pax_global_header00006660000000000000000000000064143652721750014526gustar00rootroot0000000000000052 comment=9f8426a8eb85e8aac9b19b9984b3eeb39fbacfd6 dablin-1.15.0/000077500000000000000000000000001436527217500130435ustar00rootroot00000000000000dablin-1.15.0/.gitignore000066400000000000000000000001001436527217500150220ustar00rootroot00000000000000*~ /.idea/ /cmake-build-debug/ /.cproject /.project /.settings/ dablin-1.15.0/.travis.yml000066400000000000000000000011331436527217500151520ustar00rootroot00000000000000language: c++ sudo: required dist: xenial addons: &addons apt: sources: &sources - ubuntu-toolchain-r-test packages: &packages - libfaad-dev - libfdk-aac-dev - libmpg123-dev - libsdl2-dev - libgtkmm-3.0-dev - g++-9 script: - | mkdir build_faad pushd build_faad cmake -DCMAKE_C_COMPILER=gcc-9 -DCMAKE_CXX_COMPILER=g++-9 .. make sudo make install popd - | mkdir build_fdkaac pushd build_fdkaac cmake -DUSE_FDK-AAC=1 -DCMAKE_C_COMPILER=gcc-9 -DCMAKE_CXX_COMPILER=g++-9 .. make sudo make install popd dablin-1.15.0/CMakeLists.txt000066400000000000000000000135221436527217500156060ustar00rootroot00000000000000######################################################################## # Project setup ######################################################################## cmake_minimum_required(VERSION 2.8.4) project(dablin C CXX) # Select the release build type by default to get optimization flags if(NOT CMAKE_BUILD_TYPE) set(CMAKE_BUILD_TYPE "Release") message(STATUS "Build type not specified: defaulting to release.") endif(NOT CMAKE_BUILD_TYPE) set(CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE} CACHE STRING "") list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/Modules) include(CheckCXXSourceCompiles) enable_testing() ######################################################################## # Build the FEC library before setting up DABlin application builds. ######################################################################## add_subdirectory(fec) ######################################################################## # Version information ######################################################################## # version derived from git (if possible) execute_process( COMMAND git describe --dirty OUTPUT_VARIABLE VERSION_FROM_GIT ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE ) if(VERSION_FROM_GIT) add_definitions(-DDABLIN_VERSION="${VERSION_FROM_GIT}") set(VERSION_OUTPUT ${VERSION_FROM_GIT}) else() set(VERSION_OUTPUT "[see src/version.h]") endif() ######################################################################## # Compiler specific setup ######################################################################## if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang") set(CMAKE_COMPILER_IS_CLANGXX 1) endif() if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANGXX) # C++11 add_compile_options(-std=c++0x) # warnings add_compile_options(-Wall) add_compile_options(-Wextra) elseif(MSVC) # TODO endif() if(CMAKE_COMPILER_IS_GNUCXX) if(CMAKE_BUILD_TYPE STREQUAL "Release") # strip symbols (TODO: add also for clang) SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -s") endif() # hardening (TODO: add also for clang/Cygwin) add_compile_options(-fstack-protector-strong) add_compile_options(-fPIE) SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pie") if(NOT CYGWIN) SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -z now") endif() endif() # support 2GB+ files on 32bit systems add_definitions(-D_FILE_OFFSET_BITS=64) # enable newer POSIX API add_definitions(-D_POSIX_C_SOURCE=200809L) ######################################################################## # Find build dependencies ######################################################################## find_package(PkgConfig) find_package(Threads REQUIRED) # SDL2 if(NOT DISABLE_SDL) pkg_check_modules(SDL2 sdl2 REQUIRED) include_directories(${SDL2_INCLUDE_DIRS}) link_directories(${SDL2_LIBRARY_DIRS}) list(APPEND dablin_sources sdl_output.cpp) else() add_definitions(-DDABLIN_DISABLE_SDL) endif() # libmpg123 pkg_check_modules(MPG123 libmpg123 REQUIRED) include_directories(${MPG123_INCLUDE_DIRS}) link_directories(${MPG123_LIBRARY_DIRS}) # gtkmm 3.0 pkg_check_modules(GTKMM gtkmm-3.0) if(GTKMM_FOUND) include_directories(${GTKMM_INCLUDE_DIRS}) link_directories(${GTKMM_LIBRARY_DIRS}) endif() if(USE_FDK-AAC) # fdk-aac / fdk-aac-dabplus pkg_check_modules(FDKAAC fdk-aac) pkg_check_modules(FDKAAC-DABPLUS fdk-aac-dabplus) if(NOT(FDKAAC_FOUND OR FDKAAC-DABPLUS_FOUND)) message(FATAL_ERROR "fdk-aac or fdk-aac-dabplus required to compile dablin with USE_FDK-AAC\n") endif() if(FDKAAC-DABPLUS_FOUND) include_directories(${FDKAAC-DABPLUS_INCLUDE_DIRS}) link_directories(${FDKAAC-DABPLUS_LIBRARY_DIRS}) list(APPEND AAC_LIB ${FDKAAC-DABPLUS_LIBRARIES}) else() include_directories(${FDKAAC_INCLUDE_DIRS}) link_directories(${FDKAAC_LIBRARY_DIRS}) list(APPEND AAC_LIB ${FDKAAC_LIBRARIES}) endif() add_definitions(-DDABLIN_AAC_FDKAAC) else() # libfaad2 find_package(FAAD REQUIRED) include_directories(${FAAD_INCLUDE_DIRS}) link_directories(${FAAD_LIBRARY_DIRS}) list(APPEND AAC_LIB ${FAAD_LIBRARIES}) add_definitions(-DDABLIN_AAC_FAAD2) endif() # iconv find_package(ICONV REQUIRED) include_directories(${ICONV_INCLUDE_DIRS}) link_directories(${ICONV_LIBRARY_DIRS}) # atomic list(APPEND CMAKE_REQUIRED_FLAGS -std=c++0x) check_cxx_source_compiles(" #include std::atomic x(1.0); int main() {return x;}" NATIVE_ATOMICS_SUPPORT ) if(NOT NATIVE_ATOMICS_SUPPORT) find_package(ATOMIC REQUIRED) link_directories(${ATOMIC_LIBRARY_DIRS}) endif() ######################################################################## # Setup DABlin application build ######################################################################## add_subdirectory(src) add_subdirectory(doc) ######################################################################## # Print Summary ######################################################################## message(STATUS "") message(STATUS "##########################################################") message(STATUS "## Building version: ${VERSION_OUTPUT}") message(STATUS "## Using install prefix: ${CMAKE_INSTALL_PREFIX}") if(NOT GTKMM_FOUND) message(STATUS "## gtkmm not found, thus do not build dablin_gtk") endif() message(STATUS "##########################################################") message(STATUS "") ######################################################################## # Create uninstall target ######################################################################## configure_file( "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in" "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake" IMMEDIATE @ONLY) add_custom_target(uninstall COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake) dablin-1.15.0/COPYING000066400000000000000000001045131436527217500141020ustar00rootroot00000000000000 GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright (C) 2007 Free Software Foundation, Inc. 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But first, please read . dablin-1.15.0/README.md000066400000000000000000000546451436527217500143400ustar00rootroot00000000000000# DABlin – capital DAB experience DABlin plays a DAB/DAB+ audio service – from a live transmission or from a stored ensemble recording (ETI-NI, or EDI AF with ETI). Both DAB (MP2) and DAB+ (AAC-LC, HE-AAC, HE-AAC v2) services are supported. The GTK GUI version in addition supports the data applications Dynamic Label and MOT Slideshow (if used by the selected service). ## Screenshots ### GTK GUI version ![Screenshot of the GTK GUI version](https://basicmaster.de/dab/DABlin.png) ### Console version ![Screenshot of the console version](https://basicmaster.de/dab/DABlin_console.png) ## Requirements ### General Besides Git a C/C++ compiler (with C++11 support) and CMake are required to build DABlin. On Debian or Ubuntu, the respective packages (with GCC as C/C++ compiler) can be installed using aptitude or apt-get, for example: ```sh sudo apt-get install git gcc g++ cmake ``` ### Libraries The following libraries are required: * mpg123 (1.14.0 or higher) * FAAD2 * SDL2 The GTK GUI version in addition requires: * gtkmm Usually the `glibc` implementation of `iconv` is available. If this is not the case, in addition `libiconv` is required. In rare cases, the target architecture does not support *atomics*. In such a case, DABlin is linked against GCC's `libatomic`. This lib usually is an (indirect) dependency of GCC itself. On Debian or Ubuntu, mpg123, FAAD2, SDL2 and gtkmm are packaged and installed with: ```sh sudo apt-get install libmpg123-dev libfaad-dev libsdl2-dev libgtkmm-3.0-dev ``` On Fedora, mpg123, SDL2, and gtkmm are all packaged and can be installed thus: ```sh