions infringe copyright if you do not accept this License. Therefore, by modifying or propagating a covered work, you indicate your acceptance of this License to do so. 10. Automatic Licensing of Downstream Recipients. Each time you convey a covered work, the recipient automatically receives a license from the original licensors, to run, modify and propagate that work, subject to this License. You are not responsible for enforcing compliance by third parties with this License. An "entity transaction" is a transaction transferring control of an organization, or substantially all assets of one, or subdividing an organization, or merging organizations. If propagation of a covered work results from an entity transaction, each party to that transaction who receives a copy of the work also receives whatever licenses to the work the party's predecessor in interest had or could give under the previous paragraph, plus a right to possession of the Corresponding Source of the work from the predecessor in interest, if the predecessor has it or can get it with reasonable efforts. You may not impose any further restrictions on the exercise of the rights granted or affirmed under this License. For example, you may not impose a license fee, royalty, or other charge for exercise of rights granted under this License, and you may not initiate litigation (including a cross-claim or counterclaim in a lawsuit) alleging that any patent claim is infringed by making, using, selling, offering for sale, or importing the Program or any portion of it. 11. Patents. A "contributor" is a copyright holder who authorizes use under this License of the Program or a work on which the Program is based. The work thus licensed is called the contributor's "contributor version". A contributor's "essential patent claims" are all patent claims owned or controlled by the contributor, whether already acquired or hereafter acquired, that would be infringed by some manner, permitted by this License, of making, using, or selling its contributor version, but do not include claims that would be infringed only as a consequence of further modification of the contributor version. For purposes of this definition, "control" includes the right to grant patent sublicenses in a manner consistent with the requirements of this License. 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Copyright (C) This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . Also add information on how to contact you by electronic and paper mail. If the program does terminal interaction, make it output a short notice like this when it starts in an interactive mode: Copyright (C) This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, your program's commands might be different; for a GUI interface, you would use an "about box". You should also get your employer (if you work as a programmer) or school, if any, to sign a "copyright disclaimer" for the program, if necessary. For more information on this, and how to apply and follow the GNU GPL, see . The GNU General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. But first, please read . sndfile-tools-1.5/ChangeLog000066400000000000000000000107271400553006000157130ustar00rootroot000000000000002012-09-06 Erik de Castro Lopo * src/resample.c Fix valgrind warning. * Makefile.am tests/valgrind-test.sh Add a valgrind test for some of the executables. 2012-09-04 Erik de Castro Lopo * configure.ac Remove un-needed AC_LANG_SOURCE statement. Thanks to Robin Gareus. 2012-07-24 Erik de Castro Lopo * src/common.c Fix minor bug in sfx_mix_mono_read_double(). Patch from Martin Guy. Thanks. 2012-02-25 Erik de Castro Lopo * M4/extra_pkg.m4 Update PKG_CHECK_MOD_VERSION macro to add an AC_TRY_LINK step. This fix allows the configure process to catch attempts to link incompatible libraries. For example, linking 32 bit version of eg libFLAC to a 64 bit version of sndfile-tools will now fail at the configure stage. 2011-01-14 Robin Gareus * src/waveform.c added sndfile-waveform, a waveform image generator 2011-01-13 Erik de Castro Lopo * src/jackplay.c Improve reporting of loop count. 2011-01-12 Erik de Castro Lopo * src/*.[ch] Update copyright years. * src/jackplay.c Add ability to play a file in a loop. * man/sndfile-jackplay.1 Update with new options. 2011-01-11 Erik de Castro Lopo * configure.ac Add AM_SILENT_RULES and other tweaks. * src/common.c Fix bug in sfx_mix_mono_read_double() where a bunch of crap got appended to the end of the mixed down file. Thanks to Tom Szilagyi for the bug report. Remove cruft. 2010-04-07 Erik de Castro Lopo * src/jackplay.c Use jack_client_open() instead of deprecated jack_client_new(). * man/sndfile-spectrogram.1 Fix two typos reported by Igor Murzov. 2010-02-22 Erik de Castro Lopo * configure.ac Detect presence of libsamplerate. * src/resample.c Makefile.am Add file originally from the libsamplerate source distribution and hook into build. 2009-12-21 Erik de Castro Lopo * src/*c Remove 'sndfile-' parts of file names. * src/jackplay.c Reorder JACK initialisation calls to remove click at start of playback. 2009-12-14 Erik de Castro Lopo * configure.ac Don't test for a fortran compiler. * man/sndfile-generate-chirp.1 man/sndfile-mix-to-mono.1 man/sndfile-spectrogram.1 New man pages. * Makefile.am Hook new man pages into build. * NEWS doc/index.html Update for 1.03 release. 2009-12-07 Erik de Castro Lopo * M4/*.m4 configure.ac Rename custom M4 macros to MN_*. * man/sndfile-jackplay.1 Makefile.am Add man page for sndfile-jackplay. * doc/index.html Add sndfile-jackplay. 2009-12-04 Erik de Castro Lopo * src/sndfile-merge.c Remove this (moved to libsndfile source distribution). * src/sndfile-jackplay.c Add file originally from the libsndfile source distribution. * M4/extra_pkg.m4 configure.ac Add M4 macro for using in configure.ac to find the JACK library. * Makefile.am Fix build after previous changes. 2009-11-28 Erik de Castro Lopo * src/sndfile-spectrogram.c Improve the way the spectrogram is interpolated. 2009-11-26 Erik de Castro Lopo * src/sndfile-spectrogram.c Initialize colour to black so it writes black instead of random values from the stack. Add a --dyn-range=XXX command line option to set spectrogram dynamic range. Add --no-border command line option to disable rendering of border, scales, heat map and title. * src/sndfile-merge.c New program contributed by Jonatan Liljedahl that takes two mono files and merges them into a stereo file. 2009-03-02 Erik de Castro Lopo * src/window.c Add bounds check before array access. 2007-10-21 Erik de Castro Lopo * src/sndfile-spectrogram.c Calculate longer FFTs and then interpolate to the image height. * src/kaiser_window_test.c Test a longer window length. * doc/* Add rudimentary documentation. * configure.ac src/common.c Detect presence of sf_get_info() and SFC_GET_CURRENT_SF_INFO. sndfile-tools-1.5/INSTALL000066400000000000000000000224321400553006000151660ustar00rootroot00000000000000Installation Instructions ************************* Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2004, 2005 Free Software Foundation, Inc. This file is free documentation; the Free Software Foundation gives unlimited permission to copy, distribute and modify it. Basic Installation ================== These are generic installation instructions. The `configure' shell script attempts to guess correct values for various system-dependent variables used during compilation. It uses those values to create a `Makefile' in each directory of the package. It may also create one or more `.h' files containing system-dependent definitions. Finally, it creates a shell script `config.status' that you can run in the future to recreate the current configuration, and a file `config.log' containing compiler output (useful mainly for debugging `configure'). It can also use an optional file (typically called `config.cache' and enabled with `--cache-file=config.cache' or simply `-C') that saves the results of its tests to speed up reconfiguring. (Caching is disabled by default to prevent problems with accidental use of stale cache files.) If you need to do unusual things to compile the package, please try to figure out how `configure' could check whether to do them, and mail diffs or instructions to the address given in the `README' so they can be considered for the next release. If you are using the cache, and at some point `config.cache' contains results you don't want to keep, you may remove or edit it. The file `configure.ac' (or `configure.in') is used to create `configure' by a program called `autoconf'. You only need `configure.ac' if you want to change it or regenerate `configure' using a newer version of `autoconf'. The simplest way to compile this package is: 1. `cd' to the directory containing the package's source code and type `./configure' to configure the package for your system. If you're using `csh' on an old version of System V, you might need to type `sh ./configure' instead to prevent `csh' from trying to execute `configure' itself. Running `configure' takes awhile. While running, it prints some messages telling which features it is checking for. 2. Type `make' to compile the package. 3. Optionally, type `make check' to run any self-tests that come with the package. 4. Type `make install' to install the programs and any data files and documentation. 5. You can remove the program binaries and object files from the source code directory by typing `make clean'. To also remove the files that `configure' created (so you can compile the package for a different kind of computer), type `make distclean'. There is also a `make maintainer-clean' target, but that is intended mainly for the package's developers. If you use it, you may have to get all sorts of other programs in order to regenerate files that came with the distribution. Compilers and Options ===================== Some systems require unusual options for compilation or linking that the `configure' script does not know about. Run `./configure --help' for details on some of the pertinent environment variables. You can give `configure' initial values for configuration parameters by setting variables in the command line or in the environment. Here is an example: ./configure CC=c89 CFLAGS=-O2 LIBS=-lposix *Note Defining Variables::, for more details. Compiling For Multiple Architectures ==================================== You can compile the package for more than one kind of computer at the same time, by placing the object files for each architecture in their own directory. To do this, you must use a version of `make' that supports the `VPATH' variable, such as GNU `make'. `cd' to the directory where you want the object files and executables to go and run the `configure' script. `configure' automatically checks for the source code in the directory that `configure' is in and in `..'. If you have to use a `make' that does not support the `VPATH' variable, you have to compile the package for one architecture at a time in the source code directory. After you have installed the package for one architecture, use `make distclean' before reconfiguring for another architecture. Installation Names ================== By default, `make install' installs the package's commands under `/usr/local/bin', include files under `/usr/local/include', etc. You can specify an installation prefix other than `/usr/local' by giving `configure' the option `--prefix=PREFIX'. You can specify separate installation prefixes for architecture-specific files and architecture-independent files. If you pass the option `--exec-prefix=PREFIX' to `configure', the package uses PREFIX as the prefix for installing programs and libraries. Documentation and other data files still use the regular prefix. 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Defining Variables ================== Variables not defined in a site shell script can be set in the environment passed to `configure'. However, some packages may run configure again during the build, and the customized values of these variables may be lost. In order to avoid this problem, you should set them in the `configure' command line, using `VAR=value'. For example: ./configure CC=/usr/local2/bin/gcc causes the specified `gcc' to be used as the C compiler (unless it is overridden in the site shell script). Here is a another example: /bin/bash ./configure CONFIG_SHELL=/bin/bash Here the `CONFIG_SHELL=/bin/bash' operand causes subsequent configuration-related scripts to be executed by `/bin/bash'. `configure' Invocation ====================== `configure' recognizes the following options to control how it operates. `--help' `-h' Print a summary of the options to `configure', and exit. `--version' `-V' Print the version of Autoconf used to generate the `configure' script, and exit. `--cache-file=FILE' Enable the cache: use and save the results of the tests in FILE, traditionally `config.cache'. FILE defaults to `/dev/null' to disable caching. `--config-cache' `-C' Alias for `--cache-file=config.cache'. `--quiet' `--silent' `-q' Do not print messages saying which checks are being made. To suppress all normal output, redirect it to `/dev/null' (any error messages will still be shown). `--srcdir=DIR' Look for the package's source code in directory DIR. Usually `configure' can determine that directory automatically. `configure' also accepts some other, not widely useful, options. Run `configure --help' for more details. sndfile-tools-1.5/Makefile.am000066400000000000000000000051261400553006000161720ustar00rootroot00000000000000EXTRA_DIST = \ README.md \ Scripts/calc-hilbert-fir.m dist_html_DATA = \ doc/index.html \ doc/sweep.png \ doc/wave-example.png \ doc/wave-sweep.png \ doc/libsndfile.css bin_PROGRAMS = \ bin/sndfile-generate-chirp \ bin/sndfile-spectrogram \ bin/sndfile-mix-to-mono \ bin/sndfile-resample \ bin/sndfile-waveform CLEANFILES = src/*~ dist_man_MANS = \ man/sndfile-generate-chirp.1 \ man/sndfile-spectrogram.1 \ man/sndfile-mix-to-mono.1 \ man/sndfile-jackplay.1 \ man/sndfile-resample.1 #========================================================================================= # The bin targets. bin_sndfile_generate_chirp_SOURCES = \ src/common.c \ src/common.h \ src/generate-chirp.c bin_sndfile_generate_chirp_CFLAGS = $(SNDFILE_CFLAGS) bin_sndfile_generate_chirp_LDADD = $(SNDFILE_LIBS) bin_sndfile_spectrogram_SOURCES = \ src/common.c \ src/common.h \ src/spectrogram.c \ src/spectrum.c \ src/spectrum.h \ src/window.c \ src/window.h bin_sndfile_spectrogram_CFLAGS = $(SNDFILE_CFLAGS) $(FFTW3_CFLAGS) $(CAIRO_CFLAGS) bin_sndfile_spectrogram_LDADD = $(SNDFILE_LIBS) $(FFTW3_LIBS) $(CAIRO_LIBS) bin_sndfile_mix_to_mono_SOURCES = \ src/common.c \ src/common.h \ src/mix-to-mono.c bin_sndfile_mix_to_mono_CFLAGS = $(SNDFILE_CFLAGS) bin_sndfile_mix_to_mono_LDADD = $(SNDFILE_LIBS) bin_sndfile_waveform_SOURCES = \ src/common.c \ src/common.h \ src/waveform.c bin_sndfile_waveform_CFLAGS = $(SNDFILE_CFLAGS) $(CAIRO_CFLAGS) bin_sndfile_waveform_LDADD = $(SNDFILE_LIBS) $(CAIRO_LIBS) bin_sndfile_resample_SOURCES = \ src/common.c \ src/common.h \ src/resample.c bin_sndfile_resample_CFLAGS = $(SNDFILE_CFLAGS) $(SAMPLERATE_CFLAGS) bin_sndfile_resample_LDADD = $(SNDFILE_LIBS) $(SAMPLERATE_LIBS) if HAVE_JACK bin_PROGRAMS += bin/sndfile-jackplay bin_sndfile_jackplay_SOURCES = src/jackplay.c bin_sndfile_jackplay_CFLAGS = $(SNDFILE_CFLAGS) $(JACK_CFLAGS) bin_sndfile_jackplay_LDADD = $(SNDFILE_LIBS) $(JACK_LIBS) endif #========================================================================================= # The make check targets. # Test programs or programs not yet working. check_PROGRAMS = \ tests/common_tests \ tests/kaiser_window_test tests_kaiser_window_test_SOURCES = \ src/window.c \ src/window.h \ tests/kaiser_window_test.c tests_common_tests_SOURCES = \ src/common.c \ src/common.h \ tests/common_tests.c tests_common_tests_CFLAGS = $(SNDFILE_CFLAGS) tests_common_tests_LDADD = $(SNDFILE_LIBS) EXTRA_DIST += tests/test-wrapper.sh TESTS = \ $(check_PROGRAMS) \ tests/test-wrapper.sh # The 'dist-clean' target on Mac OSX fails without this. clean-local: rm -rf bin/*.dSYM sndfile-tools-1.5/NEWS000066400000000000000000000014441400553006000146340ustar00rootroot00000000000000Version 1.5 (2021-01-31) * Use clear semantic versioning tuple. * Fix spelling mistakes. * Add experimental CMake support. * Replace Travis CI with GitHub Action CI. * Improved error handling for PCM sample bits. * Add `sndfile-resample` binary from libsamplerate. Version 1.04 (2019-06-01) * Silence GCC 7 -Wimplicit-fallthrough warnings. * Modernized Autotools build system. Version 1.03 (2009-12-14) * Add prgram sndfile-jackplay. * sndfile-spectrogram : Add --no-border option, improve frequency access interpolation. Version 1.02 (2007-10-21) * sndfile-spectrogram : Calculate longer FFTs and then interpolate to the image height. * Add documentation. Version 1.01 (2007-10-16) * Depend on libsndfile >= 1.0.18. Version 1.00 (2007-10-15) * Initial release. sndfile-tools-1.5/README000066400000000000000000000001711400553006000150110ustar00rootroot00000000000000This is sndfile-tools version 1.5. See the web page for more: http://libsndfile.github.io/libsndfile/sndfile-tools sndfile-tools-1.5/README.md000066400000000000000000000004421400553006000154110ustar00rootroot00000000000000sndfile-tools ------------- ![build](https://github.com/libsndfile/sndfile-tools/workflows/C/C++%20CI/badge.svg) `sndfile-tools` is a collection of programs (written in C) to do interesting things with sound files. See the web page for more: sndfile-tools-1.5/Scripts/000077500000000000000000000000001400553006000155615ustar00rootroot00000000000000sndfile-tools-1.5/Scripts/calc-hilbert-fir.m000066400000000000000000000056231400553006000210540ustar00rootroot00000000000000# For all the gory details, I suggest the paper: # # Andrew Reilly and Gordon Frazer and Boualem Boashash: # Analytic signal generation---tips and traps, # IEEE Transactions on Signal Processing, # no. 11, vol. 42, Nov. 1994, pp. 3241-3245. # # For comp.dsp, the gist is: # # 1. Design a half-bandwidth real low-pass FIR filter using whatever optimal method # you choose, with the principle design criterion being minimization of the # maximum attenuation in the band f_s/4 to f_s/2. # # 2. Modulate this by exp(2 pi f_s/4 t), so that now your stop-band is the negative # frequencies, the pass-band is the positive frequencies, and the roll-off at # each end does not extend into the negative frequency band. # # 3. either use it as a complex FIR filter, or a pair of I/Q real filters in # whatever FIR implementation you have available. # # If your original filter design produced an impulse response with an even number # of taps, then the filtering in 3 will introduce a spurious half-sample delay # (resampling the real signal component), but that does not matter for many # applications, and such filters have other features to recommend them. # # Andrew Reilly [Reilly@zeta.org.au] # Don't make the filter a full half bandwidth filter. # We need the bandwidth to extend well down towards DC, but we don't really # need the bandwidht to extend all the way up to fs/2. # # Therefore build a filter that is slightly less than half band and modulate # into place with a special factor. nargin ; if nargin >= 1, arg_list = argv () ; file = fopen (arg_list {1}, "w") ; else file = stdout ; endif b = remez (255, [0 0.356 0.4 1], [1, 1, 0, 0]) ; len = length (b) ; if rem (len , 2) !+ 0 error ("Filter length should be even.") ; endif half_len = len / 2 ; # Normally, when using something like a half band filter, the factor would be # 0.5. We choose something less, so the low frequency transition band # straddles zero frquency. factor = 0.386 ; modulator = exp (factor * pi * i * linspace (-(len-1)/2, (len-1)/2, len)) ; # plot (real (modulator)) ; pause ; exit (0) ; bc = 2 * (b' .* modulator) ; # plot (1:len, real (bc), 1:len, imag (bc)) ; pause ; exit (0) ; magspec = abs (fft ([bc zeros(1,1000-length(b))])) ; # plot (real (magspec)) ; pause ; exit (0) ; bchalf = bc (1:half_len) ; error = abs (bchalf - conj (fliplr (bc (half_len+1:len)))) ; if error > 1e-10, # plot (error) ; pause ; exit (0) ; fprintf (stderr, "Error : %f\n", max (error)) ; exit (1) ; endif fprintf (file, "#define FIR_HILBERT_HALF_LEN %d\n\n", half_len) ; fprintf (file, "static complex_t half_hilbert_coeffs [FIR_HILBERT_HALF_LEN] =\n{") ; for coeff = fliplr (bchalf) fprintf (file, "\t{\t%22.18f, %22.18f },\n", real (coeff), imag (coeff)) ; endfor fprintf (file, "} ; \n") ; if file != stdout, fclose (file) ; endif # fprintf (stderr, "\nPress any key to exit.\n") ; # plot (20 * log10 (magspec)) ; grid ; pause sndfile-tools-1.5/Scripts/cstyle.py000077500000000000000000000170351400553006000174470ustar00rootroot00000000000000#!/usr/bin/python -tt # # Copyright (C) 2005-2012 Erik de Castro Lopo # # Released under the 2 clause BSD license. """ This program checks C code for compliance to coding standards used in libsndfile and other projects I run. """ import re import sys class Preprocessor: """ Preprocess lines of C code to make it easier for the CStyleChecker class to test for correctness. Preprocessing works on a single line at a time but maintains state between consecutive lines so it can preprocessess multi-line comments. Preprocessing involves: - Strip C++ style comments from a line. - Strip C comments from a series of lines. When a C comment starts and ends on the same line it will be replaced with 'comment'. - Replace arbitrary C strings with the zero length string. - Replace '#define f(x)' with '#define f (c)' (The C #define requires that there be no space between defined macro name and the open paren of the argument list). Used by the CStyleChecker class. """ def __init__ (self): self.comment_nest = 0 self.leading_space_re = re.compile ('^(\t+| )') self.trailing_space_re = re.compile ('(\t+| )$') self.define_hack_re = re.compile ("(#\s*define\s+[a-zA-Z0-9_]+)\(") def comment_nesting (self): """ Return the currect comment nesting. At the start and end of the file, this value should be zero. Inside C comments it should be 1 or (possibly) more. """ return self.comment_nest def __call__ (self, line): """ Strip the provided line of C and C++ comments. Stripping of multi-line C comments works as expected. """ line = self.define_hack_re.sub (r'\1 (', line) line = self.process_strings (line) # Strip C++ style comments. if self.comment_nest == 0: line = re.sub ("( |\t*)//.*", '', line) # Strip C style comments. open_comment = line.find ('/*') close_comment = line.find ('*/') if self.comment_nest > 0 and close_comment < 0: # Inside a comment block that does not close on this line. return "" if open_comment >= 0 and close_comment < 0: # A comment begins on this line but doesn't close on this line. self.comment_nest += 1 return self.trailing_space_re.sub ('', line [:open_comment]) if open_comment < 0 and close_comment >= 0: # Currently open comment ends on this line. self.comment_nest -= 1 return self.trailing_space_re.sub ('', line [close_comment + 2:]) if open_comment >= 0 and close_comment > 0 and self.comment_nest == 0: # Comment begins and ends on this line. Replace it with 'comment' # so we don't need to check whitespace before and after the comment # we're removing. newline = line [:open_comment] + "comment" + line [close_comment + 2:] return self.__call__ (newline) return line def process_strings (self, line): """ Given a line of C code, return a string where all literal C strings have been replaced with the empty string literal "". """ for k in range (0, len (line)): if line [k] == '"': start = k for k in range (start + 1, len (line)): if line [k] == '"' and line [k - 1] != '\\': return line [:start + 1] + '"' + self.process_strings (line [k + 1:]) return line class CStyleChecker: """ A class for checking the whitespace and layout of a C code. """ def __init__ (self, debug): self.debug = debug self.filename = None self.error_count = 0 self.line_num = 1 self.orig_line = '' self.trailing_newline_re = re.compile ('[\r\n]+$') self.indent_re = re.compile ("^\s*") self.last_line_indent = "" self.last_line_indent_curly = False self.re_checks = \ [ ( re.compile (" "), "multiple space instead of tab" ) , ( re.compile ("\t "), "space after tab" ) , ( re.compile ("[^ ];"), "missing space before semi-colon" ) , ( re.compile ("{[^\s]"), "missing space after open brace" ) , ( re.compile ("[^\s]}"), "missing space before close brace" ) , ( re.compile ("[ \t]+$"), "contains trailing whitespace" ) , ( re.compile (",[^\s\n]"), "missing space after comma" ) , ( re.compile (";[a-zA-Z0-9]"), "missing space after semi-colon" ) , ( re.compile ("=[^\s\"'=]"), "missing space after assignment" ) # Open and close parenthesis. , ( re.compile ("[^\s\(\[\*&']\("), "missing space before open parenthesis" ) , ( re.compile ("\)(-[^>]|[^,'\s\n\)\]-])"), "missing space after close parenthesis" ) , ( re.compile ("\s(do|for|if|when)\s.*{$"), "trailing open parenthesis at end of line" ) , ( re.compile ("\( [^;]"), "space after open parenthesis" ) , ( re.compile ("[^;] \)"), "space before close parenthesis" ) # Open and close square brace. , ( re.compile ("[^\s\(\]]\["), "missing space before open square brace" ) , ( re.compile ("\][^,\)\]\[\s\.-]"), "missing space after close square brace" ) , ( re.compile ("\[ "), "space after open square brace" ) , ( re.compile (" \]"), "space before close square brace" ) # Space around operators. , ( re.compile ("[^\s][\*/%+-][=][^\s]"), "missing space around opassign" ) , ( re.compile ("[^\s][<>!=^/][=]{1,2}[^\s]"), "missing space around comparison" ) # Parens around single argument to return. , ( re.compile ("\s+return\s+\([a-zA-Z0-9_]+\)\s+;"), "parens around return value" ) ] def get_error_count (self): """ Return the current error count for this CStyleChecker object. """ return self.error_count def check_files (self, files): """ Run the style checker on all the specified files. """ for filename in files: self.check_file (filename) def check_file (self, filename): """ Run the style checker on the specified file. """ self.filename = filename try: cfile = open (filename, "r") except IOError as e: return self.line_num = 1 preprocess = Preprocessor () while 1: line = cfile.readline () if not line: break line = self.trailing_newline_re.sub ('', line) self.orig_line = line self.line_checks (preprocess (line)) self.line_num += 1 cfile.close () self.filename = None # Check for errors finding comments. if preprocess.comment_nesting () != 0: print ("Weird, comments nested incorrectly.") sys.exit (1) return def line_checks (self, line): """ Run the style checker on provided line of text, but within the context of how the line fits within the file. """ indent = len (self.indent_re.search (line).group ()) if re.search ("^\s+}", line): if not self.last_line_indent_curly and indent != self.last_line_indent: None # self.error ("bad indent on close curly brace") self.last_line_indent_curly = True else: self.last_line_indent_curly = False # Now all the regex checks. for (check_re, msg) in self.re_checks: if check_re.search (line): self.error (msg) if re.search ("[a-zA-Z0-9][<>!=^/&\|]{1,2}[a-zA-Z0-9]", line): if not re.search (".*#include.*[a-zA-Z0-9]/[a-zA-Z]", line): self.error ("missing space around operator") self.last_line_indent = indent return def error (self, msg): """ Print an error message and increment the error count. """ print ("%s (%d) : %s" % (self.filename, self.line_num, msg)) if self.debug: print ("'" + self.orig_line + "'") self.error_count += 1 #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- if len (sys.argv) < 1: print ("Usage : yada yada") sys.exit (1) # Create a new CStyleChecker object if sys.argv [1] == '-d' or sys.argv [1] == '--debug': cstyle = CStyleChecker (True) cstyle.check_files (sys.argv [2:]) else: cstyle = CStyleChecker (False) cstyle.check_files (sys.argv [1:]) if cstyle.get_error_count (): sys.exit (1) sys.exit (0) sndfile-tools-1.5/Scripts/git-pre-commit-hook000077500000000000000000000040031400553006000212770ustar00rootroot00000000000000#!/bin/sh # if git rev-parse --verify HEAD >/dev/null 2>&1 ; then against=HEAD else # Initial commit: diff against an empty tree object against=4b825dc642cb6eb9a060e54bf8d69288fbee4904 fi files=`git diff-index --name-only --cached $against` # Redirect output to stderr. exec 1>&2 #------------------------------------------------------------------------------- # Check the copyright notice of all files to be commited. user=`git config --global user.email` year=`date +"%Y"` missing_copyright_year="" for f in $files ; do if test ! -f $f ; then # If file does not exist, it was probably part of a rename or something. echo > /dev/null elif test `head -5 $f | grep -c -i copyright` -gt 0 ; then user_copyright=`grep -i copyright $f | grep $user | grep -c $year` if test $user_copyright -lt 1 ; then missing_copyright_year="$missing_copyright_year $f" fi fi done if test -n "$missing_copyright_year" ; then echo "Missing current year in the copyright notice of the following files:" for f in $missing_copyright_year ; do echo " $f" done echo "Commit aborted." exit 1 fi #------------------------------------------------------------------------------- # Check the formatting of all C files. cfiles="" for f in $files ; do if test `echo $f | grep -c "\.[ch]$"` -gt 0 ; then cfiles="$cfiles $f" fi done if test -n "$cfiles" ; then Scripts/cstyle.py $cfiles if test $? -ne 0 ; then echo echo "Commit aborted. Fix the above error before trying again." exit 1 fi fi #------------------------------------------------------------------------------- # Prevent files with non-ascii filenames from being committed. if test $(git diff --cached --name-only --diff-filter=A -z $against | LC_ALL=C tr -d '[ -~]\0' | wc -c) != 0 ; then echo "Error: Attempt to add a non-ascii file name." echo echo "This can cause problems if you want to work" echo "with people on other platforms." echo echo "To be portable it is advisable to rename the file ..." echo echo "Commit aborted." exit 1 fi exit 0 sndfile-tools-1.5/Scripts/localinstall.py000077500000000000000000000066571400553006000206350ustar00rootroot00000000000000#!/usr/bin/python import os, re, string, sys, time # AC_INIT(libsndfile,1.1.0pre1,) def find_configure_version (filename): file = open (filename) while 1: line = file.readline () if re.search ("AC_INIT\(", line): line = re.sub ("AC_INIT\(", "", line) x = re.sub ("\).*\n", "", line) package, version, rubbish = string.split (x, ",", 3) package = re.sub ("[\[\]]", "", package) version = re.sub ("[\[\]]", "", version) break file.close () # version = re.escape (version) return package, version def find_header_version (filename): file = open (filename) while 1: line = file.readline () if not line: print "Error : could not find version in :", filename sys.exit (1) if re.search ("#define[ \t]+VERSION", line): version = re.sub ("[#a-zA-Z \t]+\"", "", line) version = re.sub ("\".*\n", "", version) break file.close () # version = re.escape (version) return version def html_find_configure_version (data): if os.path.isfile (data): file = open (data, "r") data = file.read () file.close () version = re.search ("", data) version = re.search ("sndfile-tools-[^\"]+\"", version.group (0)) version = re.sub ("(sndfile-tools-|\")", "", version.group (0)) return version def html_fix_version (filename, new_version): file = open (filename, "r") data = file.read () file.close () temp_filename = "%s.%d" % (filename, int (time.time ())) os.rename (filename, temp_filename) html_version = html_find_configure_version (data) try: if html_version != new_version: print "Updating html file version number." data = re.sub (re.escape ("-%s" % html_version), "-%s" % new_version, data) file = open (filename, "w") file.write (data) file.close () os.unlink (temp_filename) else: os.rename (temp_filename, filename) except: print "Html file update failed." os.rename (temp_filename, filename) sys.exit (1) #print html_find_configure_version ("doc/index.html") # #sys.exit (0) #========================================================================= # Main program. conf_package, conf_version = find_configure_version ("configure.ac") header_version = find_header_version ("src/config.h") if conf_version != header_version: print "Configure/header version mismatch!", conf_version, header_version sys.exit (0) # os.system ("mgdiff Win32/sndfile.h src/sndfile.h") os.system ("nedit AUTHORS NEWS README ChangeLog") os.system ("nedit doc/*.html") # Generate the filenames from the versions. tar_gz_file = "%s-%s.tar.gz" % (conf_package, conf_version) if not os.path.isfile (tar_gz_file): print "No tarball. Exiting!" sys.exit (1) #if not os.path.isfile (tar_gz_file + ".asc"): # print "No GPG signature for tarball. Exiting!" # print "gpg -a -detach-sign file" # sys.exit (1) # Edit the html files :-) html_fix_version ("doc/index.html", conf_version) if not os.path.isfile ("doc/index.html"): print "\n\n************* No doc/index.html ****************\n" sys.exit (1) if len(sys.argv) == 2 and sys.argv [1] == "--copy": print "**************** Copying to Web Directory. ****************" ; dest = "/home/erikd/HTML/Mega-Nerd/libsndfile/tools/" os.system ("cp -f AUTHORS NEWS README ChangeLog " + dest) os.system (("cp -f doc/*.html doc/*.png %s " + dest) % (tar_gz_file)) os.system ("chmod a+r /home/erikd/HTML/Mega-Nerd/libsndfile/tools/*") sys.exit (0) else: print "Not copying." sndfile-tools-1.5/autogen.sh000077500000000000000000000105021400553006000161310ustar00rootroot00000000000000#!/bin/sh # Run this to set up the build system: configure, makefiles, etc. # (based on the version in enlightenment's cvs) package="sndfile-tools" olddir=`pwd` srcdir=`dirname $0` test -z "$srcdir" && srcdir=. cd "$srcdir" DIE=0 echo -n "checking for autoconf... " result="yes" (autoconf --version) < /dev/null > /dev/null 2>&1 || { echo echo "You must have autoconf installed to compile $package." echo "Download the appropriate package for your distribution," echo "or get the source tarball at ftp://ftp.gnu.org/pub/gnu/" result="no" DIE=1 } echo $result VERSIONGREP="sed -e s/.*[^0-9\.]\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/" VERSIONMKMAJ="sed -e s/\([0-9][0-9]*\)[^0-9].*/\\1/" VERSIONMKMIN="sed -e s/.*[0-9][0-9]*\.//" # do we need automake? if test -r Makefile.am; then AM_OPTIONS=`fgrep AUTOMAKE_OPTIONS Makefile.am` AM_NEEDED=`echo $AM_OPTIONS | $VERSIONGREP` if test x"$AM_NEEDED" = "x$AM_OPTIONS"; then AM_NEEDED="" fi if test -z $AM_NEEDED; then echo -n "checking for automake... " AUTOMAKE=automake ACLOCAL=aclocal if ($AUTOMAKE --version < /dev/null > /dev/null 2>&1); then echo "yes" else echo "no" AUTOMAKE= fi else echo -n "checking for automake $AM_NEEDED or later... " majneeded=`echo $AM_NEEDED | $VERSIONMKMAJ` minneeded=`echo $AM_NEEDED | $VERSIONMKMIN` for am in automake-$AM_NEEDED automake$AM_NEEDED \ automake automake-1.7 automake-1.8 automake-1.9 automake-1.10; do ($am --version < /dev/null > /dev/null 2>&1) || continue ver=`$am --version < /dev/null | head -n 1 | $VERSIONGREP` maj=`echo $ver | $VERSIONMKMAJ` min=`echo $ver | $VERSIONMKMIN` if test $maj -eq $majneeded -a $min -ge $minneeded; then AUTOMAKE=$am echo $AUTOMAKE break fi done test -z $AUTOMAKE && echo "no" echo -n "checking for aclocal $AM_NEEDED or later... " for ac in aclocal-$AM_NEEDED aclocal$AM_NEEDED \ aclocal aclocal-1.7 aclocal-1.8 aclocal-1.9 aclocal-1.10; do ($ac --version < /dev/null > /dev/null 2>&1) || continue ver=`$ac --version < /dev/null | head -n 1 | $VERSIONGREP` maj=`echo $ver | $VERSIONMKMAJ` min=`echo $ver | $VERSIONMKMIN` if test $maj -eq $majneeded -a $min -ge $minneeded; then ACLOCAL=$ac echo $ACLOCAL break fi done test -z $ACLOCAL && echo "no" fi test -z $AUTOMAKE || test -z $ACLOCAL && { echo echo "You must have automake installed to compile $package." echo "Download the appropriate package for your distribution," echo "or get the source tarball at ftp://ftp.gnu.org/pub/gnu/" exit 1 } fi echo -n "checking for libtool... " for LIBTOOLIZE in libtoolize glibtoolize nope; do ($LIBTOOLIZE --version) < /dev/null > /dev/null 2>&1 && break done if test x$LIBTOOLIZE = xnope; then echo "nope." LIBTOOLIZE=libtoolize else echo $LIBTOOLIZE fi ($LIBTOOLIZE --version) < /dev/null > /dev/null 2>&1 || { echo echo "You must have libtool installed to compile $package." echo "Download the appropriate package for your system," echo "or get the source from one of the GNU ftp sites" echo "listed in http://www.gnu.org/order/ftp.html" DIE=1 } echo -n "checking for pkg-config ... " result="yes" (pkg-config --version) < /dev/null > /dev/null 2>&1 || { echo echo "You must have pkg-config installed to compile $package." echo "Download the appropriate package for your distribution." result="no" DIE=1 } echo $result if test "$DIE" -eq 1; then exit 1 fi if test ! -d build-aux ; then echo "Creating 'build-aux' directory." mkdir build-aux fi echo "Generating configuration files for $package, please wait ... " echo " $ACLOCAL $ACLOCAL_FLAGS" $ACLOCAL $ACLOCAL_FLAGS || exit 1 echo " $LIBTOOLIZE --automake --force" $LIBTOOLIZE --automake --force || exit 1 echo " autoheader" autoheader || exit 1 echo " $AUTOMAKE --add-missing $AUTOMAKE_FLAGS" $AUTOMAKE --copy --add-missing $AUTOMAKE_FLAGS || exit 1 echo " autoconf" autoconf || exit 1 if test -d .git; then fprecommit=.git/hooks/pre-commit if test ! -f $fprecommit ; then echo "Installing git pre-commit hook for this project." cat > $fprecommit << 'foobar' #!/bin/sh exec Scripts/git-pre-commit-hook foobar chmod u+x $fprecommit echo fi fi sndfile-tools-1.5/bin/000077500000000000000000000000001400553006000147025ustar00rootroot00000000000000sndfile-tools-1.5/bin/DUMMY_FILE000066400000000000000000000000441400553006000163150ustar00rootroot00000000000000Need a file here to keep git happy. sndfile-tools-1.5/config.h.cmake000066400000000000000000000001201400553006000166200ustar00rootroot00000000000000#define PACKAGE_VERSION "@CPACK_PACKAGE_VERSION@" #cmakedefine HAVE_SYS_WAIT_H sndfile-tools-1.5/configure.ac000066400000000000000000000134101400553006000164170ustar00rootroot00000000000000# Copyright (C) 2002-2021 Erik de Castro Lopo dnl Require autoconf version >= 2.69) AC_PREREQ([2.69]) AC_INIT([sndfile-tools],[1.5],[sndfile@mega-nerd.com], [sndfile-tools],[https://github.com/libsndfile/sndfile-tools/]) dnl Check whether we want to set defaults for CFLAGS, CPPFLAGS and LDFLAGS AC_MSG_CHECKING([whether configure should try to set CFLAGS/CPPFLAGS/LDFLAGS]) AS_IF([test "x${CFLAGS+set}" = "xset" || test "x${CPPFLAGS+set}" = "xset" || test "x${LDFLAGS+set}" = "xset"], [ enable_flags_setting=no : ${CFLAGS=""} ], [ enable_flags_setting=yes dnl Set to empty flags so AC_PROG_CC does not add -g -O2 CFLAGS="" ]) AC_MSG_RESULT([${enable_flags_setting}]) dnl Put config stuff in 'build-aux'. AC_CONFIG_AUX_DIR([build-aux]) AC_CONFIG_SRCDIR([src/spectrogram.c]) AC_CANONICAL_HOST AC_CONFIG_MACRO_DIR([m4]) AC_CONFIG_HEADERS([src/config.h]) AM_INIT_AUTOMAKE([1.14 foreign dist-bzip2 no-dist-gzip subdir-objects]) AM_SILENT_RULES([yes]) dnl ==================================================================================== AC_PROG_CC AC_PROG_CC_C99 AS_IF([test "x$ac_cv_prog_cc_c99" = "xno"], [ AC_MSG_ERROR([sndfile-tools requires a C99 capable compiler!]) ]) AC_LANG([C]) AX_COMPILER_VENDOR AX_COMPILER_VERSION dnl ==================================================================================== dnl Finished checking, handle options. AC_ARG_ENABLE([werror], [AS_HELP_STRING([--enable-werror], [enable -Werror in all Makefiles])]) AC_ARG_ENABLE([jack], [AS_HELP_STRING([--disable-jack], [disable use of JACK (default=autodetect)])], [], [enable_jack=auto]) dnl ==================================================================================== dnl Check for functions. AC_SEARCH_LIBS([floor], [m], [], [ AC_MSG_ERROR([unable to find the floor() function!]) ]) AC_CHECK_FUNCS([floor ceil fmod lrint lrintf]) dnl ==================================================================================== dnl Check for libsndfile. PKG_CHECK_MODULES([SNDFILE], [sndfile >= 1.0.19], [ AC_DEFINE([HAVE_SNDFILE], [1], [Set to 1 if you have libsndfile]) ], [ AC_MSG_ERROR([libsndfile could not be found!]) ]) dnl ==================================================================================== dnl Check for libsamplerate. PKG_CHECK_MODULES([SAMPLERATE], [samplerate >= 0.1.5], [ AC_DEFINE([HAVE_SAMPLERATE], [1], [Set to 1 if you have libsamplerate]) ], [ AC_MSG_ERROR([libsamplerate could not be found!]) ]) dnl ==================================================================================== dnl Check for libfftw3 which is required for src/sndfile-spectrogram.c). PKG_CHECK_MODULES([FFTW3], [fftw3 >= 0.15.0], [ AC_DEFINE([HAVE_FFTW3], [1], [Set to 1 if you have FFTW]) ], [ AC_MSG_ERROR([FFTW could not be found!]) ]) dnl ==================================================================================== dnl Check for libcairo which is required for src/sndfile-spectrogram.c. PKG_CHECK_MODULES([CAIRO], [cairo >= 1.4.0], [ AC_DEFINE([HAVE_CAIRO], [1], [Set to 1 if you have Cairo]) ], [ AC_MSG_ERROR([Cairo could not be found!]) ]) dnl ==================================================================================== dnl Check for JACK which is required for src/sndfile-jackplay.c. AS_IF([test "x$enable_jack" != "xno"], [ PKG_CHECK_MODULES([JACK], [jack >= 0.100], [ AC_DEFINE([HAVE_JACK], [1], [Set to 1 if you have JACK]) enable_jack="yes" AX_PTHREAD JACK_CFLAGS="${JACK_CFLAGS} ${PTHREAD_CFLAGS}" JACK_LIBS="${JACK_LIBS} ${PTHREAD_LIBS}" ], [ AS_IF([test "x$enable_jack" = "xyes"], [ dnl explicitly passed --enable-jack, hence error out loud and clearly AC_MSG_ERROR([You explicitly requested JACK support, but JACK could not be found!]) ], [ dnl did not explicitly pass --enable-jack, relying on default automagic on enable_jack="no (auto)" ]) ]) ]) AM_CONDITIONAL([HAVE_JACK], [test "x$enable_jack" = "xyes"]) dnl ==================================================================================== dnl Compiler stuff. AS_IF([test "x$enable_flags_setting" = "xyes"], [ AX_APPEND_COMPILE_FLAGS([-O2 -pipe], [CFLAGS]) AS_CASE([${host_os}], [darwin*], [ ldflags_test="-Wl,-dead_strip_dylibs"], [linux*], [ ldflags_test="-Wl,-O1 -Wl,--as-needed -Wl,--no-undefined -Wl,--gc-sections"] ) AX_APPEND_LINK_FLAGS([${ldflags_test}], [LDFLAGS]) ]) AS_IF([test "x$enable_werror" = "xyes"], [ AX_APPEND_COMPILE_FLAGS([-Werror], [CFLAGS]) ]) AX_APPEND_COMPILE_FLAGS([-Wall -Wextra -Wstrict-prototypes -Wmissing-prototypes -Waggregate-return -Wcast-align -Wcast-qual -Wnested-externs -Wshadow -Wpointer-arith], [CFLAGS]) dnl ==================================================================================== dnl Now use the information from the checking stage. AC_CONFIG_FILES([Makefile]) AC_OUTPUT dnl ==================================================================================== AX_RECURSIVE_EVAL([$bindir], [full_absolute_bindir]) AC_MSG_RESULT([ -=-=-=-=-=-=-=-=-=-= Configuration Complete =-=-=-=-=-=-=-=-=-=-=- Configuration summary : sndfile-tools version : ............... ${VERSION} Host CPU : ............................ ${host_cpu} Host Vendor : ......................... ${host_vendor} Host OS : ............................. ${host_os} CFLAGS : .............................. ${CFLAGS} CPPFLAGS : ............................ ${CPPFLAGS} LDFLAGS : ............................. ${LDFLAGS} Tools : C Compiler Vendor is : ................ ${ax_cv_c_compiler_vendor} (${ax_cv_c_compiler_version}) Extra tools required for testing and examples : Found libjack ......................... ${enable_jack} Installation directories : Program directory : ................... ${full_absolute_bindir} ]) sndfile-tools-1.5/doc/000077500000000000000000000000001400553006000146775ustar00rootroot00000000000000sndfile-tools-1.5/doc/index.html000066400000000000000000000072421400553006000167010ustar00rootroot00000000000000 sndfile-tools


