#1734: Problems dumping H264 stream from an Axis camera ------------------------------------+------------------------------------ Reporter: PaulJBis | Owner: Type: defect | Status: open Priority: important | Component: avformat Version: git-master | Resolution: Keywords: regression | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | ------------------------------------+------------------------------------
Comment (by PaulJBis): Here you go: {{{ [paulo@webserver ffmpeg]$ ffmpeg -v 99 -fdebug ts -rtsp_transport tcp -i rtsp://root:root@192.168.1.131:554/axis- media/media.amp?streamprofile=Media?tcp -vcodec copy -acodec copy -t 2 ../axis.mp4 ffmpeg version N-43194-gb288b4c Copyright (c) 2000-2012 the FFmpeg developers built on Aug 25 2012 19:57:36 with gcc 4.1.2 (GCC) 20080704 (Red Hat 4.1.2-50) configuration: --enable-encoder=libx264 --enable-libx264 --enable- runtime-cpudetect --enable-libmp3lame --enable-gpl --extra- cflags=-I/usr/local/include --extra-ldflags=-L/usr/local/lib libavutil 51. 66.100 / 51. 66.100 libavcodec 54. 48.100 / 54. 48.100 libavformat 54. 22.100 / 54. 22.100 libavdevice 54. 2.100 / 54. 2.100 libavfilter 3. 5.102 / 3. 5.102 libswscale 2. 1.100 / 2. 1.100 libswresample 0. 15.100 / 0. 15.100 libpostproc 52. 0.100 / 52. 0.100 [rtsp @ 0xaee3660] SDP: v=0 o=- 1288193118712824 1288193118712824 IN IP4 192.168.1.131 s=Media Presentation e=NONE c=IN IP4 0.0.0.0 b=AS:50000 t=0 0 a=control:rtsp://192.168.1.131:554/axis- media/media.amp?streamprofile=Media?tcp a=range:npt=0.000000- m=video 0 RTP/AVP 96 b=AS:50000 a=framerate:25.0 a=transform:1,0,0;0,1,0;0,0,1 a=control:rtsp://192.168.1.131:554/axis- media/media.amp/trackID=1?streamprofile=Media?tcp a=rtpmap:96 H264/90000 a=fmtp:96 packetization-mode=1; profile-level-id=420029; sprop-parameter- sets=Z0IAKeNQFAe2AtwEBAaQeJEV,aM48gA== [rtsp @ 0xaee3660] video codec set to: h264 [NULL @ 0xaeeb800] RTP Packetization Mode: 1 [NULL @ 0xaeeb800] RTP Profile IDC: 42 Profile IOP: 0 Level: 29 [NULL @ 0xaeeb800] Extradata set to 0xaeebc60 (size: 30)! [rtsp @ 0xaee3660] hello state=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=0, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=0, dts=NOPTS, size=1386, duration=0, flags=0 Last message repeated 11 times [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=0, dts=NOPTS, size=423, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=8989, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=NOPTS, dts=NOPTS, size=18446, duration=0, flags=1 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=8989, dts=NOPTS, size=1386, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=8989, dts=NOPTS, size=49, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=17977, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=8989, dts=8989, size=2826, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=17977, dts=NOPTS, size=870, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=23669, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=17977, dts=17977, size=2261, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=23669, dts=NOPTS, size=534, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=29812, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=23669, dts=23669, size=1925, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=29812, dts=NOPTS, size=438, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=35954, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=29812, dts=29812, size=1829, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=35954, dts=NOPTS, size=274, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=44943, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=35954, dts=35954, size=1665, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=44943, dts=NOPTS, size=198, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=50635, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=44943, dts=44943, size=1589, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=50635, dts=NOPTS, size=66, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=56778, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=50635, dts=50635, size=1457, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=56778, dts=NOPTS, size=197, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=62920, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=56778, dts=56778, size=1588, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=62920, dts=NOPTS, size=216, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=71909, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=62920, dts=62920, size=1607, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=71909, dts=NOPTS, size=112, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=74755, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=71909, dts=71909, size=1503, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=74755, dts=NOPTS, size=160, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=77601, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=74755, dts=74755, size=1551, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=77601, dts=NOPTS, size=145, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=80898, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=77601, dts=77601, size=1536, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=80898, dts=NOPTS, size=43, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=83743, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=80898, dts=80898, size=1434, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=83743, dts=NOPTS, size=85, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=86590, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=83743, dts=83743, size=1476, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=86590, dts=NOPTS, size=30, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=89886, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=86590, dts=86590, size=1421, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=89886, dts=NOPTS, size=142, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=92732, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=89886, dts=89886, size=1533, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=92732, dts=NOPTS, size=132, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=95578, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=92732, dts=92732, size=1523, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=95578, dts=NOPTS, size=20, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=98875, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=95578, dts=95578, size=1411, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=98875, dts=NOPTS, size=10, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=101720, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=98875, dts=98875, size=1401, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=101720, dts=NOPTS, size=35, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=104567, dts=NOPTS, size=1387, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=101720, dts=101720, size=1426, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=107864, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=104567, dts=104567, size=1387, duration=0, flags=0 [rtsp @ 0xaee3660] All info found rfps: 29.666667 0.015256 rfps: 29.750000 0.010131 Last message repeated 1 times rfps: 29.833333 0.006216 Last message repeated 1 times rfps: 29.916667 0.003510 Last message repeated 1 times rfps: 30.000000 0.002014 Last message repeated 1 times rfps: 30.083333 0.001727 rfps: 30.166667 0.002649 rfps: 30.250000 0.004781 rfps: 30.333333 0.008122 rfps: 