dv4l-1.0.orig/0000755000175000017500000000000010754375411013437 5ustar iwamatsuiwamatsudv4l-1.0.orig/dv4l.c0000644000175000017500000005306310754375411014463 0ustar iwamatsuiwamatsu/* * Copyright (C) 2007 Free Software Foundation, Inc. * * 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; version 2. * * 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. * * Author: Wolfgang Beck 2007 */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "config.h" #include "version.h" #include "scale.h" #include "palettes.h" #include "util.h" #define MAXW 1440 #define MAXH 1152 #define MINW 128 #define MINH 96 #define MAXFRAMES 2 #define XSTR(X) STR(X) #define STR(X) #X #define VIDEODEV "/dev/video" #define VIDEOV4LDEV "/dev/v4l/video" #define VIDIOCSINVALID _IO('v',BASE_VIDIOCPRIVATE+1) #define FRM_EMPTY (-1) #define FRM_RDY4SYNC (-2) #ifndef DV4LVERSION #define DV4LVERSION "0.0" #endif /* * these constants are used to detect a vloopback input device * let's hope they won't change them */ #define VLOOP_P1 "Video loopback" #define VLOOP_P1S ((sizeof VLOOP_P1) - 1) #define VLOOP_P2 "input" #define VLOOP_P2S ((sizeof VLOOP_P2) - 1) #define NUM_BUFS 8 typedef enum { MmapMode = 1, WriteMode } mode_t; typedef struct { struct video_mbuf vmbuf; unsigned char *vframebuf; /* * queue of frame numbers returned from user app */ unsigned char *vfreeframes[NUM_BUFS]; int v_wr; int v_rd; int v_cnt; int rgbonly; int v_vfd; mode_t v_mode; struct video_capability vcap; struct video_channel vchan; struct video_picture vpic; struct video_window vwin; } vid_context_t; static int vsync_set[MAXFRAMES]; static unsigned char **buf_enqueue( vid_context_t *ctx, unsigned char *frame ) { unsigned char **rv; if(ctx->v_cnt < NUM_BUFS) { rv = ctx->vfreeframes + ctx->v_wr; ctx->v_wr = (ctx->v_wr + 1) % NUM_BUFS; ++ctx->v_cnt; *rv = frame; } else { rv = NULL; } return rv; } static int buf_empty(const vid_context_t *ctx) { return ctx->v_cnt == 0; } static unsigned char *buf_dequeue(vid_context_t *ctx) { unsigned char *rv; if(ctx->v_cnt > 0) { rv = ctx->vfreeframes[ctx->v_rd]; ctx->v_rd = (ctx->v_rd + 1) % NUM_BUFS; --ctx->v_cnt; } else { rv = NULL; } return rv; } static void init_ctx(vid_context_t *ctx, int w, int h) { snprintf(ctx->vcap.name, sizeof ctx->vcap.name, "DV4Linux dv1394 to V4L"); ctx->vcap.channels = 1; ctx->vcap.audios = 0; ctx->vcap.type = VID_TYPE_CAPTURE; ctx->vcap.maxwidth = w; ctx->vcap.maxheight = h; ctx->vcap.minwidth = MINW; ctx->vcap.minheight = MINH; ctx->vchan.channel = 0; snprintf(ctx->vchan.name, sizeof ctx->vchan.name, "DVCam"); ctx->vchan.tuners = 0; ctx->vchan.type = VIDEO_TYPE_CAMERA; ctx->vchan.flags = 0; ctx->vchan.norm = VIDEO_MODE_AUTO; ctx->vpic.brightness = 0x8000; ctx->vpic.hue = 0x8000; ctx->vpic.colour = 0x8000; ctx->vpic.contrast = 0x8000; ctx->vpic.whiteness = 0x8000; ctx->vpic.depth = 24; ctx->vpic.palette = VIDEO_PALETTE_RGB24; ctx->vwin.x = 0; ctx->vwin.y = 0; if(ctx->vwin.width == 0 && ctx->vwin.height == 0) { ctx->vwin.width = ctx->vcap.maxwidth; ctx->vwin.height = ctx->vcap.maxheight; } else { ctx->vwin.width = w > ctx->vwin.width ? ctx->vwin.width : w; ctx->vwin.height = h > ctx->vwin.height ? ctx->vwin.height : h; } ctx->vwin.clips = NULL; ctx->vwin.clipcount = 0; ctx->v_rd = 0; ctx->v_wr = 0; ctx->v_cnt = 0; } /* * init memory mapped frame buffer shared with the vloopback driver */ static unsigned char *init_vmbuf(vid_context_t *ctx, int fd) { unsigned char *rv; struct video_mbuf *p; int i; p = &ctx->vmbuf; p->size = MAXFRAMES * MAXW * MAXH * 3; p->frames = MAXFRAMES; rv = mmap(NULL, p->size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); if(rv == MAP_FAILED) { perror("mmap"); return NULL; } ctx->vframebuf = rv; for(i = 0; i < p->frames; ++i) { p->offsets[i] = i * MAXW * MAXH * 3; } return rv; } static void cleanup_vmbuf(vid_context_t *ctx) { int i; struct video_mbuf *p; p = &ctx->vmbuf; for(i = 0; i < p->frames; ++i) { if(munmap(ctx->vframebuf, p->size) != 0) { perror("munmap"); } } } /* * handle vloopback ioctls */ static int do_ioctl( int fd, unsigned long nr, const char *buf, vid_context_t *p ) { static int run = 1; unsigned char *vb; int fnr; int stop; const struct video_picture *spic; const struct video_window *swin; const struct video_mmap *smmap; stop = 0; if(run == 0) { memset(vsync_set, FRM_EMPTY, sizeof(int) * MAXFRAMES); run = 1; } switch(nr) { case VIDIOCGCAP: log("VIDIOCGCAP\n"); ioctl(fd, nr, &p->vcap); break; case VIDIOCGCHAN: log("VIDIOCGCHAN\n"); ioctl(fd, nr, &p->vchan); break; case VIDIOCSCHAN: log("VIDIOCSCHAN\n"); ioctl(fd, nr, buf); break; case VIDIOCGPICT: log("VIDIOCGPICT\n"); ioctl(fd, nr, &p->vpic); break; case VIDIOCGMBUF: log("VIDIOCGMBUF\n"); ioctl(fd, nr, &p->vmbuf); break; case VIDIOCGWIN: log("VIDIOCGWIN\n"); ioctl(fd, nr, &p->vwin); break; case VIDIOCSPICT: spic = (const struct video_picture *)buf; log("VIDIOCSPICT depth %d palette %d\n", spic->depth, spic->palette); if(spic->palette != VIDEO_PALETTE_RGB24) { if(p->rgbonly || spic->palette != VIDEO_PALETTE_YUV420P) { ioctl(fd, VIDIOCSINVALID); break; } } p->vpic.palette = spic->palette; ioctl(fd, nr, buf); break; case VIDIOCSWIN: swin = (const struct video_window *)buf; log("VIDIOCSWIN %dx%d\n", swin->width, swin->height); if(swin->clips != NULL || swin->clipcount != 0) { err("VIDIOCSWIN invalid clip\n"); ioctl(fd, VIDIOCSINVALID); break; } if(swin->width != p->vwin.width || swin->height != p->vwin.height) { if(swin->width > MAXW || swin->height > MAXH) { err("VIDIOCSWIN invalid size\n"); ioctl(fd, VIDIOCSINVALID); break; } p->vwin.width = swin->width; p->vwin.height = swin->height; ioctl(fd, nr, buf); break; } else { ioctl(fd, nr, buf); } break; case VIDIOCMCAPTURE: smmap = (const struct video_mmap *)buf; if(smmap->format != p->vpic.palette) { err("VIDIOCMCAPTURE invalid format %d\n", smmap->format); ioctl(fd, VIDIOCSINVALID); } p->vwin.width = smmap->width; p->vwin.height = smmap->height; debug("VIDIOCMCAPTURE ioctl %d\n", smmap->frame); vb = p->vframebuf + p->vmbuf.offsets[smmap->frame]; buf_enqueue(p, vb); ioctl(fd, nr, buf); break; case VIDIOCSYNC: fnr = *(const int *)buf; debug("VIDIOCSYNC %d\n", fnr); if(0 <= fnr && fnr < MAXFRAMES) { switch(vsync_set[fnr]) { case FRM_EMPTY: if(buf_empty(p)) { err("VIDIOCSYNC without VIDIOCMCAPTURE\n"); ioctl(fd, VIDIOCSINVALID); } else { vsync_set[fnr] = fd; } break; case FRM_RDY4SYNC: debug("direct VIDIOCSYNC %d\n", fnr); ioctl(fd, nr, buf); vsync_set[fnr] = FRM_EMPTY; break; default: /* * double SYNC on same frame, threaded user app? */ debug("double VIDIOCSYNC %d\n", fnr); break; } } else { err("SYNC frame out of range %d\n", fnr); ioctl(fd, VIDIOCSINVALID); } break; case 0: ioctl(fd, nr, buf); run = 0; stop = 1; break; default: log("unsupported ioctl 0x%lx\n", nr); ioctl(fd, VIDIOCSINVALID); break; } return stop; } static int checkdev(const char *devname) { int fd; struct video_capability vc; int slen; int rv; fd = open(devname, O_RDWR); if(fd == -1) return -1; if(ioctl(fd, VIDIOCGCAP, &vc) == 0) { close(fd); slen = strlen(vc.name); if(strncmp(VLOOP_P1, vc.name, VLOOP_P1S) == 0) { return !strncmp(VLOOP_P2, vc.name + slen - VLOOP_P2S, VLOOP_P2S) == 0; } rv = -1; } else { rv = -2; } close(fd); return rv; } static int scan_dev(char *devname, int sz, const char **devtmpl) { int i; *devtmpl = VIDEODEV; for(i = 0; i < 10; ++i) { snprintf(devname, sz, VIDEODEV "%d", i); if(checkdev(devname) == 0) return i; } *devtmpl = VIDEOV4LDEV; for(i = 0; i < 10; ++i) { snprintf(devname, sz, VIDEOV4LDEV "%d", i); if(checkdev(devname) == 0) return i; } return -1; } #if 0 static int selport(raw1394handle_t h) { int num; int i; struct raw1394_portinfo pinf[16]; int rv; num = raw1394_get_port_info(h, pinf, 16); rv = -1; for(i = 0; i < num; ++i) { printf("nodes %d name <%s>\n", pinf[i].nodes, pinf[i].name); rv = pinf[i].nodes; } return 0; } #endif typedef struct { dv_decoder_t *dvdec; uint8_t *frame[3]; uint8_t *dst; int pitches[3]; vid_context_t *vctx; } fcb_arg_t; static inline int frame_process( fcb_arg_t *p, const unsigned char *data, unsigned char *dst ) { static unsigned char *tmp = NULL; unsigned char *scal_dst; unsigned char *pal_dst; int w; int h; vid_context_t *ctx; ctx = p->vctx; w = ctx->vcap.maxwidth; h = ctx->vcap.maxheight; if(tmp == NULL) { tmp = malloc(w * h * 3); } dv_decode_full_frame(p->dvdec, data, e_dv_color_rgb, p->frame, p->pitches); switch(ctx->vpic.palette) { case VIDEO_PALETTE_YUV420P: scal_dst = tmp; pal_dst = dst; break; case VIDEO_PALETTE_RGB24: default: scal_dst = dst; pal_dst = dst; break; } scale(p->frame[0], scal_dst, w, h, ctx->vwin.width, ctx->vwin.height); return palette_conv(scal_dst, pal_dst, ctx->vpic.palette, ctx->vwin.width, ctx->vwin.height); } static int frame_recv( unsigned char *data, int len, int complete, void *arg ) { static unsigned char *tmp = NULL; fcb_arg_t *p; vid_context_t *ctx; int w; int h; uint8_t *frame; unsigned char *vb; int snr; p = (fcb_arg_t *)arg; ctx = p->vctx; if(complete) { dv_parse_header(p->dvdec, data); if(p->frame[0] == NULL) { /* * on-demand initialization, must be called before * vloopback ioctl handling has started * */ w = p->dvdec->width; h = p->dvdec->height; debug("w %d h %d\n", p->dvdec->width, p->dvdec->height); frame = malloc(w * h * 3); tmp = malloc(w * h * 3); p->frame[0] = frame; p->frame[1] = NULL; p->frame[2] = NULL; p->pitches[0] = w * 3; p->pitches[1] = 0; p->pitches[2] = 0; init_ctx(ctx, w, h); } else { w = ctx->vcap.maxwidth; h = ctx->vcap.maxheight; } vb = buf_dequeue(p->vctx); if(vb != NULL) { snr = (vb - ctx->vframebuf) / (MAXW * MAXH * 3); frame_process(p, data, vb); switch(vsync_set[snr]) { case FRM_EMPTY: vsync_set[snr] = FRM_RDY4SYNC; break; case FRM_RDY4SYNC: /* * already marked as syncable */ break; default: debug("do SYNC %d\n", snr); ioctl(vsync_set[snr], VIDIOCSYNC, &snr); vsync_set[snr] = FRM_EMPTY; break; }; } } else { log("incomplete frame\n"); } return 0; } static void handle_sigio(int sig, siginfo_t *info, void *uc) { /* * just let the signal happen */ } static struct sigaction old_sigio; static int init_sig() { static struct sigaction act; act.sa_handler = NULL; act.sa_sigaction = handle_sigio; act.sa_flags = SA_SIGINFO; sigemptyset(&act.sa_mask); sigaddset(&act.sa_mask, SIGIO); act.sa_restorer = NULL; if(sigaction(SIGIO, &act, &old_sigio) == -1) { perror("sigaction"); return -1; } return 0; } /* * wait for the first frame that will cause frame_recv * to detect the frame size as reported from the * camera */ static void get_camsize( raw1394handle_t raw, fcb_arg_t *arg, int vfd, int fd ) { fd_set rfds; int rv; vid_context_t *ctx; iec61883_dv_fb_t iec; ctx = arg->vctx; /* * init iec61883 */ iec = iec61883_dv_fb_init(raw, frame_recv, arg); if(iec == NULL) { printf("iec61883_dv_fb_init failed\n"); exit(-1); } if(iec61883_dv_fb_start(iec, 63) < 0) { printf("iec61883_dv_fb_start failed\n"); exit(-1); } FD_ZERO(&rfds); while(ctx->vcap.maxwidth == 0) { FD_SET(fd, &rfds); rv = select(fd + 1, &rfds, NULL, NULL, NULL); if(rv > 0) { if(FD_ISSET(fd, &rfds)) { raw1394_loop_iterate(raw); } } } iec61883_dv_fb_close(iec); } static struct option long_options[] = { { "color-correction", 0, NULL, 'c' }, { "device", 1, NULL, 'd' }, { "help", 0, NULL, 'h' }, { "rgb-only", 0, NULL, 'r' }, { "size", 1, NULL, 's' }, { "verbose", 1, NULL, 'h' }, { NULL, 0, NULL, 0 } }; static const char *short_options = "cd:h?rs:v:"; static void usage(const char *cmd, const char *txt) { if(*txt != '\0') { printf("** %s\n", txt); } printf( "Usage: %s [OPTION] ...