sudo dnf install mpg123-devel SDL2-devel gtkmm30-devel ``` FAAD2 is not packaged in the main Fedora repository, but it is available in [RPM Fusion repository](https://rpmfusion.org/). Once you have added RPM Fusion to the repositories, FAAD2 may be installed by: ```sh sudo dnf install faad2-devel ``` If you do not wish to, or cannot, add the RPM Fusion repositories, you will have to download FAAD2, perhaps from [here](http://www.audiocoding.com/faad2.html), and build and install manually. ### Alternative DAB+ decoder Instead of using FAAD2, DAB+ channels can be decoded with [FDK-AAC](https://github.com/mstorsjo/fdk-aac). You can also use [OpenDigitalradio's fork](https://github.com/Opendigitalradio/fdk-aac), if already installed. On Debian and Ubuntu, you can install FDK-AAC with: ```sh sudo apt-get install libfdk-aac-dev ``` On Fedora, RPM Fusion is again needed and, if used, you can: ```sh sudo dnf install fdk-aac-devel ``` When the alternative AAC decoder is used, the FAAD2 library mentioned above is no longer required. After installing the library, to use FDK-AAC instead of FAAD2, you have to have `-DUSE_FDK-AAC=1` as part of the `cmake` command. ### Audio output The SDL2 library is used for audio output, but you can instead choose to output the decoded audio in plain PCM for further processing (e.g. for forwarding to a streaming server). In case you only want PCM output, you can disable SDL output and therefore omit the SDL2 library prerequisite. You then also have to have `-DDISABLE_SDL=1` as part of the `cmake` command. To enable the PCM output to `stdout`, the `-p` parameter has to be used. It is also possible to disable the output of any decoded audio and instead output the current service as an untouched MP2/AAC stream to `stdout`. This can be achieved by using the `-u` parameter. ### Surround sound Services with surround sound are only decoded from their Mono/Stereo core, as unfortunately there is no FOSS AAC decoder which supports the required Spatial Audio Coding (SAC) extension of MPEG Surround at the moment. ## Precompiled packages and source-based Linux distributions Official precompiled packages are available for the following Linux distributions (kindly maintained by Gürkan Myczko): * [Debian](https://packages.debian.org/dablin) * [Ubuntu](https://launchpad.net/ubuntu/+source/dablin) Starting with Debian 10 and Ubuntu 18.04, you can simply install DABlin from the official package sources (note that the GitHub version may be newer): ```sh sudo apt-get install dablin ``` Some users kindly provide precompiled packages on their own: * [openSUSE](https://build.opensuse.org/package/show/home:mnhauke:ODR-mmbTools/dablin) (by Martin Hauke) * [CentOS](https://build.opensuse.org/package/show/home:radiorabe:dab/dablin) (by [Radio Bern RaBe 95.6](http://rabe.ch)); [more info](https://github.com/radiorabe/centos-rpm-dablin) For other distributions you may also want to check the [Repology page](https://repology.org/metapackage/dablin). Source-based Linux distributions: * [Gentoo](https://github.com/paraenggu/delicious-absurdities-overlay/tree/master/media-sound/dablin) (by Christian Affolter, as part of his [delicious-absurdities-overlay](https://github.com/paraenggu/delicious-absurdities-overlay)) ## Ubuntu 20.04, FAAD2 and HE-AAC v2 services Ubuntu 20.04 currently ships a version of the FAAD2 library which can't decode HE-AAC v2 services (= SBR and PS) due to a [bug](https://github.com/knik0/faad2/pull/51). This affects FAAD2 version 2.9.0 and 2.9.1. To address this, a more recent version of the library can be compiled. First make sure, you have automake and libtool installed on your system. ``` sudo apt-get install automake libtool ``` Then continue with ```sh git clone -b 2_9_2 https://github.com/knik0/faad2.git cd faad2 ./bootstrap ./configure make sudo make install sudo ldconfig ``` Now DABlin (and all other applications) uses the newer lib version. If the newer lib version shall only be used together with DABlin, the two last commands must not be executed. Instead DABlin has always to be invoked with the following prefix string (assuming the above commands were executed in `/home/my_user`): ```sh LD_LIBRARY_PATH=/home/my_user/faad2/libfaad/.libs/ ``` ## Compilation If the gtkmm library is available both the console and GTK GUI executables will be built, otherwise only the console