Ok. First test: $ ./ffmpeg -y -f v4l2 -video_size 640x360 -framerate 5 \ > -ts abs -i /dev/video0 \ > -f alsa -ac 1 -i hw:1,0 \ > -vcodec mpeg4 -vtag xvid -q 3 \ > -acodec libmp3lame -ab 96k \ > output.avi ffmpeg version N-43517-gac424b2- http://johnvansickle.com/ffmpeg/ Copyright (c) 2000-2015 the FFmpeg developers built with gcc 4.9.2 (Debian 4.9.2-10) configuration: --enable-gpl --enable-version3 --disable-shared --disable-debug --enable-runtime-cpudetect --enable-libmp3lame --enable-libx264 --enable-libx265 --enable-libwebp --enable-libspeex --enable-libvorbis --enable-libvpx --enable-libfreetype --enable-fontconfig --enable-libxvid --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-gray --enable-libopenjpeg --enable-libopus --enable-libass --enable-gnutls --enable-libvidstab --cc=gcc-4.9 libavutil 54. 19.100 / 54. 19.100 libavcodec 56. 25.101 / 56. 25.101 libavformat 56. 23.103 / 56. 23.103 libavdevice 56. 4.100 / 56. 4.100 libavfilter 5. 11.100 / 5. 11.100 libswscale 3. 1.101 / 3. 1.101 libswresample 1. 1.100 / 1. 1.100 libpostproc 53. 3.100 / 53. 3.100 [video4linux2,v4l2 @ 0xa607a20] The driver changed the time per frame from 1/5 to 2/15 [video4linux2,v4l2 @ 0xa607a20] Unknown timestamps Input #0, video4linux2,v4l2, from '/dev/video0': Duration: N/A, start: 3768.386227, bitrate: 27648 kb/s Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x360, 27648 kb/s, 7.50 fps, 7.50 tbr, 1000k tbn, 1000k tbc Guessed Channel Layout for Input Stream #1.0 : mono Input #1, alsa, from 'hw:1,0': Duration: N/A, start: 1424715579.013785, bitrate: 768 kb/s Stream #1:0: Audio: pcm_s16le, 48000 Hz, 1 channels, s16, 768 kb/s Output #0, avi, to 'output.avi': Metadata: ISFT : Lavf56.23.103 Stream #0:0: Video: mpeg4 (xvid / 0x64697678), yuv420p, 640x360, q=2-31, 200 kb/s, 7.50 fps, 7.50 tbn, 7.50 tbc Metadata: encoder : Lavc56.25.101 mpeg4 Stream #0:1: Audio: mp3 (libmp3lame) (U[0][0][0] / 0x0055), 48000 Hz, mono, s16p, 96 kb/s Metadata: encoder : Lavc56.25.101 libmp3lame Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Stream #1:0 -> #0:1 (pcm_s16le (native) -> mp3 (libmp3lame)) Press [q] to stop, [?] for help [video4linux2,v4l2 @ 0xa607a20] Unknown timestamps Last message repeated 12 times frame= 4 fps=0.0 q=3.0 size= 31kB time=00:00:00.53 bitrate= 474.1kbits/s[video4linux2,v4l2 @ 0xa607a20] Unknown timestamps Last message repeated 3 times frame= 8 fps=7.9 q=3.0 size= 60kB time=00:00:01.06 bitrate= 457.4kbits/s[video4linux2,v4l2 @ 0xa607a20] Unknown timestamps Last message repeated 2 times frame= 11 fps=7.3 q=3.0 size= 88kB time=00:00:01.60 bitrate= 448.8kbits/s[video4linux2,v4l2 @ 0xa607a20] Unknown timestamps Last message repeated 3 times frame= 15 fps=7.4 q=3.0 size= 119kB time=00:00:02.13 bitrate= 456.9kbits/s[video4linux2,v4l2 @ 0xa607a20] Unknown timestamps Last message repeated 2 times frame= 18 fps=7.1 q=3.0 size= 145kB time=00:00:02.53 bitrate= 467.4kbits/s[video4linux2,v4l2 @ 0xa607a20] Unknown timestamps Last message repeated 1 times frame= 20 fps=6.6 q=3.0 size= 159kB time=00:00:03.06 