\n\ \n\ Version %s\n\ \n\ Push video stream of a dv1394 camera to a vloopback input device\n\ to provide a virtual video4linux camera.\n\ \n\ -c, --color-correction\n\ use this option if red objects look blue\n\ -d, --device vloopback-input-device (eg /dev/v4l/video0)\n\ -r, --rgb-only disable yuv palette usage for better performance\n\ -s, --size WxH set capture size and use slower copy mode, only\n\ required for some V4L programs\n\ -v, --verbose verbosity-level (0 - no output; 3 - all messages)\n\ -h, --help display this help and exit\n", cmd, DV4LVERSION); } static void cmdline( int argc, char **argv, vid_context_t *ctx ) { int c; int option_index; int w; int h; char *ix; unsigned long vv; char *ep; char buf[80]; ctx->rgbonly = 0; ctx->v_mode = MmapMode; ctx->vwin.width = 0; ctx->vwin.height = 0; for(c = getopt_long(argc, argv, short_options, long_options, &option_index); c != -1; c = getopt_long(argc, argv, short_options, long_options, &option_index)) { switch(c) { case 'c': set_color_correction(1); break; case 'd': if(optarg != NULL) { strncpy(buf, optarg, sizeof buf); } break; case 'r': ctx->rgbonly = 1; break; case 's': ctx->v_mode = WriteMode; ix = index(optarg, 'x'); if(ix != NULL) { ++ix; h = strtol(ix, &ep, 0); if(*ix != '\0' && *ep == '\0') { --ix; *ix = '\0'; w = strtol(optarg, &ep, 0); if(*optarg != '\0' && *ep == '\0') { if(w <= MAXW && h <= MAXH) { ctx->vwin.width = w; ctx->vwin.height = h; } else { usage(basename(argv[0]), "wrong dimensions"); exit(-1); } } else { usage(basename(argv[0]), "wrong width:"); exit(-1); } } else { usage(basename(argv[0]), "wrong height:"); exit(-1); } } else { usage(basename(argv[0]), "wrong size format:"); exit(-1); } break; case 'v': if(optarg != NULL) { vv = strtol(optarg, &ep, 0); if(*optarg != '\0' && *ep == '\0') { set_tracelevel(vv); } else { usage(basename(argv[0]), "invalid verbosity level:"); exit(-1); } } break; case 'h': case '?': usage(basename(argv[0]), ""); exit(0); default: usage(basename(argv[0]), "error:"); exit(-1); } } } static void mmap_mode( raw1394handle_t raw, fcb_arg_t *arg, int vfd, int fd ) { char buf[1024]; int sz; int maxfd; fd_set rfds; iec61883_dv_fb_t iec; struct timeval tv; int run; int rv; vid_context_t *ctx; log("mmap_mode\n"); ctx = arg->vctx; /* * init iec61883 */ iec = iec61883_dv_fb_init(raw, frame_recv, arg); if(iec == NULL) { printf("iec61883_dv_fb_init failed\n"); exit(-1); } if(iec61883_dv_fb_start(iec, 63) < 0) { printf("iec61883_dv_fb_start failed\n"); exit(-1); } tv.tv_sec = 0; tv.tv_usec = 12 * 1000; FD_ZERO(&rfds); run = 1; maxfd = (fd > vfd ? fd : vfd) + 1; while(run) { FD_SET(vfd, &rfds); FD_SET(fd, &rfds); rv = select(maxfd, &rfds, NULL, NULL, &tv); if(rv >= 0) { if(FD_ISSET(fd, &rfds)) { raw1394_loop_iterate(raw); } if(FD_ISSET(vfd, &rfds)) { sz = read(vfd, buf, sizeof buf); if(sz > 3) { if(do_ioctl(vfd, *(unsigned long *)buf, buf + sizeof(unsigned long), ctx)) { iec61883_dv_fb_stop(iec); while(buf_dequeue(ctx) != NULL) ; log("stopped\n"); init_sig(); FD_ZERO(&rfds); FD_SET(vfd, &rfds); rv = select(vfd + 1, &rfds, NULL, NULL, NULL); log("sleep inter\n"); signal(SIGIO, SIG_IGN); if(iec61883_dv_fb_start(iec, 63) < 0) { printf("iec61883_dv_fb_start failed\n"); run = 0; } } } else { err("short ioctl"); } } } else { perror("select"); } } iec61883_dv_fb_close(iec); } static int simple_frame_recv( unsigned char *data, int len, int complete, void *arg ) { fcb_arg_t *p; vid_context_t *ctx; int cnt; p = (fcb_arg_t *)arg; ctx = p->vctx; if(complete) { cnt = frame_process(p, data, ctx->vframebuf); write(ctx->v_vfd, ctx->vframebuf, cnt); } return 0; } static void write_mode( raw1394handle_t raw, fcb_arg_t *arg, int vfd, int fd ) { iec61883_dv_fb_t iec; fd_set rfds; int run; int rv; unsigned char *buf; vid_context_t *ctx; signal(SIGIO, SIG_IGN); ctx = arg->vctx; ctx->vframebuf = malloc(ctx->vcap.maxwidth * ctx->vcap.maxwidth * 3); if(ctx->vframebuf == NULL) { perror("malloc"); return ; } buf = malloc(ctx->vcap.maxwidth * ctx->vcap.maxwidth * 3); if(buf == NULL) { perror("malloc"); return ; } /* * init iec61883 */ iec = iec61883_dv_fb_init(raw, simple_frame_recv, arg); if(iec == NULL) { printf("iec61883_dv_fb_init failed\n"); exit(-1); } if(iec61883_dv_fb_start(iec, 63) < 0) { printf("iec61883_dv_fb_start failed\n"); exit(-1); } if(ioctl(vfd, VIDIOCSPICT, &ctx->vpic) < 0) { perror("VIDIOCSPICT"); return; } if(ioctl(vfd, VIDIOCSWIN, &ctx->vwin) < 0) { perror("VIDIOCSWIN"); return; } arg->frame[0] = buf; arg->frame[1] = NULL; arg->frame[2] = NULL; arg->pitches[0] = arg->dvdec->width * 3; arg->pitches[1] = 0; arg->pitches[2] = 0; log("write_mode\n"); FD_ZERO(&rfds); run = 1; while(run) { FD_SET(fd, &rfds); rv = select(fd + 1, &rfds, NULL, NULL, NULL); if(rv > 0) { if(FD_ISSET(fd, &rfds)) { raw1394_loop_iterate(raw); } } else { perror("select"); } } free(buf); } int main(int argc, char **argv) { raw1394handle_t raw; vid_context_t ctx; fcb_arg_t arg; int devi; int vfd; int fd; char buf[1024]; const char *devtmpl; dv_decoder_t *dvdec; cmdline(argc, argv, &ctx); /* * get a vloopback dev */ devi = scan_dev(buf, sizeof buf, &devtmpl); if(devi < 0) { err("no vloopback input device found. " "vloopback module in kernel?\n"); exit(-1); } printf("use %s%d in your webcam application\n", devtmpl, devi + 1); vfd = open(buf, O_RDWR); if(vfd < 0) { perror("open vloopback"); exit(-2); } init_vmbuf(&ctx, vfd); // init_sig(); signal(SIGIO, SIG_IGN); memset(&vsync_set, FRM_EMPTY, sizeof(int) * MAXFRAMES); /* * init libraw1394 */ raw = raw1394_new_handle_on_port(0); if(raw == NULL) { printf("raw1394_new_handle failed\n"); exit(-1); } /* * init libdv */ dv_init(0, 0); dvdec = dv_decoder_new(FALSE, FALSE, FALSE); if(dvdec == NULL) { perror("dv_decoder_new"); exit(-1); } dv_set_quality(dvdec, DV_QUALITY_BEST); arg.dvdec = dvdec; arg.frame[0] = NULL; arg.frame[1] = NULL; arg.frame[2] = NULL; arg.vctx = &ctx; fd = raw1394_get_fd(raw); get_camsize(raw, &arg, vfd, fd); if(ctx.v_mode == MmapMode) { mmap_mode(raw, &arg, vfd, fd); } else { cleanup_vmbuf(&ctx); close(vfd); vfd = open(buf, O_RDWR); if(vfd < 0) { perror("open vloopback"); exit(-2); } ctx.v_vfd = vfd; write_mode(raw, &arg, vfd, fd); } /* * cleanup libdv */ dv_decoder_free(dvdec); dv_cleanup(); /* * cleanup libraw1394 */ raw1394_destroy_handle(raw); cleanup_vmbuf(&ctx); close(vfd); return 0; } dv4l-1.0.orig/version.h.in0000644000175000017500000000153410754375411015705 0ustar iwamatsuiwamatsu/* * Copyright (C) 2008 Free Software Foundation, Inc. * * 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; version 2. * * 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. * * Author: Wolfgang Beck 2007 */ #ifdef _version_h #define _version_h #define DV4LVERSION "@PACKAGE_VERSION@" #endif dv4l-1.0.orig/palettes.h0000644000175000017500000000232210754375411015430 0ustar iwamatsuiwamatsu/* * Copyright (C) 2007 Free Software Foundation, Inc. * * 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; version 2. * * 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. * * Author: Wolfgang Beck 2007 */ #ifndef _palettes_h #define _palettes_h int rgb24toyuv420p( const unsigned char * const rgb, unsigned char *dst, int w, int h ); static inline int palette_conv( const unsigned char * const rgb, unsigned char *dst, int palette, int w, int h ) { switch(palette) { case VIDEO_PALETTE_YUV420P: return rgb24toyuv420p(rgb, dst, w, h); case VIDEO_PALETTE_RGB24: default: return w * h * 3; } } int get_depth(int palette); #endif dv4l-1.0.orig/scale.c0000644000175000017500000000503410754375411014674 0ustar iwamatsuiwamatsu/* * Copyright (C) 2007 Free Software Foundation, Inc. * * 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; version 2. * * 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. * * Author: Wolfgang Beck 2007 */ #include #include #include "scale.h" static void write_px_rgb(const pixel_t * const v, pixel_t * const p) { // memcpy(p, v, 3); p[0] = v[2]; p[1] = v[1]; p[2] = v[0]; } static void write_px_bgr(const pixel_t * const v, pixel_t * const p) { // memcpy(p, v, 3); p[0] = v[0]; p[1] = v[1]; p[2] = v[2]; } static inline void average(const pixel_t *x, const pixel_t *y, pixel_t *p) { p[0] = (x[0] + y[0]) / 2; p[1] = (x[1] + y[1]) / 2; p[2] = (x[2] + y[2]) / 2; } static void (*write_px)(const pixel_t * const v, pixel_t * const p) = write_px_rgb; void set_color_correction(int rgb) { if(rgb) { write_px = write_px_bgr; } else { write_px = write_px_rgb; } } /* * Bresenham image scaling * http://www.ddj.com/showArticle.jhtml?articleID=184405045 */ void scale_line( const pixel_t *src, pixel_t *dst, int src_w, int dst_w ) { int num; int ip; int fp; int e; num = dst_w; ip = src_w / dst_w; fp = src_w % dst_w; e = 0; while(num > 0) { write_px(src, dst); dst += 3; src += 3 * ip; e += fp; if(e >= dst_w) { e -= dst_w; src += 3; } --num; } } void scale( const pixel_t *src, pixel_t *dst, int src_w, int src_h, int dst_w, int dst_h ) { int num; int ip; int fp; int e; const pixel_t *prev_src; num = dst_h; ip = (src_h / dst_h) * src_w; fp = src_h % dst_h; e = 0; prev_src = NULL; while(num > 0) { if(prev_src == src) { /* * re-use last line */ memcpy(dst, dst - dst_w * 3, dst_w * 3); } else { scale_line(src, dst, src_w, dst_w); prev_src = src; } dst += dst_w * 3; src += ip * 3; e += fp; if(e >= dst_h) { e -= dst_h; src += src_w * 3; } --num; } } dv4l-1.0.orig/LICENSE0000644000175000017500000004310510754375411014447 0ustar iwamatsuiwamatsu GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This General Public License applies to most of the Free Software Foundation's software and to any other program whose authors commit to using it. (Some other Free Software Foundation software is covered by the GNU Library General Public License instead.) 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 this service 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 make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you distribute copies of the software, or if you modify it. For example, if you distribute copies of such a program, whether gratis or for a fee, you must give the recipients all the rights that you have. 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. We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which gives you legal permission to copy, distribute and/or modify the software. Also, for each author's protection and ours, we want to make certain that everyone understands that there is no warranty for this free software. If the software is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the original authors' reputations. Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses, in effect making the program proprietary. To prevent this, we have made it clear that any patent must be licensed for everyone's free use or not licensed at all. The precise terms and conditions for copying, distribution and modification follow. GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 0. This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. 