executable will be built. To fetch the DABlin source code, execute the following commands: ```sh git clone https://github.com/Opendigitalradio/dablin.git cd dablin ``` Note that by default the `master` branch is cloned which contains the current stable version. The development takes place in the `next` branch which can instead be cloned by appending `-b next` to the end of the above `git clone` command line. You can use, for example, the following command sequence in order to compile and install DABlin (for Ubuntu 20.04 please also see above): ```sh mkdir build cd build cmake .. make sudo make install ``` ### Windows (Cygwin) DABlin can also be compiled on Windows using [Cygwin](https://cygwin.com/). The following Cygwin packages are required: General: - git - make - cmake - gcc-core - gcc-g++ DABlin specific (using FDK-AAC for DAB+ services): - libmpg123-devel - libfdk-aac-devel - libSDL2-devel - libiconv-devel In addition for the GTK version: - libgtkmm3.0-devel Note that the GTK version requires an X server to run e.g. Cygwin/X! Also note that Cygwin neither needs nor allows to `sudo` commands, so just execute them without that prefix. Unfortunately the Cygwin package of FDK-AAC doesn't seem to have been compiled with SBR support, so using [FAAD2](http://www.audiocoding.com/faad2.html) for DAB+ services is recommended. However, FAAD2 has to be compiled and installed by hand, as there is no Cygwin package. This requires the following additional packages to be installed: - autoconf - automake - libtool ![Screenshot of the console version on Windows (Cygwin)](https://basicmaster.de/dab/DABlin_console_cygwin.png) When Cygwin is installed, all the aforementioned packages can be preselected for installation by calling Cygwin's `setup-.exe` with the following parameter: ```sh -P git,make,cmake,gcc-core,gcc-g++,libmpg123-devel,libfdk-aac-devel,libSDL2-devel,libiconv-devel,libgtkmm3.0-devel,autoconf,automake,libtool ``` ### macOS On macOS, the development environment can be installed by running `xcode-select`. This installs Git and a C/C++ compiler (clang). All other packages and development libraries can be installed using a package manager such as [Homebrew](https://brew.sh), for example: ```sh xcode-select --install brew install pkg-config cmake gtkmm gtkmm3 adwaita-icon-theme sdl2 fftw faad2 mpg123 ``` ## Usage The console executable is called `dablin`, the GTK GUI executable `dablin_gtk`. Use `-h` to get an overview of all available options. (Currently no desktop files are installed so it is not easy to start DABlin directly from GNOME Shell. For now, at least, start DABlin from a console.) DABlin processes DAB ETI-NI or EDI recordings/streams (which may be frame-aligned or not i.e. any data before/after an ETI/EDI frame is discarded). If no filename is specified, `stdin` is used for input. You just should specify the service ID (SID) of the desired service using `-s` - otherwise initially no service is played. The GUI version of course does not necessarily need this. You can replay an existing recording as follows: ```sh dablin -s 0xd911 mux.eti ``` In this case a progress indicator and the current position is displayed. As an alternative a service label can be specified with the `-l` option. Note that if the label contains spaces, it has to be enclosed by quotes (or the spaces be properly escaped): ```sh dablin -l "SWR1 RP" mux.eti ``` The parameter `-1` (the number one, not the small letter L) simply plays the first service found. With the console version, instead of the desired service it is also possible to directly request a specific sub-channel by using `-r` (for DAB) or `-R` (for DAB+). Note that the console output always shows the programme type just using RDS PTys despite the actually used international table ID (which should work in nearly all cases). The GTK version in contrast always shows the correct programme type, based on the transmitted international table ID. Dynamic FIC messages can be suppressed using `-F` (currently affects dynamic PTy only). ### Date/Time The console version shows the related parameters as they are received: While the Local Time Offset (LTO) is shown upon any change, the UTC date/time is shown once (or once again on precision change). The GTK version in contrast starts to display the local date/time as soon as both mentioned values have been received. The used clock