bitrate= 424.5kbits/s[video4linux2,v4l2 @ 0xa607a20] Unknown timestamps Last message repeated 4 times frame= 23 fps=6.5 q=3.0 size= 178kB time=00:00:03.60 bitrate= 405.4kbits/s[video4linux2,v4l2 @ 0xa607a20] Unknown timestamps Last message repeated 6 times frame= 27 fps=6.7 q=3.0 size= 202kB time=00:00:05.06 bitrate= 326.4kbits/sframe= 27 fps=6.1 q=3.0 Lsize= 218kB time=00:00:05.06 bitrate= 352.4kbits/s dup=0 drop=6 video:156kB audio:47kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 7.365676%
-------------------------------- second test: $ ./ffmpeg -y -f v4l2 -video_size 640x360 -framerate 5 \ > -ts mono2abs -i /dev/video0 \ > -f alsa -ac 1 -i hw:1,0 \ > -vcodec mpeg4 -vtag xvid -q 3 \ > -acodec libmp3lame -ab 96k \ > output.avi ffmpeg version N-43517-gac424b2- http://johnvansickle.com/ffmpeg/ Copyright (c) 2000-2015 the FFmpeg developers built with gcc 4.9.2 (Debian 4.9.2-10) configuration: --enable-gpl --enable-version3 --disable-shared --disable-debug --enable-runtime-cpudetect --enable-libmp3lame --enable-libx264 --enable-libx265 --enable-libwebp --enable-libspeex --enable-libvorbis --enable-libvpx --enable-libfreetype --enable-fontconfig --enable-libxvid --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-gray --enable-libopenjpeg --enable-libopus --enable-libass --enable-gnutls --enable-libvidstab --cc=gcc-4.9 libavutil 54. 19.100 / 54. 19.100 libavcodec 56. 25.101 / 56. 25.101 libavformat 56. 23.103 / 56. 23.103 libavdevice 56. 4.100 / 56. 4.100 libavfilter 5. 11.100 / 5. 11.100 libswscale 3. 1.101 / 3. 1.101 libswresample 1. 1.100 / 1. 1.100 libpostproc 53. 3.100 / 53. 3.100 [video4linux2,v4l2 @ 0xbc28a20] The driver changed the time per frame from 1/5 to 2/15 [video4linux2,v4l2 @ 0xbc28a20] Detected monotonic timestamps, converting Input #0, video4linux2,v4l2, from '/dev/video0': Duration: N/A, start: 1424715824.973374, bitrate: 27648 kb/s Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x360, 27648 kb/s, 7.50 fps, 7.50 tbr, 1000k tbn, 1000k tbc Guessed Channel Layout for Input Stream #1.0 : mono Input #1, alsa, from 'hw:1,0': Duration: N/A, start: 1424715814.786186, bitrate: 768 kb/s Stream #1:0: Audio: pcm_s16le, 48000 Hz, 1 channels, s16, 768 kb/s Output #0, avi, to 'output.avi': Metadata: ISFT : Lavf56.23.103 Stream #0:0: Video: mpeg4 (xvid / 0x64697678), yuv420p, 640x360, q=2-31, 200 kb/s, 7.50 fps, 7.50 tbn, 7.50 tbc Metadata: encoder : Lavc56.25.101 mpeg4 Stream #0:1: Audio: mp3 (libmp3lame) (U[0][0][0] / 0x0055), 48000 Hz, mono, s16p, 96 kb/s Metadata: encoder : Lavc56.25.101 libmp3lame Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Stream #1:0 -> #0:1 (pcm_s16le (native) -> mp3 (libmp3lame)) Press [q] to stop, [?] for help Past duration 0.960197 too large 238kB time=00:00:04.13 bitrate= 471.0kbits/s dup=0 drop=4 frame= 55 fps=5.4 q=3.0 Lsize= 527kB time=00:00:10.26 bitrate= 420.2kbits/s dup=0 drop=10 video:401kB audio:105kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 4.251526% _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