sndfile-tools

Sndfile-tools is a small collection of programs that use libsndfile and other libraries to do useful things. The collection currently includes the following programs:

The sndfile-tools package is released under the terms of the GNU General Public License (version 2 or version 3).

The latest version is 1.5 and it can be downloaded here: sndfile-tools-1.5.tar.bz2 ( GPG signature).

It should be trivial to compile on Linux and relatively easy to compile on other Unices (including Mac OSX). Its probably possible to compile it on windows, but why would anyone bother?



sndfile-generate-chirp

Create a sound file containing a swept sine wave (ie a chirp). 

    sndfile-generate-chirp  [options] <sample rate> <length in seconds> <sound file>

    Options include:

        -from <start>    Sweep start frequency in Hz (default 200Hz).
        -to <end>        Sweep end frequency in Hz (default fs/2).
        -amp <value>     Amplitude of generated sine (default 1.0).
        <sweep type>     One of (default -log):
                             -log     logarithmic sweep
                             -quad    quadratic sweep
                             -linear  linear sweep

    The output file will contain floating point samples in the range [-1.0, 1.0].
    The output file type is determined by the file name extension which should be one
    of 'wav', 'aifc', 'aif', 'aiff', 'au', 'caf' and 'w64'.


sndfile-jackplay

Play a sound file via the JACK Audio Connect Kit daemon. 

    sndfile-jackplay <filename>


sndfile-spectrogram

Generate a spectrogram as a PNG file from a given sound file. 

    sndfile-spectrogram <sound file> <img width> <img height> <png name>

This program (in conjunction with sndfile-generate-chirp) is particularly useful for evaluating the quality of sample rate converters. For instance, a chirp can be generated at 96kHz, passed through the converter and a spectrogram generated for the converter output file. For example:


Example spectrogram


sndfile-mix-to-mono

Convert a multi-channel input file to a mono output file, by mixing all input channels into one. 