is then resynchronised upon further received UTC date/time. If an ensemble transmits both short (minute precision) and long (millisecond precision) form, only the long form will be used, as soon as received for the first time. ### Announcement support/switching In terms of announcement support/switching the console version shows the separate details. The GUI combines the received data and in general shows which announcements the current service supports. During a matching announcement, the corresponding type is highlighted in yellow. An announcement that would lead to a (temporary) switch to a different subchannel leads to cyan highlighting instead e.g. if traffic news of a different channel shall affect also listeners of a different service (which does not have its own announcements). The GTK version indicates an active alarm announcement on ensemble level by the suffix "Alarm" after the ensemble label, highlighted in red. ### Hotkeys (GTK GUI version) To switch the channel instead of the service, press `Ctrl` in addition. Hotkey | Meaning -----------------|-------------------------------------------------------------- `m` | Enable/disable audio mute `r` | Start/stop recording `Ctrl` + `c` | Copy DL text, DL+ object text or Slideshow slide to clipboard `-` | Switch to previous service `+` | Switch to next service `1`..`0` | Switch to 1st..10th service `Alt` + `1`..`0` | Switch to 11th..20th service `Ctrl` + `Space` | Stop/resume decoding the current channel/service ### DAB live reception If you want to play a live station, you can use `dab2eti` from [dabtools](https://github.com/Opendigitalradio/dabtools) (ODR maintained fork) and transfer the ETI live stream via pipe, e.g.: ```sh dab2eti 216928000 | dablin_gtk ``` It is possible to let DABlin invoke `dab2eti` or any other DAB live source that outputs ETI-NI. The respective binary is then called with the necessary parameters, including the frequency and an optional gain value. You therefore just have to specify the path to the `dab2eti` binary and the desired channel. ```sh dablin -d ~/bin/dab2eti -c 11D -s 0xd911 ``` Using `dab2eti` the E4000 tuner is recommended as auto gain is supported with it. If you want/have to use a gain value you can specify it using `-g`. Instead of auto gain, the default gain can be set using `-G` (only affects `eti-cmdline` at the moment). Instead of `dab2eti` the tool `eti-cmdline` by Jan van Katwijk can be used, as it has more sensitive reception (however the CPU load is higher compared to `dab2eti`) and does not require a E4000 tuner for auto gain. It is part of his [eti-stuff](https://github.com/JvanKatwijk/eti-stuff). In addition to specifying the path to the respective binary you also have to change the DAB live source type accordingly by using `-D`. ```sh dablin -D eti-cmdline -d ~/bin/eti-cmdline-rtlsdr -c 11D -s 0xd911 ``` When enclosed in quotes, you can also pass command line parameters to the binary, e.g. to set some frequency correction (here: +40 ppm): ```sh dablin -D eti-cmdline -d "~/bin/eti-cmdline-rtlsdr -p 40" -c 11D -s 0xd911 ``` In case of the GTK GUI version the desired channel may not be specified. To avoid the huge channel list containing all possible DAB channels, one can also state the desired channels (separated by comma) which shall be displayed within the channel list. Hereby the specified (general) gain value can also be overwritten for a channel by adding the desired value after a colon, e.g. `5C:-54`. ```sh dablin_gtk -d ~/bin/dab2eti -c 11D -C 5C,7B,11A,11C,11D -s 0xd911 ``` You also can use an Airspy or Airspy Mini, but you have to specify the `-G` parameter. ```sh dablin_gtk -D eti-cmdline -d ~/bin/eti-cmdline-airspy -c 11D -C 11D -G ``` For a HackRF use it together with the eti-cmdline parameter `-E` (which switches its amplifier on) and with the dablin_gtk parameter `-G`. ```sh dablin_gtk -D eti-cmdline -d "~/bin/eti-cmdline-hackrf -E" -c 11D -C 11D -G ``` For a raw file the syntax is just: ```sh ~/bin/eti-cmdline-rawfiles -F foo.raw | dablin_gtk ``` It may happen that an ETI live stream is interrupted (e.g. transponder lock lost). Later when the stream recovers, DABlin "catches up" on the stream and plays all (available) ETI frames until again in sync. This can lead to several audio buffer overflow messages and respective audible artifacts. The `-I` parameter disables the described