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) 19yy 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 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) 19yy 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. dv4l-1.0.orig/util.h0000644000175000017500000000226610754375411014573 0ustar iwamatsuiwamatsu/* * Copyright (C) 2007 Free Software Foundation, Inc. * * 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; version 2. * * 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. * * Author: Wolfgang Beck 2007 */ #ifndef _util_h #define _util_h #define TRACE_ERR 1 #define TRACE_LOG 2 #define TRACE_DEB 3 #define err(fmt, ...) _trace(TRACE_ERR, __FILE__, __LINE__, fmt, ##__VA_ARGS__) #define log(fmt, ...) _trace(TRACE_LOG, __FILE__, __LINE__, fmt, ##__VA_ARGS__) #define debug(fmt, ...) \ _trace(TRACE_DEB, __FILE__, __LINE__, fmt, ##__VA_ARGS__) void _trace(int, const char *, int, const char *fmt, ...); void set_tracelevel(int); #endif dv4l-1.0.orig/configure.ac0000644000175000017500000000136410754375411015731 0ustar iwamatsuiwamatsuAC_INIT(dv4l, 1.0, dv4l-1.0.tar.gz) AC_CHECK_HEADER([libraw1394/raw1394.h], [AC_DEFINE(HAVE_RAW1394, 1, [Define to 1 if you have libraw1394/raw1394.h])], [AC_MSG_ERROR([libraw1394 missing])]) AC_CHECK_HEADER([libiec61883/iec61883.h], [AC_DEFINE(HAVE_LIBIEC, 1, [Define to 1 if you have libiec61883/iec61883.h])], [AC_MSG_ERROR([libiec61883 missing])]) AC_CHECK_HEADER([libdv/dv.h], [AC_DEFINE(HAVE_LIBDV, 1, [Define to 1 if you have libdv/dv.h])], [AC_MSG_ERROR([libfv missing])]) AC_CHECK_HEADER([sys/xattr.h], [AC_DEFINE(HAVE_XATTR, 1, [Define to 1 if you have sys/xattr.h])], [AC_MSG_WARN([xattr missing, expect non-critical error messages])]) AC_CONFIG_HEADERS([config.h]) AC_CONFIG_FILES([Makefile version.h]) AC_OUTPUT dv4l-1.0.orig/configure0000755000175000017500000042366610754375411015367 0ustar iwamatsuiwamatsu#! /bin/sh # Guess values for system-dependent variables and create Makefiles. # Generated by GNU Autoconf 2.61 for dv4l 1.0. # # Report bugs to . # # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, # 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. # This configure script is free software; the Free Software Foundation # gives unlimited permission to copy, distribute and modify it. ## --------------------- ## ## M4sh Initialization. ## ## --------------------- ## # Be more Bourne compatible DUALCASE=1; export DUALCASE # for MKS sh if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then emulate sh NULLCMD=: # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which # is contrary to our usage. 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grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_c_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_cv_prog_cc_g=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 CFLAGS="" cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ int main () { ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_c_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then : else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_c_werror_flag=$ac_save_c_werror_flag CFLAGS="-g" cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ int main () { ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? 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It has function prototypes and stuff, but not '\xHH' hex character constants. These don't provoke an error unfortunately, instead are silently treated as 'x'. The following induces an error, until -std is added to get proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an array size at least. 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Now check whether nonexistent headers # can be detected and how. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if { (ac_try="$ac_cpp conftest.$ac_ext" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null && { test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || test ! -s conftest.err }; then # Broken: success on invalid input. continue else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 # Passes both tests. ac_preproc_ok=: break fi rm -f conftest.err conftest.$ac_ext done # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. rm -f conftest.err conftest.$ac_ext if $ac_preproc_ok; then break fi done ac_cv_prog_CPP=$CPP fi CPP=$ac_cv_prog_CPP else ac_cv_prog_CPP=$CPP fi { echo "$as_me:$LINENO: result: $CPP" >&5 echo "${ECHO_T}$CPP" >&6; } ac_preproc_ok=false for ac_c_preproc_warn_flag in '' yes do # Use a header file that comes with gcc, so configuring glibc # with a fresh cross-compiler works. # Prefer to if __STDC__ is defined, since # exists even on freestanding compilers. # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. "Syntax error" is here to catch this case. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #ifdef __STDC__ # include #else # include #endif Syntax error _ACEOF if { (ac_try="$ac_cpp conftest.$ac_ext" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null && { test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || test ! -s conftest.err }; then : else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 # Broken: fails on valid input. continue fi rm -f conftest.err conftest.$ac_ext # OK, works on sane cases. Now check whether nonexistent headers # can be detected and how. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if { (ac_try="$ac_cpp conftest.$ac_ext" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null && { test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || test ! -s conftest.err }; then # Broken: success on invalid input. continue else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 # Passes both tests. ac_preproc_ok=: break fi rm -f conftest.err conftest.$ac_ext done # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. rm -f conftest.err conftest.$ac_ext if $ac_preproc_ok; then : else { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check See \`config.log' for more details." >&5 echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check See \`config.log' for more details." >&2;} { (exit 1); exit 1; }; } fi ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu { echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5 echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6; } if test "${ac_cv_path_GREP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else # Extract the first word of "grep ggrep" to use in msg output if test -z "$GREP"; then set dummy grep ggrep; ac_prog_name=$2 if test "${ac_cv_path_GREP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_path_GREP_found=false # Loop through the user's path and test for each of PROGNAME-LIST as_save_IFS=$IFS; 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esac $ac_path_GREP_found && break 3 done done done IFS=$as_save_IFS fi GREP="$ac_cv_path_GREP" if test -z "$GREP"; then { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5 echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;} { (exit 1); exit 1; }; } fi else ac_cv_path_GREP=$GREP fi fi { echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5 echo "${ECHO_T}$ac_cv_path_GREP" >&6; } GREP="$ac_cv_path_GREP" { echo "$as_me:$LINENO: checking for egrep" >&5 echo $ECHO_N "checking for egrep... $ECHO_C" >&6; } if test "${ac_cv_path_EGREP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 then ac_cv_path_EGREP="$GREP -E" else # Extract the first word of "egrep" to use in msg output if test -z "$EGREP"; then set dummy egrep; ac_prog_name=$2 if test "${ac_cv_path_EGREP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_path_EGREP_found=false # Loop through the user's path and test for each of PROGNAME-LIST as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin do IFS=$as_save_IFS test -z "$as_dir" && as_dir=. for ac_prog in egrep; do for ac_exec_ext in '' $ac_executable_extensions; do ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue # Check for GNU ac_path_EGREP and select it if it is found. # Check for GNU $ac_path_EGREP case `"$ac_path_EGREP" --version 2>&1` in *GNU*) ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; *) ac_count=0 echo $ECHO_N "0123456789$ECHO_C" >"conftest.in" while : do cat "conftest.in" "conftest.in" >"conftest.tmp" mv "conftest.tmp" "conftest.in" cp "conftest.in" "conftest.nl" echo 'EGREP' >> "conftest.nl" "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break ac_count=`expr $ac_count + 1` if test $ac_count -gt ${ac_path_EGREP_max-0}; then # Best one so far, save it but keep looking for a better one ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_max=$ac_count fi # 10*(2^10) chars as input seems more than enough test $ac_count -gt 10 && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out;; esac $ac_path_EGREP_found && break 3 done done done IFS=$as_save_IFS fi EGREP="$ac_cv_path_EGREP" if test -z "$EGREP"; then { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5 echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;} { (exit 1); exit 1; }; } fi else ac_cv_path_EGREP=$EGREP fi fi fi { echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5 echo "${ECHO_T}$ac_cv_path_EGREP" >&6; } EGREP="$ac_cv_path_EGREP" { echo "$as_me:$LINENO: checking for ANSI C header files" >&5 echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6; } if test "${ac_cv_header_stdc+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include #include #include int main () { ; return 0; } _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_c_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_cv_header_stdc=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_cv_header_stdc=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext if test $ac_cv_header_stdc = yes; then # SunOS 4.x string.h does not declare mem*, contrary to ANSI. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "memchr" >/dev/null 2>&1; then : else ac_cv_header_stdc=no fi rm -f conftest* fi if test $ac_cv_header_stdc = yes; then # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "free" >/dev/null 2>&1; then : else ac_cv_header_stdc=no fi rm -f conftest* fi if test $ac_cv_header_stdc = yes; then # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. if test "$cross_compiling" = yes; then : else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include #include #if ((' ' & 0x0FF) == 0x020) # define ISLOWER(c) ('a' <= (c) && (c) <= 'z') # define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) #else # define ISLOWER(c) \ (('a' <= (c) && (c) <= 'i') \ || ('j' <= (c) && (c) <= 'r') \ || ('s' <= (c) && (c) <= 'z')) # define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) #endif #define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) int main () { int i; for (i = 0; i < 256; i++) if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) return 2; return 0; } _ACEOF rm -f conftest$ac_exeext if { (ac_try="$ac_link" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_link") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='./conftest$ac_exeext' { (case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_try") 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then : else echo "$as_me: program exited with status $ac_status" >&5 echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ( exit $ac_status ) ac_cv_header_stdc=no fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi fi fi { echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5 echo "${ECHO_T}$ac_cv_header_stdc" >&6; } if test $ac_cv_header_stdc = yes; then cat >>confdefs.h <<\_ACEOF #define STDC_HEADERS 1 _ACEOF fi # On IRIX 5.3, sys/types and inttypes.h are conflicting. for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ inttypes.h stdint.h unistd.h do as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh` { echo "$as_me:$LINENO: checking for $ac_header" >&5 echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; } if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then echo $ECHO_N "(cached) $ECHO_C" >&6 else cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default #include <$ac_header> _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_c_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then eval "$as_ac_Header=yes" else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 eval "$as_ac_Header=no" fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi ac_res=`eval echo '${'$as_ac_Header'}'` { echo "$as_me:$LINENO: result: $ac_res" >&5 echo "${ECHO_T}$ac_res" >&6; } if test `eval echo '${'$as_ac_Header'}'` = yes; then cat >>confdefs.h <<_ACEOF #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF fi done if test "${ac_cv_header_libraw1394_raw1394_h+set}" = set; then { echo "$as_me:$LINENO: checking for libraw1394/raw1394.h" >&5 echo $ECHO_N "checking for libraw1394/raw1394.h... $ECHO_C" >&6; } if test "${ac_cv_header_libraw1394_raw1394_h+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 fi { echo "$as_me:$LINENO: result: $ac_cv_header_libraw1394_raw1394_h" >&5 echo "${ECHO_T}$ac_cv_header_libraw1394_raw1394_h" >&6; } else # Is the header compilable? { echo "$as_me:$LINENO: checking libraw1394/raw1394.h usability" >&5 echo $ECHO_N "checking libraw1394/raw1394.h usability... $ECHO_C" >&6; } cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default #include _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_c_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_header_compiler=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_compiler=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext { echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 echo "${ECHO_T}$ac_header_compiler" >&6; } # Is the header present? { echo "$as_me:$LINENO: checking libraw1394/raw1394.h presence" >&5 echo $ECHO_N "checking libraw1394/raw1394.h presence... $ECHO_C" >&6; } cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if { (ac_try="$ac_cpp conftest.$ac_ext" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null && { test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || test ! -s conftest.err }; then ac_header_preproc=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_preproc=no fi rm -f conftest.err conftest.$ac_ext { echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 echo "${ECHO_T}$ac_header_preproc" >&6; } # So? What about this header? case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in yes:no: ) { echo "$as_me:$LINENO: WARNING: libraw1394/raw1394.h: accepted by the compiler, rejected by the preprocessor!" >&5 echo "$as_me: WARNING: libraw1394/raw1394.h: accepted by the compiler, rejected by the preprocessor!" >&2;} { echo "$as_me:$LINENO: WARNING: libraw1394/raw1394.h: proceeding with the compiler's result" >&5 echo "$as_me: WARNING: libraw1394/raw1394.h: proceeding with the compiler's result" >&2;} ac_header_preproc=yes ;; no:yes:* ) { echo "$as_me:$LINENO: WARNING: libraw1394/raw1394.h: present but cannot be compiled" >&5 echo "$as_me: WARNING: libraw1394/raw1394.h: present but cannot be compiled" >&2;} { echo "$as_me:$LINENO: WARNING: libraw1394/raw1394.h: check for missing prerequisite headers?" >&5 echo "$as_me: WARNING: libraw1394/raw1394.h: check for missing prerequisite headers?" >&2;} { echo "$as_me:$LINENO: WARNING: libraw1394/raw1394.h: see the Autoconf documentation" >&5 echo "$as_me: WARNING: libraw1394/raw1394.h: see the Autoconf documentation" >&2;} { echo "$as_me:$LINENO: WARNING: libraw1394/raw1394.h: section \"Present But Cannot Be Compiled\"" >&5 echo "$as_me: WARNING: libraw1394/raw1394.h: section \"Present But Cannot Be Compiled\"" >&2;} { echo "$as_me:$LINENO: WARNING: libraw1394/raw1394.h: proceeding with the preprocessor's result" >&5 echo "$as_me: WARNING: libraw1394/raw1394.h: proceeding with the preprocessor's result" >&2;} { echo "$as_me:$LINENO: WARNING: libraw1394/raw1394.h: in the future, the compiler will take precedence" >&5 echo "$as_me: WARNING: libraw1394/raw1394.h: in the future, the compiler will take precedence" >&2;} ( cat <<\_ASBOX ## ------------------------------ ## ## Report this to dv4l-1.0.tar.gz ## ## ------------------------------ ## _ASBOX ) | sed "s/^/$as_me: WARNING: /" >&2 ;; esac { echo "$as_me:$LINENO: checking for libraw1394/raw1394.h" >&5 echo $ECHO_N "checking for libraw1394/raw1394.h... $ECHO_C" >&6; } if test "${ac_cv_header_libraw1394_raw1394_h+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_cv_header_libraw1394_raw1394_h=$ac_header_preproc fi { echo "$as_me:$LINENO: result: $ac_cv_header_libraw1394_raw1394_h" >&5 echo "${ECHO_T}$ac_cv_header_libraw1394_raw1394_h" >&6; } fi if test $ac_cv_header_libraw1394_raw1394_h = yes; then cat >>confdefs.h <<\_ACEOF #define HAVE_RAW1394 1 _ACEOF else { { echo "$as_me:$LINENO: error: libraw1394 missing" >&5 echo "$as_me: error: libraw1394 missing" >&2;} { (exit 1); exit 1; }; } fi if test "${ac_cv_header_libiec61883_iec61883_h+set}" = set; then { echo "$as_me:$LINENO: checking for libiec61883/iec61883.h" >&5 echo $ECHO_N "checking for libiec61883/iec61883.h... $ECHO_C" >&6; } if test "${ac_cv_header_libiec61883_iec61883_h+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 fi { echo "$as_me:$LINENO: result: $ac_cv_header_libiec61883_iec61883_h" >&5 echo "${ECHO_T}$ac_cv_header_libiec61883_iec61883_h" >&6; } else # Is the header compilable? { echo "$as_me:$LINENO: checking libiec61883/iec61883.h usability" >&5 echo $ECHO_N "checking libiec61883/iec61883.h usability... $ECHO_C" >&6; } cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ $ac_includes_default #include _ACEOF rm -f conftest.$ac_objext if { (ac_try="$ac_compile" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_compile") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { test -z "$ac_c_werror_flag" || test ! -s conftest.err } && test -s conftest.$ac_objext; then ac_header_compiler=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_compiler=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext { echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 echo "${ECHO_T}$ac_header_compiler" >&6; } # Is the header present? { echo "$as_me:$LINENO: checking libiec61883/iec61883.h presence" >&5 echo $ECHO_N "checking libiec61883/iec61883.h presence... $ECHO_C" >&6; } cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ #include _ACEOF if { (ac_try="$ac_cpp conftest.$ac_ext" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1 ac_status=$? grep -v '^ *+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null && { test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || test ! -s conftest.err }; then ac_header_preproc=yes else echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ac_header_preproc=no fi rm -f conftest.err conftest.$ac_ext { echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 echo "${ECHO_T}$ac_header_preproc" >&6; } # So? What about this header? case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in yes:no: ) { echo "$as_me:$LINENO: WARNING: libiec61883/iec61883.h: accepted by the compiler, rejected by the preprocessor!" >&5 echo "$as_me: WARNING: libiec61883/iec61883.h: accepted by the compiler, rejected by the preprocessor!" >&2;} { echo "$as_me:$LINENO: WARNING: libiec61883/iec61883.h: proceeding with the compiler's result" >&5 echo "$as_me: WARNING: libiec61883/iec61883.h: proceeding with the compiler's result" >&2;} ac_header_preproc=yes ;; no:yes:* ) { echo "$as_me:$LINENO: WARNING: libiec61883/iec61883.h: present but cannot be compiled" >&5 echo "$as_me: WARNING: libiec61883/iec61883.h: present but cannot be compiled" >&2;} { echo "$as_me:$LINENO: WARNING: libiec61883/iec61883.h: check for missing prerequisite headers?" >&5 echo "$as_me: WARNING: libiec61883/iec61883.h: check for missing prerequisite headers?" >&2;} { echo "$as_me:$LINENO: WARNING: libiec61883/iec61883.h: see the Autoconf documentation" >&5 echo "$as_me: WARNING: libiec61883/iec61883.h: see the Autoconf documentation" >&2;} { echo "$as_me:$LINENO: WARNING: libiec61883/iec61883.h: section \"Present But Cannot Be Compiled\"" >&5 echo "$as_me: WARNING: libiec61883/iec61883.h: section \"Present But Cannot Be Compiled\"" >&2;} { echo "$as_me:$LINENO: WARNING: libiec61883/iec61883.h: proceeding with the preprocessor's result" >&5 echo "$as_me: WARNING: libiec61883/iec61883.h: proceeding with the preprocessor's result" >&2;} { echo "$as_me:$LINENO: WARNING: libiec61883/iec61883.h: in the future, the compiler will take precedence" >&5 echo "$as_me: WARNING: libiec61883/iec61883.h: in the future, the compiler will take precedence" >&2;} ( cat <<\_ASBOX ## ------------------------------ ## ## Report this to dv4l-1.0.tar.gz ## ## ------------------------------ ## _ASBOX ) | sed "s/^/$as_me: WARNING: /" >&2 ;; esac { echo "$as_me:$LINENO: checking for libiec61883/iec61883.h" >&5 echo $ECHO_N "checking for libiec61883/iec61883.h... $ECHO_C" >&6; } if test "${ac_cv_header_libiec61883_iec61883_h+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else ac_cv_header_libiec61883_iec61883_h=$ac_header_preproc fi { echo "$as_me:$LINENO: result: $ac_cv_header_libiec61883_iec61883_h" >&5 echo "${ECHO_T}$ac_cv_header_libiec61883_iec61883_h" >&6; } fi if test $ac_cv_header_libiec61883_iec61883_h = yes; then cat >>confdefs.h <<\_ACEOF #define HAVE_LIBIEC 1 _ACEOF else { { echo "$as_me:$LINENO: error: libiec61883 missing" >&5 echo "$as_me: error: libiec61883 missing" >&2;} { (exit 1); exit 1; }; } fi if test "${ac_cv_header_libdv_dv_h+set}" = set; then { echo "$as_me:$LINENO: checking for libdv/dv.h" >&5 echo $ECHO_N "checking for libdv/dv.h... $ECHO_C" >&6; } if test "${ac_cv_header_libdv_dv_h+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 fi { echo "$as_me:$LINENO: result: $ac_cv_header_libdv_dv_h" >&5 echo "${ECHO_T}$ac_cv_header_libdv_dv_h" >&6; } else # Is the header compilable? 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This is necessary, for # example, in the case of _POSIX_SOURCE, which is predefined and required # on some systems where configure will not decide to define it. # (The regexp can be short, since the line contains either #define or #undef.) echo 's/ $// s,^[ #]*u.