    sndfile-mix-to-mono <input file> <output file>
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When you make and distribute a # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. #serial 5 AC_DEFUN([AX_CHECK_COMPILE_FLAG], [AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [ ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS _AC_LANG_PREFIX[]FLAGS="$[]_AC_LANG_PREFIX[]FLAGS $4 $1" AC_COMPILE_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])], [AS_VAR_SET(CACHEVAR,[yes])], [AS_VAR_SET(CACHEVAR,[no])]) _AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags]) AS_VAR_IF(CACHEVAR,yes, [m4_default([$2], :)], [m4_default([$3], :)]) AS_VAR_POPDEF([CACHEVAR])dnl ])dnl AX_CHECK_COMPILE_FLAGS sndfile-tools-1.5/m4/ax_check_link_flag.m4000066400000000000000000000061571400553006000205000ustar00rootroot00000000000000# =========================================================================== # https://www.gnu.org/software/autoconf-archive/ax_check_link_flag.html # =========================================================================== # # SYNOPSIS # # AX_CHECK_LINK_FLAG(FLAG, [ACTION-SUCCESS], [ACTION-FAILURE], [EXTRA-FLAGS], [INPUT]) # # DESCRIPTION # # Check whether the given FLAG works with the linker or gives an error. # (Warnings, however, are ignored) # # ACTION-SUCCESS/ACTION-FAILURE are shell commands to execute on # success/failure. # # If EXTRA-FLAGS is defined, it is added to the linker's default flags # when the check is done. The check is thus made with the flags: "LDFLAGS # EXTRA-FLAGS FLAG". This can for example be used to force the linker to # issue an error when a bad flag is given. # # INPUT gives an alternative input source to AC_LINK_IFELSE. # # NOTE: Implementation based on AX_CFLAGS_GCC_OPTION. Please keep this # macro in sync with AX_CHECK_{PREPROC,COMPILE}_FLAG. # # LICENSE # # Copyright (c) 2008 Guido U. Draheim # Copyright (c) 2011 Maarten Bosmans # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the # Free Software Foundation, either version 3 of the License, or (at your # option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General # Public License for more details. # # You should have received a copy of the GNU General Public License along # with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure # scripts that are the output of Autoconf when processing the Macro. You # need not follow the terms of the GNU General Public License when using # or distributing such scripts, even though portions of the text of the # Macro appear in them. The GNU General Public License (GPL) does govern # all other use of the material that constitutes the Autoconf Macro. # # This special exception to the GPL applies to versions of the Autoconf # Macro released by the Autoconf Archive. When you make and distribute a # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. #serial 5 AC_DEFUN([AX_CHECK_LINK_FLAG], [AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_ldflags_$4_$1])dnl AC_CACHE_CHECK([whether the linker accepts $1], CACHEVAR, [ ax_check_save_flags=$LDFLAGS LDFLAGS="$LDFLAGS $4 $1" AC_LINK_IFELSE([m4_default([$5],[AC_LANG_PROGRAM()])], [AS_VAR_SET(CACHEVAR,[yes])], [AS_VAR_SET(CACHEVAR,[no])]) LDFLAGS=$ax_check_save_flags]) AS_VAR_IF(CACHEVAR,yes, [m4_default([$2], :)], [m4_default([$3], :)]) AS_VAR_POPDEF([CACHEVAR])dnl ])dnl AX_CHECK_LINK_FLAGS sndfile-tools-1.5/m4/ax_compiler_vendor.m4000066400000000000000000000070261400553006000206000ustar00rootroot00000000000000# =========================================================================== # https://www.gnu.org/software/autoconf-archive/ax_compiler_vendor.html # =========================================================================== # # SYNOPSIS # # AX_COMPILER_VENDOR # # DESCRIPTION # # Determine the vendor of the C/C++ compiler, e.g., gnu, intel, ibm, sun, # hp, borland, comeau, dec, cray, kai, lcc, metrowerks, sgi, microsoft, # watcom, etc. The vendor is returned in the cache variable # $ax_cv_c_compiler_vendor for C and $ax_cv_cxx_compiler_vendor for C++. # # LICENSE # # Copyright (c) 2008 Steven G. Johnson # Copyright (c) 2008 Matteo Frigo # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the # Free Software Foundation, either version 3 of the License, or (at your # option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General # Public License for more details. # # You should have received a copy of the GNU General Public License along # with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure # scripts that are the output of Autoconf when processing the Macro. You # need not follow the terms of the GNU General Public License when using # or distributing such scripts, even though portions of the text of the # Macro appear in them. The GNU General Public License (GPL) does govern # all other use of the material that constitutes the Autoconf Macro. # # This special exception to the GPL applies to versions of the Autoconf # Macro released by the Autoconf Archive. When you make and distribute a # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. #serial 16 AC_DEFUN([AX_COMPILER_VENDOR], [AC_CACHE_CHECK([for _AC_LANG compiler vendor], ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor, dnl Please add if possible support to ax_compiler_version.m4 [# note: don't check for gcc first since some other compilers define __GNUC__ vendors="intel: __ICC,__ECC,__INTEL_COMPILER ibm: __xlc__,__xlC__,__IBMC__,__IBMCPP__ pathscale: __PATHCC__,__PATHSCALE__ clang: __clang__ cray: _CRAYC fujitsu: __FUJITSU gnu: __GNUC__ sun: __SUNPRO_C,__SUNPRO_CC hp: __HP_cc,__HP_aCC dec: __DECC,__DECCXX,__DECC_VER,__DECCXX_VER borland: __BORLANDC__,__CODEGEARC__,__TURBOC__ comeau: __COMO__ kai: __KCC lcc: __LCC__ sgi: __sgi,sgi microsoft: _MSC_VER metrowerks: __MWERKS__ watcom: __WATCOMC__ portland: __PGI tcc: __TINYC__ unknown: UNKNOWN" for ventest in $vendors; do case $ventest in *:) vendor=$ventest; continue ;; *) vencpp="defined("`echo $ventest | sed 's/,/) || defined(/g'`")" ;; esac AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,[ #if !($vencpp) thisisanerror; #endif ])], [break]) done ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor=`echo $vendor | cut -d: -f1` ]) ]) sndfile-tools-1.5/m4/ax_compiler_version.m4000066400000000000000000000523531400553006000207730ustar00rootroot00000000000000# =========================================================================== # https://www.gnu.org/software/autoconf-archive/ax_compiler_version.html # =========================================================================== # # SYNOPSIS # # AX_COMPILER_VERSION # # DESCRIPTION # # This macro retrieves the compiler version and returns it in the cache # variable $ax_cv_c_compiler_version for C and $ax_cv_cxx_compiler_version # for C++. # # Version is returned as epoch:major.minor.patchversion # # Epoch is used in order to have an increasing version number in case of # marketing change. # # Epoch use: * borland compiler use chronologically 0turboc for turboc # era, # # 1borlanc BORLANDC++ before 5, 2cppbuilder for cppbuilder era, # 3borlancpp for return of BORLANDC++ (after version 5.5), # 4cppbuilder for cppbuilder with year version, # and 5xe for XE era. # # An empty string is returned otherwise. # # LICENSE # # Copyright (c) 2014 Bastien ROUCARIES # # Copying and distribution of this file, with or without modification, are # permitted in any medium without royalty provided the copyright notice # and this notice are preserved. This file is offered as-is, without any # warranty. #serial 9 # for intel AC_DEFUN([_AX_COMPILER_VERSION_INTEL], [ dnl AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, [__INTEL_COMPILER/100],, AC_MSG_FAILURE([[[$0]] unknown intel compiler version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, [(__INTEL_COMPILER%100)/10],, AC_MSG_FAILURE([[[$0]] unknown intel compiler version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, [(__INTEL_COMPILER%10)],, AC_MSG_FAILURE([[[$0]] unknown intel compiler version])) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" ]) # for IBM AC_DEFUN([_AX_COMPILER_VERSION_IBM], [ dnl dnl check between z/OS C/C++ and XL C/C++ AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([], [ #if defined(__COMPILER_VER__) choke me; #endif ])], [ AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, [__xlC__/100],, AC_MSG_FAILURE([[[$0]] unknown IBM compiler major version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, [__xlC__%100],, AC_MSG_FAILURE([[[$0]] unknown IBM compiler minor version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, [__xlC_ver__/0x100],, AC_MSG_FAILURE([[[$0]] unknown IBM compiler patch version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_build, [__xlC_ver__%0x100],, AC_MSG_FAILURE([[[$0]] unknown IBM compiler build version])) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_build" ], [ AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, [__xlC__%1000],, AC_MSG_FAILURE([[[$0]] unknown IBM compiler patch version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, [(__xlC__/10000)%10],, AC_MSG_FAILURE([[[$0]] unknown IBM compiler minor version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, [(__xlC__/100000)%10],, AC_MSG_FAILURE([[[$0]] unknown IBM compiler major version])) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" ]) ]) # for pathscale AC_DEFUN([_AX_COMPILER_VERSION_PATHSCALE],[ AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, __PATHCC__,, AC_MSG_FAILURE([[[$0]] unknown pathscale major])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, __PATHCC_MINOR__,, AC_MSG_FAILURE([[[$0]] unknown pathscale minor])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, [__PATHCC_PATCHLEVEL__],, AC_MSG_FAILURE([[[$0]] unknown pathscale patch level])) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" ]) # for clang AC_DEFUN([_AX_COMPILER_VERSION_CLANG],[ AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, __clang_major__,, AC_MSG_FAILURE([[[$0]] unknown clang major])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, __clang_minor__,, AC_MSG_FAILURE([[[$0]] unknown clang minor])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, [__clang_patchlevel__],,0) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" ]) # for crayc AC_DEFUN([_AX_COMPILER_VERSION_CRAY],[ AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, _RELEASE,, AC_MSG_FAILURE([[[$0]] unknown crayc release])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, _RELEASE_MINOR,, AC_MSG_FAILURE([[[$0]] unknown crayc minor])) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor" ]) # for fujitsu AC_DEFUN([_AX_COMPILER_VERSION_FUJITSU],[ AC_COMPUTE_INT(ax_cv_[]_AC_LANG_ABBREV[]_compiler_version, __FCC_VERSION,, AC_MSG_FAILURE([[[$0]]unknown fujitsu release])) ]) # for GNU AC_DEFUN([_AX_COMPILER_VERSION_GNU],[ AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, __GNUC__,, AC_MSG_FAILURE([[[$0]] unknown gcc major])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, __GNUC_MINOR__,, AC_MSG_FAILURE([[[$0]] unknown gcc minor])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, [__GNUC_PATCHLEVEL__],, AC_MSG_FAILURE([[[$0]] unknown gcc patch level])) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" ]) # For sun AC_DEFUN([_AX_COMPILER_VERSION_SUN],[ m4_define([_AX_COMPILER_VERSION_SUN_NUMBER], [ #if defined(__SUNPRO_CC) __SUNPRO_CC #else __SUNPRO_C #endif ]) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_until59, !!(_AX_COMPILER_VERSION_SUN_NUMBER < 0x1000),, AC_MSG_FAILURE([[[$0]] unknown sun release version])) AS_IF([test "X$_ax_[]_AC_LANG_ABBREV[]_compiler_version_until59" = X1], [dnl AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, _AX_COMPILER_VERSION_SUN_NUMBER % 0x10,, AC_MSG_FAILURE([[[$0]] unknown sun patch version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, (_AX_COMPILER_VERSION_SUN_NUMBER / 0x10) % 0x10,, AC_MSG_FAILURE([[[$0]] unknown sun minor version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, (_AX_COMPILER_VERSION_SUN_NUMBER / 0x100),, AC_MSG_FAILURE([[[$0]] unknown sun major version])) ], [dnl AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, _AX_COMPILER_VERSION_SUN_NUMBER % 0x10,, AC_MSG_FAILURE([[[$0]] unknown sun patch version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, (_AX_COMPILER_VERSION_SUN_NUMBER / 0x100) % 0x100,, AC_MSG_FAILURE([[[$0]] unknown sun minor version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, (_AX_COMPILER_VERSION_SUN_NUMBER / 0x1000),, AC_MSG_FAILURE([[[$0]] unknown sun major version])) ]) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" ]) AC_DEFUN([_AX_COMPILER_VERSION_HP],[ m4_define([_AX_COMPILER_VERSION_HP_NUMBER], [ #if defined(__HP_cc) __HP_cc #else __HP_aCC #endif ]) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_untilA0121, !!(_AX_COMPILER_VERSION_HP_NUMBER <= 1),, AC_MSG_FAILURE([[[$0]] unknown hp release version])) AS_IF([test "X$_ax_[]_AC_LANG_ABBREV[]_compiler_version_untilA0121" = X1], [dnl By default output last version with this behavior. dnl it is so old ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="01.21.00" ], [dnl AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, (_AX_COMPILER_VERSION_HP_NUMBER % 100),, AC_MSG_FAILURE([[[$0]] unknown hp release version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, ((_AX_COMPILER_VERSION_HP_NUMBER / 100)%100),, AC_MSG_FAILURE([[[$0]] unknown hp minor version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, ((_AX_COMPILER_VERSION_HP_NUMBER / 10000)%100),, AC_MSG_FAILURE([[[$0]] unknown hp major version])) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" ]) ]) AC_DEFUN([_AX_COMPILER_VERSION_DEC],[dnl m4_define([_AX_COMPILER_VERSION_DEC_NUMBER], [ #if defined(__DECC_VER) __DECC_VER #else __DECCXX_VER #endif ]) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, (_AX_COMPILER_VERSION_DEC_NUMBER % 10000),, AC_MSG_FAILURE([[[$0]] unknown dec release version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, ((_AX_COMPILER_VERSION_DEC_NUMBER / 100000UL)%100),, AC_MSG_FAILURE([[[$0]] unknown dec minor version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, ((_AX_COMPILER_VERSION_DEC_NUMBER / 10000000UL)%100),, AC_MSG_FAILURE([[[$0]] unknown dec major version])) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" ]) # borland AC_DEFUN([_AX_COMPILER_VERSION_BORLAND],[dnl m4_define([_AX_COMPILER_VERSION_TURBOC_NUMBER], [ #if defined(__TURBOC__) __TURBOC__ #else choke me #endif ]) m4_define([_AX_COMPILER_VERSION_BORLANDC_NUMBER], [ #if defined(__BORLANDC__) __BORLANDC__ #else __CODEGEARC__ #endif ]) AC_COMPILE_IFELSE( [AC_LANG_PROGRAM(, _AX_COMPILER_VERSION_TURBOC_NUMBER)], [dnl TURBOC AC_COMPUTE_INT( _ax_[]_AC_LANG_ABBREV[]_compiler_version_turboc_raw, _AX_COMPILER_VERSION_TURBOC_NUMBER,, AC_MSG_FAILURE([[[$0]] unknown turboc version])) AS_IF( [test $_ax_[]_AC_LANG_ABBREV[]_compiler_version_turboc_raw -lt 661 || test $_ax_[]_AC_LANG_ABBREV[]_compiler_version_turboc_raw -gt 1023], [dnl compute normal version AC_COMPUTE_INT( _ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, _AX_COMPILER_VERSION_TURBOC_NUMBER % 0x100,, AC_MSG_FAILURE([[[$0]] unknown turboc minor version])) AC_COMPUTE_INT( _ax_[]_AC_LANG_ABBREV[]_compiler_version_major, (_AX_COMPILER_VERSION_TURBOC_NUMBER/0x100)%0x100,, AC_MSG_FAILURE([[[$0]] unknown turboc major version])) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="0turboc:$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor"], [dnl special version AS_CASE([$_ax_[]_AC_LANG_ABBREV[]_compiler_version_turboc_raw], [661],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="0turboc:1.00"], [662],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="0turboc:1.01"], [663],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="0turboc:2.00"], [ AC_MSG_WARN([[[$0]] unknown turboc version between 0x295 and 0x400 please report bug]) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="" ]) ]) ], # borlandc [ AC_COMPUTE_INT( _ax_[]_AC_LANG_ABBREV[]_compiler_version_borlandc_raw, _AX_COMPILER_VERSION_BORLANDC_NUMBER,, AC_MSG_FAILURE([[[$0]] unknown borlandc version])) AS_CASE([$_ax_[]_AC_LANG_ABBREV[]_compiler_version_borlandc_raw], dnl BORLANDC++ before 5.5 [512] ,[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:2.00"], [1024],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:3.00"], [1024],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:3.00"], [1040],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:3.1"], [1106],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:4.0"], [1280],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:5.0"], [1312],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="1borlanc:5.02"], dnl C++ Builder era [1328],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="2cppbuilder:3.0"], [1344],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="2cppbuilder:4.0"], dnl BORLANDC++ after 5.5 [1360],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="3borlancpp:5.5"], [1361],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="3borlancpp:5.51"], [1378],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="3borlancpp:5.6.4"], dnl C++ Builder with year number [1392],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="4cppbuilder:2006"], [1424],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="4cppbuilder:2007"], [1555],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="4cppbuilder:2009"], [1569],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="4cppbuilder:2010"], dnl XE version [1584],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="5xe"], [1600],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="5xe:2"], [1616],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="5xe:3"], [1632],[ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="5xe:4"], [ AC_MSG_WARN([[[$0]] Unknown borlandc compiler version $_ax_[]_AC_LANG_ABBREV[]_compiler_version_borlandc_raw please report bug]) ]) ]) ]) # COMO AC_DEFUN([_AX_COMPILER_VERSION_COMEAU], [ dnl AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, [__COMO_VERSION__%100],, AC_MSG_FAILURE([[[$0]] unknown comeau compiler minor version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, [(__COMO_VERSION__/100)%10],, AC_MSG_FAILURE([[[$0]] unknown comeau compiler major version])) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor" ]) # KAI AC_DEFUN([_AX_COMPILER_VERSION_KAI],[ AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, [__KCC_VERSION%100],, AC_MSG_FAILURE([[[$0]] unknown kay compiler patch version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, [(__KCC_VERSION/100)%10],, AC_MSG_FAILURE([[[$0]] unknown kay compiler minor version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, [(__KCC_VERSION/1000)%10],, AC_MSG_FAILURE([[[$0]] unknown kay compiler major version])) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" ]) dnl LCC dnl LCC does not output version... # SGI AC_DEFUN([_AX_COMPILER_VERSION_SGI],[ m4_define([_AX_COMPILER_VERSION_SGI_NUMBER], [ #if defined(_COMPILER_VERSION) _COMPILER_VERSION #else _SGI_COMPILER_VERSION #endif ]) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, [_AX_COMPILER_VERSION_SGI_NUMBER%10],, AC_MSG_FAILURE([[[$0]] unknown SGI compiler patch version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, [(_AX_COMPILER_VERSION_SGI_NUMBER/10)%10],, AC_MSG_FAILURE([[[$0]] unknown SGI compiler minor version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, [(_AX_COMPILER_VERSION_SGI_NUMBER/100)%10],, AC_MSG_FAILURE([[[$0]] unknown SGI compiler major version])) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" ]) # microsoft AC_DEFUN([_AX_COMPILER_VERSION_MICROSOFT],[ AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, _MSC_VER%100,, AC_MSG_FAILURE([[[$0]] unknown microsoft compiler minor version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, (_MSC_VER/100)%100,, AC_MSG_FAILURE([[[$0]] unknown microsoft compiler major version])) dnl could be overridden _ax_[]_AC_LANG_ABBREV[]_compiler_version_patch=0 _ax_[]_AC_LANG_ABBREV[]_compiler_version_build=0 # special case for version 6 AS_IF([test "X$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major" = "X12"], [AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, _MSC_FULL_VER%1000,, _ax_[]_AC_LANG_ABBREV[]_compiler_version_patch=0)]) # for version 7 AS_IF([test "X$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major" = "X13"], [AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, _MSC_FULL_VER%1000,, AC_MSG_FAILURE([[[$0]] unknown microsoft compiler patch version])) ]) # for version > 8 AS_IF([test $_ax_[]_AC_LANG_ABBREV[]_compiler_version_major -ge 14], [AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, _MSC_FULL_VER%10000,, AC_MSG_FAILURE([[[$0]] unknown microsoft compiler patch version])) ]) AS_IF([test $_ax_[]_AC_LANG_ABBREV[]_compiler_version_major -ge 15], [AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_build, _MSC_BUILD,, AC_MSG_FAILURE([[[$0]] unknown microsoft compiler build version])) ]) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_build" ]) # for metrowerks AC_DEFUN([_AX_COMPILER_VERSION_METROWERKS],[dnl AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, __MWERKS__%0x100,, AC_MSG_FAILURE([[[$0]] unknown metrowerks compiler patch version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, (__MWERKS__/0x100)%0x10,, AC_MSG_FAILURE([[[$0]] unknown metrowerks compiler minor version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, (__MWERKS__/0x1000)%0x10,, AC_MSG_FAILURE([[[$0]] unknown metrowerks compiler major version])) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" ]) # for watcom AC_DEFUN([_AX_COMPILER_VERSION_WATCOM],[dnl AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, __WATCOMC__%100,, AC_MSG_FAILURE([[[$0]] unknown watcom compiler minor version])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, (__WATCOMC__/100)%100,, AC_MSG_FAILURE([[[$0]] unknown watcom compiler major version])) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor" ]) # for PGI AC_DEFUN([_AX_COMPILER_VERSION_PORTLAND],[ AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_major, __PGIC__,, AC_MSG_FAILURE([[[$0]] unknown pgi major])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor, __PGIC_MINOR__,, AC_MSG_FAILURE([[[$0]] unknown pgi minor])) AC_COMPUTE_INT(_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch, [__PGIC_PATCHLEVEL__],, AC_MSG_FAILURE([[[$0]] unknown pgi patch level])) ax_cv_[]_AC_LANG_ABBREV[]_compiler_version="$_ax_[]_AC_LANG_ABBREV[]_compiler_version_major.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_minor.$_ax_[]_AC_LANG_ABBREV[]_compiler_version_patch" ]) # tcc AC_DEFUN([_AX_COMPILER_VERSION_TCC],[ ax_cv_[]_AC_LANG_ABBREV[]_compiler_version=[`tcc -v | $SED 's/^[ ]*tcc[ ]\+version[ ]\+\([0-9.]\+\).*/\1/g'`] ]) # main entry point AC_DEFUN([AX_COMPILER_VERSION],[dnl AC_REQUIRE([AX_COMPILER_VENDOR]) AC_REQUIRE([AC_PROG_SED]) AC_CACHE_CHECK([for _AC_LANG compiler version], ax_cv_[]_AC_LANG_ABBREV[]_compiler_version, [ dnl AS_CASE([$ax_cv_[]_AC_LANG_ABBREV[]_compiler_vendor], [intel],[_AX_COMPILER_VERSION_INTEL], [ibm],[_AX_COMPILER_VERSION_IBM], [pathscale],[_AX_COMPILER_VERSION_PATHSCALE], [clang],[_AX_COMPILER_VERSION_CLANG], [cray],[_AX_COMPILER_VERSION_CRAY], [fujitsu],[_AX_COMPILER_VERSION_FUJITSU], [gnu],[_AX_COMPILER_VERSION_GNU], [sun],[_AX_COMPILER_VERSION_SUN], [hp],[_AX_COMPILER_VERSION_HP], [dec],[_AX_COMPILER_VERSION_DEC], [borland],[_AX_COMPILER_VERSION_BORLAND], [comeau],[_AX_COMPILER_VERSION_COMEAU], [kai],[_AX_COMPILER_VERSION_KAI], [sgi],[_AX_COMPILER_VERSION_SGI], [microsoft],[_AX_COMPILER_VERSION_MICROSOFT], [metrowerks],[_AX_COMPILER_VERSION_METROWERKS], [watcom],[_AX_COMPILER_VERSION_WATCOM], [portland],[_AX_COMPILER_VERSION_PORTLAND], [tcc],[_AX_COMPILER_VERSION_TCC], [ax_cv_[]_AC_LANG_ABBREV[]_compiler_version=""]) ]) ]) sndfile-tools-1.5/m4/ax_pthread.m4000066400000000000000000000505221400553006000170370ustar00rootroot00000000000000# =========================================================================== # https://www.gnu.org/software/autoconf-archive/ax_pthread.html # =========================================================================== # # SYNOPSIS # # AX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) # # DESCRIPTION # # This macro figures out how to build C programs using POSIX threads. It # sets the PTHREAD_LIBS output variable to the threads library and linker # flags, and the PTHREAD_CFLAGS output variable to any special C compiler # flags that are needed. (The user can also force certain compiler # flags/libs to be tested by setting these environment variables.) # # Also sets PTHREAD_CC to any special C compiler that is needed for # multi-threaded programs (defaults to the value of CC otherwise). (This # is necessary on AIX to use the special cc_r compiler alias.) # # NOTE: You are assumed to not only compile your program with these flags, # but also to link with them as well. For example, you might link with # $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS # # If you are only building threaded programs, you may wish to use these # variables in your default LIBS, CFLAGS, and CC: # # LIBS="$PTHREAD_LIBS $LIBS" # CFLAGS="$CFLAGS $PTHREAD_CFLAGS" # CC="$PTHREAD_CC" # # In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant # has a nonstandard name, this macro defines PTHREAD_CREATE_JOINABLE to # that name (e.g. PTHREAD_CREATE_UNDETACHED on AIX). # # Also HAVE_PTHREAD_PRIO_INHERIT is defined if pthread is found and the # PTHREAD_PRIO_INHERIT symbol is defined when compiling with # PTHREAD_CFLAGS. # # ACTION-IF-FOUND is a list of shell commands to run if a threads library # is found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it # is not found. If ACTION-IF-FOUND is not specified, the default action # will define HAVE_PTHREAD. # # Please let the authors know if this macro fails on any platform, or if # you have any other suggestions or comments. This macro was based on work # by SGJ on autoconf scripts for FFTW (http://www.fftw.org/) (with help # from M. Frigo), as well as ac_pthread and hb_pthread macros posted by # Alejandro Forero Cuervo to the autoconf macro repository. We are also # grateful for the helpful feedback of numerous users. # # Updated for Autoconf 2.68 by Daniel Richard G. # # LICENSE # # Copyright (c) 2008 Steven G. Johnson # Copyright (c) 2011 Daniel Richard G. # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the # Free Software Foundation, either version 3 of the License, or (at your # option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General # Public License for more details. # # You should have received a copy of the GNU General Public License along # with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure # scripts that are the output of Autoconf when processing the Macro. You # need not follow the terms of the GNU General Public License when using # or distributing such scripts, even though portions of the text of the # Macro appear in them. The GNU General Public License (GPL) does govern # all other use of the material that constitutes the Autoconf Macro. # # This special exception to the GPL applies to versions of the Autoconf # Macro released by the Autoconf Archive. When you make and distribute a # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. #serial 24 AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD]) AC_DEFUN([AX_PTHREAD], [ AC_REQUIRE([AC_CANONICAL_HOST]) AC_REQUIRE([AC_PROG_CC]) AC_REQUIRE([AC_PROG_SED]) AC_LANG_PUSH([C]) ax_pthread_ok=no # We used to check for pthread.h first, but this fails if pthread.h # requires special compiler flags (e.g. on Tru64 or Sequent). # It gets checked for in the link test anyway. # First of all, check if the user has set any of the PTHREAD_LIBS, # etcetera environment variables, and if threads linking works using # them: if test "x$PTHREAD_CFLAGS$PTHREAD_LIBS" != "x"; then ax_pthread_save_CC="$CC" ax_pthread_save_CFLAGS="$CFLAGS" ax_pthread_save_LIBS="$LIBS" AS_IF([test "x$PTHREAD_CC" != "x"], [CC="$PTHREAD_CC"]) CFLAGS="$CFLAGS $PTHREAD_CFLAGS" LIBS="$PTHREAD_LIBS $LIBS" AC_MSG_CHECKING([for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS]) AC_LINK_IFELSE([AC_LANG_CALL([], [pthread_join])], [ax_pthread_ok=yes]) AC_MSG_RESULT([$ax_pthread_ok]) if test "x$ax_pthread_ok" = "xno"; then PTHREAD_LIBS="" PTHREAD_CFLAGS="" fi CC="$ax_pthread_save_CC" CFLAGS="$ax_pthread_save_CFLAGS" LIBS="$ax_pthread_save_LIBS" fi # We must check for the threads library under a number of different # names; the ordering is very important because some systems # (e.g. DEC) have both -lpthread and -lpthreads, where one of the # libraries is broken (non-POSIX). # Create a list of thread flags to try. Items starting with a "-" are # C compiler flags, and other items are library names, except for "none" # which indicates that we try without any flags at all, and "pthread-config" # which is a program returning the flags for the Pth emulation library. ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config" # The ordering *is* (sometimes) important. Some notes on the # individual items follow: # pthreads: AIX (must check this before -lpthread) # none: in case threads are in libc; should be tried before -Kthread and # other compiler flags to prevent continual compiler warnings # -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h) # -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads), Tru64 # (Note: HP C rejects this with "bad form for `-t' option") # -pthreads: Solaris/gcc (Note: HP C also rejects) # -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it # doesn't hurt to check since this sometimes defines pthreads and # -D_REENTRANT too), HP C (must be checked before -lpthread, which # is present but should not be used directly; and before -mthreads, # because the compiler interprets this as "-mt" + "-hreads") # -mthreads: Mingw32/gcc, Lynx/gcc # pthread: Linux, etcetera # --thread-safe: KAI C++ # pthread-config: use pthread-config program (for GNU Pth library) case $host_os in freebsd*) # -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able) # lthread: LinuxThreads port on FreeBSD (also preferred to -pthread) ax_pthread_flags="-kthread lthread $ax_pthread_flags" ;; hpux*) # From the cc(1) man page: "[-mt] Sets various -D flags to enable # multi-threading and also sets -lpthread." ax_pthread_flags="-mt -pthread pthread $ax_pthread_flags" ;; openedition*) # IBM z/OS requires a feature-test macro to be defined in order to # enable POSIX threads at all, so give the user a hint if this is # not set. (We don't define these ourselves, as they can affect # other portions of the system API in unpredictable ways.) AC_EGREP_CPP([AX_PTHREAD_ZOS_MISSING], [ # if !defined(_OPEN_THREADS) && !defined(_UNIX03_THREADS) AX_PTHREAD_ZOS_MISSING # endif ], [AC_MSG_WARN([IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support.])]) ;; solaris*) # On Solaris (at least, for some versions), libc contains stubbed # (non-functional) versions of the pthreads routines, so link-based # tests will erroneously succeed. (N.B.: The stubs are missing # pthread_cleanup_push, or rather a function called by this macro, # so we could check for that, but who knows whether they'll stub # that too in a future libc.) So we'll check first for the # standard Solaris way of linking pthreads (-mt -lpthread). ax_pthread_flags="-mt,pthread pthread $ax_pthread_flags" ;; esac # GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC) AS_IF([test "x$GCC" = "xyes"], [ax_pthread_flags="-pthread -pthreads $ax_pthread_flags"]) # The presence of a feature test macro requesting re-entrant function # definitions is, on some systems, a strong hint that pthreads support is # correctly enabled case $host_os in darwin* | hpux* | linux* | osf* | solaris*) ax_pthread_check_macro="_REENTRANT" ;; aix*) ax_pthread_check_macro="_THREAD_SAFE" ;; *) ax_pthread_check_macro="--" ;; esac AS_IF([test "x$ax_pthread_check_macro" = "x--"], [ax_pthread_check_cond=0], [ax_pthread_check_cond="!defined($ax_pthread_check_macro)"]) # Are we compiling with Clang? AC_CACHE_CHECK([whether $CC is Clang], [ax_cv_PTHREAD_CLANG], [ax_cv_PTHREAD_CLANG=no # Note that Autoconf sets GCC=yes for Clang as well as GCC if test "x$GCC" = "xyes"; then AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG], [/* Note: Clang 2.7 lacks __clang_[a-z]+__ */ # if defined(__clang__) && defined(__llvm__) AX_PTHREAD_CC_IS_CLANG # endif ], [ax_cv_PTHREAD_CLANG=yes]) fi ]) ax_pthread_clang="$ax_cv_PTHREAD_CLANG" ax_pthread_clang_warning=no # Clang needs special handling, because older versions handle the -pthread # option in a rather... idiosyncratic way if test "x$ax_pthread_clang" = "xyes"; then # Clang takes -pthread; it has never supported any other flag # (Note 1: This will need to be revisited if a system that Clang # supports has POSIX threads in a separate library. This tends not # to be the way of modern systems, but it's conceivable.) # (Note 2: On some systems, notably Darwin, -pthread is not needed # to get POSIX threads support; the API is always present and # active. We could reasonably leave PTHREAD_CFLAGS empty. But # -pthread does define _REENTRANT, and while the Darwin headers # ignore this macro, third-party headers might not.) PTHREAD_CFLAGS="-pthread" PTHREAD_LIBS= ax_pthread_ok=yes # However, older versions of Clang make a point of warning the user # that, in an invocation where only linking and no compilation is # taking place, the -pthread option has no effect ("argument unused # during compilation"). They expect -pthread to be passed in only # when source code is being compiled. # # Problem is, this is at odds with the way Automake and most other # C build frameworks function, which is that the same flags used in # compilation (CFLAGS) are also used in linking. Many systems # supported by AX_PTHREAD require exactly this for POSIX threads # support, and in fact it is often not straightforward to specify a # flag that is used only in the compilation phase and not in # linking. Such a scenario is extremely rare in practice. # # Even though use of the -pthread flag in linking would only print # a warning, this can be a nuisance for well-run software projects # that build with -Werror. So if the active version of Clang has # this misfeature, we search for an option to squash it. AC_CACHE_CHECK([whether Clang needs flag to prevent "argument unused" warning when linking with -pthread], [ax_cv_PTHREAD_CLANG_NO_WARN_FLAG], [ax_cv_PTHREAD_CLANG_NO_WARN_FLAG=unknown # Create an alternate version of $ac_link that compiles and # links in two steps (.c -> .o, .o -> exe) instead of one # (.c -> exe), because the warning occurs only in the second # step ax_pthread_save_ac_link="$ac_link" ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g' ax_pthread_link_step=`$as_echo "$ac_link" | sed "$ax_pthread_sed"` ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)" ax_pthread_save_CFLAGS="$CFLAGS" for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do AS_IF([test "x$ax_pthread_try" = "xunknown"], [break]) CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS" ac_link="$ax_pthread_save_ac_link" AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])], [ac_link="$ax_pthread_2step_ac_link" AC_LINK_IFELSE([AC_LANG_SOURCE([[int main(void){return 0;}]])], [break]) ]) done ac_link="$ax_pthread_save_ac_link" CFLAGS="$ax_pthread_save_CFLAGS" AS_IF([test "x$ax_pthread_try" = "x"], [ax_pthread_try=no]) ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try" ]) case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in no | unknown) ;; *) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;; esac fi # $ax_pthread_clang = yes if test "x$ax_pthread_ok" = "xno"; then for ax_pthread_try_flag in $ax_pthread_flags; do case $ax_pthread_try_flag in none) AC_MSG_CHECKING([whether pthreads work without any flags]) ;; -mt,pthread) AC_MSG_CHECKING([whether pthreads work with -mt -lpthread]) PTHREAD_CFLAGS="-mt" PTHREAD_LIBS="-lpthread" ;; -*) AC_MSG_CHECKING([whether pthreads work with $ax_pthread_try_flag]) PTHREAD_CFLAGS="$ax_pthread_try_flag" ;; pthread-config) AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no]) AS_IF([test "x$ax_pthread_config" = "xno"], [continue]) PTHREAD_CFLAGS="`pthread-config --cflags`" PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`" ;; *) AC_MSG_CHECKING([for the pthreads library -l$ax_pthread_try_flag]) PTHREAD_LIBS="-l$ax_pthread_try_flag" ;; esac ax_pthread_save_CFLAGS="$CFLAGS" ax_pthread_save_LIBS="$LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS" LIBS="$PTHREAD_LIBS $LIBS" # Check for various functions. We must include pthread.h, # since some functions may be macros. (On the Sequent, we # need a special flag -Kthread to make this header compile.) # We check for pthread_join because it is in -lpthread on IRIX # while pthread_create is in libc. We check for pthread_attr_init # due to DEC craziness with -lpthreads. We check for # pthread_cleanup_push because it is one of the few pthread # functions on Solaris that doesn't have a non-functional libc stub. # We try pthread_create on general principles. AC_LINK_IFELSE([AC_LANG_PROGRAM([#include # if $ax_pthread_check_cond # error "$ax_pthread_check_macro must be defined" # endif static void routine(void *a) { a = 0; } static void *start_routine(void *a) { return a; }], [pthread_t th; pthread_attr_t attr; pthread_create(&th, 0, start_routine, 0); pthread_join(th, 0); pthread_attr_init(&attr); pthread_cleanup_push(routine, 0); pthread_cleanup_pop(0) /* ; */])], [ax_pthread_ok=yes], []) CFLAGS="$ax_pthread_save_CFLAGS" LIBS="$ax_pthread_save_LIBS" AC_MSG_RESULT([$ax_pthread_ok]) AS_IF([test "x$ax_pthread_ok" = "xyes"], [break]) PTHREAD_LIBS="" PTHREAD_CFLAGS="" done fi # Various other checks: if test "x$ax_pthread_ok" = "xyes"; then ax_pthread_save_CFLAGS="$CFLAGS" ax_pthread_save_LIBS="$LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS" LIBS="$PTHREAD_LIBS $LIBS" # Detect AIX lossage: JOINABLE attribute is called UNDETACHED. 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WARNING: It's easy to get an infinite loop with some # unsane input. # # LICENSE # # Copyright (c) 2008 Alexandre Duret-Lutz # # This program is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the # Free Software Foundation; either version 2 of the License, or (at your # option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General # Public License for more details. # # You should have received a copy of the GNU General Public License along # with this program. If not, see . # # As a special exception, the respective Autoconf Macro's copyright owner # gives unlimited permission to copy, distribute and modify the configure # scripts that are the output of Autoconf when processing the Macro. You # need not follow the terms of the GNU General Public License when using # or distributing such scripts, even though portions of the text of the # Macro appear in them. The GNU General Public License (GPL) does govern # all other use of the material that constitutes the Autoconf Macro. # # This special exception to the GPL applies to versions of the Autoconf # Macro released by the Autoconf Archive. When you make and distribute a # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. #serial 1 AC_DEFUN([AX_RECURSIVE_EVAL], [_lcl_receval="$1" $2=`(test "x$prefix" = xNONE && prefix="$ac_default_prefix" test "x$exec_prefix" = xNONE && exec_prefix="${prefix}" _lcl_receval_old='' while test "[$]_lcl_receval_old" != "[$]_lcl_receval"; do _lcl_receval_old="[$]_lcl_receval" eval _lcl_receval="\"[$]_lcl_receval\"" done echo "[$]_lcl_receval")`]) sndfile-tools-1.5/m4/ax_require_defined.m4000066400000000000000000000023021400553006000205330ustar00rootroot00000000000000# =========================================================================== # https://www.gnu.org/software/autoconf-archive/ax_require_defined.html # =========================================================================== # # SYNOPSIS # # AX_REQUIRE_DEFINED(MACRO) # # DESCRIPTION # # AX_REQUIRE_DEFINED is a simple helper for making sure other macros have # been defined and thus are available for use. This avoids random issues # where a macro isn't expanded. Instead the configure script emits a # non-fatal: # # ./configure: line 1673: AX_CFLAGS_WARN_ALL: command not found # # It's like AC_REQUIRE except it doesn't expand the required macro. # # Here's an example: # # AX_REQUIRE_DEFINED([AX_CHECK_LINK_FLAG]) # # LICENSE # # Copyright (c) 2014 Mike Frysinger # # Copying and distribution of this file, with or without modification, are # permitted in any medium without royalty provided the copyright notice # and this notice are preserved. This file is offered as-is, without any # warranty. #serial 2 AC_DEFUN([AX_REQUIRE_DEFINED], [dnl m4_ifndef([$1], [m4_fatal([macro ]$1[ is not defined; is a m4 file missing?])]) ])dnl AX_REQUIRE_DEFINED sndfile-tools-1.5/man/000077500000000000000000000000001400553006000147055ustar00rootroot00000000000000sndfile-tools-1.5/man/sndfile-generate-chirp.1000066400000000000000000000015561400553006000213150ustar00rootroot00000000000000.TH SNDFILE-GENERATE-CHIRP 1 "December 14, 2009" .SH NAME sndfile-generate-chirp \- generate a sound file containing a chirp .SH SYNOPSIS .B sndfile-generate-chirp .RI "[options] " .SH DESCRIPTION sndfile-generate-chirp generates a sound file containing a sine wave that sweeps from a low starting frequency to a higher ending frequency (ie a chirp). The file is written using libsndfile (http://www.mega-nerd.com/libsndfile/). .LP The parameters allows the start and end sine wave frequencies to be set as well as specifying the shape of the sweep (ie linear, quadratic or logarithmic). Run "sndfile\-generate-chirp \-\-help" for more information. .LP The format of the output file is determined by the filename extension of the output file. .SH AUTHOR This manual page was written by Erik de Castro Lopo . sndfile-tools-1.5/man/sndfile-jackplay.1000066400000000000000000000007631400553006000202150ustar00rootroot00000000000000.TH SNDFILE-JACKPLAY 1 "October 5, 2009" .SH NAME sndfile-jackplay \- play a sound file via the JACK sound server .SH SYNOPSIS .B sndfile-jackplay .RI "[options] " .SH DESCRIPTION sndfile-jackplay plays the specified sound file via the JACK sound server. It uses libsndfile (http://www.mega-nerd.com/libsndfile/) to read the file. .LP Run "sndfile-jackplay --help" for information about the options. .SH AUTHOR This manual page was written by Erik de Castro Lopo . sndfile-tools-1.5/man/sndfile-mix-to-mono.1000066400000000000000000000012701400553006000205740ustar00rootroot00000000000000.TH SNDFILE-MIX-TO-MONO 1 "December 14, 2009" .SH NAME sndfile-mix-to-mono \- mix a multi\-channel sound file to mono .SH SYNOPSIS .B sndfile-mix-to-mono .RI " " .SH DESCRIPTION sndfile\-mix\-to\-mono reads a multi\-channel input file and writes a single channel output file consisting of all of the input channels mixed together (like a audio mixing desk would do). The input and output files are read/written using libsndfile (http://www.mega\-nerd.com/libsndfile/). .LP The format of the output file is determined by the filename extension of the output file. .SH AUTHOR This manual page was written by Erik de Castro Lopo . sndfile-tools-1.5/man/sndfile-resample.1000066400000000000000000000024711400553006000202250ustar00rootroot00000000000000.Dd October 9, 2016 .Dt SNDFILE-RESAMPLE 1 .Os .Sh NAME .Nm sndfile-resample .Nd sample rate converter .Sh SYNOPSIS .Nm .Op Fl c Ar number .Fl to Ar rate .Ar input .Ar output .Nm .Op Fl c Ar number .Fl by Ar ratio .Ar input .Ar output .Sh DESCRIPTION .Nm is a sample rate converter using libsndfile for file I/O and Secret Rabbit Code (aka libsamplerate) for performing the conversion. It works on any file format supported by libsndfile with any number of channels (limited only by host memory). .Pp The options are as follows: .Bl -tag -width converter .It Fl c Ar number Choose the converter type from the following list: .Bl -tag -width x -compact .It 0 Best Sinc Interpolator .It 1 Medium Sinc Interpolator (default) .It 2 Fastest Sinc Interpolator .It 3 ZOH Interpolator .It 4 Linear Interpolator .El .It Fl to Ar rate Convert to the specified sample .Ar rate . .It Fl by Ar ratio Change the sample rate by the given .Ar ratio , which can be any positive real; the resulting rate is floored to an integer. For instance, changing the rate of 44100 by a factor of 1.3333 results in a sample rate of 58798. .It Fl -no-normalize Disable clipping check and normalization. .El .Sh SEE ALSO .Lk http://www.mega-nerd.com/libsndfile/ .Lk http://www.mega-nerd.com/libsamplerate/ .Sh AUTHORS .An Erik de Castro Lopo Aq Mt erikd@mega-nerd.com sndfile-tools-1.5/man/sndfile-spectrogram.1000066400000000000000000000016401400553006000207400ustar00rootroot00000000000000.TH SNDFILE-SPECTROGRAM 1 "December 14, 2009" .SH NAME sndfile-spectrogram \- generate a spectrogram from an input sound file .SH SYNOPSIS .B sndfile-spectrogram .RI "[options] " .SH DESCRIPTION sndfile\-spectrogram reads a single channel sound file and generates a spectrogram which is written to a PNG file with specified image height and width. .LP The optional parameters allow the user to specify the dynamic range of the spectrogram plot and/or to disable the drawing of borders, scales, heat map and title. Run "sndfile\-spectrogram \-\-help" for more information. .LP The input file is read using libsndfile (http://www.mega\-nerd.com/libsndfile/), the spectrogram is calculated with the help of libfftw and the spectrogram is rendered and written to the output file using libcairo. .SH AUTHOR This manual page was written by Erik de Castro Lopo . sndfile-tools-1.5/man/sndfile-waveform.1000066400000000000000000000070641400553006000202460ustar00rootroot00000000000000.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.47.17. .TH SNDFILE-WAVEFORM "1" "January 2021" "sndfile-waveform 1.5" "User Commands" .SH NAME sndfile-waveform \- manual page for sndfile-waveform 1.5 .SH SYNOPSIS .B sndfile-waveform [\fI\,OPTION\/\fR] \fI\, \/\fR .SH DESCRIPTION sndfile\-waveform \- waveform image generator .PP Creates a PNG image depicting the wave\-form of an audio file. Peak\-signal and RMS values can be displayed in the same plot, where the horizontal axis always represents time. .PP The vertical axis can be plotted logarithmically, and the signal can optionally be rectified. .PP The Time\-axis annotation unit is either seconds, audio\-frames or timecode using broadcast\-wave time reference meta\-data. .PP The tool can plot individual channels, reduce the file to mono, or plot all channels in vertically arrangement. .PP Colours (ARGB) and image\- or waveform geometry can be freely specified. .SH OPTIONS .TP \fB\-A\fR, \fB\-\-textcolour\fR specify text and border colour; default 0xffffffff all colours as hexadecimal AA RR GG BB values .TP \fB\-b\fR, \fB\-\-border\fR display a border with annotations .TP \fB\-B\fR, \fB\-\-background\fR specify background colour; default 0x8099999f .TP \fB\-c\fR, \fB\-\-channel\fR choose channel (s) to plot, 0: merge to mono; < 0: render all channels vertically separated; > 0: render only specified channel. (default: 0) .TP \fB\-C\fR, \fB\-\-centerline\fR set colour of zero/center line (default 0x4cffffff) .TP \fB\-F\fR, \fB\-\-foreground\fR specify foreground colour; default 0xff333333 .TP \fB\-g\fR x, \fB\-\-geometry\fR x specify the size of the image to create default: 800x192 .TP \fB\-G\fR, \fB\-\-borderbg\fR specify border/annotation background colour; default 0xb3ffffff .TP \fB\-h\fR, \fB\-\-help\fR display this help and exit .TP \fB\-l\fR, \fB\-\-logscale\fR use logarithmic scale .TP \fB\-\-no\-peak\fR only draw RMS signal using foreground colour .TP \fB\-\-no\-rms\fR only draw signal peaks (exclusive with \fB\-\-no\-peak\fR). .TP \fB\-r\fR, \fB\-\-rectified\fR rectify waveform .TP \fB\-R\fR, \fB\-\-rmscolour\fR specify RMS colour; default 0xffb3b3b3 .TP \fB\-s\fR, \fB\-\-gainscale\fR zoom into y\-axis, map max signal to height. .TP \fB\-S\fR, \fB\-\-separator\fR vertically separate channels by N pixels (default: 12) \- only used with \fB\-c\fR \fB\-1\fR .TP \fB\-t\fR [/], \fB\-\-timecode\fR [/] use timecode instead of seconds for x\-axis; The numerator must be set, the denominator defaults to 1 if omitted. If the value is negative, audio\-frames are used. .TP \fB\-T\fR override the BWF time\-reference (if any); the offset is specified in audio\-frames and only used with timecode (\fB\-t\fR) annotation. .TP \fB\-O\fR, \fB\-\-border\-width\fR change outer border width default: 1.0 .TP \fB\-V\fR, \fB\-\-version\fR output version information and exit .TP \fB\-W\fR, \fB\-\-wavesize\fR given geometry applies to the plain wave\-form. image height depends on number of channels. border\-sizes are added to width and height. .SH "REPORTING BUGS" Report bugs to . .br Website and manual: .br Example images: .SH COPYRIGHT Copyright \(co 2007\-2012 Erik de Castro Lopo Written 2011,2012 by Robin Gareus .PP .br This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. sndfile-tools-1.5/src/000077500000000000000000000000001400553006000147215ustar00rootroot00000000000000sndfile-tools-1.5/src/common.c000066400000000000000000000045731400553006000163660ustar00rootroot00000000000000/* ** Copyright (C) 2007-2015 Erik de Castro Lopo ** ** This program is free software: you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by ** the Free Software Foundation, either version 2 or version 3 of the ** License. ** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program. If not, see . */ #include "config.h" #include #include #include #include #include #include "common.h" /* Global. */ const char *font_family = "DejaVu Sans Mono" ; sf_count_t sfx_mix_mono_read_double (SNDFILE * file, double * data, sf_count_t datalen) { SF_INFO info ; sf_command (file, SFC_GET_CURRENT_SF_INFO, &info, sizeof (info)) ; if (info.channels == 1) return sf_read_double (file, data, datalen) ; static double multi_data [2048] ; int k, ch, frames_read ; sf_count_t dataout = 0 ; while (dataout < datalen) { int this_read ; this_read = MIN (ARRAY_LEN (multi_data) / info.channels, datalen - dataout) ; frames_read = sf_readf_double (file, multi_data, this_read) ; if (frames_read == 0) break ; for (k = 0 ; k < frames_read ; k++) { double mix = 0.0 ; for (ch = 0 ; ch < info.channels ; ch++) mix += multi_data [k * info.channels + ch] ; data [dataout + k] = mix / info.channels ; } ; dataout += frames_read ; } ; return dataout ; } /* sfx_mix_mono_read_double */ int parse_int_or_die (const char * input, const char * value_name) { char * endptr ; long value = strtol (input, &endptr, 10) ; if (endptr == input || endptr [0] != 0 || value >= INT_MAX) { fprintf (stderr, "Error : Can't parse int value %s : %s\n", value_name, input) ; exit (1) ; } ; return value ; } /* parse_int_or_die */ double parse_double_or_die (const char * input, const char * value_name) { char * endptr ; double value = strtod (input, &endptr) ; if (endptr == input || endptr [0] != 0) { fprintf (stderr, "Error : Can't parse double value %s : %s\n", value_name, input) ; exit (1) ; } ; return value ; } /* parse_double_or_die */ sndfile-tools-1.5/src/common.h000066400000000000000000000030601400553006000163610ustar00rootroot00000000000000/* ** Copyright (C) 2007-2015 Erik de Castro Lopo ** ** This program is free software: you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by ** the Free Software Foundation, either version 2 or version 3 of the ** License. ** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program. If not, see . */ #include #define ARRAY_LEN(x) ((int) (sizeof (x) / sizeof (x [0]))) #define MAX(x, y) ((x) > (y) ? (x) : (y)) #define MIN(x, y) ((x) < (y) ? (x) : (y)) /* ** Inspiration : http://sourcefrog.net/weblog/software/languages/C/unused.html */ #ifdef UNUSED #elif defined (__GNUC__) # define UNUSED(x) UNUSED_ ## x __attribute__ ((unused)) #elif defined (__LCLINT__) # define UNUSED(x) /*@unused@*/ x #else # define UNUSED(x) x #endif #ifdef __GNUC__ # define WARN_UNUSED __attribute__ ((warn_unused_result)) #else # define WARN_UNUSED #endif typedef struct { double r ; double i ; } complex_t ; extern const char * font_family ; sf_count_t sfx_mix_mono_read_double (SNDFILE * file, double * data, sf_count_t datalen) ; int parse_int_or_die (const char * input, const char * value_name) ; double parse_double_or_die (const char * input, const char * value_name) ; sndfile-tools-1.5/src/generate-chirp.c000066400000000000000000000207361400553006000177720ustar00rootroot00000000000000/* ** Copyright (C) 2007-2015 Erik de Castro Lopo ** ** This program is free software: you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by ** the Free Software Foundation, either version 2 or version 3 of the ** License. ** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program. If not, see . */ /* Generate a sound file containing a chirp */ #include #include #include #include #include "common.h" #include typedef double (*freq_func_t) (double w0, double w1, double total_length) ; typedef struct { double amplitude ; int samplerate, format ; double start_freq, end_freq, seconds ; freq_func_t sweep_func ; } PARAMS ; static void usage_exit (const char * argv0) ; static void check_int_range (const char * name, int value, int lower, int upper) ; static void check_double_range (const char * name, double value, double lower, double upper) ; static freq_func_t parse_sweep_type (const char * name) ; static int guess_major_format (const char * filename) ; static void generate_file (const char * filename, const PARAMS * params) ; int main (int argc, char * argv []) { PARAMS params = { 1.0, -1, -1, 0, 0, 0, NULL } ; const char * filename ; int k ; if (argc < 4) usage_exit (argv [0]) ; for (k = 1 ; k < argc - 3 ; k++) { if (strcmp (argv [k], "-from") == 0) { k++ ; params.start_freq = parse_double_or_die (argv [k], "from frequency") ; continue ; } ; if (strcmp (argv [k], "-to") == 0) { k++ ; params.end_freq = parse_double_or_die (argv [k], "to frequency") ; continue ; } ; if (strcmp (argv [k], "-amp") == 0) { k++ ; params.amplitude = strtod (argv [k], NULL) ; continue ; } ; if (argv [k][0] == '-') { params.sweep_func = parse_sweep_type (argv [k]) ; continue ; } ; printf ("\nUnknown option '%s'.