catch-up behaviour and instead resyncs to the stream after an interruption i.e. continues to play the later received ETI frames in realtime. However, this means that the playback is delayed by the amount of all previous interruptions i.e. the news will start some seconds/minutes later compared to live reception because of that. The GTK GUI version also allows a user to stop decoding the current channel/service by using the stop button next to the channel combobox. If desired, decoding can then be resumed using the same button again. The `stdin` input can also be used for live reception or playback of an EDI AF stream/recording (containing ETI) e.g. with Netcat, Wget or cURL. Hereby the AF layer may also be enclosed with a File IO layer (usually the case for stored EDI transmissions). Examples: ```sh nc 10.0.0.128 9201 | dablin_gtk -f edi -I ``` ```sh wget -q -O - https://edistream.irt.de/services/3 | dablin_gtk -f edi -I -1 ``` ```sh curl -s https://edistream.irt.de/services/3 | dablin_gtk -f edi -I -1 ``` Playing EDI content the `-I` can be required to prevent ongoing hiccups during playback. In the last two cases, a single service EDI stream for testing purposes is used, so the `-1` parameter is used to select the first found service. ### Recording a service With the GTK GUI version the current service can be recorded into a file. To start/stop a recording, the red record button has to be clicked, or the corresponding keyboard shortcut to be pressed. During a recording neither can channel/service be changed, nor can DABlin be closed. By default all recordings are stored to `/tmp`. This can be changed by using the `-r` parameter. The filename of a recording contains the timestamp of the start of the recording and the service name, e.g. `2018-09-02 - 17-53-54 - SWR3.aac`. All recordings are lossless: A DAB service is directly stored in MP2 format. A DAB+ service is packaged into the LATM/LOAS container format. This format is necessary in order to signal the special 960 samples per frame transformation to the AAC decoder for playback. As both formats are streamable, a recording can already be played while the actual recording is still in progress. The AAC recordings can be player e.g. by VLC player. FFmpeg will play them as well, but currently does not support the SBR extension together with the 960 samples per frame transformation and will thus only play the AAC core then. It is possible to enable a recording prebuffer which continuously caches a certain period of time. This allows to record e.g. an already running song or bloopers. When an actual recording is started, the complete prebuffer content is initially written to the recording file. The prebuffer size in seconds is specified using `-P` e.g. `-P 600` for ten minutes. ### Secondary component audio services Some ensembles may contain audio services that consist of additional "sub services" called secondary components, in addition to the primary component. That secondary components can initially be selected by using `-x` in addition to `-s`. In the GTK version in the service list such components are shown prefixed with `» ` (e.g. `» BBC R5LiveSportX`). Meanwhile, the related primary component is suffixed with ` »` (e.g. `BBC Radio 5 Live »`). ## Status output While playback a number of status messages may appear. Some are quite common (enclosed with round brackets) e.g. due to bad reception, while others are rather unlikely to occur (enclosed with square brackets). ### Common During (re-)synchronisation status messages are shown. Furthermore, dropped Superframes or AUs are mentioned. If the Reed Solomon FEC was used to correct bytes of a Superframe, this is mentioned by messages of the format `(3+)` in cyan color. This shorter format is used as those messages occur several times with borderline reception. The digit refers to the number of corrected bytes within the Superframe while a plus (if present) indicates that at least one byte was incorrectable. When a FIB is discarded (due to failed CRC check), this is indicated by a `(FIB)` message in yellow color. MP2 frames with invalid CRC (MP2's CRC only - not DAB's ScF-CRC) are discarded, which is indicated by a `(CRC)` message in red color. Audio Units (AUs) with invalid CRC are mentioned with short format messages like `(AU #2)` in red color, indicating that the CRC check on AU No. 2 failed