*,/* & */,' >>conftest.defines # Break up conftest.defines: ac_max_sed_lines=50 # First sed command is: sed -f defines.sed $ac_file_inputs >"$tmp/out1" # Second one is: sed -f defines.sed "$tmp/out1" >"$tmp/out2" # Third one will be: sed -f defines.sed "$tmp/out2" >"$tmp/out1" # et cetera. ac_in='$ac_file_inputs' ac_out='"$tmp/out1"' ac_nxt='"$tmp/out2"' while : do # Write a here document: cat >>$CONFIG_STATUS <<_ACEOF # First, check the format of the line: cat >"\$tmp/defines.sed" <<\\CEOF /^[ ]*#[ ]*undef[ ][ ]*$ac_word_re[ ]*\$/b def /^[ ]*#[ ]*define[ ][ ]*$ac_word_re[( ]/b def b :def _ACEOF sed ${ac_max_sed_lines}q conftest.defines >>$CONFIG_STATUS echo 'CEOF sed -f "$tmp/defines.sed"' "$ac_in >$ac_out" >>$CONFIG_STATUS ac_in=$ac_out; ac_out=$ac_nxt; ac_nxt=$ac_in sed 1,${ac_max_sed_lines}d conftest.defines >conftest.tail grep . conftest.tail >/dev/null || break rm -f conftest.defines mv conftest.tail conftest.defines done rm -f conftest.defines conftest.tail echo "ac_result=$ac_in" >>$CONFIG_STATUS cat >>$CONFIG_STATUS <<\_ACEOF if test x"$ac_file" != x-; then echo "/* $configure_input */" >"$tmp/config.h" cat "$ac_result" >>"$tmp/config.h" if diff $ac_file "$tmp/config.h" >/dev/null 2>&1; then { echo "$as_me:$LINENO: $ac_file is unchanged" >&5 echo "$as_me: $ac_file is unchanged" >&6;} else rm -f $ac_file mv "$tmp/config.h" $ac_file fi else echo "/* $configure_input */" cat "$ac_result" fi rm -f "$tmp/out12" ;; esac done # for ac_tag { (exit 0); exit 0; } _ACEOF chmod +x $CONFIG_STATUS ac_clean_files=$ac_clean_files_save # configure is writing to config.log, and then calls config.status. # config.status does its own redirection, appending to config.log. # Unfortunately, on DOS this fails, as config.log is still kept open # by configure, so config.status won't be able to write to it; its # output is simply discarded. So we exec the FD to /dev/null, # effectively closing config.log, so it can be properly (re)opened and # appended to by config.status. When coming back to configure, we # need to make the FD available again. if test "$no_create" != yes; then ac_cs_success=: ac_config_status_args= test "$silent" = yes && ac_config_status_args="$ac_config_status_args --quiet" exec 5>/dev/null $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false exec 5>>config.log # Use ||, not &&, to avoid exiting from the if with $? = 1, which # would make configure fail if this is the last instruction. $ac_cs_success || { (exit 1); exit 1; } fi dv4l-1.0.orig/palettes.c0000644000175000017500000000412410754375411015425 0ustar iwamatsuiwamatsu/* * Copyright (C) 2007 Free Software Foundation, Inc. * * 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; version 2. * * 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. * * Author: Wolfgang Beck 2007 */ #include /* * RGB to YUV420P conversion taken from * en.wikipedia.org/wiki/YUV */ static inline unsigned char get_u(const unsigned char * const rgb) { return ((-38 * rgb[0] - 74 * rgb[1] + 112 * rgb[2] + 128) >> 8) + 128; } static inline unsigned char get_v(const unsigned char * const rgb) { return ((112 * rgb[0] - 94 * rgb[1] - 18 * rgb[2] + 128) >> 8) + 128; } int rgb24toyuv420p( const unsigned char *rgb, unsigned char *dst, int w, int h ) { int i; int j; const unsigned char *s; const unsigned char *t; unsigned char *d; unsigned char *ud; unsigned char *vd; unsigned char y; unsigned char u; unsigned char v; for(i = 0, s = rgb, t = rgb + 3 * w, d = dst, vd = dst + (w * h), ud = vd + (w * h) / 4; i < h; ++i) { for(j = 0; j < w; ++j) { y = ((66 * s[0] + 129 * s[1] + 25 * s[2] + 128) >> 8) + 16; *d = y; ++d; if (((i | j) & 0x1) == 0) { u = (get_u(s) + get_u(s + 3) + get_u(t) + get_u(t + 3)) / 4; *ud = u; ++ud; v = (get_v(s) + get_v(s + 3) + get_v(t) + get_v(t + 3)) / 4; *vd = v; ++vd; } s += 3; t += 3; } } return ud - dst; } int get_depth(int palette) { switch(palette) { case VIDEO_PALETTE_RGB24: return 24; case VIDEO_PALETTE_YUV420P: return 3; default: return 3; } } dv4l-1.0.orig/scale.h0000644000175000017500000000200610754375411014675 0ustar iwamatsuiwamatsu/* * Copyright (C) 2007 Free Software Foundation, Inc. * * 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; version 2. * * 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. * * Author: Wolfgang Beck 2007 */ #ifndef _scale_h #define _scale_h typedef unsigned char pixel_t; void set_color_correction(int rgb); void scale( const pixel_t *src, pixel_t *dst, int src_w, int src_h, int dst_w, int dst_h ); #endif dv4l-1.0.orig/CHANGES0000644000175000017500000000216110754375411014432 0ustar iwamatsuiwamatsu1.0 - new dv4lstart option -n, --new-dev (see man page) - fixed xattr.h location (thanks mariusm) - xattr.h config check - use stderr for debugging output 0.99 - mmap mode for dv4lstart dv4lstart can now be used for most applications; that means the installation of the vloopback kernel module is no longer necessary (but there's no need to switch if dv4l + vloopback works for you). - command line options for dv4lstart like dv4l, dv4lstart can now take command line options to exchange red/blue, to disable YUV, and to get debug output. see man page for examples - set time for stat calls ls -l /dev/video0 now shows the current access time instead of Jan 1970 - To run kopete with dv4lstart, hooks for readdir_r, lstat, access, getxattr, lgetxattr have been added 0.98 - dv4lstart for camcorder access without vloopback 0.97 - 'size' option for programs where memory mapped IO does not work 0.96 - yuv420p support added 0.95 - removed memory-leaking gstreamer from code base 0.91 - fixed some problems with initial parameter settings - new option -f - fixed excessive gstreamer buffering dv4l-1.0.orig/mkdv4lstart0000755000175000017500000000274510754375411015654 0ustar iwamatsuiwamatsu#!/bin/sh cat > dv4lstart << EOF # export LD_DEBUG=bindings # export DV4L_VERBOSE=3 export LD_PRELOAD="$1/libdv4l.so" export LD_PRELOAD usage () { echo "Usage: dv4lstart [-c] [-v ] command [command options]" echo echo "Version " $2 echo echo " -c, --color-correction" echo " Set this option if red objects look blue." echo echo " -n, --new-dev" echo " Tell dv4lstart to simulate a new video device rather" echo " than overriding /dev/video0. Set this option if your" echo " application needs to access other video devices." echo echo " -r, --rgb-only" echo " Set this option to prevent V4L applications from" echo " choosing YUV palettes. Try this option if you get low" echo " frame rates." echo echo " -v, --verbose " echo " Set the amount of debugging messages. A level of 0 means no" echo " output at all, 1 is the default, 3 enables all messages." } while [ "\$#" -gt "0" ] do case \$1 in -c | --color-correction) DV4L_COLORCORR=1 export DV4L_COLORCORR ;; -n | --new-dev) DV4L_NEWDEV=1 export DV4L_NEWDEV ;; -r | --rgb-only) DV4L_RGBONLY=1 export DV4L_RGBONLY ;; -v | --verbose) shift DV4L_VERBOSE=\$1 export DV4L_VERBOSE ;; -h | --help) usage exit -1 ;; *) exec \$* ;; esac shift done EOF chmod 755 dv4lstart dv4l-1.0.orig/config.h.in0000644000175000017500000000155710754375411015472 0ustar iwamatsuiwamatsu/* * Copyright (C) 2007 Free Software Foundation, Inc. * * 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; version 2. * * 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. * * Author: Wolfgang Beck 2007 */ #ifndef _config_h #define _config_h #define DV4LVERSION "@PACKAGE_VERSION@" #undef HAVE_XATTR #endif dv4l-1.0.orig/dv4l.10000644000175000017500000000452410754375411014377 0ustar iwamatsuiwamatsu.TH DV4L 1 .SH NAME dv4l \- make a dv1394 camcorder available for video4linux programs .SH SYNOPSIS .BI "dv4l [" options "]" .sp options (shortest form): .B [\-cdrsvh] .SH DESCRIPTION .B dv4l enables programs using the video4linux API to access a dv1394 (Firewire) camcorder. It pushes the video stream to an input device provided by the .B vloopback kernel module. Before starting .B dv4l , make sure that the .B vloopback module is present in the kernel. See http://www.lavrsen.dk/twiki/bin/view/Motion/VideoFourLinuxLoopbackDevice (without the dash) for information about this kernel module. Check your 1394 driver config by starting \ \ $ gst-launch-0.10 dv1394src \\! dvdemux \\! dvdec \\! xvimagesink from your shell. After turning on your camera, a video window should appear. If this works, dv4l should work as well. Make sure that your camera is on before starting a video4linux program. .SH OPTIONS .TP .BI "\-c, \-\-color\-correction" Set this option if red objects look blue. .TP .BI "\-d, \-\-device" \ device-name Use device-name as vloopback input device. If this option is omitted, .B dv4l will automatically look for an appropriate device. .TP .BI "\-r, \-\-rgb\-only Set this option to prevent V4L applications from choosing YUV palettes. Try this option if you get low frame rates. .TP .BI "\-s, \-\-size" \ WxH Set capture size and use slower copy mode, only required for some V4L applications. When using this option, V4L applications can't change the capture size. .TP .BI "\-v, \-\-verbose" \ level Set the amount of debugging messages. A level of 0 means no output at all, 1 is the default, 3 enables all messages. .TP .B "\-h, \-\-help" displays a help message .SH EXAMPLES In most cases, .B dv4l can be started without any options. Kopete, however needs the --size option, with a resolution of 320x240: \ \ dv4l -s 320x240 Like kopete, gqcam needs the \-\-size option, but supports arbitrary resolutions: \ \ dv4l -s 635x360 .B dv4l will do the scaling. .SH LIMITATIONS .B dv4l does not support adjustment of color, brightness and similar parameters. It supports only RGB24 and YUV420P palettes. Some V4L programs may not work as they require different palettes. It supports only a single dv1394 camera. Skype v2.0beta seems to have problems with vloopback and does NOT work with dv4l. Try .I dv4lstart instead. .SH SEE ALSO dv4lstart(1) dv4l-1.0.orig/dv4lstart.10000644000175000017500000000417510754375411015457 0ustar iwamatsuiwamatsu.TH DV4LSTART 1 .SH NAME dv4lstart \- redirect V4L API to access a camcorder from a V4L program .SH SYNOPSIS .BI "dvlstart [" options "] " command " [" argument " ...]" .sp .SH DESCRIPTION .B dv4lstart enables .I command to access a dv1394 (Firewire) camcorder by using the video4linux (V4L) API. .B dv4lstart uses the LD_PRELOAD facility to intercept calls to the V4L API and make the camcorder's videostream available. Check that LD_PRELOAD works in your environment by starting \ \ $ dv4lstart ls -l /dev/video0 The resulting output should look like crw-rw---- 0 root video 81, 0 Jan 1 1970 /dev/video0 Check your 1394 driver config by starting \ \ $ gst-launch-0.10 dv1394src \\! dvdemux \\! dvdec \\! xvimagesink from your shell. After turning on your camera, a video window should appear. If this works, dv4lstart should work as well. Inside .I command, use /dev/video0. Any existing, real V4L device named /dev/video0 can not be accessed from an application started with .B dv4lstart (applications started normally can access the real /dev/video0) .SH OPTIONS .TP .BI "\-c, \-\-color\-correction" Set this option if red objects look blue. .TP .BI "\-n, \-\-new\-dev" Tell dv4lstart to simulate a new video device rather than overriding /dev/video0. Set this option if your application needs to access other video devices. .TP .BI "\-r, \-\-rgb\-only Set this option to prevent V4L applications from choosing YUV palettes. Try this option if you get low frame rates. .TP .BI "\-v, \-\-verbose" \ level Set the amount of debugging messages. A level of 0 means no output at all, 1 is the default, 3 enables all messages. .TP .B "\-h, \-\-help" displays a help message .SH EXAMPLES The command \ \ $ dv4lstart v4l-info outputs some information about the simulated V4L device. \ \ $ dv4lstart -c gqcam -v /dev/video0 starts the .I gqcam webcam viewer, swapping red and blue colors. .SH LIMITATIONS Programs using exotic ways to access the V4L API will not work. Some environments don't allow the use of LD_PRELOAD for security reasons. .B dv4lstart will not work there. If .B dv4lstart does not work, try .I dv4l instead. .SH SEE ALSO dv4l(1) dv4l-1.0.orig/normfile.c0000644000175000017500000001124310754375411015417 0ustar iwamatsuiwamatsu/* Copyright (C) 2008 Free Software Foundation, Inc. * * 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; version 2. * * 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. * * Author: Wolfgang Beck 2008 */ #include #include #include #include #include /* * Unfortunately, realpath(3) requires that the path exists. * As we are faking files, we need to replicate its * functionality, at least the part that doesn't deal with links */ typedef enum { Null, Lim, Dot1, Dot2, DName, Fin } state_t; typedef struct { state_t nf_st; const char *nf_buf; } normfile_t; #ifdef UNIT_TEST static void st_print(state_t st) { const char *s; switch(st) { case Null: s = "Null"; break; case Lim: s = "Lim"; break; case Dot1: s = "Dot1"; break; case Dot2: s = "Dot2"; break; case DName: s = "DName"; break; case Fin: s = "Fin"; break; } printf("%s\n", s); } #endif state_t lim_ev(const normfile_t *nf, const char **cp, char **dp) { const char *c; char *d; state_t st; c = *cp; d = *dp; switch(nf->nf_st) { case Lim: ++c; st = Lim; break; case Dot2: /* remove last dir elem from d */ while(d >= nf->nf_buf && *d != '/') --d; if(d != nf->nf_buf) --d; if(*d != '/') ++d; ++c; st = Lim; break; case Dot1: ++c; st = Lim; break; case DName: default: ++c; st = Lim; break; } *cp = c; *dp = d; return st; } state_t dot_ev(const normfile_t *nf, const char **cp, char **dp) { const char *c; char *d; state_t st; c = *cp; d = *dp; switch(nf->nf_st) { case Null: st = Dot1; ++c; break; case Dot1: st = Dot2; ++c; break; case Dot2: *d = '.'; ++d; *d = '.'; ++d; *d = *c; ++c; ++d; st = DName; break; case Fin: case Lim: ++c; st = Dot1; break; case DName: default: *d = *c; ++c; ++d; st = DName; break; } *cp = c; *dp = d; return st; } state_t char_ev(const normfile_t *nf, const char **cp, char **dp) { const char *c; char *d; state_t st; c = *cp; d = *dp; switch(nf->nf_st) { case Fin: case Lim: *d = '/'; ++d; *d = *c; ++c; ++d; st = DName; break; case Dot2: *d = '/'; ++d; *d = '.'; ++d; *d = '.'; ++d; *d = *c; ++c; ++d; st = DName; break; case Dot1: *d = '/'; ++d; *d = '.'; ++d; *d = *c; ++d; ++c; st = DName; break; case Null: case DName: *d = *c; ++d; ++c; st = DName; break; } *cp = c; *dp = d; return st; } state_t null_ev(const normfile_t *nf, const char **cp, char **dp) { const char *c; char *d; state_t st; c = *cp; d = *dp; switch(nf->nf_st) { case Fin: case Null: case Dot1: case DName: *d = *c; st = Fin; break; case Lim: ++d; *d = *c; st = Fin; break; case Dot2: while(d != nf->nf_buf && *d != '/') --d; if(d == nf->nf_buf) { ++d; } *d = *c; st = Fin; break; } *cp = c; *dp = d; return st; } char *normalize(const char *path, char *normpath) { const char *c; char *d; state_t st; normfile_t nf; char buf[PATH_MAX]; if(realpath(path, normpath) != NULL) { return normpath; } nf.nf_st = Null; nf.nf_buf = normpath; c = path; if(*c != '/') { getcwd(buf, PATH_MAX); d = buf + strlen(buf); *d = '/'; ++d; strcat(d, path); c = buf; } d = normpath; st = Null; while(st != Fin) { switch(*c) { case '/': st = lim_ev(&nf, &c, &d); break; case '.': st = dot_ev(&nf, &c, &d); break; case '\0': st = null_ev(&nf, &c, &d); break; default: st = char_ev(&nf, &c, &d); break; } nf.nf_st = st; } return normpath; } #ifdef UNIT_TEST int main(int argc, char **argv) { char buf[PATH_MAX]; int rv; rv = normalize(argv[1], buf); printf("<%s> -> <%s>\n", argv[1], buf); return rv; } #endif dv4l-1.0.orig/interdv4l.c0000644000175000017500000007451110754375411015526 0ustar iwamatsuiwamatsu/* Copyright (C) 2008 Free Software Foundation, Inc. * * 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; version 2. * * 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. * * Author: Wolfgang Beck 2008 */ #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_XATTR #include #endif #include #include #include #include #include #include #include #include #define __USE_GNU #include #define __USE_LARGEFILE64 #include #include #include #include "config.h" #include "version.h" #include "normfile.h" #include "scale.h" #include "palettes.h" #include "util.h" #define VIDEOGROUP "video" #define VIDEODEV "/dev/video0" #define VIDEOV4L "/dev/v4l" #define VIDEOV4LDEV VIDEOV4L "/video0" static int fake_fd = -1; typedef enum { DvIdle = 1, DvRead, DvMmap } dv4l_run_t; typedef struct { int vfd; char vdevname[PATH_MAX]; char vdevalt[PATH_MAX]; char vdevbase[PATH_MAX]; unsigned char *vrbuf; unsigned char *vpmmap; int vimgsz; raw1394handle_t vraw; iec61883_dv_fb_t viec; dv_decoder_t *vdvdec; struct video_capability vcap; struct video_channel vchan; struct video_picture vpic; struct video_window vwin; uint8_t *vframe[3]; int vpitches[3]; int vcomplete; struct timeval vlastcomplete; dv4l_run_t vstate; int vnoredir; int vminor; int vrgbonly; time_t vtime; } vid_context_t; static vid_context_t vctx = { 0 }; static int is_videodev(const char *name); #define MKSTAT_COMMON(name, stat) \ int common_##name(gid_t vidgid, const char *path, struct stat *buf) \ { \ char resolved[PATH_MAX]; \ int rv; \ \ debug("#1" #name " <%s>\n", path); \ rv = -1; \ if(vctx.vnoredir == 0) { \ if(is_videodev(path)) { \ debug(#name " is videodev <%s>\n", path); \ memset(buf, 0, sizeof *buf); \ buf->st_mode = S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP; \ buf->st_rdev = makedev(81, vctx.vminor); \ buf->st_gid = vidgid; \ buf->st_blksize = 4096; \ buf->st_nlink = 1; \ buf->st_atime = time(NULL); \ buf->st_mtime = vctx.vtime; \ buf->st_ctime = vctx.vtime; \ rv = 0; \ } else { \ normalize(path, resolved); \ debug("#2" #name " <%s>\n", resolved); \ if(strcmp(VIDEOV4L, resolved) == 0) { \ debug("#3" #name " <%s>\n", resolved); \ memset(buf, 0, sizeof *buf); \ buf->st_mode = S_IFDIR | S_IRUSR | S_IWUSR | S_IXUSR \ | S_IRGRP | S_IWGRP | S_IXGRP; \ buf->st_gid = vidgid; \ rv = 0; \ } \ } \ } \ \ return rv; \ } MKSTAT_COMMON(lstat, stat) MKSTAT_COMMON(lstat64, stat64) MKSTAT_COMMON(__xstat, stat) MKSTAT_COMMON(__xstat64, stat64) MKSTAT_COMMON(__lxstat, stat) MKSTAT_COMMON(__lxstat64, stat64) #define MKXSTAT(name, stat) \ static int (*orig##name)(int, const char *, struct stat *) = NULL; \ int name(int ver, const char *path, struct stat *buf) \ { \ int rv; \ static gid_t vidgid; \ struct group *grp; \ \ if(orig##name == NULL) { \ orig##name = dlsym(RTLD_NEXT, #name); \ if(orig##name == NULL) return -1; \ grp = getgrnam(VIDEOGROUP); \ if(grp == NULL) { \ return -1; \ } \ vidgid = grp->gr_gid; \ } \ rv = orig##name(ver, path, buf); \ if(rv == -1) { \ rv = common_##name(vidgid, path, buf); \ } \ debug(#name " path <%s> noredir %d rv %d\n", path, vctx.vnoredir, rv); \ \ return rv; \ } MKXSTAT(__xstat, stat) MKXSTAT(__xstat64, stat64) MKXSTAT(__lxstat, stat) MKXSTAT(__lxstat64, stat64) #define MKSTAT(name, stat) \ static int (*orig##name)(const char *, struct stat *) = NULL; \ int name(const char *path, struct stat *buf) \ { \ int rv; \ static gid_t vidgid; \ struct group *grp; \ \ if(orig##name == NULL) { \ orig##name = dlsym(RTLD_NEXT, #name); \ if(orig##name == NULL) return -1; \ grp = getgrnam(VIDEOGROUP); \ if(grp == NULL) { \ return -1; \ } \ vidgid = grp->gr_gid; \ } \ rv = orig##name(path, buf); \ if(rv == -1) { \ rv = common_##name(vidgid, path, buf); \ } \ debug(#name " path <%s> noredir %d rv %d\n", path, vctx.vnoredir, rv); \ \ return rv; \ } MKSTAT(lstat, stat) MKSTAT(lstat64, stat64) int access(const char *path, int mode) { int (*orig)(const char *, int) = NULL; int rv; if(orig == NULL) { orig = dlsym(RTLD_NEXT, "access"); if(orig == NULL) return -1; } rv = orig(path, mode); if(rv == -1) { if(is_videodev(path)) { log("access <%s>\n", path); rv = 0; } } return rv; } #define LOOK4FREEDEV static int scan_dev(char *devname, const char *devtmpl) { #ifdef LOOK4FREEDEV struct stat statb; int i; /* * This code looks for a free video device number * * As there is no real benefit for the user in doing so, * this code is currently not used. * * To access a real V4L device under /dev/video0, an * application can just be started without dv4lstart. * * As there might be a compelling use case I don't know of, * this code stays for the time being. */ for(i = 0; i < 10; ++i) { sprintf(devname, devtmpl, i); if(stat(devname, &statb) < 0) { debug("stat <%s> ok\n", devname); return i; } } #else sprintf(devname, devtmpl, 0); return 0; #endif return -1; } static void init_vctx() { int m; vctx.vnoredir = 1; /* * see scan_dev comment for rationale behin this code */ if(getenv("DV4L_NEWDEV") != NULL) { m = scan_dev(vctx.vdevname, "/dev/video%d"); } else { strcpy(vctx.vdevname, VIDEODEV); m = 0; } if(m < 0) { m = scan_dev(vctx.vdevname, VIDEOV4L "/video%d"); if(m < 0) { strcpy(vctx.vdevname, VIDEODEV); m = 0; } else { sprintf(vctx.vdevalt, "/dev/video%d", m); } } else { sprintf(vctx.vdevalt, VIDEOV4L "/video%d", m); } vctx.vminor = m; vctx.vtime = time(NULL); sprintf(vctx.vdevbase, "video%d", m); vctx.vnoredir = 0; } /* * check if a name matches our simulated device */ static int is_videodev(const char *name) { char dir[PATH_MAX]; char resolved[PATH_MAX]; char *dname; char *d; const char *bname; if(vctx.vdevname[0] == '\0') { init_vctx(); } strcpy(dir, name); bname = basename(dir); dname = dirname(dir); if(normalize(dname, resolved) == NULL) return 0; d = resolved + strlen(resolved); *d = '/'; ++d; strcpy(d, bname); debug("is_videovdev devname <%s> devalt <%s> resolved <%s>\n", vctx.vdevname, vctx.vdevalt, resolved); return (strcmp(vctx.vdevname, resolved) == 0) || (strcmp(vctx.vdevalt, resolved) == 0); } static inline unsigned long timediff( const struct timeval *a, const struct timeval *b ) { return ((a->tv_sec * 1000) + (a->tv_usec / 1000)) - ((b->tv_sec * 1000) + (b->tv_usec / 1000)); } extern char **environ; #undef HIDE_PRELOAD #define PRELOAD "LD_PRELOAD=" static void strip_environ() { #ifdef HIDE_PRELOAD char **cp; char **dp; for(cp = environ, dp = NULL; *cp != NULL; ++cp) { if(strncmp(*cp, PRELOAD, (sizeof PRELOAD) - 1) == 0) { dp = cp; } } if(dp != NULL) { memcpy(dp, dp + 1, (cp - dp) * sizeof cp); } #endif } #define XSTR(s) STR(s) #define STR(s) #s static char **addlib(char *const envp[]) { char * const *cp; int sz; char **envp2; for(cp = (char *const *)envp; *cp != NULL; ++cp) ; sz = cp - envp; envp2 = malloc((sz + 1) * sizeof *cp); if(envp2 == NULL) return NULL; memcpy(envp2, envp, sz * sizeof *cp); envp2[sz] = "LD_PRELOAD=" XSTR(DV4LLIBNAME); envp2[sz + 1] = NULL; #if 0 int i; for(i = 0; envp2[i] != NULL; ++i) debug("*cp <%s>\n", envp2[i]); #endif return envp2; } char *getenv(const