\n\n", argv [k]) ; exit (1) ; } ; params.samplerate = parse_int_or_die (argv [argc - 3], "sample rate") ; params.seconds = parse_double_or_die (argv [argc - 2], "seconds") ; filename = argv [argc - 1] ; check_int_range ("sample rate", params.samplerate, 1000, 200 * 1000) ; check_double_range ("seconds", params.seconds, 0.1, 100.0) ; if (params.sweep_func == NULL) params.sweep_func = parse_sweep_type ("-log") ; if (params.start_freq <= 0.0) params.start_freq = 100.0 ; if (params.end_freq <= 0.0) params.end_freq = params.samplerate / 2.0 - 100.0 ; if (params.end_freq <= params.start_freq) { printf ("\nError : end frequency %g < start frequency %g.\n\n", params.end_freq, params.start_freq) ; exit (1) ; } ; params.format = guess_major_format (filename) | SF_FORMAT_FLOAT ; generate_file (filename, ¶ms) ; return 0 ; } /* main */ /*============================================================================== */ static void usage_exit (const char * argv0) { const char * progname ; progname = strrchr (argv0, '/') ; progname = (progname == NULL) ? argv0 : progname + 1 ; puts ("\nCreate a sound file containing a swept sine wave (ie a chirp).") ; printf ("\nUsage :\n\n %s [options] \n\n", progname) ; puts ( " Options include:\n\n" " -from Sweep start frequency in Hz (default 200Hz).\n" " -to Sweep end frequency in Hz (default fs/2).\n" " -amp Amplitude of generated sine (default 1.0).\n" " One of (default -log):\n" " -log logarithmic sweep\n" " -quad quadratic sweep\n" " -linear linear sweep\n" "\n" " The parameter can be a decimal like 1.5.\n" ) ; puts ( " The output file will contain floating point samples in the range [-1.0, 1.0].\n" " The output file type is determined by the file name extension which should be one\n" " of 'wav', 'aifc', 'aif', 'aiff', 'au', 'caf' and 'w64'.\n" ) ; exit (0) ; } /* usage_exit */ static void check_int_range (const char * name, int value, int lower, int upper) { if (value < lower || value > upper) { printf ("Error : '%s' parameter must be in range [%d, %d]\n", name, lower, upper) ; exit (1) ; } ; } /* check_int_range */ static void check_double_range (const char * name, double value, double lower, double upper) { if (value < lower || value > upper) { printf ("Error : '%s' parameter must be in range [%.1f, %.1f]\n", name, lower, upper) ; exit (1) ; } ; } /* check_double_range */ static void write_chirp (SNDFILE * file, int samplerate, double seconds, double amp, double w0, double w1, freq_func_t sweep_func) { double instantaneous_w, current_phase ; float * data ; int total_samples, k ; total_samples = lrint (seconds * samplerate) ; data = malloc (total_samples * sizeof (data [0])) ; if (data == NULL) { printf ("\nError : malloc failed : %s\n", strerror (errno)) ; exit (1) ; } ; current_phase = 0.0 ; instantaneous_w = w0 ; printf ("Start frequency : %8.1f Hz (%f rad/sec)\n", instantaneous_w * samplerate / (2.0 * M_PI), instantaneous_w) ; for (k = 0 ; k < total_samples ; k++) { data [k] = amp * sin (current_phase) ; instantaneous_w = sweep_func (w0, w1, (1.0 * k) / total_samples) ; current_phase = fmod (current_phase + instantaneous_w, 2.0 * M_PI) ; } ; sf_write_float (file, data, total_samples) ; printf ("End frequency : %8.1f Hz (%f rad/sec)\n", instantaneous_w * samplerate / (2.0 * M_PI), instantaneous_w) ; free (data) ; } /* write_chirp */ static void generate_file (const char * filename, const PARAMS * params) { char buffer [1024] ; SNDFILE * file ; SF_INFO info ; double w0, w1 ; memset (&info, 0, sizeof (info)) ; info.format = params->format ; info.samplerate = params->samplerate ; info.channels = 1 ; file = sf_open (filename, SFM_WRITE, &info) ; if (file == NULL) { printf ("\nError : Not able to create file named '%s' : %s/\n", filename, sf_strerror (NULL)) ; exit (1) ; } ; sf_set_string (file, SF_STR_TITLE, "Logarithmic chirp signal") ; snprintf (buffer, sizeof (buffer), "start_freq : %g Hz end_freq : %g Hz amplitude : %g", params->start_freq, params->end_freq, params->amplitude) ; sf_set_string (file, SF_STR_COMMENT, buffer) ; sf_set_string (file, SF_STR_SOFTWARE, "sndfile-generate-chirp") ; sf_set_string (file, SF_STR_COPYRIGHT, "No copyright.") ; w0 = 2.0 * M_PI * params->start_freq / params->samplerate ; w1 = 2.0 * M_PI * params->end_freq / params->samplerate ; write_chirp (file, params->samplerate, params->seconds, params->amplitude, w0, w1, params->sweep_func) ; sf_close (file) ; } /* generate_file */ static double log_freq_func (double w0, double w1, double indx) { return pow (10.0, log10 (w0) + (log10 (w1) - log10 (w0)) * indx) ; } /* log_freq_func */ static double quad_freq_func (double w0, double w1, double indx) { return w0 + (w1 - w0) * indx * indx ; } /* log_freq_func */ static double linear_freq_func (double w0, double w1, double indx) { return w0 + (w1 - w0) * indx ; } /* linear_freq_func */ static freq_func_t parse_sweep_type (const char * name) { if (strcmp (name, "-log") == 0) return log_freq_func ; if (strcmp (name, "-quad") == 0) return quad_freq_func ; if (strcmp (name, "-linear") == 0) return linear_freq_func ; printf ("\nError : Bad sweep type. Should be one of '-log', '-quad' and '-linear'.\n\n") ; exit (1) ; return NULL ; } /* parse_sweep_type */ static int guess_major_format (const char * filename) { const char * ext ; ext = strrchr (filename, '.') ; if (ext == NULL) { printf ("\nError : cannot figure out file type from file name '%s'.\n\n", filename) ; exit (1) ; } ; if (strcasecmp (ext, ".wav") == 0) return SF_FORMAT_WAV ; if (strcasecmp (ext, ".aif") == 0 || strcasecmp (ext, ".aiff") == 0 || strcasecmp (ext, ".aifc") == 0) return SF_FORMAT_AIFF ; if (strcasecmp (ext, ".au") == 0) return SF_FORMAT_AU ; if (strcasecmp (ext, ".caf") == 0) return SF_FORMAT_CAF ; if (strcasecmp (ext, ".w64") == 0) return SF_FORMAT_W64 ; printf ("\nError : Can only generate files with extensions 'wav', 'aifc', 'aiff', 'aif', 'au', 'w64' and 'caf'.\n\n") ; exit (1) ; return 0 ; } /* guess_major_format */ sndfile-tools-1.5/src/jackplay.c000066400000000000000000000275341400553006000166760ustar00rootroot00000000000000/* ** Copyright (C) 2007-2016 Erik de Castro Lopo ** Copyright (C) 2014 Alexander Regueiro ** Copyright (C) 2013 elboulangero ** Copyright (C) 2007 Jonatan Liljedahl ** ** This program is free software ; you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by ** the Free Software Foundation ; either version 2 of the License, or ** (at your option) any later version. ** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY ; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program ; if not, write to the Free Software ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "src/config.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define RB_SIZE (1 << 16) #define SAMPLE_SIZE (sizeof (jack_default_audio_sample_t)) #define NOT(x) (! (x)) typedef struct { jack_client_t *client ; jack_ringbuffer_t *ringbuf ; jack_nframes_t pos ; jack_default_audio_sample_t ** outs ; jack_port_t ** output_port ; SNDFILE *sndfile ; unsigned int channels ; unsigned int samplerate ; volatile int can_process ; volatile int read_done ; volatile unsigned int loop_count ; volatile unsigned int current_loop ; } thread_info_t ; static pthread_mutex_t disk_thread_lock = PTHREAD_MUTEX_INITIALIZER ; static pthread_cond_t data_ready = PTHREAD_COND_INITIALIZER ; static volatile int play_done = 0 ; static void close_signal_handler (int sig) { (void) sig ; play_done = 1 ; } static int process_callback (jack_nframes_t nframes, void * arg) { thread_info_t *info = (thread_info_t *) arg ; jack_default_audio_sample_t buf [info->channels] ; unsigned i, n ; for (n = 0 ; n < info->channels ; n++) info->outs [n] = jack_port_get_buffer (info->output_port [n], nframes) ; if (play_done || NOT (info->can_process)) { /* output silence */ for (n = 0 ; n < info->channels ; n++) memset (info->outs [n], 0, sizeof (float) * nframes) ; return 0 ; } ; for (i = 0 ; i < nframes ; i++) { size_t read_count ; /* Read one frame of audio. */ read_count = jack_ringbuffer_read (info->ringbuf, (void *) buf, SAMPLE_SIZE * info->channels) ; if (read_count == 0 && info->read_done) { /* File is done, so stop the main loop. */ play_done = 1 ; /* Silence the rest of the audio buffer. */ for (n = 0 ; n < info->channels ; n++) info->outs [n][i] = 0.0f ; return 0 ; } ; /* Update play-position counter. */ info->pos += read_count / (SAMPLE_SIZE * info->channels) ; /* Output each channel of the frame. */ for (n = 0 ; n < info->channels ; n++) info->outs [n][i] = buf [n] ; } ; /* Wake up the disk thread to read more data. */ if (pthread_mutex_trylock (&disk_thread_lock) == 0) { pthread_cond_signal (&data_ready) ; pthread_mutex_unlock (&disk_thread_lock) ; } ; return 0 ; } /* process_callback */ /* ** This seemingly needless memcpy-ing is needed because the `buf` field of ** `jack_ringbuffer_data_t` is a `char*` and may not have the correct alignment ** for the `float` data read from the file. */ static sf_count_t fill_jack_buffer (thread_info_t *info, jack_ringbuffer_data_t * vec) { sf_count_t frame_count = vec->len / sizeof (float) / info->channels ; sf_count_t buffer_frames ; static float buf [1 << 16] ; buffer_frames = ARRAY_LEN (buf) / info->channels ; frame_count = frame_count < buffer_frames ? frame_count : buffer_frames ; frame_count = sf_readf_float (info->sndfile, buf, frame_count) ; memcpy (vec->buf, buf, frame_count * info->channels * sizeof (buf [0])) ; return frame_count ; } /* fill_jack_buffer */ static void * disk_thread (void *arg) { thread_info_t *info = (thread_info_t *) arg ; sf_count_t read_frames ; jack_ringbuffer_data_t vec [2] ; size_t bytes_per_frame = SAMPLE_SIZE * info->channels ; pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, NULL) ; pthread_mutex_lock (&disk_thread_lock) ; while (NOT (play_done)) { /* `vec` is *always* a two element array. See: ** http://jackaudio.org/files/docs/html/ringbuffer_8h.html */ jack_ringbuffer_get_write_vector (info->ringbuf, vec) ; read_frames = 0 ; if (vec [0].len) { /* Fill the first part of the ringbuffer. */ read_frames = fill_jack_buffer (info, vec) ; if (vec [1].len) { /* Fill the second part of the ringbuffer? */ read_frames += fill_jack_buffer (info, vec + 1) ; } ; } ; if (read_frames == 0) { info->current_loop ++ ; if (info->loop_count >= 1 && info->current_loop >= info->loop_count) break ; /* end of file? */ sf_seek (info->sndfile, 0, SEEK_SET) ; continue ; } jack_ringbuffer_write_advance (info->ringbuf, read_frames * bytes_per_frame) ; /* Tell process_callback that we've filled the ringbuffer. */ info->can_process = 1 ; /* Wait for the process_callback thread to wake us up. */ pthread_cond_wait (&data_ready, &disk_thread_lock) ; } ; /* Tell that we're done reading the file. */ info->read_done = 1 ; pthread_mutex_unlock (&disk_thread_lock) ; return NULL ; } /* disk_thread */ static void jack_shutdown (void *arg) { (void) arg ; exit (1) ; } /* jack_shutdown */ static inline void print_time (jack_nframes_t pos, int jack_sr) { float sec = pos / (1.0 * jack_sr) ; int min = sec / 60.0 ; fprintf (stderr, "%02d:%05.2f", min, fmod (sec, 60.0)) ; } /* print_time */ static inline void print_status (const thread_info_t * info) { if (info->loop_count == 0) fprintf (stderr, "\r-> %6d ", info->current_loop) ; else if (info->loop_count > 1) fprintf (stderr, "\r-> %6d/%d ", info->current_loop, info->loop_count) ; else fprintf (stderr, "\r-> ") ; print_time (info->pos, info->samplerate) ; fflush (stdout) ; } /* print_status */ static void usage_exit (char * argv0, int status) { printf ("\n" "Usage : %s [options] \n" "\n" " Where [options] is one of:\n" "\n" " -w --wait[=] : Wait for input before starting playback; optionally auto-connect to using Jack.\n" " -a --autoconnect= : Auto-connect to using Jack.\n" " -l --loop= : Loop the file times (0 for infinite).\n" " -h --help : Show this help message.\n" "\n" "Using %s.\n" "\n", basename (argv0), sf_version_string ()) ; exit (status) ; } /* usage_exit */ static struct option const long_options [] = { { "wait", optional_argument, NULL, 'w' } , { "autoconnect", required_argument, NULL, 'a' } , { "loop", required_argument, NULL, 'l' } , { "help", no_argument, NULL, 'h' } , { NULL, 0, NULL, 0 } } ; int main (int argc, char * argv []) { pthread_t thread_id ; SNDFILE *sndfile ; SF_INFO sfinfo ; const char * filename ; jack_client_t *client ; jack_status_t status = 0 ; thread_info_t info ; char * auto_connect_str = "system:playback_%d" ; bool wait_before_play = false ; int i, jack_sr, loop_count = 1 ; int c ; /* Parse options */ while ((c = getopt_long (argc, argv, "w::" /* --wait */ "a::" /* --autoconnect */ "l:" /* --loop */ "h", /* --help */ long_options, NULL)) != EOF) { if (optarg != NULL && optarg [0] == '=') { optarg++ ; } switch (c) { case 'w' : wait_before_play = true ; auto_connect_str = optarg ; break ; case 'a' : auto_connect_str = optarg ; break ; case 'l' : loop_count = strtol (optarg, NULL, 10) ; break ; case 'h' : usage_exit (argv [0], EXIT_SUCCESS) ; break ; default : usage_exit (argv [0], EXIT_FAILURE) ; } ; } if (argc - optind != 1) usage_exit (argv [0], EXIT_FAILURE) ; filename = argv [optind] ; /* Create jack client */ if ((client = jack_client_open ("jackplay", JackNullOption | JackNoStartServer, &status)) == 0) { if (status & JackServerFailed) fprintf (stderr, "Unable to connect to JACK server\n") ; else fprintf (stderr, "jack_client_open () failed, status = 0x%2.0x\n", status) ; exit (1) ; } ; if (status & JackServerStarted) fprintf (stderr, "JACK server started\n") ; if (status & JackNameNotUnique) { const char * client_name = jack_get_client_name (client) ; fprintf (stderr, "Unique name `%s' assigned\n", client_name) ; } ; /* Open the soundfile. */ memset (&sfinfo, 0, sizeof (sfinfo)) ; sndfile = sf_open (filename, SFM_READ, &sfinfo) ; if (sndfile == NULL) { fprintf (stderr, "Could not open soundfile '%s'\n", filename) ; return 1 ; } ; fprintf (stderr, "Channels : %d\nSample rate : %d Hz\nDuration : ", sfinfo.channels, sfinfo.samplerate) ; print_time (loop_count * sfinfo.frames, sfinfo.samplerate) ; fprintf (stderr, "\n") ; if (loop_count < 1) fprintf (stderr, "Loop count : infinite\n") ; else if (loop_count > 1) fprintf (stderr, "Loop count : %d\n", loop_count) ; jack_sr = jack_get_sample_rate (client) ; if (sfinfo.samplerate != jack_sr) fprintf (stderr, "Warning: samplerate of soundfile (%d Hz) does not match jack server (%d Hz).\n", sfinfo.samplerate, jack_sr) ; struct sigaction sig ; memset (&sig, 0, sizeof (sig)) ; sig.sa_handler = close_signal_handler ; sig.sa_flags = SA_RESTART ; sigemptyset (&sig.sa_mask) ; sigaction (SIGINT, &sig, NULL) ; sigaction (SIGTERM, &sig, NULL) ; /* Init the thread info struct. */ memset (&info, 0, sizeof (info)) ; info.can_process = 0 ; info.read_done = 0 ; info.sndfile = sndfile ; info.channels = sfinfo.channels ; info.samplerate = jack_sr ; info.client = client ; info.pos = 0 ; info.current_loop = 0 ; info.loop_count = loop_count ; /* Allocate output ports. */ info.output_port = calloc (sfinfo.channels, sizeof (jack_port_t *)) ; info.outs = calloc (sfinfo.channels, sizeof (jack_default_audio_sample_t *)) ; for (i = 0 ; i < sfinfo.channels ; i++) { char name [16] ; snprintf (name, sizeof (name), "out_%d", i + 1) ; info.output_port [i] = jack_port_register (client, name, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0) ; } ; /* Allocate and clear ringbuffer. */ info.ringbuf = jack_ringbuffer_create (sizeof (jack_default_audio_sample_t) * RB_SIZE) ; memset (info.ringbuf->buf, 0, info.ringbuf->size) ; /* Set up callbacks. */ jack_set_process_callback (client, process_callback, &info) ; jack_on_shutdown (client, jack_shutdown, 0) ; /* Activate client. */ if (jack_activate (client)) { fprintf (stderr, "Cannot activate client.\n") ; return 1 ; } ; if (auto_connect_str != NULL) { /* Auto-connect all channels. */ for (i = 0 ; i < sfinfo.channels ; i++) { char name [64] ; snprintf (name, sizeof (name), auto_connect_str, i + 1) ; if (jack_connect (client, jack_port_name (info.output_port [i]), name)) fprintf (stderr, "Cannot connect output port %d (%s).\n", i, name) ; } ; } if (wait_before_play) { /* Wait for key press before playing. */ printf ("Press key to start playing...") ; getchar () ; } /* Start the disk thread. */ pthread_create (&thread_id, NULL, disk_thread, &info) ; /* Sit in a loop, displaying the current play position. */ while (NOT (play_done)) { print_status (&info) ; usleep (10000) ; } ; jack_deactivate (client) ; pthread_cond_signal (&data_ready) ; pthread_join (thread_id, NULL) ; print_status (&info) ; /* Clean up. */ for (i = 0 ; i < sfinfo.channels ; i++) jack_port_unregister (client, info.output_port [i]) ; jack_ringbuffer_free (info.ringbuf) ; jack_client_close (client) ; free (info.output_port) ; free (info.outs) ; sf_close (sndfile) ; puts ("") ; return 0 ; } /* main */ sndfile-tools-1.5/src/mix-to-mono.c000066400000000000000000000045401400553006000172530ustar00rootroot00000000000000/* ** Copyright (C) 2007-2011 Erik de Castro Lopo ** ** This program is free software: you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by ** the Free Software Foundation, either version 2 or version 3 of the ** License. ** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program. If not, see . */ #include #include #include #include #include "common.h" static void usage_exit (void) ; static void mix_to_mono (SNDFILE * infile, SNDFILE * outfile) ; int main (int argc, char ** argv) { SNDFILE *infile, *outfile ; SF_INFO sfinfo ; if (argc != 3) usage_exit () ; if (strcmp (argv [argc - 2], argv [argc - 1]) == 0) { printf ("Error : input and output file names are the same.\n") ; exit (1) ; } ; memset (&sfinfo, 0, sizeof (sfinfo)) ; if ((infile = sf_open (argv [argc - 2], SFM_READ, &sfinfo)) == NULL) { printf ("Error : Not able to open input file '%s'\n", argv [argc - 2]) ; sf_close (infile) ; exit (1) ; } ; if (sfinfo.channels == 1) { printf ("Input file '%s' already mono. Exiting.\n", argv [argc - 2]) ; sf_close (infile) ; exit (0) ; } ; /* Force output channels to mono. */ sfinfo.channels = 1 ; if ((outfile = sf_open (argv [argc - 1], SFM_WRITE, &sfinfo)) == NULL) { printf ("Error : Not able to open output file '%s'\n", argv [argc - 1]) ; sf_close (infile) ; exit (1) ; } ; /* Delete the output file length to zero if already exists. */ remove (argv [argc - 1]) ; mix_to_mono (infile, outfile) ; sf_close (infile) ; sf_close (outfile) ; return 0 ; } /* main */ static void mix_to_mono (SNDFILE * infile, SNDFILE * outfile) { double buffer [1024] ; sf_count_t count ; while ((count = sfx_mix_mono_read_double (infile, buffer, ARRAY_LEN (buffer))) > 0) sf_write_double (outfile, buffer, count) ; return ; } /* mix_to_mono */ static void usage_exit (void) { puts ("\n" "Usage :\n\n" " sndfile-mix-to-mono \n" ) ; exit (0) ; } /* usage_exit */ sndfile-tools-1.5/src/resample.c000066400000000000000000000240621400553006000167010ustar00rootroot00000000000000/* ** Copyright (c) 2002-2020, Erik de Castro Lopo ** All rights reserved. ** ** This code is released under 2-clause BSD license. Please see the ** file at : https://github.com/erikd/libsamplerate/blob/master/COPYING */ #include "config.h" #include #include #include #include #include #include "common.h" #include #include #define DEFAULT_CONVERTER SRC_SINC_MEDIUM_QUALITY #define BUFFER_LEN 4096 /*-(1<<16)-*/ static void usage_exit (const char *progname) ; static sf_count_t sample_rate_convert (SNDFILE *infile, SNDFILE *outfile, int converter, double src_ratio, int channels, double * gain, int normalize, sf_count_t nframes) ; static double apply_gain (float * data, long frames, int channels, double max, double gain) ; int main (int argc, char *argv []) { SNDFILE *infile, *outfile = NULL ; SF_INFO sfinfo ; sf_count_t nframes ; int normalize = 1 ; sf_count_t count ; double src_ratio = -1.0, gain = 1.0 ; int new_sample_rate = -1, k, converter, max_speed = SF_FALSE, raw_bits ; char raw_type ; if (argc == 2 && strcmp (argv [1], "--version") == 0) { char buffer [64], *cptr ; if ((cptr = strrchr (argv [0], '/')) != NULL) argv [0] = cptr + 1 ; if ((cptr = strrchr (argv [0], '\\')) != NULL) argv [0] = cptr + 1 ; sf_command (NULL, SFC_GET_LIB_VERSION, buffer, sizeof (buffer)) ; printf ("%s (%s,%s)\n", argv [0], src_get_version (), buffer) ; exit (0) ; } ; if (argc < 5 || argc > 10) usage_exit (argv [0]) ; /* Set default converter. */ converter = DEFAULT_CONVERTER ; for (k = 1 ; k < argc - 2 ; k++) { if (strcmp (argv [k], "--max-speed") == 0) max_speed = SF_TRUE ; else if (strcmp (argv [k], "--no-normalize") == 0) normalize = 0 ; else if (strcmp (argv [k], "-to") == 0) { k ++ ; new_sample_rate = parse_int_or_die (argv [k], "sample rate") ; } else if (strcmp (argv [k], "-by") == 0) { k ++ ; src_ratio = atof (argv [k]) ; } else if (strcmp (argv [k], "-c") == 0) { k ++ ; converter = parse_int_or_die (argv [k], "converter") ; } else if (strcmp (argv [k], "-r") == 0) { k ++ ; if (sscanf (argv [k], "%d,%d,%c,%d", &sfinfo.samplerate, &sfinfo.channels, &raw_type, &raw_bits) != 4) { printf ("Error : unable to decode raw audio parameters.\n") ; usage_exit (argv [0]) ; } sfinfo.format = SF_FORMAT_RAW ; if (raw_type == 'i' && (raw_bits == 8 || raw_bits == 16 || raw_bits == 24 || raw_bits == 32)) { switch (raw_bits) { case 8: sfinfo.format |= SF_FORMAT_PCM_S8 ; break ; case 16: sfinfo.format |= SF_FORMAT_PCM_16 ; break ; case 24: sfinfo.format |= SF_FORMAT_PCM_24 ; break ; case 32: sfinfo.format |= SF_FORMAT_PCM_32 ; break ; default: printf ("Error : PCM bits per sample should be 8, 16, 24 or 32.\n") ; usage_exit (argv [0]) ; } } else if (raw_type == 'f' && (raw_bits == 32 || raw_bits == 64)) { switch (raw_bits) { case 32: sfinfo.format |= SF_FORMAT_FLOAT ; break ; case 64: sfinfo.format |= SF_FORMAT_DOUBLE ; break ; default: printf ("Error : Floating point bits per sample should be 32 or 64.\n") ; usage_exit (argv [0]) ; } } else { printf ("Error : invalid raw audio parameters.\n") ; usage_exit (argv [0]) ; } } else usage_exit (argv [0]) ; } ; if (new_sample_rate <= 0 && src_ratio <= 0.0) usage_exit (argv [0]) ; if (src_get_name (converter) == NULL) { printf ("Error : bad converter number.\n") ; usage_exit (argv [0]) ; } ; if (strcmp (argv [argc - 2], argv [argc - 1]) == 0) { printf ("Error : input and output file names are the same.\n") ; exit (1) ; } ; if ((infile = sf_open (argv [argc - 2], SFM_READ, &sfinfo)) == NULL) { printf ("Error : Not able to open input file '%s'\n", argv [argc - 2]) ; exit (1) ; } ; printf ("Input File : %s\n", argv [argc - 2]) ; printf ("Sample Rate : %d\n", sfinfo.samplerate) ; printf ("Input Frames : %ld\n\n", (long) sfinfo.frames) ; nframes = sfinfo.frames ; if (new_sample_rate > 0) { src_ratio = (1.0 * new_sample_rate) / sfinfo.samplerate ; sfinfo.samplerate = new_sample_rate ; } else if (src_is_valid_ratio (src_ratio)) sfinfo.samplerate = (int) floor (sfinfo.samplerate * src_ratio) ; else { printf ("Not able to determine new sample rate. Exiting.\n") ; sf_close (infile) ; exit (1) ; } ; if (fabs (src_ratio - 1.0) < 1e-20) { printf ("Target samplerate and input samplerate are the same. Exiting.\n") ; sf_close (infile) ; exit (0) ; } ; printf ("SRC Ratio : %f\n", src_ratio) ; printf ("Converter : %s\n\n", src_get_name (converter)) ; if (src_is_valid_ratio (src_ratio) == 0) { printf ("Error : Sample rate change out of valid range.\n") ; sf_close (infile) ; exit (1) ; } ; /* Delete the output file length to zero if already exists. */ remove (argv [argc - 1]) ; printf ("Output File : %s\n", argv [argc - 1]) ; printf ("Sample Rate : %d\n", sfinfo.samplerate) ; do { sf_close (outfile) ; if ((outfile = sf_open (argv [argc - 1], SFM_WRITE, &sfinfo)) == NULL) { printf ("Error : Not able to open output file '%s'\n", argv [argc - 1]) ; sf_close (infile) ; exit (1) ; } ; if (max_speed) { /* This is mainly for the comparison program tests/src-evaluate.c */ sf_command (outfile, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ; } else { /* Update the file header after every write. */ sf_command (outfile, SFC_SET_UPDATE_HEADER_AUTO, NULL, SF_TRUE) ; } ; sf_command (outfile, SFC_SET_CLIPPING, NULL, SF_TRUE) ; count = sample_rate_convert (infile, outfile, converter, src_ratio, sfinfo.channels, &gain, normalize, nframes) ; } while (count < 0) ; printf ("Output Frames : %ld\n\n", (long) count) ; sf_close (infile) ; sf_close (outfile) ; return 0 ; } /* main */ /*============================================================================== */ static sf_count_t sample_rate_convert (SNDFILE *infile, SNDFILE *outfile, int converter, double src_ratio, int channels, double * gain, int normalize, sf_count_t nframes) { static float input [BUFFER_LEN] ; static float output [BUFFER_LEN] ; SRC_STATE *src_state ; SRC_DATA src_data ; int error ; double max = 0.0 ; sf_count_t output_count = 0 ; char anim[4] = "-\\|/" ; short p_anim = 0; sf_seek (infile, 0, SEEK_SET) ; sf_seek (outfile, 0, SEEK_SET) ; /* Initialize the sample rate converter. */ if ((src_state = src_new (converter, channels, &error)) == NULL) { printf ("\n\nError : src_new() failed : %s.\n\n", src_strerror (error)) ; exit (1) ; } ; src_data.end_of_input = 0 ; /* Set this later. */ /* Start with zero to force load in while loop. */ src_data.input_frames = 0 ; src_data.data_in = input ; src_data.src_ratio = src_ratio ; src_data.data_out = output ; src_data.output_frames = BUFFER_LEN /channels ; while (1) { /* If the input buffer is empty, refill it. */ if (src_data.input_frames == 0) { src_data.input_frames = sf_readf_float (infile, input, BUFFER_LEN / channels) ; src_data.data_in = input ; /* The last read will not be a full buffer, so snd_of_input. */ if (src_data.input_frames < BUFFER_LEN / channels) src_data.end_of_input = SF_TRUE ; } ; if ((error = src_process (src_state, &src_data))) { printf ("\nError : %s\n", src_strerror (error)) ; exit (1) ; } ; /* Terminate if done. */ if (src_data.end_of_input && src_data.output_frames_gen == 0) break ; max = apply_gain (src_data.data_out, src_data.output_frames_gen, channels, max, *gain) ; /* Write output. */ sf_writef_float (outfile, output, src_data.output_frames_gen) ; output_count += src_data.output_frames_gen ; src_data.data_in += src_data.input_frames_used * channels ; src_data.input_frames -= src_data.input_frames_used ; nframes-=src_data.input_frames_used; printf(" %c remaining : %19li\r", anim[p_anim], nframes); p_anim=(p_anim + 1) % 4; } ; printf("\n"); src_delete (src_state) ; if (normalize && max > 1.0) { *gain = 1.0 / max ; printf ("\nOutput has clipped. Restarting conversion to prevent clipping.