and hence the AU was dismissed. When the decoding of an AU nevertheless fails, this is indicated by an `(AAC)` message in magenta color. However, in that case the AAC decoder may output audio samples anyway. ### Uncommon If the announced X-PAD length of a DAB+ service does not match the available X-PAD length i.e. if it falls below, a red `[X-PAD len]` message is shown and the X-PAD is discarded. However not all X-PADs may be affected and hence it may happen that the Dynamic Label can be processed but the MOT Slideshow cannot. To anyhow process affected X-PADs, a loose mode can be enabled by using the `-L` parameter. ## Standards DABlin implements (at least partly) the following DAB standards: ### General * ETSI EN 300 401 (DAB system) * ETSI TS 101 756 (Registered tables) * ETSI TS 103 466 (DAB audio) * ETSI TS 102 563 (DAB+ audio) * ETSI ETS 300 799 (ETI) * ETSI TS 102 693 (EDI) together with ETSI TS 102 821 (DCP) ### Data applications * ETSI TS 102 980 (Dynamic Label Plus) * ETSI EN 301 234 (MOT) * ETSI TS 101 499 (MOT Slideshow) ## TODO At the moment, DABlin is kind of a rudimentary tool for the playback of DAB/DAB+ services. It is planned to add support for further Program Aided Data (PAD) features. ### Dynamic Label Plus (DL+) When in the GTK GUI version DL+ is enabled and DL+ objects are received, the DL+ window is shown. Some stations only transmit DUMMY objects - in this case the DL+ window will be shown but stays empty. if the running state indicates that the current item is running, all objects with an ITEM content type have a content type with light green background color. Depending on the object category, the object text is highlighted in bold text or a different text color. Deleted objects have a text with grey background color. ### Slideshow The GTK GUI version supports the MOT Slideshow. If Slideshow is enabled and the current service signals to transmit a Slideshow, the Slideshow window is displayed. It shows a slide after it has been received completely and without errors. While the next slide is being received, a progress bar at the bottom of the Slideshow window shows the fraction that has successfully been received so far. It is always updated after a new segment has arrived free from error. The first segments of the initial slide usually are received before the corresponding header comes by. In this case a pulsing bar is shown until the header is available. Currently the following limitations apply: * slideshows in a separate sub-channel are not supported (just X-PAD); * the TriggerTime field does not support values other than Now ## License This software is licensed under the GNU General Public License Version 3 (please see the file COPYING for further details). ![GPLv3 Image](https://www.gnu.org/graphics/gplv3-88x31.png) *Please note that the included FEC lib by KA9Q has a separate license!* DABlin - capital DAB experience Copyright (C) 2015-2022 Stefan Pöschel 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 . dablin-1.15.0/cmake/000077500000000000000000000000001436527217500141235ustar00rootroot00000000000000dablin-1.15.0/cmake/Modules/000077500000000000000000000000001436527217500155335ustar00rootroot00000000000000dablin-1.15.0/cmake/Modules/FindATOMIC.cmake000066400000000000000000000011271436527217500203130ustar00rootroot00000000000000# - Try to find libatomic # Once done this will define # ATOMIC_FOUND - System has libatomic # ATOMIC_LIBRARIES - The libraries needed to use libatomic find_library(ATOMIC_LIBRARY NAMES atomic libatomic.so.1 HINTS ${PC_ATOMIC_LIBDIR} ${PC_ATOMIC_LIBRARY_DIRS} ) set(ATOMIC_LIBRARIES ${ATOMIC_LIBRARY}) include(FindPackageHandleStandardArgs) # handle the QUIETLY and REQUIRED arguments and set ATOMIC_FOUND to TRUE # if all listed variables are TRUE find_package_handle_standard_args(ATOMIC DEFAULT_MSG ATOMIC_LIBRARY) mark_as_advanced(ATOMIC_LIBRARY) dablin-1.15.0/cmake/Modules/FindFAAD.cmake000066400000000000000000000017051436527217500200340ustar00rootroot00000000000000# - Try to find libfaad # Once done this will define # FAAD_FOUND - System has libfaad # FAAD_INCLUDE_DIRS - The libfaad include directories # FAAD_LIBRARIES - The libraries needed to use libfaad # FAAD_DEFINITIONS - Compiler switches required for using libfaad #find_package(PkgConfig) #pkg_check_modules(PC_FAAD QUIET libfaad) #set(FAAD_DEFINITIONS ${PC_FAAD_CFLAGS_OTHER}) find_path(FAAD_INCLUDE_DIR