30.416667 0.012672 rfps: 30.500000 0.018432 rfps: 59.750000 0.018848 rfps: 59.833333 0.014041 Last message repeated 1 times rfps: 59.916667 0.010444 Last message repeated 1 times rfps: 60.000000 0.008056 Last message repeated 1 times rfps: 29.970030 0.002413 Last message repeated 1 times rfps: 59.940060 0.009651 Last message repeated 1 times [rtsp @ 0xaee3660] Estimating duration from bitrate, this may be inaccurate Input #0, rtsp, from 'rtsp://root:root@192.168.1.131:554/axis- media/media.amp?streamprofile=Media?tcp': Metadata: title : Media Presentation Duration: N/A, start: 0.099878, bitrate: N/A Stream #0:0, 22, 1/90000: Video: h264 (Baseline), yuvj420p, 640x480 [SAR 1:1 DAR 4:3], 1/180000, 30.08 tbr, 90k tbn, 180k tbc Output #0, mp4, to '../axis.mp4': Metadata: title : Media Presentation encoder : Lavf54.22.100 Stream #0:0, 0, 1/90000: Video: h264 ([33][0][0][0] / 0x0021), yuvj420p, 640x480 [SAR 1:1 DAR 4:3], 1/90000, q=2-31, 90k tbn, 90k tbc Stream mapping: Stream #0:0 -> #0:0 (copy) Press [q] to stop, [?] for help [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=107864, dts=NOPTS, size=183, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=110709, dts=NOPTS, size=1361, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=107864, dts=107864, size=1574, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=113555, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=110709, dts=110709, size=1361, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=113555, dts=NOPTS, size=79, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=116401, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=113555, dts=113555, size=1470, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=116401, dts=NOPTS, size=26, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=119698, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=116401, dts=116401, size=1417, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=119698, dts=NOPTS, size=177, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=122544, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=119698, dts=119698, size=1568, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=122544, dts=NOPTS, size=20, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=125390, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=122544, dts=122544, size=1411, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=125390, dts=NOPTS, size=25, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=128686, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=125390, dts=125390, size=1416, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=128686, dts=NOPTS, size=73, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=131532, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=128686, dts=128686, size=1464, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=131532, dts=NOPTS, size=43, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=134379, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=131532, dts=131532, size=1434, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=134379, dts=NOPTS, size=106, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=137674, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=134379, dts=134379, size=1497, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=137674, dts=NOPTS, size=1386, duration=0, flags=0 Last message repeated 11 times [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=137674, dts=NOPTS, size=520, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=140521, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=137674, dts=137674, size=18543, duration=0, flags=1 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=140521, dts=NOPTS, size=1386, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=140521, dts=NOPTS, size=4, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=143367, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=140521, dts=140521, size=2781, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=143367, dts=NOPTS, size=970, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=146663, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=143367, dts=143367, size=2361, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=146663, dts=NOPTS, size=665, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=149510, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=146663, dts=146663, size=2056, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=149510, dts=NOPTS, size=419, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=152356, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=149510, dts=149510, size=1810, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=152356, dts=NOPTS, size=422, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=158498, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=152356, dts=152356, size=1813, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=158498, dts=NOPTS, size=144, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=164640, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=158498, dts=158498, size=1535, duration=0, flags=0 frame= 39 fps=0.0 q=-1.0 size= 96kB time=00:00:01.66 bitrate= 473.6kbits/ff_read_packet stream=0, pts=164640, dts=NOPTS, size=167, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=167487, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=164640, dts=164640, size=1558, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=167487, dts=NOPTS, size=63, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=170333, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=167487, dts=167487, size=1454, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=170333, dts=NOPTS, size=147, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=176475, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=170333, dts=170333, size=1538, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=176475, dts=NOPTS, size=154, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=179321, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=176475, dts=176475, size=1545, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=179321, dts=NOPTS, size=130, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=182617, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=179321, dts=179321, size=1521, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=182617, dts=NOPTS, size=23, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=185464, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=182617, dts=182617, size=1414, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=185464, dts=NOPTS, size=151, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=188310, dts=NOPTS, size=1340, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=185464, dts=185464, size=1542, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=191606, dts=NOPTS, size=1348, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=188310, dts=188310, size=1340, duration=0, flags=0 [rtsp @ 0xaee3660] ff_read_packet stream=0, pts=194452, dts=NOPTS, size=1391, duration=0, flags=0 [rtsp @ 0xaee3660] read_frame_internal stream=0, pts=191606, dts=191606, size=1348, duration=0, flags=0 No more output streams to write to, finishing. frame= 47 fps=0.0 q=-1.0 Lsize= 109kB time=00:00:01.99 bitrate= 448.0kbits/s video:108kB audio:0kB subtitle:0 global headers:0kB muxing overhead 1.244806% }}} -- Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1734#comment:8> FFmpeg <http://ffmpeg.org> FFmpeg issue tracker _______________________________________________ FFmpeg-trac mailing list FFmpeg-trac@avcodec.org http://avcodec.org/mailman/listinfo/ffmpeg-trac