\n\n") ; return -1 ; } ; return output_count ; } /* sample_rate_convert */ static double apply_gain (float * data, long frames, int channels, double max, double gain) { long k ; for (k = 0 ; k < frames * channels ; k++) { data [k] *= gain ; if (fabs (data [k]) > max) max = fabs (data [k]) ; } ; return max ; } /* apply_gain */ static void usage_exit (const char *progname) { char lsf_ver [128] ; const char *cptr ; int k ; if ((cptr = strrchr (progname, '/')) != NULL) progname = cptr + 1 ; if ((cptr = strrchr (progname, '\\')) != NULL) progname = cptr + 1 ; sf_command (NULL, SFC_GET_LIB_VERSION, lsf_ver, sizeof (lsf_ver)) ; printf ("\n" " A Sample Rate Converter using libsndfile for file I/O and Secret \n" " Rabbit Code (aka libsamplerate) for performing the conversion.\n" " It works on any file format supported by libsndfile with any \n" " number of channels (limited only by host memory).\n" "\n" " %s\n" " %s\n" "\n" " Usage : \n" " %s -to [-c ] \n" " %s -by [-c ] \n" "\n", src_get_version (), lsf_ver, progname, progname) ; puts ( " The optional -c argument allows the converter type to be chosen from\n" " the following list :" "\n" ) ; for (k = 0 ; (cptr = src_get_name (k)) != NULL ; k++) printf (" %d : %s%s\n", k, cptr, k == DEFAULT_CONVERTER ? " (default)" : "") ; puts ("\n" " The --no-normalize option disables clipping check and normalization.") ; puts ("\n" " Sound parameters for raw input may be specified using option -r RRRR,C,s,BB\n" " where RRRR is the sample rate, C is the channels number, s is 'i' (as integer)\n" " or 'f' (as float) and BB the bits per sample (8, 16, ...)\n" " Note: when raw audio input is used, then a raw output audio file will be\n" " created as well.") ; puts ("") ; exit (1) ; } /* usage_exit */ sndfile-tools-1.5/src/spectrogram.c000066400000000000000000001020461400553006000174160ustar00rootroot00000000000000/* ** Copyright (C) 2007-2016 Erik de Castro Lopo ** ** This program is free software: you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by ** the Free Software Foundation, either version 2 or version 3 of the ** License. ** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program. If not, see . */ /* ** Generate a spectrogram as a PNG file from a given sound file. */ /* ** Todo: ** - Make magnitude to colour mapper allow abitrary scaling (ie cmdline ** arg). ** - Better cmdline arg parsing and flexibility. */ #include #include #include #include #include #include #include #include #include #include "window.h" #include "common.h" #include "spectrum.h" #define TICK_LEN 6 #define BORDER_LINE_WIDTH 1.8 #define TITLE_FONT_SIZE 20.0 #define NORMAL_FONT_SIZE 12.0 #define LEFT_BORDER 70.0 #define TOP_BORDER 30.0 #define RIGHT_BORDER 75.0 #define BOTTOM_BORDER 40.0 #define SPEC_FLOOR_DB -180.0 typedef struct { const char *sndfilepath, *pngfilepath, *filename ; int width, height ; bool border, log_freq, gray_scale ; double min_freq, max_freq, fft_freq ; enum WINDOW_FUNCTION window_function ; double spec_floor_db ; } RENDER ; typedef struct { int left, top, width, height ; } RECT ; static void get_colour_map_value (float value, double spec_floor_db, unsigned char colour [3], bool gray_scale) { static unsigned char map [][3] = { /* These values were originally calculated for a dynamic range of 180dB. */ { 255, 255, 255 }, /* -0dB */ { 240, 254, 216 }, /* -10dB */ { 242, 251, 185 }, /* -20dB */ { 253, 245, 143 }, /* -30dB */ { 253, 200, 102 }, /* -40dB */ { 252, 144, 66 }, /* -50dB */ { 252, 75, 32 }, /* -60dB */ { 237, 28, 41 }, /* -70dB */ { 214, 3, 64 }, /* -80dB */ { 183, 3, 101 }, /* -90dB */ { 157, 3, 122 }, /* -100dB */ { 122, 3, 126 }, /* -110dB */ { 80, 2, 110 }, /* -120dB */ { 45, 2, 89 }, /* -130dB */ { 19, 2, 70 }, /* -140dB */ { 1, 3, 53 }, /* -150dB */ { 1, 3, 37 }, /* -160dB */ { 1, 2, 19 }, /* -170dB */ { 0, 0, 0 }, /* -180dB */ } ; float rem ; int indx ; if (gray_scale) { /* "value" is a negative value in decibels. * black (0,0,0) is for <= -180.0, and the other 255 values * should cover the range from -180 to 0 evenly. * (value/spec_floor_db) is >=0.0 and <1.0 * because both value and spec_floor_db are negative. * (v/s) * 255.0 goes from 0.0 to 254.9999999 and * floor((v/s) * 255) gives us 0 to 254 * converted to 255 to 1 by subtracting it from 255. */ int gray ; /* The pixel value */ if (value <= spec_floor_db) gray = 0 ; else { gray = 255 - lrint (floor ((value / spec_floor_db) * 255.0)) ; assert (gray >= 1 && gray <= 255) ; } ; colour [0] = colour [1] = colour [2] = gray ; return ; } ; if (value >= 0.0) { colour [0] = colour [1] = colour [2] = 255 ; return ; } ; value = fabs (value * (-180.0 / spec_floor_db) * 0.1) ; indx = lrintf (floor (value)) ; if (indx < 0) { printf ("\nError : colour map array index is %d\n\n", indx) ; exit (1) ; } ; if (indx >= ARRAY_LEN (map) - 1) { colour [0] = colour [1] = colour [2] = 0 ; return ; } ; rem = fmod (value, 1.0) ; colour [0] = lrintf ((1.0 - rem) * map [indx][0] + rem * map [indx + 1][0]) ; colour [1] = lrintf ((1.0 - rem) * map [indx][1] + rem * map [indx + 1][1]) ; colour [2] = lrintf ((1.0 - rem) * map [indx][2] + rem * map [indx + 1][2]) ; return ; } /* get_colour_map_value */ static void read_mono_audio (SNDFILE * file, sf_count_t filelen, double * data, int datalen, int indx, int total) { sf_count_t start ; memset (data, 0, datalen * sizeof (data [0])) ; start = (indx * filelen) / total - datalen / 2 ; if (start >= 0) sf_seek (file, start, SEEK_SET) ; else { start = -start ; sf_seek (file, 0, SEEK_SET) ; data += start ; datalen -= start ; } ; sfx_mix_mono_read_double (file, data, datalen) ; return ; } /* read_mono_audio */ static void render_spectrogram (cairo_surface_t * surface, double spec_floor_db, float **mag2d, double maxval, double left, double top, double width, double height, bool gray_scale) { unsigned char colour [3] = { 0, 0, 0 } ; unsigned char *data ; double linear_spec_floor ; int w, h, stride ; stride = cairo_image_surface_get_stride (surface) ; data = cairo_image_surface_get_data (surface) ; memset (data, 0, stride * cairo_image_surface_get_height (surface)) ; linear_spec_floor = pow (10.0, spec_floor_db / 20.0) ; for (w = 0 ; w < width ; w ++) for (h = 0 ; h < height ; h++) { int x, y ; mag2d [w][h] = mag2d [w][h] / maxval ; mag2d [w][h] = (mag2d [w][h] < linear_spec_floor) ? spec_floor_db : 20.0 * log10 (mag2d [w][h]) ; get_colour_map_value (mag2d [w][h], spec_floor_db, colour, gray_scale) ; y = height + top - 1 - h ; x = (w + left) * 4 ; data [y * stride + x + 0] = colour [2] ; data [y * stride + x + 1] = colour [1] ; data [y * stride + x + 2] = colour [0] ; data [y * stride + x + 3] = 0 ; } ; cairo_surface_mark_dirty (surface) ; } /* render_spectrogram */ static void render_heat_map (cairo_surface_t * surface, double magfloor, const RECT *r, bool gray_scale) { unsigned char colour [3], *data ; int w, h, stride ; stride = cairo_image_surface_get_stride (surface) ; data = cairo_image_surface_get_data (surface) ; for (h = 0 ; h < r->height ; h++) { get_colour_map_value (magfloor * (r->height - h) / (r->height + 1), magfloor, colour, gray_scale) ; for (w = 0 ; w < r->width ; w ++) { int x, y ; x = (w + r->left) * 4 ; y = r->height + r->top - 1 - h ; data [y * stride + x + 0] = colour [2] ; data [y * stride + x + 1] = colour [1] ; data [y * stride + x + 2] = colour [0] ; data [y * stride + x + 3] = 0 ; } ; } ; cairo_surface_mark_dirty (surface) ; } /* render_heat_map */ static inline void x_line (cairo_t * cr, double x, double y, double len) { cairo_move_to (cr, x, y) ; cairo_rel_line_to (cr, len, 0.0) ; cairo_stroke (cr) ; } /* x_line */ static inline void y_line (cairo_t * cr, double x, double y, double len) { cairo_move_to (cr, x, y) ; cairo_rel_line_to (cr, 0.0, len) ; cairo_stroke (cr) ; } /* y_line */ /* The greatest number of linear ticks seems to occurs from 0-14000 (15 ticks). ** The greatest number of log ticks occurs 10-99999 or 11-100000 (35 ticks). ** Search for "worst case" for the commentary below that says why it is 35. */ typedef struct { double value [40] ; /* 35 or more */ double distance [40] ; /* The digit that changes from label to label. ** This ensures that a range from 999 to 1001 prints 999.5 and 1000.5 ** instead of 999 1000 1000 1000 1001. */ int decimal_places_to_print ; } TICKS ; /* Decide where to put ticks and numbers on an axis. ** ** Graph-labelling convention is that the least significant digit that changes ** from one label to the next should change by 1, 2 or 5, so we step by the ** largest suitable value of 10^n * {1, 2 or 5} that gives us the required ** number of divisions / numeric labels. */ /* The old code used to make 6 to 14 divisions and number every other tick. ** What we now mean by "division" is one of teh gaps between numbered segments ** so we ask for a minimum of 3 to give the same effect as the old minimum of ** 6 half-divisions. ** This results in the same axis labelling for all maximum values ** from 0 to 12000 in steps of 1000 and gives sensible results from 13000 on, ** to a maximum of 7 divisions and 8 labels from 0 to 14000. **/ #define TARGET_DIVISIONS 3 /* Value to store in the ticks.value[k] field to mean ** "Put a tick here, but don't print a number." ** NaN (0.0/0.0) is untestable without isnan() so use a random value. */ #define NO_NUMBER (M_PI) /* They're unlikely to hit that! */ /* Is this entry in "ticks" one of the numberless ticks? */ #define JUST_A_TICK(ticks, k) (ticks.value [k] == NO_NUMBER) /* A tolerance to use in floating point < > <= >= comparisons so that ** imprecision doesn't prevent us from printing an initial or final label ** if it should fall exactly on min or max but doesn't due to FP problems. ** For example, for 0-24000, the calculations might give 23999.9999999999. */ #define DELTA (1e-10) static int /* Forward declaration */ calculate_log_ticks (double min, double max, double distance, TICKS * ticks) ; /* log_scale is pseudo-boolean: ** 0 means use a linear scale, ** 1 means use a log scale and ** 2 is an internal value used when calling back from calculate_log_ticks() to ** label the range with linear numbering but logarithmic spacing. */ static int calculate_ticks (double min, double max, double distance, int log_scale, TICKS * ticks) { double step ; /* Put numbered ticks at multiples of this */ double range = max - min ; int k ; double value ; /* Temporary */ if (log_scale == 1) return calculate_log_ticks (min, max, distance, ticks) ; /* Linear version */ /* Choose a step between successive axis labels so that one digit ** changes by 1, 2 or 5 amd that gives us at least the number of ** divisions (and numberic labels) that we would like to have. ** ** We do this by starting "step" at the lowest power of ten <= max, ** which can give us at most 9 divisions (e.g. from 0 to 9999, step 1000) ** Then try 5*this, 2*this and 1*this. */ step = pow (10.0, floor (log10 (max))) ; do { if (range / (step * 5) >= TARGET_DIVISIONS) { step *= 5 ; break ; } ; if (range / (step * 2) >= TARGET_DIVISIONS) { step *= 2 ; break ; } ; if (range / step >= TARGET_DIVISIONS) break ; step /= 10 ; } while (1) ; /* This is an odd loop! */ /* Ensure that the least significant digit that changes gets printed, */ ticks->decimal_places_to_print = lrint (-floor (log10 (step))) ; if (ticks->decimal_places_to_print < 0) ticks->decimal_places_to_print = 0 ; /* Now go from the first multiple of step that's >= min to * the last one that's <= max. */ k = 0 ; value = ceil (min / step) * step ; #define add_tick(val, just_a_tick) do \ { if (val >= min - DELTA && val < max + DELTA) \ { ticks->value [k] = just_a_tick ? NO_NUMBER : val ; \ ticks->distance [k] = distance * \ (log_scale == 2 \ ? /*log*/ (log (val) - log (min)) / (log (max) - log (min)) \ : /*lin*/ (val - min) / range) ; \ k++ ; \ } ; \ } while (0) /* Add the half-way tick before the first number if it's in range */ add_tick (value - step / 2, true) ; while (value <= max + DELTA) { /* Add a tick next to each printed number */ add_tick (value, false) ; /* and at the half-way tick after the number if it's in range */ add_tick (value + step / 2, true) ; value += step ; } ; return k ; } /* calculate_ticks */ /* Number/tick placer for logarithmic scales. ** ** Some say we should number 1, 10, 100, 1000, 1000 and place ticks at ** 2,3,4,5,6,7,8,9, 20,30,40,50,60,70,80,90, 200,300,400,500,600,700,800,900 ** Others suggest numbering 1,2,5, 10,20,50, 100,200,500. ** ** Ticking 1-9 is visually distinctive and emphasizes that we are using ** a log scale, as well as mimicking log graph paper. ** Numbering the powers of ten and, if that doesn't give enough labels, ** numbering also the 2 and 5 multiples might work. ** ** Apart from our [number] and tick styles: ** [1] 2 5 [10] 20 50 [100] and ** [1] [2] 3 4 [5] 6 7 8 9 [10] ** the following are also seen in use: ** [1] [2] 3 4 [5] 6 7 [8] 9 [10] and ** [1] [2] [3] [4] [5] [6] 7 [8] 9 [10] ** in https://www.lhup.edu/~dsimanek/scenario/errorman/graphs2.htm ** ** This works fine for wide ranges, not so well for narrow ranges like ** 5000-6000, so for ranges less than a decade we apply the above ** linear numbering style 0.2 0.4 0.6 0.8 or whatever, but calulating ** the positions of the legends logarithmically. ** ** Alternatives could be: ** - by powers or two from some starting frequency ** defaulting to the Nyquist frequency (22050, 11025, 5512.5 ...) or from some ** musical pitch (220, 440, 880, 1760) ** - with a musical note scale C0 ' D0 ' E0 F0 ' G0 ' A0 ' B0 C1 ** - with manuscript staff lines, piano note or guitar string overlay. */ /* Helper functions: add ticks and labels at start_value and all powers of ten ** times it that are in the min-max range. ** This is used to plonk ticks at 1, 10, 100, 1000 then at 2, 20, 200, 2000 ** then at 5, 50, 500, 5000 and so on. */ static int add_log_ticks (double min, double max, double distance, TICKS * ticks, int k, double start_value, bool include_number) { double value ; for (value = start_value ; value <= max + DELTA ; value *= 10.0) { if (value < min - DELTA) continue ; ticks->value [k] = include_number ? value : NO_NUMBER ; ticks->distance [k] = distance * (log (value) - log (min)) / (log (max) - log (min)) ; k++ ; } ; return k ; } /* add_log_ticks */ static int calculate_log_ticks (double min, double max, double distance, TICKS * ticks) { int k = 0 ; /* Number of ticks we have placed in "ticks" array */ double underpinning ; /* Largest power of ten that is <= min */ /* If the interval is less than a decade, just apply the same ** numbering-choosing scheme as used with linear axis, with the ** ticks positioned logarithmically. */ if (max / min < 10.0) return calculate_ticks (min, max, distance, 2, ticks) ; /* If the range is greater than 1 to 1000000, it will generate more than ** 19 ticks. Better to fail explicitly than to overflow. */ if (max / min > 1000000) { printf ("Error: Frequency range is too great for logarithmic scale.\n") ; exit (1) ; } ; /* First hack: label the powers of ten. */ /* Find largest power of ten that is <= minimum value */ underpinning = pow (10.0, floor (log10 (min))) ; /* Go powering up by 10 from there, numbering as we go. */ k = add_log_ticks (min, max, distance, ticks, k, underpinning, true) ; /* Do we have enough numbers? If so, add numberless ticks at 2 and 5 */ if (k >= TARGET_DIVISIONS + 1) /* Number of labels is n.of divisions + 1 */ { k = add_log_ticks (min, max, distance, ticks, k, underpinning * 2.0, false) ; k = add_log_ticks (min, max, distance, ticks, k, underpinning * 5.0, false) ; } else { int i ; /* Not enough numbers: add numbered ticks at 2 and 5 and * unnumbered ticks at all the rest */ for (i = 2 ; i <= 9 ; i++) k = add_log_ticks (min, max, distance, ticks, k, underpinning * (1.0 * i), i == 2 || i == 5) ; } ; /* Greatest possible number of ticks calculation: ** The worst case is when the else clause adds 8 ticks with the maximal ** number of divisions, which is when k == TARGET_DIVISIONS, 3, ** for example 100, 1000, 10000. ** The else clause adds another 8 ticks inside each division as well as ** up to 8 ticks after the last number (from 20000 to 90000) ** and 8 before to the first (from 20 to 90 in the example). ** Maximum possible ticks is 3+8+8+8+8=35 */ return k ; } /* calculate_log_ticks */ static void str_print_value (char * text, int text_len, double value, int decimal_places_to_print) { if (fabs (value) < 1e-10) snprintf (text, text_len, "0") ; else snprintf (text, text_len, "%.*f", decimal_places_to_print, value) ; } /* str_print_value */ static void render_spect_border (cairo_surface_t * surface, const char * filename, double left, double width, double seconds, double top, double height, double min_freq, double max_freq, bool log_freq) { char text [512] ; cairo_t * cr ; cairo_text_extents_t extents ; cairo_matrix_t matrix ; TICKS ticks ; int k, tick_count ; cr = cairo_create (surface) ; cairo_set_source_rgb (cr, 1.0, 1.0, 1.0) ; cairo_set_line_width (cr, BORDER_LINE_WIDTH) ; /* Print title. */ cairo_select_font_face (cr, font_family, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL) ; cairo_set_font_size (cr, 1.0 * TITLE_FONT_SIZE) ; snprintf (text, sizeof (text), "Spectrogram: %s", filename) ; cairo_text_extents (cr, text, &extents) ; cairo_move_to (cr, left + 2, top - extents.height / 2) ; cairo_show_text (cr, text) ; /* Print labels. */ cairo_select_font_face (cr, font_family, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL) ; cairo_set_font_size (cr, 1.0 * NORMAL_FONT_SIZE) ; /* Border around actual spectrogram. */ cairo_rectangle (cr, left, top, width, height) ; /* Put ticks on Time axis */ tick_count = calculate_ticks (0.0, seconds, width, false, &ticks) ; for (k = 0 ; k < tick_count ; k++) { y_line (cr, left + ticks.distance [k], top + height, TICK_LEN) ; if (JUST_A_TICK (ticks, k)) continue ; str_print_value (text, sizeof (text), ticks.value [k], ticks.decimal_places_to_print) ; cairo_text_extents (cr, text, &extents) ; cairo_move_to (cr, left + ticks.distance [k] - extents.width / 2, top + height + 8 + extents.height) ; cairo_show_text (cr, text) ; } ; /* Put ticks on Frequency axis */ tick_count = calculate_ticks (min_freq, max_freq, height, log_freq, &ticks) ; for (k = 0 ; k < tick_count ; k++) { x_line (cr, left + width, top + height - ticks.distance [k], TICK_LEN) ; if (JUST_A_TICK (ticks, k)) continue ; str_print_value (text, sizeof (text), ticks.value [k], ticks.decimal_places_to_print) ; cairo_text_extents (cr, text, &extents) ; cairo_move_to (cr, left + width + 12, top + height - ticks.distance [k] + extents.height / 4.5) ; cairo_show_text (cr, text) ; } ; cairo_set_font_size (cr, 1.0 * NORMAL_FONT_SIZE) ; /* Label X axis. */ snprintf (text, sizeof (text), "Time (secs)") ; cairo_text_extents (cr, text, &extents) ; cairo_move_to (cr, left + (width - extents.width) / 2, cairo_image_surface_get_height (surface) - 8) ; cairo_show_text (cr, text) ; /* Label Y axis (rotated). */ snprintf (text, sizeof (text), "Frequency (Hz)") ; cairo_text_extents (cr, text, &extents) ; cairo_get_font_matrix (cr, &matrix) ; cairo_matrix_rotate (&matrix, -0.5 * M_PI) ; cairo_set_font_matrix (cr, &matrix) ; cairo_move_to (cr, cairo_image_surface_get_width (surface) - 12, top + (height + extents.width) / 2) ; cairo_show_text (cr, text) ; cairo_destroy (cr) ; } /* render_spect_border */ static void render_heat_border (cairo_surface_t * surface, double magfloor, const RECT *r) { const char *decibels = "dB" ; char text [512] ; cairo_t * cr ; cairo_text_extents_t extents ; TICKS ticks ; int k, tick_count ; cr = cairo_create (surface) ; cairo_set_source_rgb (cr, 1.0, 1.0, 1.0) ; cairo_set_line_width (cr, BORDER_LINE_WIDTH) ; /* Border around actual spectrogram. */ cairo_rectangle (cr, r->left, r->top, r->width, r->height) ; cairo_stroke (cr) ; cairo_select_font_face (cr, font_family, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL) ; cairo_set_font_size (cr, 1.0 * NORMAL_FONT_SIZE) ; cairo_text_extents (cr, decibels, &extents) ; cairo_move_to (cr, r->left + (r->width - extents.width) / 2, r->top - 5) ; cairo_show_text (cr, decibels) ; tick_count = calculate_ticks (0.0, fabs (magfloor), r->height, false, &ticks) ; for (k = 0 ; k < tick_count ; k++) { x_line (cr, r->left + r->width, r->top + ticks.distance [k], TICK_LEN) ; if (JUST_A_TICK (ticks, k)) continue ; str_print_value (text, sizeof (text), -1.0 * ticks.value [k], ticks.decimal_places_to_print) ; cairo_text_extents (cr, text, &extents) ; cairo_move_to (cr, r->left + r->width + 2 * TICK_LEN, r->top + ticks.distance [k] + extents.height / 4.5) ; cairo_show_text (cr, text) ; } ; cairo_destroy (cr) ; } /* render_heat_border */ /* Helper function: ** Map the index for an output pixel in a column to an index into the ** FFT result representing the same frequency. ** magindex is from 0 to maglen-1, representing min_freq to max_freq Hz. ** Return values from are from 0 to speclen representing frequencies from ** 0 to the Nyquist frequency. ** The result is a floating point number as it may fall between elements, ** allowing the caller to interpolate onto the input array. */ static double magindex_to_specindex (int speclen, int maglen, int magindex, double min_freq, double max_freq, int samplerate, bool log_freq) { double freq ; /* The frequency that this output value represents */ if (!log_freq) freq = min_freq + (max_freq - min_freq) * magindex / (maglen - 1) ; else freq = min_freq * pow (max_freq / min_freq, (double) magindex / (maglen - 1)) ; return (freq * speclen / (samplerate / 2)) ; } /* Map values from the spectrogram onto an array of magnitudes, the values ** for display. Reads spec[0..speclen], writes mag[0..maglen-1]. */ static void interp_spec (float * mag, int maglen, const double *spec, int speclen, const RENDER *render, int samplerate) { int k ; /* Map each output coordinate to where it depends on in the input array. ** If there are more input values than output values, we need to average ** a range of inputs. ** If there are more output values than input values we do linear ** interpolation between the two inputs values that a reverse-mapped ** output value's coordinate falls between. ** ** spec points to an array with elements [0..speclen] inclusive ** representing frequencies from 0 to samplerate/2 Hz. Map these to the ** scale values min_freq to max_freq so that the bottom and top pixels ** in the output represent the energy in the sound at min_ and max_freq Hz. */ for (k = 0 ; k < maglen ; k++) { /* Average the pixels in the range it comes from */ double this = magindex_to_specindex (speclen, maglen, k, render->min_freq, render->max_freq, samplerate, render->log_freq) ; double next = magindex_to_specindex (speclen, maglen, k+1, render->min_freq, render->max_freq, samplerate, render->log_freq) ; /* Range check: can happen if --max-freq > samplerate / 2 */ if (this > speclen) { mag [k] = 0.0 ; return ; } ; if (next > this + 1) { /* The output indices are more sparse than the input indices ** so average the range of input indices that map to this output, ** making sure not to exceed the input array (0..speclen inclusive) */ /* Take a proportional part of the first sample */ double count = 1.0 - (this - floor (this)) ; double sum = spec [(int) this] * count ; while ((this += 1.0) < next && (int) this <= speclen) { sum += spec [(int) this] ; count += 1.0 ; } /* and part of the last one */ if ((int) next <= speclen) { sum += spec [(int) next] * (next - floor (next)) ; count += next - floor (next) ; } ; mag [k] = sum / count ; } else /* The output indices are more densely packed than the input indices ** so interpolate between input values to generate more output values. */ { /* Take a weighted average of the nearest values */ mag [k] = spec [(int) this] * (1.0 - (this - floor (this))) + spec [(int) this + 1] * (this - floor (this)) ; } ; } ; return ; } /* interp_spec */ /* Pick the best FFT length good for FFTW? ** ** We use fftw_plan_r2r_1d() for which the documantation ** http://fftw.org/fftw3_doc/Real_002dto_002dReal-Transforms.html says: ** ** "FFTW is generally best at handling sizes of the form ** 2^a 3^b 5^c 7^d 11^e 13^f ** where e+f is either 0 or 1, and the other exponents are arbitrary." */ /* Helper function: does N have only 2, 3, 5 and 7 as its factors? */ static bool is_2357 (int n) { /* Just eliminate all factors os 2, 3, 5 and 7 and see if 1 remains */ while (n % 2 == 0) n /= 2 ; while (n % 3 == 0) n /= 3 ; while (n % 5 == 0) n /= 5 ; while (n % 7 == 0) n /= 7 ; return (n == 1) ; } /* Helper function: is N a "fast" value for the FFT size? */ static bool is_good_speclen (int n) { /* It wants n, 11*n, 13*n but not (11*13*n) ** where n only has as factors 2, 3, 5 and 7 */ if (n % (11 * 13) == 0) return 0 ; /* No good */ return is_2357 (n) || ((n % 11 == 0) && is_2357 (n / 11)) || ((n % 13 == 0) && is_2357 (n / 13)) ; } static void render_to_surface (const RENDER * render, SNDFILE *infile, int samplerate, sf_count_t filelen, cairo_surface_t * surface) { float ** mag_spec = NULL ; // Indexed by [w][h] spectrum *spec ; double max_mag = 0.0 ; int width, height, w, speclen ; if (render->border) { width = lrint (cairo_image_surface_get_width (surface) - LEFT_BORDER - RIGHT_BORDER) ; height = lrint (cairo_image_surface_get_height (surface) - TOP_BORDER - BOTTOM_BORDER) ; } else { width = render->width ; height = render->height ; } if (width < 1) { printf ("Error : 'width' parameter must be >= %d\n", render->border ? (int) (LEFT_BORDER + RIGHT_BORDER) + 1 : 1) ; exit (1) ; } ; if (height < 1) { printf ("Error : 'height' parameter must be >= %d\n", render->border ? (int) (TOP_BORDER + BOTTOM_BORDER) + 1 : 1) ; exit (1) ; } ; /* ** Choose a speclen value, the spectrum length. ** The FFT window size is twice this. */ if (render->fft_freq != 0.0) /* Choose an FFT window size of 1/fft_freq seconds of audio */ speclen = (samplerate / render->fft_freq + 1) / 2 ; else /* Long enough to represent frequencies down to 20Hz. */ speclen = height * (samplerate / 20 / height + 1) ; /* Find the nearest fast value for the FFT size. */ { int d ; /* difference */ for (d = 0 ; /* Will terminate */ ; d++) { /* Logarithmically, the integer above is closer than ** the integer below, so prefer it to the one below. */ if (is_good_speclen (speclen + d)) { speclen += d ; break ; } /* FFT length must also be >= the output height, ** otherwise repeated pixel rows occur in the output. */ if (speclen - d >= height && is_good_speclen (speclen - d)) { speclen -= d ; break ; } } } mag_spec = calloc (width, sizeof (float *)) ; if (mag_spec == NULL) { printf ("%s : Not enough memory.