faad.h HINTS ${PC_FAAD_INCLUDEDIR} ${PC_FAAD_INCLUDE_DIRS} ) find_library(FAAD_LIBRARY NAMES faad HINTS ${PC_FAAD_LIBDIR} ${PC_FAAD_LIBRARY_DIRS} ) set(FAAD_LIBRARIES ${FAAD_LIBRARY}) set(FAAD_INCLUDE_DIRS ${FAAD_INCLUDE_DIR}) include(FindPackageHandleStandardArgs) # handle the QUIETLY and REQUIRED arguments and set FAAD_FOUND to TRUE # if all listed variables are TRUE find_package_handle_standard_args(FAAD DEFAULT_MSG FAAD_LIBRARY FAAD_INCLUDE_DIR) mark_as_advanced(FAAD_INCLUDE_DIR FAAD_LIBRARY) dablin-1.15.0/cmake/Modules/FindICONV.cmake000066400000000000000000000020141436527217500202110ustar00rootroot00000000000000# - Try to find libiconv (or libc instead) # Once done this will define # ICONV_FOUND - System has libiconv # ICONV_INCLUDE_DIRS - The libiconv include directories # ICONV_LIBRARIES - The libraries needed to use libiconv # ICONV_DEFINITIONS - Compiler switches required for using libiconv #find_package(PkgConfig) #pkg_check_modules(PC_ICONV QUIET libiconv) #set(ICONV_DEFINITIONS ${PC_ICONV_CFLAGS_OTHER}) find_path(ICONV_INCLUDE_DIR iconv.h HINTS ${PC_ICONV_INCLUDEDIR} ${PC_ICONV_INCLUDE_DIRS} ) find_library(ICONV_LIBRARY NAMES libiconv_a iconv libiconv c HINTS ${PC_ICONV_LIBDIR} ${PC_ICONV_LIBRARY_DIRS} ) set(ICONV_LIBRARIES ${ICONV_LIBRARY}) set(ICONV_INCLUDE_DIRS ${ICONV_INCLUDE_DIR}) include(FindPackageHandleStandardArgs) # handle the QUIETLY and REQUIRED arguments and set ICONV_FOUND to TRUE # if all listed variables are TRUE find_package_handle_standard_args(ICONV DEFAULT_MSG ICONV_LIBRARY ICONV_INCLUDE_DIR) mark_as_advanced(ICONV_INCLUDE_DIR ICONV_LIBRARY) dablin-1.15.0/cmake/cmake_uninstall.cmake.in000066400000000000000000000020131436527217500206770ustar00rootroot00000000000000if(NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt") message(FATAL_ERROR "Cannot find install manifest: @CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt") endif(NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt") file(READ "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt" files) string(REGEX REPLACE "\n" ";" files "${files}") foreach(file ${files}) message(STATUS "Uninstalling $ENV{DESTDIR}${file}") if(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}") exec_program( "@CMAKE_COMMAND@" ARGS "-E remove \"$ENV{DESTDIR}${file}\"" OUTPUT_VARIABLE rm_out RETURN_VALUE rm_retval ) if(NOT "${rm_retval}" STREQUAL 0) message(FATAL_ERROR "Problem when removing $ENV{DESTDIR}${file}") endif(NOT "${rm_retval}" STREQUAL 0) else(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}") message(STATUS "File $ENV{DESTDIR}${file} does not exist.") endif(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}") endforeach(file) dablin-1.15.0/doc/000077500000000000000000000000001436527217500136105ustar00rootroot00000000000000dablin-1.15.0/doc/CMakeLists.txt000066400000000000000000000006441436527217500163540ustar00rootroot00000000000000######################################################################## # Add docs install rules. ######################################################################## if(NOT MAN_INSTALL_DIR) set(MAN_INSTALL_DIR "share/man") endif() # dablin install(FILES dablin.1 DESTINATION ${MAN_INSTALL_DIR}/man1/) # dablin_gtk if(GTKMM_FOUND) install(FILES dablin_gtk.1 DESTINATION ${MAN_INSTALL_DIR}/man1/) endif() dablin-1.15.0/doc/dablin.1000066400000000000000000000035501436527217500151260ustar00rootroot00000000000000.TH DABLIN 1 "2020-04-22" .\"------------------------------------------------------------------------ .SH NAME dablin \- CLI DAB/DAB+ receiver for Linux .\"------------------------------------------------------------------------ .SH SYNOPSIS .B dablin .RI ( options ) .RI [ file ] .\"------------------------------------------------------------------------ .SH DESCRIPTION .B DABlin plays a DAB/DAB+ audio service – from a live transmission or from a stored ensemble recording (ETI-NI, or EDI AF with ETI). Both DAB (MP2) and DAB+ (AAC-LC, HE-AAC, HE-AAC v2) services are supported. .\"------------------------------------------------------------------------ .SH OPTIONS .TP .B \-h Show summary of options .TP .B \-f Source format: "eti" (default), "edi" .TP .B \-d Use DAB live source (using the mentioned binary) .TP .B \-D DAB live source type: "dab2eti" (default), "eti-cmdline" .TP .B \-c Channel to be played (requires DAB live source) .TP .B \-l