char *name) { static char *(*orig)(const char *name) = NULL; const char *dv4l_env; char *err; int lvl; if(orig == NULL) { orig = dlsym(RTLD_NEXT, "getenv"); if(orig == NULL) return NULL; dv4l_env = getenv("DV4L_VERBOSE"); if(dv4l_env != NULL) { lvl = strtol(dv4l_env, &err, 0); if(*dv4l_env != '\0' && *err == '\0') { set_tracelevel(lvl); log("set tracelevel to %d\n", lvl); } } dv4l_env = getenv("DV4L_COLORCORR"); set_color_correction(dv4l_env != NULL); dv4l_env = getenv("DV4L_RGBONLY"); vctx.vrgbonly = (dv4l_env != NULL); } if(strcmp(name, "LD_PRELOAD") == 0) { return NULL; } else { return orig(name); } } int execve(const char *fname, char *const argv[], char *const envp[]) { static int (*orig) (const char *fname, char *const argv[], char *const envp[]) = NULL; char **envp2; int rv; if(orig == NULL) { orig = dlsym(RTLD_NEXT, "execve"); if(orig == NULL) return -1; }; debug("execve <%s>\n", fname); envp2 = addlib(envp); rv = orig(fname, argv, envp2); free(envp2); return rv; } int fexecve(int fd, char *const argv[], char *const envp[]) { static int (*orig) (int, char *const argv[], char *const envp[]) = NULL; char **envp2; int rv; if(orig == NULL) { orig = dlsym(RTLD_NEXT, "execve"); if(orig == NULL) return -1; }; debug("fexecve\n"); envp2 = addlib(envp); rv = orig(fd, argv, envp2); free(envp2); return rv; } #ifdef HIDE_PRELOAD pid_t fork() { static pid_t (*orig)() = NULL; pid_t rv; char **env0; char **env1; if(orig == NULL) { orig = dlsym(RTLD_NEXT, "fork"); if(orig == NULL) return -1; } env0 = environ; env1 = addlib(env0); environ = env1; rv = orig(); environ = env0; return rv; } #endif #define MKFSTAT(name, stat) \ static int (*orig##name)(int, int fd, struct stat *buf) = NULL; \ int name(int ver, int fd, struct stat *buf) \ { \ \ if(orig##name == NULL) { \ orig##name = dlsym(RTLD_NEXT, #name); \ if(orig##name == NULL) return -1; \ } \ if(fd != fake_fd) { \ return orig##name(ver, fd, buf); \ } \ memset(buf, 0, sizeof *buf); \ buf->st_mode = S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP; \ buf->st_rdev = makedev(81, 10); \ debug(#name " videodev\n"); \ \ return 0; \ } MKFSTAT(__fxstat, stat) MKFSTAT(__fxstat64, stat64) #define MKFCNTL(name) \ static int (*orig##name)(int, int, ...) = NULL; \ int name(int fd, int cmd, ...) \ { \ va_list argp; \ char *p; \ int rv; \ \ if(orig##name == NULL) { \ orig##name = dlsym(RTLD_NEXT, #name); \ if(orig##name == NULL) return -1; \ } \ if(fd != fake_fd) { \ va_start(argp, cmd); \ p = va_arg(argp, char *); \ rv = orig##name(fd, cmd, p); \ va_end(argp); \ } else { \ debug(#name " %d videodev\n", cmd); \ rv = 0; \ } \ \ return rv; \ } MKFCNTL(fcntl); MKFCNTL(fcntl64); MKFCNTL(__fcntl); MKFCNTL(__fcntl64); #define MAXBUF 2 #define MKMMAP(name) \ void *name(void *start, size_t len, int prot, int flags, int fd, off_t off) \ { \ static void *(*orig)(void *, size_t, int, int, int, off_t) = NULL; \ void *rv; \ \ if(orig == NULL) { \ orig = dlsym(RTLD_NEXT, #name); \ if(orig == NULL) return NULL; \ } \ if((fake_fd != fd) || (fake_fd == -1) || (flags & MAP_ANONYMOUS)) { \ rv = orig(start, len, prot, flags, fd, off); \ } else if(fake_fd != -1) { \ vctx.vpmmap = malloc(MAXBUF * vctx.vimgsz); \ if(vctx.vpmmap == NULL) return MAP_FAILED; \ rv = vctx.vpmmap; \ } else { \ err("invalid fd in " #name "\n"); \ rv = MAP_FAILED; \ } \ log(#name " fd %d rv 0x%lx\n", fd, rv); \ \ return rv; \ } MKMMAP(mmap); MKMMAP(mmap2); MKMMAP(mmap64); MKMMAP(__mmap64); int munmap(void *start, size_t length) { static int (*orig)(void *, size_t) = NULL; int rv; if(orig == NULL) { orig = dlsym(RTLD_NEXT, "munmap"); if(orig == NULL) return -1; } debug("munmap 0x%lx\n", start); if(vctx.vpmmap != start) { rv = orig(start, length); } else { if(vctx.vstate == DvIdle) { if(vctx.vpmmap != NULL) { free(vctx.vpmmap); vctx.vpmmap = NULL; } } rv = 0; } debug("#3munmap rv %d\n", rv); return rv; } static inline int frame_process( vid_context_t *vc, const unsigned char *data ) { static unsigned char *tmp = NULL; unsigned char *scal_dst; unsigned char *pal_dst; unsigned char *dst; int w; int h; int rv; w = vc->vcap.maxwidth; h = vc->vcap.maxheight; if(tmp == NULL) { tmp = malloc(w * h * 3); } dst = vc->vrbuf; if(dst != NULL) { dv_decode_full_frame(vc->vdvdec, data, e_dv_color_rgb, vc->vframe, vc->vpitches); switch(vc->vpic.palette) { case VIDEO_PALETTE_YUV420P: scal_dst = tmp; pal_dst = dst; break; case VIDEO_PALETTE_RGB24: default: scal_dst = dst; pal_dst = dst; break; } scale(vc->vframe[0], scal_dst, w, h, vc->vwin.width, vc->vwin.height); rv = palette_conv(scal_dst, pal_dst, vc->vpic.palette, vc->vwin.width, vc->vwin.height); } else { rv = 0; } return rv; } static int frame_recv( unsigned char *data, int len, int complete, void *arg ) { vid_context_t *vc; int w; int h; vc = (vid_context_t *)arg; if(complete) { dv_parse_header(vc->vdvdec, data); if(vc->vpitches[0] == 0) { if(vc->vframe[0] != NULL) free(vc->vframe[0]); w = vc->vdvdec->width; h = vc->vdvdec->height; vc->vframe[0] = malloc(w * h * 3); vc->vpitches[0] = w * 3; vc->vcap.maxwidth = w; vc->vcap.maxheight = h; } frame_process(vc, data); vc->vcomplete = 1; } else { vc->vcomplete = 0; } return 0; } static void get_camsize(vid_context_t *vc) { fd_set rfds; int rv; if(iec61883_dv_fb_start(vc->viec, 63) < 0) { return ; } FD_ZERO(&rfds); debug("get_camsize\n"); while(vc->vcap.maxwidth == 0) { FD_SET(vc->vfd, &rfds); rv = select(vc->vfd + 1, &rfds, NULL, NULL, NULL); if(rv > 0) { if(FD_ISSET(vc->vfd, &rfds)) { raw1394_loop_iterate(vc->vraw); } } } iec61883_dv_fb_stop(vc->viec); vc->vimgsz = vc->vcap.maxwidth * vc->vcap.maxheight * 3; debug("vimgsz %d\n", vc->vimgsz); } #define MKOPEN(name) \ static int (*orig##name)(const char *, int flags, ...) = NULL; \ int name(const char *path, int flags, ...) \ { \ va_list argp; \ static int libdv_inited = 0; \ mode_t mode; \ int rv; \ \ if(orig##name == NULL) { \ orig##name = dlsym(RTLD_NEXT, #name); \ if(orig##name == NULL) return -1; \ strip_environ(); \ } \ log(#name " <%s>\n", path); \ if(is_videodev(path)) { \ if(fake_fd != -1) { \ debug(#name " videodev fake_fd already init'd\n"); \ return fake_fd; \ } \ debug("#1 dv4l open\n"); \ rv = orig##name("/dev/null", O_RDONLY); \ fake_fd = rv; \ if(!libdv_inited) { \ vctx.vraw = raw1394_new_handle_on_port(0); \ if(vctx.vraw == NULL) { \ return -1; \ } \ debug("#1 dv4l open libdv_init\n"); \ vctx.viec = iec61883_dv_fb_init(vctx.vraw, frame_recv, &vctx); \ if(vctx.viec == NULL) return -1; \ dv_init(0, 0); \ vctx.vdvdec = dv_decoder_new(FALSE, FALSE, FALSE); \ if(vctx.vdvdec == NULL) { \ return -1; \ } \ dv_set_quality(vctx.vdvdec, DV_QUALITY_BEST); \ vctx.vframe[0] = NULL; \ vctx.vframe[1] = NULL; \ vctx.vframe[2] = NULL; \ vctx.vpitches[1] = 0; \ vctx.vpitches[2] = 0; \ vctx.vpic.palette = VIDEO_PALETTE_RGB24; \ vctx.vpic.depth = get_depth(vctx.vpic.palette); \ libdv_inited = 1; \ } \ vctx.vstate = DvRead; \ vctx.vpitches[0] = 0; \ vctx.vfd = raw1394_get_fd(vctx.vraw); \ vctx.vrbuf = NULL; \ vctx.vpmmap = NULL; \ gettimeofday(&vctx.vlastcomplete, NULL); \ vctx.vcap.maxwidth = 0; \ vctx.vcap.maxheight = 0; \ log("#2 dv4l open vfd %d fake_fd %d\n", vctx.vfd, fake_fd); \ get_camsize(&vctx); \ vctx.vwin.width = vctx.vcap.maxwidth; \ vctx.vwin.height = vctx.vcap.maxheight; \ debug("#3 dv4l open\n"); \ iec61883_dv_set_buffers(iec61883_dv_fb_get_dv(vctx.viec), 1000); \ if(iec61883_dv_fb_start(vctx.viec, 63) < 0) { \ debug("#4 dv4l open\n"); \ return -1; \ } \ debug("#5 dv4l open\n"); \ } else { \ if(flags & O_CREAT) { \ va_start(argp, flags); \ mode = va_arg(argp, mode_t); \ rv = orig##name(path, flags, mode); \ va_end(argp); \ } else { \ rv = orig##name(path, flags); \ } \ debug("#5 dv4l open rv %d err <%s>\n", rv, strerror(errno)); \ } \ \ return rv; \ } MKOPEN(open) MKOPEN(open64) MKOPEN(__open) MKOPEN(__open64) int select( int nfds, fd_set *rd, fd_set *wr, fd_set *exc, struct timeval *tv ) { static int (*orig)( int , fd_set *, fd_set *, fd_set *, struct timeval *) = NULL; int rv; if(orig == NULL) { orig = dlsym(RTLD_NEXT, "select"); if(orig == NULL) return -1; } if(fake_fd == -1 || nfds < fake_fd || !FD_ISSET(fake_fd, rd)) { return orig(nfds, rd, wr, exc, tv); } if(FD_ISSET(fake_fd, rd)) { FD_CLR(fake_fd, rd); FD_SET(vctx.vfd, rd); if(vctx.vfd >= nfds) { nfds = vctx.vfd + 1; } rv = orig(nfds, rd, wr, exc, tv); if(FD_ISSET(vctx.vfd, rd)) { FD_SET(fake_fd, rd); FD_CLR(vctx.vfd, rd); } } else { rv = orig(nfds, rd, wr, exc, tv); } return rv; } ssize_t read(int fd, void *buf, size_t count) { static ssize_t (*orig)(int, void *, size_t) = NULL; fd_set rfds; int cnt; struct timeval readstart; struct timeval selstart; unsigned long td; if(orig == NULL) { orig = dlsym(RTLD_NEXT, "read"); if(orig == NULL) return -1; } if(fd != fake_fd) { cnt = orig(fd, buf, count); return cnt; } /* * get time that has elapsed since last complete frame */ gettimeofday(&readstart, NULL); td = timediff(&readstart, &vctx.vlastcomplete); FD_ZERO(&rfds); while(1) { FD_SET(vctx.vfd, &rfds); vctx.vrbuf = buf; gettimeofday(&selstart, NULL); if(select(vctx.vfd + 1, &rfds, NULL, NULL, NULL) > 0) { raw1394_loop_iterate(vctx.vraw); if(vctx.vcomplete) { /* * check if we had skipped enough frames to * only get the latest frame; this avoids jittery * display */ gettimeofday(&vctx.vlastcomplete, NULL); td += timediff(&vctx.vlastcomplete, &selstart); if(vctx.vstate == DvRead || td > 20) return count; } } } printf("td %ld\n",td); return count; } ssize_t write(int fd, const void *buf, size_t count) { static ssize_t (*orig)(int, const void *, size_t) = NULL; if(orig == NULL) { orig = dlsym(RTLD_NEXT, "write"); if(orig == NULL) return -1; } if(fd != fake_fd) { return orig(fd, buf, count); } debug("dv4l write\n"); return count; } int ioctl(int fd, int request, ...) { va_list argp; static int (*orig)(int, int, ...) = NULL; struct video_capability *vcap; struct video_channel *vchan; struct video_picture *vpic; struct video_window *vwin; struct video_mbuf *vmbuf; struct video_mmap *vmmap; char *p; int rv; int frame; if(orig == NULL) { orig = dlsym(RTLD_NEXT, "ioctl"); if(orig == NULL) return -1; } if(fd != fake_fd) { va_start(argp, request); p = va_arg(argp, char *); rv = orig(fd, request, p); va_end(argp); return rv; } debug("ioctl videodev fd %d req %d\n", fd, request); switch(request) { case VIDIOCGCAP: va_start(argp, request); vcap = va_arg(argp, struct video_capability *); va_end(argp); strncpy(vcap->name, "DV4Linux dv1394 to V4L", sizeof(vcap->name)); vcap->channels = 1; vcap->type = VID_TYPE_CAPTURE; vcap->audios = 0; log("report max w %d h %d\n", vctx.vcap.maxwidth, vctx.vcap.maxheight); vcap->maxwidth = vctx.vcap.maxwidth; vcap->maxheight = vctx.vcap.maxheight; vcap->minwidth = 176; vcap->minheight = 144; return 0; case VIDIOCGCHAN: va_start(argp, request); vchan = va_arg(argp, struct video_channel *); va_end(argp); vchan->channel = 0; strncpy(vchan->name, "DVCam", sizeof vchan->name); vchan->tuners = 0; vchan->type = VIDEO_TYPE_CAMERA; vchan->flags = 0; vchan->norm = VIDEO_MODE_AUTO; debug("#2dv4l ioctl\n"); return 0; case VIDIOCSCHAN: debug("#3dv4l ioctl\n"); return 0; case VIDIOCGPICT: va_start(argp, request); vpic = va_arg(argp, struct video_picture *); va_end(argp); vpic->brightness = 32768; vpic->hue = 32768; vpic->colour = 32768; vpic->contrast = 32768; vpic->whiteness = 32768; vpic->depth = get_depth(vctx.vpic.palette); vpic->palette = vctx.vpic.palette; return 0; case VIDIOCSPICT: va_start(argp, request); vpic = va_arg(argp, struct video_picture *); va_end(argp); debug("#5dv4l ioctl\n"); if(vpic->palette == VIDEO_PALETTE_RGB24 || (vpic->palette == VIDEO_PALETTE_YUV420P && vctx.vrgbonly == 0)) { log("set palette %d\n", vpic->palette); vctx.vpic.palette = vpic->palette; return 0; } else { log("VIDIOCSPICT unsupported palette\n"); return -1; } case VIDIOCGWIN: va_start(argp, request); vwin = va_arg(argp, struct video_window *); va_end(argp); vwin->x = 0; vwin->y = 0; vwin->width = vctx.vwin.width; vwin->height = vctx.vwin.height; vwin->clips = NULL; vwin->clipcount = 0; return 0; case VIDIOCSWIN: va_start(argp, request); vwin = va_arg(argp, struct video_window *); va_end(argp); debug("#6dv4l ioctl set to w %d h %d\n", vwin->width, vwin->height); vctx.vwin.width = vwin->width; vctx.vwin.height = vwin->height; return 0; case VIDIOCGMBUF: debug("VIDIOCGMBUF\n"); va_start(argp, request); vmbuf = va_arg(argp, struct video_mbuf *); va_end(argp); vmbuf->size = MAXBUF * vctx.vimgsz; vmbuf->frames = MAXBUF; vmbuf->offsets[0] = 0; vmbuf->offsets[1] = vctx.vimgsz; vctx.vstate = DvMmap; return 0; case VIDIOCSYNC: va_start(argp, request); frame = *(va_arg(argp, int *)); va_end(argp); read(fake_fd, vctx.vpmmap + vctx.vimgsz * frame, vctx.vimgsz); vctx.vstate = DvMmap; return 0; case VIDIOCMCAPTURE: va_start(argp, request); vmmap = va_arg(argp, struct video_mmap *); va_end(argp); if(vctx.vpmmap != NULL) { if(vmmap->format == VIDEO_PALETTE_RGB24 || (vmmap->format == VIDEO_PALETTE_YUV420P && vctx.vrgbonly == 0)) { vctx.vpic.palette = vmmap->format; vctx.vwin.width = vmmap->width; vctx.vwin.height = vmmap->height; vctx.vstate = DvMmap; rv = 0; } else { log("unsupported/disabled palette %d\n", vmmap->format); rv = -1; } } else { log("VIDIOCSYNC no mem mapped\n"); rv = -1; } return rv; case VIDIOCGCAPTURE: case VIDIOCGFBUF: default: log("unsupported ioctl %d\n", request); errno = EINVAL; return -1; } return 0; } int close(int fd) { static int (*orig)(int) = NULL; if(orig == NULL) { orig = dlsym(RTLD_NEXT, "close"); if(orig == NULL) return -1; strip_environ(); } if(fd == fake_fd) { log("close fake_fd"); iec61883_dv_fb_stop(vctx.viec); vctx.vstate = DvIdle; fake_fd = -1; } return orig(fd); } typedef struct dx_s { DIR *dx_dir; enum { DxOther = 1, DxDev, DxDevFnd, DxDevEnd, DxMkDir } dx_fnd; union { struct dirent dirent; struct dirent64 dirent64; } de; struct dx_s *next; } dx_t; #define HASHSZ 13 static dx_t *dxtab[HASHSZ]; static void dxtab_init() { int i; for(i = 0; i < HASHSZ; ++i) dxtab[i] = NULL; } static dx_t **dxtab_find0(const DIR *dir) { dx_t *p; dx_t **pp; for(pp = &dxtab[(unsigned long)dir % HASHSZ], p = *pp; p != 0 && p->dx_dir != dir; pp = &p->next, p = *pp) ; return pp; } static dx_t *dxtab_find(const DIR *dir) { dx_t **pp; pp = dxtab_find0(dir); return *pp; } static void dxtab_add(dx_t *d) { dx_t **pp; pp = dxtab_find0(d->dx_dir); d->next = *pp; *pp = d; } static void dxtab_rm(const DIR *dir) { dx_t *p; dx_t **pp; pp = dxtab_find0(dir); p = *pp; if(p != NULL) { *pp = p->next; free(p); } } DIR *opendir(const char *path) { static DIR *(*orig)(const char *) = NULL; char resolved[PATH_MAX]; DIR *dir; dx_t *d; if(orig == NULL) { orig = dlsym(RTLD_NEXT, "opendir"); if(orig == NULL) return NULL; dxtab_init(); if(vctx.vdevname[0] == '\0') { init_vctx(); } } dir = orig(path); normalize(path, resolved); if(dir == NULL) { if(strcmp("/dev/v4l", resolved) == 0) { /* * simulate non-existing /dev/v4l directory */ d = malloc(sizeof *d); if(d == NULL) return NULL; memset(d, 0, sizeof *d); d->dx_dir = orig("/");; d->dx_fnd = DxMkDir; dxtab_add(d); return d->dx_dir; } else { return dir; } } d = malloc(sizeof *d); if(d == NULL) return NULL; d->dx_dir = dir; log("opendir <%s>\n", resolved); if((strcmp("/dev", resolved) == 0) || (strcmp("/dev/v4l", resolved) == 0)) { d->dx_fnd = DxDev; } else { d->dx_fnd = DxOther; } dxtab_add(d); return d->dx_dir; } DIR *fdopendir(int fd) { static DIR *(*orig)(int) = NULL; dx_t *d; DIR *dir; debug("fdopendir"); if(orig == NULL) { orig = dlsym(RTLD_NEXT, "fdopendir"); if(orig == NULL) return NULL; } dir = orig(fd); if(dir == NULL) return NULL; d = malloc(sizeof *d); if(d == NULL) return NULL; d->dx_dir = dir; d->dx_fnd = DxOther; dxtab_add(d); return d->dx_dir; } #define MKCOMMON_RDIR(name, dirent) \ struct dirent *common_##name(dx_t *d, struct dirent *de) \ { \ switch(d->dx_fnd) { \ case DxDev: \ if(de == NULL) { \ memset(&d->de, 0, sizeof(struct dirent64)); \ d->de.dirent.d_type = DT_CHR; \ strcpy(d->de.dirent.d_name, vctx.vdevbase); \ log("common_" #name " inserting <%s>\n", vctx.vdevbase); \ de = &d->de.dirent; \ d->dx_fnd = DxDevEnd; \ }; \ return de; \ case DxDevFnd: \ case DxOther: \ default: \ return de; \ } \ } MKCOMMON_RDIR(readdir, dirent) MKCOMMON_RDIR(readdir64, dirent64) MKCOMMON_RDIR(readdir_r, dirent) MKCOMMON_RDIR(readdir64_r, dirent64) #define MKREADDIR(name, dirent) \ struct dirent *name(DIR *dir) \ { \ static struct dirent * (*orig)(DIR *) = NULL; \ struct dirent *de; \ dx_t *d; \ \ d = dxtab_find(dir); \ if(d == NULL) return NULL; \ if(d->dx_fnd == DxDevEnd) return NULL; \ \ if(orig == NULL) { \ orig = dlsym(RTLD_NEXT, #name); \ if(orig == NULL) return NULL; \ } \ \ if(d->dx_fnd != DxMkDir) { \ de = orig(d->dx_dir); \ if(de != NULL) { \ if(strcmp(de->d_name, vctx.vdevbase) == 0) { \ d->dx_fnd = DxDevFnd; \ } \ } \ } else { \ de = NULL; \ d->dx_fnd = DxDev; \ } \ \ return common_##name(d, de); \ } MKREADDIR(readdir, dirent) MKREADDIR(readdir64, dirent64) #define MKREADDIR_R(name, dirent) \ int name(DIR *dir, struct dirent *entry, \ struct dirent **result) \ { \ static int (*orig)(DIR *, struct dirent *, \ struct dirent **) = NULL; \ struct dirent *de; \ dx_t *d; \ int rv; \ \ d = dxtab_find(dir); \ if(d == NULL) return -1; \ if(d->dx_fnd == DxDevEnd) { \ *result = NULL; \ return 0; \ } \ \ if(orig == NULL) { \ orig = dlsym(RTLD_NEXT, #name); \ if(orig == NULL) return -1; \ } \ log("#1" #name "\n"); \ \ if(d->dx_fnd != DxMkDir) { \ rv = orig(d->dx_dir, entry, result); \ de = *result; \ if(de != NULL) { \ if(strcmp(de->d_name, vctx.vdevbase) == 0) { \ d->dx_fnd = DxDevFnd; \ } \ } \ } else { \ log("#2" #name "\n"); \ de = NULL; \ d->dx_fnd = DxDev; \ rv = 0; \ } \ de = common_##name(d, de); \ *result = de; \ if(d->dx_fnd == DxDevEnd) { \ if(de != NULL) { \ memcpy(entry, de, sizeof *de); \ } \ rv = 0; \ } \ \ return rv; \ } MKREADDIR_R(readdir_r, dirent) MKREADDIR_R(readdir64_r, dirent64) #define FUNARGS(...) , __VA_ARGS__ #define MKDIRFUN(ret, reterr, name, argts, args) \ ret name argts \ { \ static ret (*orig) argts = NULL; \ dx_t *d; \ \ debug(#name "\n"); \ if(orig == NULL) { \ orig = dlsym(RTLD_NEXT, #name); \ if(orig == NULL) return reterr; \ } \ d = dxtab_find(dir); \ if(d == NULL) return reterr; \ \ return orig(d->dx_dir args); \ } MKDIRFUN(void, ,rewinddir, (DIR *dir), ) MKDIRFUN(off_t, -1, telldir, (DIR *dir), ) MKDIRFUN(void, , seekdir, (DIR *dir, off_t offset), FUNARGS(offset)) MKDIRFUN(int, -1, dirfd, (DIR *dir), ) int closedir(DIR *dir) { static int (*orig)(DIR *) = NULL; dx_t *d; int rv; if(orig == NULL) { orig = dlsym(RTLD_NEXT, "closedir"); if(orig == NULL) return -1; } d = dxtab_find(dir); if(d == NULL) return -1; rv = orig(d->dx_dir); dxtab_rm(dir); #if 0 if(vctx.vpmmap != NULL) { free(vctx.vpmmap); log("set vpmmap to NULL\n"); vctx.vpmmap = NULL; } #endif return rv; } #ifdef HAVE_XATTR #define MKGETXATTR(name) \ ssize_t name(const char *path, const char *name, \ void *value, size_t size) \ { \ static ssize_t (*orig)(const char *, const char *, \ void *, size_t) = NULL; \ char buf[PATH_MAX]; \ ssize_t rv; \ \ if(orig == NULL) { \ orig = dlsym(RTLD_NEXT, #name); \ if(orig == NULL) { \ err("symbol " #name " not found\n"); \ return -1; \ } \ } \ rv = orig(path, name, value, size); \ if(rv == -1) { \ if(is_videodev(path)) { \ log(#name " path <%s> name <%s>\n", path, name); \ errno = EOPNOTSUPP; \ } else { \ log(#name " path <%s> name <%s>\n", path, name); \ normalize(path, buf); \ if(strcmp("/dev/v4l", buf) == 0) { \ errno = EOPNOTSUPP; \ } \ } \ } \ \ return rv; \ } MKGETXATTR(getxattr) MKGETXATTR(lgetxattr) #endif dv4l-1.0.orig/Makefile.in0000644000175000017500000000423310754375411015506 0ustar iwamatsuiwamatsu# Copyright (C) 2007 Free Software Foundation, Inc. # # 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; version 2. # # 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. # # Author: Wolfgang Beck 2007 VER := @PACKAGE_VERSION@ CFLAGS := -Wall -O3 -MMD LDFLAGS := -lraw1394 -liec61883 -ldv datarot=@datarootdir@ bindir=@prefix@@bindir@ mandir=@prefix@@mandir@ SRC := \ normfile.c \ palettes.c \ scale.c \ util.c \ dv4l.c INCS := \ palettes.h \ normfile.h \ scale.h \ util.h ARCHIVE := \ CHANGES \ LICENSE \ Makefile.in \ config.h.in \ version.h.in \ configure.ac \ configure \ mkdv4lstart \ interdv4l.c \ dv4l.1 \ dv4lstart.1 \ $(SRC) \ $(INCS) OBJ := $(SRC:.c=.o) all: dv4l libdv4l.so dv4lstart dv4l: $(OBJ) $(CC) $(LDFLAGS) -o $@ $(OBJ) libdv4l.so: interdv4l.c normfile.c scale.c palettes.c util.c $(INCS) $(CC) -Wall -O3 -shared -fpic -Wl,-soname,$@ \ -D DV4LLIBNAME=@prefix@@libdir@/libdv4l.so \ -ldl -lraw1394 -liec61883 -ldv $< \ normfile.c scale.c palettes.c util.c -o $@ dv4lstart: ./mkdv4lstart @prefix@@libdir@ $(VER) tar: mkdir dv4l-$(VER) cp $(ARCHIVE) dv4l-$(VER) tar cvzf dv4l-$(VER).tar.gz dv4l-$(VER) rm -rf dv4l-$(VER) clean: rm -f *.o core dv4l dv4lstart libdv4l.so install: dv4l dv4lstart libdv4l.so install -D -m 0750 -g video dv4l $(bindir) install -D -m 0644 dv4l.1 $(mandir)/man1 install -D -m 0644 dv4lstart.1 $(mandir)/man1 install -D -m 0755 libdv4l.so @prefix@@libdir@ install -D -m 0755 dv4lstart @prefix@@bindir@ uninstall: rm -f $(bindir)/dv4l rm -f $(mandir)/man1/dv4l.1 rm -f $(mandir)/man1/dv4lstart.1 rm -f @prefix@@bindir@/dv4lstart rm -f @prefix@@libdir@/libdv4l.so -include *.d dv4l-1.0.orig/util.c0000644000175000017500000000241110754375411014556 0ustar iwamatsuiwamatsu/* * Copyright (C) 2007 Free Software Foundation, Inc. * * 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; version 2. * * 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. * * Author: Wolfgang Beck 2007 */ #include #include #include #include #include #include #include #include "util.h" static int tracelevel = 1; void set_tracelevel(int x) { tracelevel = x; } void _trace(int level, const char *file, int lineno, const char *fmt, ...) { va_list ap; if(level <= tracelevel) { if(tracelevel > 1) { fprintf(stderr, "%s +%d: ", file, lineno); } va_start(ap, fmt); vfprintf(stderr, fmt, ap); va_end(ap); } } dv4l-1.0.orig/normfile.h0000644000175000017500000000154710754375411015432 0ustar iwamatsuiwamatsu/* Copyright (C) 2008 Free Software Foundation, Inc. * * 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; version 2. * * 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. * * Author: Wolfgang Beck 2008 */ #ifndef _normfile_h #define _normfile_h char *normalize(const char *path, char *normpath); #endif