\n", __func__) ; exit (1) ; } ; for (w = 0 ; w < width ; w++) { if ((mag_spec [w] = calloc (height, sizeof (float))) == NULL) { printf ("%s : Not enough memory.\n", __func__) ; exit (1) ; } ; } ; spec = create_spectrum (speclen, render->window_function) ; if (spec == NULL) { printf ("%s : line %d : create plan failed.\n", __FILE__, __LINE__) ; exit (1) ; } ; for (w = 0 ; w < width ; w++) { double single_max ; read_mono_audio (infile, filelen, spec->time_domain, 2 * speclen, w, width) ; single_max = calc_magnitude_spectrum (spec) ; max_mag = MAX (max_mag, single_max) ; interp_spec (mag_spec [w], height, spec->mag_spec, speclen, render, samplerate) ; } ; destroy_spectrum (spec) ; if (render->border) { RECT heat_rect ; heat_rect.left = 12 ; heat_rect.top = TOP_BORDER + TOP_BORDER / 2 ; heat_rect.width = 12 ; heat_rect.height = height - TOP_BORDER / 2 ; render_spectrogram (surface, render->spec_floor_db, mag_spec, max_mag, LEFT_BORDER, TOP_BORDER, width, height, render->gray_scale) ; render_heat_map (surface, render->spec_floor_db, &heat_rect, render->gray_scale) ; render_spect_border (surface, render->filename, LEFT_BORDER, width, filelen / (1.0 * samplerate), TOP_BORDER, height, render->min_freq, render->max_freq, render->log_freq) ; render_heat_border (surface, render->spec_floor_db, &heat_rect) ; } else render_spectrogram (surface, render->spec_floor_db, mag_spec, max_mag, 0, 0, width, height, render->gray_scale) ; for (w = 0 ; w < width ; w++) free (mag_spec [w]) ; free (mag_spec) ; return ; } /* render_to_surface */ static void render_cairo_surface (const RENDER * render, SNDFILE *infile, int samplerate, sf_count_t filelen) { cairo_surface_t * surface = NULL ; cairo_status_t status ; /* ** CAIRO_FORMAT_RGB24 each pixel is a 32-bit quantity, with the upper 8 bits ** unused. Red, Green, and Blue are stored in the remaining 24 bits in that order. */ surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, render->width, render->height) ; if (surface == NULL || cairo_surface_status (surface) != CAIRO_STATUS_SUCCESS) { status = cairo_surface_status (surface) ; printf ("Error while creating surface : %s\n", cairo_status_to_string (status)) ; exit (1) ; } ; cairo_surface_flush (surface) ; render_to_surface (render, infile, samplerate, filelen, surface) ; status = cairo_surface_write_to_png (surface, render->pngfilepath) ; if (status != CAIRO_STATUS_SUCCESS) { printf ("Error while creating PNG file : %s\n", cairo_status_to_string (status)) ; exit (1) ; } ; cairo_surface_destroy (surface) ; return ; } /* render_cairo_surface */ static void render_sndfile (RENDER * render) { SNDFILE *infile ; SF_INFO info ; memset (&info, 0, sizeof (info)) ; infile = sf_open (render->sndfilepath, SFM_READ, &info) ; if (infile == NULL) { printf ("Error : failed to open file '%s' : \n%s\n", render->sndfilepath, sf_strerror (NULL)) ; exit (1) ; } ; if (render->max_freq == 0.0) render->max_freq = (double) info.samplerate / 2 ; if (render->min_freq == 0.0 && render->log_freq) render->min_freq = 20.0 ; /* Do this sanity check here, as soon as max_freq has its default value */ if (render->min_freq >= render->max_freq) { printf ("Error : --min-freq (%g) must be less than max_freq (%g)\n", render->min_freq, render->max_freq) ; exit (1) ; } ; render_cairo_surface (render, infile, info.samplerate, info.frames) ; sf_close (infile) ; return ; } /* render_sndfile */ static void usage_exit (const char * argv0, int error) { const char * progname ; progname = strrchr (argv0, '/') ; progname = (progname == NULL) ? argv0 : progname + 1 ; printf ("\nUsage :\n\n %s [options] \n\n", progname) ; puts ( " Create a spectrogram as a PNG file from a given sound file. The\n" " spectrogram image will be of the given width and height.\n" ) ; puts ( " Options:\n" " --dyn-range= : Dynamic range (default is 180 for 180dB range)\n" " --no-border : Drop the border, scales, heat map and title\n" " --min-freq= : Set the minimum frequency in the output\n" " --max-freq= : Set the maximum frequency in the output\n" " --fft-freq= : Set the lowest resolvable frequency and the\n" " height of each band in the linear spectrogram.\n" " Lower values increase frequency resolution but\n" " smear the output horizontally and higher values\n" " improve the temporal definition but decrease the\n" " distinction between the lowest frequencies.\n" " --log-freq : Use a logarithmic frquency scale\n" " --gray-scale : Output gray pixels instead of a heat map\n" " --kaiser : Use a Kaiser window function (the default)\n" " --rectangular : Use a rectangular window function\n" " --nuttall : Use a Nuttall window function\n" " --hann : Use a Hann window function\n" ) ; exit (error) ; } /* usage_exit */ int main (int argc, char * argv []) { RENDER render = { NULL, NULL, NULL, 0, 0, /* width, height */ true, false, false, /* border, log_freq, gray_scale */ 0.0, 0.0, 0.0, /* {min,max,fft}_freq */ KAISER, SPEC_FLOOR_DB } ; int k ; if (argc < 5) usage_exit (argv [0], 0) ; for (k = 1 ; k < argc - 4 ; k++) { double fval ; if (sscanf (argv [k], "--dyn-range=%lf", &fval) == 1) { render.spec_floor_db = -1.0 * fabs (fval) ; continue ; } if (strcmp (argv [k], "--no-border") == 0) { render.border = false ; continue ; } ; if (strcmp (argv [k], "--log-freq") == 0) { render.log_freq = true ; continue ; } ; if (sscanf (argv [k], "--min-freq=%lf", &fval) == 1) { if (fval < 0.0) { printf ("--min-freq cannot be negative.\n") ; exit (1) ; } ; render.min_freq = fval ; continue ; } if (sscanf (argv [k], "--max-freq=%lf", &fval) == 1) { render.max_freq = fabs (fval) ; continue ; } if (sscanf (argv [k], "--fft-freq=%lf", &fval) == 1) { if (fval <= 0.0) { printf ("--fft-freq must be positive.\n") ; exit (1) ; } ; render.fft_freq = fabs (fval) ; continue ; } if (sscanf (argv [k], "--dyn-range=%lf", &fval) == 1) { render.spec_floor_db = -1.0 * fabs (fval) ; continue ; } if (strcmp (argv [k], "--gray-scale") == 0) { render.gray_scale = true ; continue ; } ; if (strcmp (argv [k], "--rectangular") == 0) { render.window_function = RECTANGULAR ; continue ; } ; if (strcmp (argv [k], "--kaiser") == 0) { render.window_function = KAISER ; continue ; } ; if (strcmp (argv [k], "--nuttall") == 0) { render.window_function = NUTTALL ; continue ; } ; if (strcmp (argv [k], "--hann") == 0) { render.window_function = HANN ; continue ; } ; printf ("\nError : Bad command line argument '%s'\n", argv [k]) ; usage_exit (argv [0], 1) ; } ; render.sndfilepath = argv [k] ; render.width = parse_int_or_die (argv [k + 1], "width") ; render.height = parse_int_or_die (argv [k + 2], "height") ; render.pngfilepath = argv [k + 3] ; render.filename = strrchr (render.sndfilepath, '/') ; render.filename = (render.filename != NULL) ? render.filename + 1 : render.sndfilepath ; render_sndfile (&render) ; return 0 ; } /* main */ sndfile-tools-1.5/src/spectrum.c000066400000000000000000000056351400553006000167400ustar00rootroot00000000000000#include #include #include #include #include #include #include #include "common.h" #include "window.h" #include "spectrum.h" spectrum * create_spectrum (int speclen, enum WINDOW_FUNCTION window_function) { spectrum *spec ; spec = calloc (1, sizeof (spectrum)) ; if (spec == NULL) { printf ("%s : Not enough memory.\n", __func__) ; exit (1) ; } ; spec->wfunc = window_function ; spec->speclen = speclen ; /* mag_spec has values from [0..speclen] inclusive for 0Hz to Nyquist. ** time_domain has an extra element to be able to interpolate between ** samples for better time precision, hoping to eliminate artifacts. */ spec->time_domain = calloc (2 * speclen + 1, sizeof (double)) ; spec->window = calloc (2 * speclen, sizeof (double)) ; spec->freq_domain = calloc (2 * speclen, sizeof (double)) ; spec->mag_spec = calloc (speclen + 1, sizeof (double)) ; if (spec->time_domain == NULL || spec->window == NULL || spec->freq_domain == NULL || spec->mag_spec == NULL) { printf ("%s : Not enough memory.\n", __func__) ; exit (1) ; } ; spec->plan = fftw_plan_r2r_1d (2 * speclen, spec->time_domain, spec->freq_domain, FFTW_R2HC, FFTW_MEASURE | FFTW_PRESERVE_INPUT) ; if (spec->plan == NULL) { printf ("%s:%d : fftw create plan failed.\n", __func__, __LINE__) ; free (spec) ; exit (1) ; } ; switch (spec->wfunc) { case RECTANGULAR : break ; case KAISER : calc_kaiser_window (spec->window, 2 * speclen, 20.0) ; break ; case NUTTALL: calc_nuttall_window (spec->window, 2 * speclen) ; break ; case HANN : calc_hann_window (spec->window, 2 * speclen) ; break ; default : printf ("Internal error: Unknown window_function.\n") ; free (spec) ; exit (1) ; } ; return spec ; } /* create_spectrum */ void destroy_spectrum (spectrum * spec) { fftw_destroy_plan (spec->plan) ; free (spec->time_domain) ; free (spec->window) ; free (spec->freq_domain) ; free (spec->mag_spec) ; free (spec) ; } /* destroy_spectrum */ double calc_magnitude_spectrum (spectrum * spec) { double max ; int k, freqlen ; freqlen = 2 * spec->speclen ; if (spec->wfunc != RECTANGULAR) for (k = 0 ; k < 2 * spec->speclen ; k++) spec->time_domain [k] *= spec->window [k] ; fftw_execute (spec->plan) ; /* Convert from FFTW's "half complex" format to an array of magnitudes. ** In HC format, the values are stored: ** r0, r1, r2 ... r(n/2), i(n+1)/2-1 .. i2, i1 **/ max = spec->mag_spec [0] = fabs (spec->freq_domain [0]) ; for (k = 1 ; k < spec->speclen ; k++) { double re = spec->freq_domain [k] ; double im = spec->freq_domain [freqlen - k] ; spec->mag_spec [k] = sqrt (re * re + im * im) ; max = MAX (max, spec->mag_spec [k]) ; } ; /* Lastly add the point for the Nyquist frequency */ spec->mag_spec [spec->speclen] = fabs (spec->freq_domain [spec->speclen]) ; return max ; } /* calc_magnitude_spectrum */ sndfile-tools-1.5/src/spectrum.h000066400000000000000000000005671400553006000167440ustar00rootroot00000000000000 typedef struct { int speclen ; enum WINDOW_FUNCTION wfunc ; fftw_plan plan ; double *time_domain ; double *window ; double *freq_domain ; double *mag_spec ; double data [] ; } spectrum ; spectrum * create_spectrum (int speclen, enum WINDOW_FUNCTION window_function) ; void destroy_spectrum (spectrum * spec) ; double calc_magnitude_spectrum (spectrum * spec) ; sndfile-tools-1.5/src/waveform.c000066400000000000000000001127011400553006000167150ustar00rootroot00000000000000/* ** Copyright (C) 2007-2015 Erik de Castro Lopo ** Copyright (C) 2012 Robin Gareus ** Copyright (C) 2013 driedfruit ** ** This program is free software: you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by ** the Free Software Foundation, either version 2 or version 3 of the ** License. ** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program. If not, see . */ /* ** Generate a waveform as a PNG file from a given sound file. */ #include #include #include #include #include #include #include #include #include "common.h" #include "config.h" #define MIN_WIDTH (120) #define MIN_HEIGHT (32) #define TICK_LEN (6) #define TXT_TICK_LEN (8) #define BORDER_LINE_WIDTH (1.8) #define TITLE_FONT_SIZE (20.0) #define NORMAL_FONT_SIZE (12.0) #define LEFT_BORDER (10.0) #define TOP_BORDER (30.0) #define RIGHT_BORDER (75.0) #define BOTTOM_BORDER (40.0) #define EXIT_FAILURE 1 #define C_COLOUR(X) (X)->r, (X)->g, (X)->b, (X)->a typedef struct COLOUR { double r ; double g ; double b ; double a ; } COLOUR ; typedef struct AGC { float min, max, rms ; } AGC ; typedef struct { const char *sndfilepath, *pngfilepath, *filename ; int width, height, channel_separation ; int channel ; int what ; bool autogain ; bool border, geometry_no_border, logscale, rectified ; COLOUR c_fg, c_rms, c_bg, c_ann, c_bbg, c_cl ; int tc_num, tc_den ; double tc_off ; bool parse_bwf ; double border_width ; } RENDER ; enum WHAT { PEAK = 1, RMS = 2 } ; typedef struct DRECT { double x1, y1 ; double x2, y2 ; } DRECT ; #ifndef SF_BROADCAST_INFO_2K typedef SF_BROADCAST_INFO_VAR (2048) SF_BROADCAST_INFO_2K ; #endif static inline void set_colour (COLOUR * c, int h) { c->a = ((h >> 24) & 0xff) / 255.0 ; c->r = ((h >> 16) & 0xff) / 255.0 ; c->g = ((h >> 8) & 0xff) / 255.0 ; c->b = ((h) & 0xff) / 255.0 ; } /* set_colour */ /* copied from ardour3 */ static inline float _log_meter (float power, double lower_db, double upper_db, double non_linearity) { return (power < lower_db ? 0.0 : pow ((power - lower_db) / (upper_db - lower_db), non_linearity)) ; } static inline float alt_log_meter (float power) { return _log_meter (power, -192.0, 0.0, 8.0) ; } static inline float coefficient_to_dB (float coeff) { return 20.0f * log10 (coeff) ; } /* end of ardour copy */ #ifdef EQUAL_VSPACE_LOG_TICKS static inline float dB_to_coefficient (float dB) { return dB > -318.8f ? pow (10.0f, dB * 0.05f) : 0.0f ; } static inline float inv_log_meter (float power) { return (power < 0.00000000026 ? -192.0 : (pow (power, 0.125) * 192.0) -192.0) ; } #endif static void draw_cairo_line (cairo_t* cr, DRECT *pts, const COLOUR *c) { cairo_set_source_rgba (cr, C_COLOUR (c)) ; cairo_move_to (cr, pts->x1, pts->y1) ; cairo_line_to (cr, pts->x2, pts->y2) ; cairo_stroke (cr) ; } static void calc_peak (SNDFILE *infile, SF_INFO *info, double width, int channel, AGC *agc) { int x = 0 ; float s_min, s_max, s_rms ; int channels ; long frames_per_buf, buffer_len ; const float frames_per_bin = info->frames / (float) width ; const long max_frames_per_bin = ceilf (frames_per_bin) ; float* data ; long f_offset = 0 ; if (channel < 0 || channel > info->channels) { printf ("invalid channel\n") ; return ; } ; data = malloc (sizeof (float) * max_frames_per_bin * info->channels) ; if (!data) { printf ("out of memory.\n") ; return ; } ; sf_seek (infile, 0, SEEK_SET) ; channels = (channel > 0) ? 1 : info->channels ; s_min = 1.0 ; s_max = -1.0 ; s_rms = 0.0 ; frames_per_buf = floorf (frames_per_bin) ; buffer_len = frames_per_buf * info->channels ; while ((sf_read_float (infile, data, buffer_len)) > 0) { int frame ; float min, max, rms ; min = 1.0 ; max = -1.0 ; rms = 0.0 ; for (frame = 0 ; frame < frames_per_buf ; frame++) { int ch ; for (ch = 0 ; ch < info->channels ; ch++) { if (channel > 0 && ch + 1 != channel) continue ; if (frame * info->channels + ch > buffer_len) { fprintf (stderr, "index error!\n") ; break ; } ; { const float sample_val = data [frame * info->channels + ch] ; max = MAX (max, sample_val) ; min = MIN (min, sample_val) ; rms += (sample_val * sample_val) ; } ; } ; } ; /* TODO: use a sliding window for RMS - independent of buffer_len */ rms /= (frames_per_buf * channels) ; rms = sqrt (rms) ; if (min < s_min) s_min = min ; if (max > s_max) s_max = max ; if (rms > s_rms) s_rms = rms ; x++ ; if (x > width) break ; f_offset += frames_per_buf ; frames_per_buf = floorf ((x + 1) * frames_per_bin) - f_offset ; buffer_len = frames_per_buf * info->channels ; } ; agc->min = s_min ; agc->max = s_max ; agc->rms = s_rms ; free (data) ; } /* calc_peak */ static void render_waveform (cairo_surface_t * surface, RENDER *render, SNDFILE *infile, SF_INFO *info, double left, double top, double width, double height, int channel, float gain) { cairo_t * cr ; float pmin = 0 ; float pmax = 0 ; float prms = 0 ; int x = 0 ; int channels ; long frames_per_buf, buffer_len ; const float frames_per_bin = info->frames / (float) width ; const long max_frames_per_bin = 1 + ceilf (frames_per_bin) ; float* data ; long f_offset = 0 ; if (channel < 0 || channel > info->channels) { printf ("invalid channel\n") ; return ; } ; data = malloc (sizeof (float) * max_frames_per_bin * info->channels) ; if (!data) { printf ("out of memory.\n") ; return ; } ; sf_seek (infile, 0, SEEK_SET) ; cr = cairo_create (surface) ; cairo_set_line_width (cr, render->border_width) ; cairo_rectangle (cr, left, top, width, height) ; cairo_stroke_preserve (cr) ; cairo_set_source_rgba (cr, C_COLOUR (&render->c_bg)) ; cairo_fill (cr) ; cairo_set_line_width (cr, 2.0) ; channels = (channel > 0) ? 1 : info->channels ; frames_per_buf = floorf (frames_per_bin) ; buffer_len = frames_per_buf * info->channels ; while ((sf_read_float (infile, data, buffer_len)) > 0) { int frame ; float min, max, rms ; double yoff ; min = 1.0 ; max = -1.0 ; rms = 0.0 ; for (frame = 0 ; frame < frames_per_buf ; frame++) { int ch ; for (ch = 0 ; ch < info->channels ; ch++) { if (channel > 0 && ch + 1 != channel) continue ; if (frame * info->channels + ch > buffer_len) { fprintf (stderr, "index error!\n") ; break ; } ; { const float sample_val = data [frame * info->channels + ch] ; max = MAX (max, sample_val) ; min = MIN (min, sample_val) ; rms += (sample_val * sample_val) ; } ; } ; } ; rms /= frames_per_buf * channels ; rms = sqrt (rms) ; if (gain != 1.0) { min *= gain ; max *= gain ; rms *= gain ; } ; if (render->logscale) { if (max > 0) max = alt_log_meter (coefficient_to_dB (max)) ; else max = -alt_log_meter (coefficient_to_dB (-max)) ; if (min > 0) min = alt_log_meter (coefficient_to_dB (min)) ; else min = -alt_log_meter (coefficient_to_dB (-min)) ; rms = alt_log_meter (coefficient_to_dB (rms)) ; } ; if (render->rectified) { yoff = height ; min = height * MAX (fabsf (min), fabsf (max)) ; max = 0 ; rms = height * rms ; } else { yoff = 0.5 * height ; min = min * yoff ; max = max * yoff ; rms = rms * yoff ; } ; /* Draw background - box */ if ((render->what & (PEAK | RMS)) == PEAK) { if (render->rectified) { DRECT pts2 = { left + x, top + yoff - MIN (min, pmin), left + x, top + yoff } ; draw_cairo_line (cr, &pts2, &render->c_fg) ; } else { DRECT pts2 = { left + x, top + yoff - MAX (pmin, min), left + x, top + yoff - MIN (pmax, max) } ; draw_cairo_line (cr, &pts2, &render->c_fg) ; } } if (render->what & RMS) { if (render->rectified) { DRECT pts2 = { left + x, top + yoff - MIN (prms, rms), left + x, top + yoff } ; draw_cairo_line (cr, &pts2, &render->c_rms) ; } else { DRECT pts2 = { left + x, top + yoff - MIN (prms, rms), left + x, top + yoff + MIN (prms, rms) } ; draw_cairo_line (cr, &pts2, &render->c_rms) ; } } /* Draw Foreground - line */ if (render->what & RMS) { DRECT pts0 = { left + x - 0.5, top + yoff - prms, left + x + 0.5, top + yoff - rms } ; draw_cairo_line (cr, &pts0, &render->c_rms) ; if (!render->rectified) { DRECT pts1 = { left + x - 0.5, top + yoff + prms, left + x + 0.5, top + yoff + rms } ; draw_cairo_line (cr, &pts1, &render->c_rms) ; } } ; if (render->what & PEAK) { DRECT pts0 = { left + x - 0.5, top + yoff - pmin, left + x + 0.5, top + yoff - min } ; draw_cairo_line (cr, &pts0, &render->c_fg) ; if (!render->rectified) { DRECT pts1 = { left + x - 0.5, top + yoff - pmax, left + x + 0.5, top + yoff - max } ; draw_cairo_line (cr, &pts1, &render->c_fg) ; } } pmin = min ; pmax = max ; prms = rms ; x++ ; if (x > width) break ; f_offset += frames_per_buf ; frames_per_buf = floorf ((x + 1) * frames_per_bin) - f_offset ; frames_per_buf = frames_per_buf > max_frames_per_bin ? max_frames_per_bin : frames_per_buf ; buffer_len = frames_per_buf * info->channels ; } ; if (!render->rectified) // center line { DRECT pts = { left, top + (0.5 * height) - 0.5, left + width, top + (0.5 * height) + 0.5 } ; cairo_set_line_width (cr, BORDER_LINE_WIDTH) ; draw_cairo_line (cr, &pts, &render->c_cl) ; } ; cairo_surface_mark_dirty (surface) ; cairo_destroy (cr) ; free (data) ; } /* render_waveform */ static inline void x_line (cairo_t * cr, double x, double y, double len) { cairo_move_to (cr, x, y) ; cairo_rel_line_to (cr, len, 0.0) ; cairo_stroke (cr) ; } /* x_line */ static inline void y_line (cairo_t * cr, double x, double y, double len) { cairo_move_to (cr, x, y) ; cairo_rel_line_to (cr, 0.0, len) ; cairo_stroke (cr) ; } /* y_line */ typedef struct { double value [15] ; double distance [15] ; } TICKS ; static inline int calculate_ticks (double max, double distance, TICKS * ticks) { const int div_array [] = { 10, 10, 8, 6, 8, 10, 6, 7, 8, 9, 10, 11, 12, 12, 7, 14, 8, 8, 9 } ; double scale = 1.0, scale_max ; int k, leading, divisions ; if (max < 0) { printf ("\nError in %s: max < 0\n\n", __func__) ; exit (EXIT_FAILURE) ; } ; while (scale * max >= ARRAY_LEN (div_array)) scale *= 0.1 ; while (scale * max < 1.0) scale *= 10.0 ; leading = lround (scale * max) ; divisions = div_array [leading % ARRAY_LEN (div_array)] ; /* Scale max down. */ scale_max = leading / scale ; scale = scale_max / divisions ; if (divisions > ARRAY_LEN (ticks->value) - 1) { printf ("Error: divisions (%d) > ARRAY_LEN (ticks->value) (%d)\n", divisions, ARRAY_LEN (ticks->value)) ; exit (EXIT_FAILURE) ; } ; for (k = 0 ; k <= divisions ; k++) { ticks->value [k] = k * scale ; ticks->distance [k] = distance * ticks->value [k] / max ; } ; return divisions + 1 ; } /* calculate_ticks */ static inline int calculate_log_ticks (bool rect, double distance, float gain, TICKS * ticks) { int cnt, i ; #ifdef EQUAL_VSPACE_LOG_TICKS // equally spaced ticks, log values. cnt = calculate_ticks (rect ? 1.0 : 2.0, distance, ticks) ; for (i = 0 ; i < cnt ; i++) { double v = ticks->value [i] ; if (!rect) v -= 1.0 ; if (v >= 0) v = (dB_to_coefficient (inv_log_meter (v))) ; else v = - (dB_to_coefficient (inv_log_meter (-v))) ; if (!rect) v += gain ; ticks->value [i] = v / gain ; } ; #else // log spaced ticks, cnt = calculate_ticks (rect ? 1.0 : 2.0, distance, ticks) ; const double dx = rect ? distance : 0.5 * distance ; const double dd = rect ? 0.0 : 0.5 * distance ; for (i = 0 ; i < cnt ; i++) { double d = (ticks->distance [i] - dd) / dx ; d *= gain ; if (d > 0) d = alt_log_meter (coefficient_to_dB (d)) ; else d = -alt_log_meter (coefficient_to_dB (-d)) ; ticks->distance [i] = d*dx+dd ; } ; #endif return cnt ; } /* calculate_log_ticks */ static void str_print_value (char * text, int text_len, double value) { if (fabs (value) < 1e-10) snprintf (text, text_len, "0") ; else if (fabs (value) >= 10.0) snprintf (text, text_len, "%1.0f", value) ; else if (fabs (value) >= 1.0) snprintf (text, text_len, "%3.1f", value) ; else snprintf (text, text_len, "%4.2f", value) ; return ; } /* str_print_value */ static bool str_print_timecode (char * text, int text_len, double sec, int fps_num, int fps_den, double samplerate) { const double flen = fps_num / fps_den ; const int hours = (int) floor (sec / 3600.0) ; const int mins = (int) floor ((sec - (3600.0 * hours)) / 60.0) ; const int secs = (int) floor (sec) % 60 ; const int frame = (int) floor ((sec - floor (sec)) * (1.0 * fps_num) / (1.0 * fps_den)) ; if (flen < 0.0) snprintf (text, text_len, "%ld", (long) rint (sec * samplerate)) ; else if (flen <= 1.0) snprintf (text, text_len, "%02d:%02d:%02d", hours, mins, secs) ; else if (flen <= 10.0) snprintf (text, text_len, "%02d:%02d:%02d.%01d", hours, mins, secs, frame) ; else if (flen <= 100.0) snprintf (text, text_len, "%02d:%02d:%02d.%02d", hours, mins, secs, frame) ; else snprintf (text, text_len, "%02d:%02d:%02d.%03d", hours, mins, secs, frame) ; text [text_len-1] = '\0' ; return (flen < 0.0) ? true : false ; } /* str_print_timecode */ static void render_title (cairo_surface_t * surface, const RENDER * render, double left, double top, int file_channels) { int cxoffset = 0 ; int cyoffset = 0 ; char text [512] ; cairo_t * cr ; cairo_text_extents_t extents ; cr = cairo_create (surface) ; cairo_set_source_rgba (cr, C_COLOUR (&render->c_ann)) ; cairo_set_line_width (cr, BORDER_LINE_WIDTH) ; /* Print title. */ cairo_select_font_face (cr, font_family, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL) ; cairo_set_font_size (cr, 1.0 * TITLE_FONT_SIZE) ; snprintf (text, sizeof (text), "Waveform: %s", render->filename) ; cairo_text_extents (cr, text, &extents) ; cairo_move_to (cr, left + 2, top - extents.height / 2) ; cairo_show_text (cr, text) ; if (render->channel > 0) { snprintf (text, sizeof (text), " (channel: %d)", render->channel) ; cxoffset = extents.width ; cyoffset = extents.height ; } else if (render->channel == 0 && file_channels > 1) { snprintf (text, sizeof (text), " (downmixed to mono)") ; cxoffset = extents.width ; cyoffset = extents.height ; } if (cxoffset > 0) { cairo_set_font_size (cr, 1.0 * NORMAL_FONT_SIZE) ; cairo_text_extents (cr, text, &extents) ; cairo_move_to (cr, left + 2 + cxoffset, top - cyoffset / 2) ; cairo_show_text (cr, text) ; } cairo_destroy (cr) ; } /* render_title */ static void render_timeaxis (cairo_surface_t * surface, const RENDER * render, const SF_INFO *info, double left, double width, double top, double height) { char text [32] ; double seconds = info->frames / (1.0 * info->samplerate) ; cairo_t * cr ; cairo_text_extents_t extents ; TICKS ticks ; int k, tick_count ; cr = cairo_create (surface) ; cairo_set_source_rgba (cr, C_COLOUR (&render->c_ann)) ; cairo_set_line_width (cr, BORDER_LINE_WIDTH) ; /* Print labels. */ cairo_select_font_face (cr, font_family, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL) ; cairo_set_font_size (cr, 1.0 * NORMAL_FONT_SIZE) ; /* X-Axis -- time */ tick_count = calculate_ticks (seconds, width, &ticks) ; for (k = 0 ; k < tick_count ; k++) { y_line (cr, left + ticks.distance [k], top + height, TICK_LEN) ; if (k % 2 == 1) continue ; str_print_value (text, sizeof (text), ticks.value [k]) ; cairo_text_extents (cr, text, &extents) ; cairo_move_to (cr, left + ticks.distance [k] - extents.width / 2, top + height + 8 + extents.height) ; cairo_show_text (cr, text) ; } ; cairo_set_font_size (cr, 1.0 * NORMAL_FONT_SIZE) ; /* Label X axis. */ snprintf (text, sizeof (text), "Time (secs)") ; cairo_text_extents (cr, text, &extents) ; cairo_move_to (cr, left + (width - extents.width) / 2, cairo_image_surface_get_height (surface) - 8) ; cairo_show_text (cr, text) ; cairo_destroy (cr) ; } /* render_timeaxis */ static void render_timecode (cairo_surface_t * surface, const RENDER * render, const SF_INFO *info, double left, double width, double top, double height) { char text [32] ; bool print_label = false ; double seconds = info->frames / (1.0 * info->samplerate) ; cairo_t * cr ; cairo_text_extents_t extents ; TICKS ticks ; int k, tick_count ; cr = cairo_create (surface) ; cairo_set_source_rgba (cr, C_COLOUR (&render->c_ann)) ; cairo_set_line_width (cr, BORDER_LINE_WIDTH) ; /* Print labels. */ cairo_select_font_face (cr, font_family, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL) ; cairo_set_font_size (cr, 1.0 * NORMAL_FONT_SIZE) ; /* X-Axis -- time */ tick_count = calculate_ticks (seconds, width, &ticks) ; for (k = 0 ; k < tick_count ; k++) { double yoff = 0 ; y_line (cr, left + ticks.distance [k], top + height, TICK_LEN) ; if (k % 2 == 1) yoff = 1.0 * NORMAL_FONT_SIZE ; print_label = str_print_timecode (text, sizeof (text), ticks.value [k] + render->tc_off, render->tc_num, render->tc_den, info->samplerate) ; cairo_text_extents (cr, text, &extents) ; cairo_move_to (cr, left + ticks.distance [k] - extents.width / 8, top + height + 8 + extents.height +yoff) ; cairo_show_text (cr, text) ; } ; cairo_set_font_size (cr, 1.0 * NORMAL_FONT_SIZE) ; if (print_label) { /* Label X axis. */ snprintf (text, sizeof (text), "Time [Frames]") ; cairo_text_extents (cr, text, &extents) ; cairo_move_to (cr, left + width + RIGHT_BORDER - extents.width -2 , cairo_image_surface_get_height (surface) - 8) ; cairo_show_text (cr, text) ; } ; cairo_destroy (cr) ; } /* render_timecode */ static void render_wav_border (cairo_surface_t * surface, const RENDER * render, double left, double width, double top, double height, float gain) { char text [8] ; cairo_t * cr ; cairo_text_extents_t extents ; cr = cairo_create (surface) ; cairo_set_source_rgba (cr, C_COLOUR (&render->c_ann)) ; cairo_set_line_width (cr, BORDER_LINE_WIDTH) ; /* Border around actual spectrogram. */ cairo_rectangle (cr, left, top, width, height) ; cairo_stroke (cr) ; cairo_select_font_face (cr, font_family, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL) ; cairo_set_font_size (cr, 1.0 * NORMAL_FONT_SIZE) ; if (render->logscale) { TICKS ticks ; int k, tick_count ; tick_count = calculate_log_ticks (render->rectified, height, gain, &ticks) ; for (k = 0 ; k < tick_count ; k++) { if (ticks.distance [k] < 0) continue ; if (ticks.distance [k] > height) continue ; x_line (cr, left + width, top + height - ticks.distance [k], (k % 2) ? TICK_LEN : TXT_TICK_LEN) ; if (k % 2 == 1) continue ; str_print_value (text, sizeof (text), ticks.value [k] - (render->rectified ? 0.0 : 1.0)) ; cairo_text_extents (cr, text, &extents) ; cairo_move_to (cr, left + width + 12, top + height - ticks.distance [k] + extents.height / 4.5) ; cairo_show_text (cr, text) ; } ; } else { TICKS ticks ; int k, tick_count ; tick_count = calculate_ticks ((render->rectified ? 1.0 : 2.0), height, &ticks) ; for (k = 0 ; k < tick_count ; k++) { x_line (cr, left + width, top + height - ticks.distance [k], (k % 2) ? TICK_LEN : TXT_TICK_LEN) ; if (k % 2 == 1) continue ; str_print_value (text, sizeof (text), (ticks.value [k] - (render->rectified ? 0.0 : 1.0)) / gain) ; cairo_text_extents (cr, text, &extents) ; cairo_move_to (cr, left + width + 12, top + height - ticks.distance [k] + extents.height / 4.5) ; cairo_show_text (cr, text) ; } ; } ; #ifdef WITH_Y_LABEL cairo_matrix_t matrix ; cairo_set_font_size (cr, 1.0 * NORMAL_FONT_SIZE) ; /* Label Y axis (rotated). */ snprintf (text, sizeof (text), "Value") ; cairo_text_extents (cr, text, &extents) ; cairo_get_font_matrix (cr, &matrix) ; cairo_matrix_rotate (&matrix, -0.5 * M_PI) ; cairo_set_font_matrix (cr, &matrix) ; cairo_move_to (cr, cairo_image_surface_get_width (surface) - 12, top + (height + extents.width) / 2) ; cairo_show_text (cr, text) ; #endif cairo_destroy (cr) ; } /* render_wav_border */ static void render_y_legend (cairo_surface_t * surface, const RENDER * render, double top, double height) { #ifndef WITH_Y_LABEL double lx, ly, dxy, dh ; cairo_t * cr ; cairo_text_extents_t extents ; cr = cairo_create (surface) ; dh = 0 ; dxy= NORMAL_FONT_SIZE * 0.65 ; if (render->what & RMS) { cairo_text_extents (cr, "RMS", &extents) ; dh += dxy + extents.width ; } ; if (render->what & PEAK) { cairo_text_extents (cr, "Peak", &extents) ; dh += dxy + extents.width ; } ; if ((render->what & (PEAK | RMS)) == (PEAK | RMS)) { dh += 8 ; } lx = cairo_image_surface_get_width (surface) - 12 - dxy ; ly = top + (height + dh) / 2 ; cairo_set_line_width (cr, 2.0) ; if (render->what & RMS) { cairo_matrix_t matrix ; cairo_set_source_rgba (cr, C_COLOUR (&render->c_bg)) ; cairo_rectangle (cr, lx, ly, dxy, dxy) ; cairo_fill (cr) ; cairo_set_source_rgba (cr, C_COLOUR (&render->c_rms)) ; cairo_rectangle (cr, lx, ly, dxy, dxy) ; cairo_fill (cr) ; cairo_set_source_rgba (cr, C_COLOUR (&render->c_ann)) ; cairo_rectangle (cr, lx, ly, dxy, dxy) ; cairo_stroke (cr) ; ly -= dxy + 2.5 ; cairo_set_font_size (cr, 1.0 * NORMAL_FONT_SIZE) ; cairo_set_source_rgba (cr, C_COLOUR (&render->c_ann)) ; cairo_move_to (cr, lx + dxy +.5 , ly + dxy) ; cairo_get_font_matrix (cr, &matrix) ; cairo_matrix_rotate (&matrix, -0.5 * M_PI) ; cairo_set_font_matrix (cr, &matrix) ; cairo_show_text (cr, "RMS") ; cairo_text_extents (cr, "RMS", &extents) ; ly -= extents.height + 8 ; } if (render->what & PEAK) { cairo_matrix_t matrix ; cairo_set_source_rgba (cr, C_COLOUR (&render->c_bg)) ; cairo_rectangle (cr, lx, ly, dxy, dxy) ; cairo_fill (cr) ; cairo_set_source_rgba (cr, C_COLOUR (&render->c_fg)) ; cairo_rectangle (cr, lx, ly, dxy, dxy) ; cairo_fill (cr) ; cairo_set_source_rgba (cr, C_COLOUR (&render->c_ann)) ; cairo_rectangle (cr, lx, ly, dxy, dxy) ; cairo_stroke (cr) ; ly -= dxy + 2.5 ; cairo_set_font_size (cr, 1.0 * NORMAL_FONT_SIZE) ; cairo_set_source_rgba (cr, C_COLOUR (&render->c_ann)) ; cairo_move_to (cr, lx + dxy +.5 , ly + dxy) ; cairo_get_font_matrix (cr, &matrix) ; cairo_matrix_rotate (&matrix, -0.5 * M_PI) ; cairo_set_font_matrix (cr, &matrix) ; cairo_show_text (cr, "Peak") ; } cairo_destroy (cr) ; #endif } /* render_y_legend */ static void render_to_surface (RENDER * render, SNDFILE *infile, SF_INFO *info, cairo_surface_t * surface) { double width, height ; if (render->border) { width = lrint (cairo_image_surface_get_width (surface) - LEFT_BORDER - RIGHT_BORDER) ; height = lrint (cairo_image_surface_get_height (surface) - TOP_BORDER - BOTTOM_BORDER) ; } else { width = render->width ; height = render->height ; } cairo_t * cr ; cr = cairo_create (surface) ; /* wave-form background */ cairo_rectangle (cr, 0, 0, render->width, render->height) ; cairo_set_line_width (cr, render->border_width) ; cairo_stroke_preserve (cr) ; cairo_set_source_rgba (cr, C_COLOUR (&render->c_bbg)) ; cairo_fill (cr) ; if (render->channel < 0) { const double chnsep = render->channel_separation ; const double mheight = (height - (info->channels - 1) * chnsep) / (1.0 * info->channels) ; int ch ; float gain = 1.0 ; /* calc gain of all channels */ if (render->autogain) { float mxv = 0.0 ; for (ch = 0 ; ch < info->channels ; ch++) { AGC agc ; calc_peak (infile, info, width, ch + 1, &agc) ; if (render->what & PEAK) mxv = MAX (mxv, MAX (agc.max, -agc.min)) ; if (render->what & RMS) mxv = MAX (mxv, agc.rms) ; } if (mxv != 0) gain = 1.0 / mxv ; } for (ch = 0 ; ch < info->channels ; ch++) { render_waveform (surface, render, infile, info, (render->border ? LEFT_BORDER : 0), (render->border ? TOP_BORDER : 0) + ((mheight + chnsep) * (1.0 * ch)), width, mheight, ch + 1, gain) ; if (render->border) render_wav_border (surface, render, LEFT_BORDER, width, TOP_BORDER + (mheight + chnsep) * (1.0 * ch), mheight, gain) ; else if (ch > 0 && chnsep > 0) { cairo_rectangle (cr, 0, ((mheight + chnsep) * (1.0 * ch)) - chnsep, render->width, chnsep) ; cairo_stroke_preserve (cr) ; cairo_set_source_rgba (cr, C_COLOUR (&render->c_bg)) ; cairo_fill (cr) ; } ; } } else { float gain = 1.0 ; if (render->autogain) { AGC agc ; calc_peak (infile, info, width, render->channel, &agc) ; float mxv = 0.0 ; if (render->what & PEAK) mxv = MAX (mxv, MAX (agc.max, -agc.min)) ; if (render->what & RMS) mxv = MAX (mxv, agc.rms) ; if (mxv != 0) gain = 1.0 / mxv ; } ; render_waveform (surface, render, infile, info, (render->border ? LEFT_BORDER : 0.0), (render->border ? TOP_BORDER : 0.0), width, height, render->channel, gain) ; if (render->border) render_wav_border (surface, render, LEFT_BORDER, width, TOP_BORDER, height, gain) ; } ; if (render->border) { render_title (surface, render, LEFT_BORDER, TOP_BORDER, info->channels) ; render_y_legend (surface, render, TOP_BORDER, height) ; if (render->tc_den > 0) render_timecode (surface, render, info, LEFT_BORDER, width, TOP_BORDER, height) ; else render_timeaxis (surface, render, info, LEFT_BORDER, width, TOP_BORDER, height) ; } ; return ; } /* render_to_surface */ static void render_cairo_surface (RENDER * render, SNDFILE *infile, SF_INFO *info) { cairo_surface_t * surface = NULL ; cairo_status_t status ; surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, render->width, render->height) ; if (surface == NULL || cairo_surface_status (surface) != CAIRO_STATUS_SUCCESS) { status = cairo_surface_status (surface) ; printf ("Error while creating surface: %s\n", cairo_status_to_string (status)) ; return ; } ; cairo_surface_flush (surface) ; render_to_surface (render, infile, info, surface) ; status = cairo_surface_write_to_png (surface, render->pngfilepath) ; if (status != CAIRO_STATUS_SUCCESS) printf ("Error while creating PNG file: %s\n", cairo_status_to_string (status)) ; cairo_surface_destroy (surface) ; return ; } /* render_cairo_surface */ static void render_sndfile (RENDER * render) { SNDFILE *infile ; SF_INFO info ; sf_count_t max_width ; memset (&info, 0, sizeof (info)) ; infile = sf_open (render->sndfilepath, SFM_READ, &info) ; if (infile == NULL) { printf ("Error: failed to open file '%s': \n%s\n", render->sndfilepath, sf_strerror (NULL)) ; exit (EXIT_FAILURE) ; } ; if (render->channel > info.channels) { printf ("Error: channel parameter must be in range [%d, %d]\n", -1, info.channels) ; sf_close (infile) ; exit (EXIT_FAILURE) ; } ; max_width = info.frames ; if (render->border) max_width += LEFT_BORDER + RIGHT_BORDER ; if (render->width > max_width) { printf ("Error: soundfile is too short. Decrease image width below %ld.\n", (long int) max_width) ; sf_close (infile) ; exit (EXIT_FAILURE) ; } ; if (render->geometry_no_border) // given geometry applies to wave-form (per channel) without border. { if (render->channel < 0) render->height = render->height * info.channels + (info.channels-1) * render->channel_separation ; if (render->border) { render->width += LEFT_BORDER + RIGHT_BORDER ; render->height += TOP_BORDER + BOTTOM_BORDER ; } ; } ; if (render->tc_den > 0 && render->parse_bwf) /* use BWF timecode offset */ { SF_BROADCAST_INFO_2K binfo ; memset (&binfo, 0, sizeof (binfo)) ; if (sf_command (infile, SFC_GET_BROADCAST_INFO, &binfo, sizeof (binfo))) { int64_t to = binfo.time_reference_high ; to = (to << 32) + binfo.time_reference_low ; render->tc_off = (double) to ; } else render->tc_off = 0 ; } ; render->tc_off /= 1.0 * info.samplerate ; render_cairo_surface (render, infile, &info) ; sf_close (infile) ; return ; } /* render_sndfile */ static void check_int_range (const char * name, int value, int lower, int upper) { if (value < lower || value > upper) { printf ("Error: '%s' parameter must be in range [%d, %d]\n", name, lower, upper) ; exit (EXIT_FAILURE) ; } ; } /* check_int_range */ /* NOTE: after editing this, run * make && help2man -N -n 'waveform image generator' ./bin/sndfile-waveform -o man/sndfile-waveform.1 */ static void usage_exit (char * argv0, int status) { printf ("%s - waveform image generator\n\n", basename (argv0)) ; printf ( "Creates a PNG image depicting the wave-form of an audio file.\n" "Peak-signal and RMS values can be displayed in the same plot,\n" "where the horizontal axis always represents time.\n" "\n" "The vertical axis can be plotted logarithmically, and the signal\n" "can optionally be rectified.\n" "\n" "The Time-axis annotation unit is either seconds, audio-frames or timecode\n" "using broadcast-wave time reference meta-data.\n" "\n" "The tool can plot individual channels, reduce the file to mono,\n" "or plot all channels in vertically arrangement.\n" "\n" "Colours (ARGB) and image- or waveform geometry can be freely specified.\n" "\n") ; printf ("Usage: %s [OPTION] \n", argv0) ; printf ("\n" "Options:\n" " -A, --textcolour specify text and border colour; default 0xffffffff\n" " all colours as hexadecimal AA RR GG BB values\n" " -b, --border display a border with annotations\n" " -B, --background specify background colour; default 0x8099999f\n" " -c, --channel choose channel (s) to plot, 0: merge to mono;\n" " < 0: render all channels vertically separated;\n" " > 0: render only specified channel. (default: 0)\n" " -C, --centerline set colour of zero/center line (default 0x4cffffff)\n" " -F, --foreground specify foreground colour; default 0xff333333\n" " -g x, --geometry x\n" " specify the size of the image to create\n" " default: 800x192\n" " -G, --borderbg specify border/annotation background colour;\n" " default 0xb3ffffff\n" " -h, --help display this help and exit\n" " -l, --logscale use logarithmic scale\n" " --no-peak only draw RMS signal using foreground colour\n" " --no-rms only draw signal peaks (exclusive with --no-peak).\n" " -r, --rectified rectify waveform\n" " -R, --rmscolour specify RMS colour; default 0xffb3b3b3\n" " -s, --gainscale zoom into y-axis, map max signal to height.\n" " -S, --separator vertically separate channels by N pixels\n" " (default: 12) - only used with -c -1\n" " -t [/], --timecode [/]\n" " use timecode instead of seconds for x-axis;\n" " The numerator must be set, the denominator\n" " defaults to 1 if omitted.\n" " If the value is negative, audio-frames are used.\n" " -T override the BWF time-reference (if any);\n" " the offset is specified in audio-frames\n" " and only used with timecode (-t) annotation.\n" " -O, --border-width change outer border width\n" " default: 1.0\n" " -V, --version output version information and exit\n" " -W, --wavesize given geometry applies to the plain wave-form.\n" " image height depends on number of channels.\n" " border-sizes are added to width and height.\n" "\n" "Report bugs to .\n" "Website and manual: \n" "Example images: \n" "\n") ; exit (status) ; } /* usage_exit */ static struct option const long_options [] = { { "help", no_argument, 0, 'h' }, { "version", no_argument, 0, 'V' }, { "border", no_argument, 0, 'b' }, { "logscale", no_argument, 0, 'l' }, { "rectified", no_argument, 0, 'r' }, { "rectify", no_argument, 0, 'r' }, { "border-width", required_argument, 0, 'O' }, { "geometry", required_argument, 0, 'g' }, { "separator", required_argument, 0, 'S' }, { "wavesize", no_argument, 0, 'W' }, { "gainscale", no_argument, 0, 's' }, { "channel", required_argument, 0, 'c' }, { "textcolour", required_argument, 0, 'A' }, { "foreground", required_argument, 0, 'F' }, { "background", required_argument, 0, 'B' }, { "rmscolour", required_argument, 0, 'R' }, { "borderbg", required_argument, 0, 'G' }, { "timecode", required_argument, 0, 't' }, { "timeoffset", required_argument, 0, 'T' }, { "no-peak", no_argument, 0, 1 }, { "no-rms", no_argument, 0, 2 }, { NULL, 0, NULL, 0 } } ; int main (int argc, char * argv []) { RENDER render = { NULL, NULL, NULL, /*width*/ 800, /*height*/ 200, /*channel_separation*/ NORMAL_FONT_SIZE, /*channel*/ 0, /*what*/ PEAK | RMS, /*autogain*/ false, /*border*/ false, /*geometry_no_border*/ false, /*logscale*/ false, /*rectified*/ false, /*foreground*/ { 0.2, 0.2, 0.2, 1.0 }, /*wave-rms*/ { 0.7, 0.7, 0.7, 1.0 }, /*background*/ { 0.6, 0.6, 0.6, 0.5 }, /*annotation*/ { 1.0, 1.0, 1.0, 1.0 }, /*border-bg*/ { 0.0, 0.0, 0.0, 0.7 }, /*center-line*/ { 1.0, 1.0, 1.0, 0.3 }, /*timecode num*/ 0, /*den*/ 0, /*offset*/ 0.0, /*parse BWF*/ true, /*border-width*/ 2.0f, } ; int c ; while ((c = getopt_long (argc, argv, "A:" /* --annotation */ "b" /* --border */ "B:" /* --background */ "c:" /* --channel */ "C:" /* --centerline */ "F:" /* --foreground */ "G:" /* --borderbg */ "g:" /* --geometry */ "O:" /* --border-width */ "h" /* --help */ "l" /* --logscale */ "r" /* --rectified */ "R:" /* --rmscolour */ "t:" /* --timecode */ "s" /* --gainscale */ "S:" /* --separator */ "T:" /* --timeoffset */ "W" /* --wavesize */ "1" /* --no-peak */ "2" /* --no-rms */ "V", /* --version */ long_options, NULL)) != EOF) switch (c) { case 'A' : /* --annotation */ set_colour (&render.c_ann, strtoll (optarg, NULL, 16)) ; break ; case 'B' : /* --background */ set_colour (&render.c_bg, strtoll (optarg, NULL, 16)) ; break ; case 'b' : /* --border */ render.border = true ; break ; case 'c' : /* --channel */ render.channel = parse_int_or_die (optarg, "channel") ; break ; case 'C' : /* --centerline */ set_colour (&render.c_cl, strtoll (optarg, NULL, 16)) ; break ; case 'F' : /* --foreground */ set_colour (&render.c_fg, strtoll (optarg, NULL, 16)) ; break ; case 'G' : /* --borderbg */ set_colour (&render.c_bbg, strtoll (optarg, NULL, 16)) ; break ; case 'W' : /* --borderbg */ render.geometry_no_border = true ; break ; case 'l' : /* --logscale */ render.logscale = true ; break ; case 'g' : /* --geometry*/ { char *b = strdup (optarg) ; render.width = atoi (optarg) ; if (strtok (b, "x:/")) { char *tmp = strtok (NULL, "x:/") ; if (tmp) render.height = atoi (tmp) ; } ; free (b) ; } ; break ; case 'r' : /* --rectified */ render.rectified = true ; break ; case 'R' : /* --rmscolour */ set_colour (&render.c_rms, strtoll (optarg, NULL, 16)) ; break ; case 's' : /* --gainscale */ render.autogain = true ; break ; case 'S' : /* --separator */ render.channel_separation = parse_int_or_die (optarg, "separator") ; break ; case 't' : /* --timecode*/ { char *b = strdup (optarg) ; render.tc_num = atoi (optarg) ; render.tc_den = 1 ; if (strtok (b, ":/")) { char *tmp = strtok (NULL, ":/") ; if (tmp) render.tc_den = atoi (tmp) ; } ; free (b) ; } ; break ; case 'T' : /* --timeoffset */ render.parse_bwf = false ; render.tc_off = strtod (optarg, NULL) ; break ; case 'O' : render.border_width = strtod (optarg, NULL) * 2.0f ; break ; case 1 : memcpy (&render.c_rms, &render.c_fg, sizeof (COLOUR)) ; render.what &= ~PEAK ; break ; case 2 : render.what &= ~RMS ; break ; case 'V' : printf ("%s %s\n\n", argv [0], PACKAGE_VERSION) ; printf ( "Copyright (C) 2007-2012 Erik de Castro Lopo \n" "Written 2011,2012 by Robin Gareus \n\n" "This is free software; see the source for copying conditions. There is NO\n" "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n" ) ; exit (0) ; case 'h' : usage_exit (argv [0], 0) ; /* Falls through. */ default : usage_exit (argv [0], EXIT_FAILURE) ; } ; if (optind + 2 > argc) usage_exit (argv [0], EXIT_FAILURE) ; render.sndfilepath = argv [optind] ; render.pngfilepath = argv [optind + 1] ; if ((render.what & (RMS | PEAK)) == 0) { printf ("Error: at least one of RMS or PEAK must be rendered\n") ; exit (EXIT_FAILURE) ; } ; check_int_range ("width", render.width, MIN_WIDTH, INT_MAX) ; check_int_range ("height", render.height, MIN_HEIGHT + ((!render.geometry_no_border && render.border) ? (TOP_BORDER + BOTTOM_BORDER) : 0), INT_MAX) ; render.filename = strrchr (render.sndfilepath, '/') ; render.filename = (render.filename != NULL) ? render.filename + 1 : render.sndfilepath ; render_sndfile (&render) ; return 0 ; } /* main */ // vim: ts=4 sw=4: sndfile-tools-1.5/src/window.c000066400000000000000000000073431400553006000164030ustar00rootroot00000000000000/* ** Copyright (C) 2007-2015 Erik de Castro Lopo ** ** This program is free software: you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by ** the Free Software Foundation, either version 2 or version 3 of the ** License. ** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program. If not, see . */ #include #include #include #include #include "window.h" #define ARRAY_LEN(x) ((int) (sizeof (x) / sizeof (x [0]))) static double besseli0 (double x) ; static double factorial (int k) ; void calc_kaiser_window (double * data, int datalen, double beta) { /* ** besseli0 (beta * sqrt (1- (2*x/N).^2)) ** w (x) = --------------------------------------, -N/2 <= x <= N/2 ** besseli0 (beta) */ double two_n_on_N, denom ; int k ; denom = besseli0 (beta) ; if (! isfinite (denom)) { printf ("besseli0 (%f) : %f\nExiting\n", beta, denom) ; exit (1) ; } ; for (k = 0 ; k < datalen ; k++) { double n = k + 0.5 - 0.5 * datalen ; two_n_on_N = (2.0 * n) / datalen ; data [k] = besseli0 (beta * sqrt (1.0 - two_n_on_N * two_n_on_N)) / denom ; } ; return ; } /* calc_kaiser_window */ void calc_nuttall_window (double * data, int datalen) { const double a [4] = { 0.355768, 0.487396, 0.144232, 0.012604 } ; int k ; /* ** Nuttall window function from : ** ** http://en.wikipedia.org/wiki/Window_function */ for (k = 0 ; k < datalen ; k++) { double scale ; scale = M_PI * k / (datalen - 1) ; data [k] = a [0] - a [1] * cos (2.0 * scale) + a [2] * cos (4.0 * scale) - a [3] * cos (6.0 * scale) ; } ; return ; } /* calc_nuttall_window */ void calc_hann_window (double * data, int datalen) { int k ; /* ** Hann window function from : ** ** http://en.wikipedia.org/wiki/Window_function */ for (k = 0 ; k < datalen ; k++) data [k] = 0.5 * (1.0 - cos (2.0 * M_PI * k / (datalen - 1))) ; return ; } /* calc_hann_window */ /*============================================================================== */ static double besseli0 (double x) { int k ; double result = 0.0 ; for (k = 1 ; k < 25 ; k++) { double temp ; temp = pow (0.5 * x, k) / factorial (k) ; result += temp * temp ; } ; return 1.0 + result ; } /* besseli0 */ static double factorial (int val) { static double memory [64] = { 1.0 } ; static int have_entry = 0 ; int k ; if (val < 0) { printf ("Oops : val < 0.\n") ; exit (1) ; } ; if (val > ARRAY_LEN (memory)) { printf ("Oops : val > ARRAY_LEN (memory).\n") ; exit (1) ; } ; if (val < have_entry) return memory [val] ; for (k = have_entry + 1 ; k <= val ; k++) memory [k] = k * memory [k - 1] ; have_entry = val ; return memory [val] ; } /* factorial */ /*============================================================================== */ static void init_test (void) __attribute__ ((constructor)) ; static void init_test (void) { /* puts (__func__) ;*/ assert (factorial (0) == 1.0) ; assert (factorial (2) == 2.0) ; assert (factorial (0) == 1.0) ; assert (factorial (5) == 120.0) ; assert (factorial (8) == 40320.0) ; assert (fabs (besseli0 (0.0) - 1.0) < 1e-8) ; assert (fabs (besseli0 (0.5) - 1.06348337074132) < 1e-8) ; assert (fabs (besseli0 (1.0) - 1.26606587775201) < 1e-14) ; assert (fabs (besseli0 (2.0) - 2.27958530233607) < 1e-14) ; assert (fabs (besseli0 (3.5) - 7.37820343222548) < 1e-14) ; } /* init_test */ sndfile-tools-1.5/src/window.h000066400000000000000000000016751400553006000164120ustar00rootroot00000000000000/* ** Copyright (C) 2007-2015 Erik de Castro Lopo ** ** This program is free software: you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by ** the Free Software Foundation, either version 2 or version 3 of the ** License. ** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program. If not, see . */ enum WINDOW_FUNCTION { RECTANGULAR = 0, KAISER = 1, NUTTALL = 2, HANN = 3 } ; void calc_kaiser_window (double * data, int datalen, double beta) ; void calc_nuttall_window (double * data, int datalen) ; void calc_hann_window (double * data, int datalen) ; sndfile-tools-1.5/tests/000077500000000000000000000000001400553006000152745ustar00rootroot00000000000000sndfile-tools-1.5/tests/common_tests.c000066400000000000000000000042051400553006000201530ustar00rootroot00000000000000/* ** Copyright (C) 2012-2013 Erik de Castro Lopo ** Copyright (C) 2013 driedfruit ** ** This program is free software: you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by ** the Free Software Foundation, either version 2 or version 3 of the ** License. ** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program. If not, see . */ #include #include #include #include #include #include static void parse_int_test (void) ; int main (void) { parse_int_test () ; return 0 ; } /* main */ /*=============================================================================== */ static void fork_parse_int (const char * str, int value, int should_parse) { pid_t pid ; int status = 0 ; if ((pid = fork ()) < 0) { printf ("Error : fork() failed.\n") ; exit (1) ; } ; if (pid == 0) { int parsed ; if (!freopen ("/dev/null", "w", stderr)) { printf ("Error: freopen() failed.\n") ; exit (1) ; } ; parsed = parse_int_or_die (str, "test") ; if (should_parse && parsed != value) { printf ("Error : Parse of '%s' resulted in %d, not %d\n", str, parsed, value) ; exit (1) ; } ; exit (0) ; } ; if (waitpid (pid, &status, 0) != pid) { printf ("Error : waitpid() failed.\n") ; exit (1) ; } ; if (should_parse && status != 0) exit (1) ; return ; } /* fork_parse_int */ static void parse_int_test (void) { printf ("%-37s : ", __func__) ; fflush (stdout) ; fork_parse_int ("1234", 1234, SF_TRUE) ; fork_parse_int ("+1234", +1234, SF_TRUE) ; fork_parse_int ("-1234", -1234, SF_TRUE) ; fork_parse_int ("10000000000000000000000000000000000000000000000000", 0, SF_FALSE) ; fork_parse_int ("die", 0, SF_FALSE) ; puts ("ok") ; } /* parse_int_test */ sndfile-tools-1.5/tests/kaiser_window_test.c000066400000000000000000000034651400553006000213540ustar00rootroot00000000000000/* ** Copyright (C) 2007-2013 Erik de Castro Lopo ** ** This program is free software: you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by ** the Free Software Foundation, either version 2 or version 3 of the ** License. ** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program. If not, see . */ #include #include #include #include #define ARRAY_LEN(x) ((int) ((sizeof (x)) / (sizeof (x [0])))) int main (void) { double window [2000] ; int k ; printf ("%-37s : ", "kaiser_window_test") ; fflush (stdout) ; calc_kaiser_window (window, ARRAY_LEN (window), 1.0) ; for (k = 0 ; k < ARRAY_LEN (window) ; k++) { if (window [k] > 1.0) { printf ("\nError (%s %d) : window [%d] > 1.0.\n", __func__, __LINE__, k) ; exit (1) ; } ; if (window [k] < 0.0) { printf ("\nError (%s %d) : window [%d] < 0.0.\n", __func__, __LINE__, k) ; exit (1) ; } ; } ; if (fabs (window [0] - window [ARRAY_LEN (window) - 1]) > 1e-20) { printf ("\nError (%s %d) : fabs (%f - %f) > 1e-20)\n", __func__, __LINE__, window [0], window [ARRAY_LEN (window) - 1]) ; exit (1) ; } ; calc_kaiser_window (window, ARRAY_LEN (window) - 1, 1.0) ; if (fabs (window [0] - window [ARRAY_LEN (window) - 2]) > 1e-20) { printf ("\nError (%s %d) : fabs (%f - %f) > 1e-20)\n", __func__, __LINE__, window [0], window [ARRAY_LEN (window) - 1]) ; exit (1) ; } ; puts ("ok") ; return 0 ; } /* main */ sndfile-tools-1.5/tests/test-wrapper.sh000077500000000000000000000025331400553006000202730ustar00rootroot00000000000000#!/bin/bash # Make sure we have valgrind. valgrind=$(which valgrind) if test $? -ne 0 ; then echo "Sorry, valgrind isn't installed so this test cannot be run." exit 0 fi tmpdir=tmp-`date "+%Y%m%dT%H%M%S"` mkdir $tmpdir logfile=$tmpdir/valgrind.txt function vgtest { printf "valgrind %-28s : " $1 $valgrind $@ > $logfile 2>&1 errors=`grep 'ERROR SUMMARY' $logfile | sed "s/.*Y: //;s/ .*//"` lost=`grep 'definitely lost' $logfile | sed "s/.*: //;s/ .*//;s/,//"` if test -z "$lost" ; then lost="0" fi if test "$lost:$errors" != "0:0" ; then echo "$errors errors, $lost bytes leaked" else echo "ok" fi } function asantest { printf "asan %-28s : " $1 $@ > $logfile 2>&1 if test $? -ne 0 ; then echo "error" cat $logfile exit 1 fi echo "ok" } function testwrap { if test $(ldd $1 | grep -c libasan) -eq 0 ; then vgtest $@ else asantest $@ fi } testwrap bin/sndfile-generate-chirp 44100 1 $tmpdir/chirp.wav testwrap bin/sndfile-resample -to 48000 -c 2 $tmpdir/chirp.wav $tmpdir/chirp2.wav testwrap bin/sndfile-resample -to 48000 -c 3 $tmpdir/chirp.wav $tmpdir/chirp2.wav testwrap bin/sndfile-resample -to 48000 -c 4 $tmpdir/chirp.wav $tmpdir/chirp2.wav testwrap bin/sndfile-spectrogram $tmpdir/chirp.wav 640 480 $tmpdir/chirp.png testwrap bin/sndfile-waveform $tmpdir/chirp.wav $tmpdir/wavform.png rm -rf ./$tmpdir exit 0