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- $ ffmpeg -f video4linux2 -i /dev/video1 -f alsa -ac 2 -i default -c:a copy -vcodec ffv1 -level 3 -threads 2 -coder 1 -context 1 -g 1 -slices 24 -f null -
- ffmpeg version N-79139-gde1a0d4 Copyright (c) 2000-2016 the FFmpeg developers
- built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.1)
- configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --mandir=/usr/share/man --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libfreetype --enable-gnutls --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvidstab
- libavutil 55. 19.100 / 55. 19.100
- libavcodec 57. 30.100 / 57. 30.100
- libavformat 57. 29.101 / 57. 29.101
- libavdevice 57. 0.101 / 57. 0.101
- libavfilter 6. 40.102 / 6. 40.102
- libavresample 3. 0. 0 / 3. 0. 0
- libswscale 4. 0.100 / 4. 0.100
- libswresample 2. 0.101 / 2. 0.101
- libpostproc 54. 0.100 / 54. 0.100
- Input #0, video4linux2,v4l2, from '/dev/video1':
- Duration: N/A, start: 54027.349221, bitrate: 165888 kb/s
- Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 720x576, 165888 kb/s, 25 fps, 25 tbr, 1000k tbn, 1000k tbc
- Guessed Channel Layout for Input Stream #1.0 : stereo
- Input #1, alsa, from 'default':
- Duration: N/A, start: 1459430113.820688, bitrate: 1536 kb/s
- Stream #1:0: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
- Output #0, null, to 'pipe:':
- Metadata:
- encoder : Lavf57.29.101
- Stream #0:0: Video: ffv1, yuv422p, 720x576, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc
- Metadata:
- encoder : Lavc57.30.100 ffv1
- Stream #0:1: Audio: pcm_s16le, 48000 Hz, stereo, 1536 kb/s
- Stream mapping:
- Stream #0:0 -> #0:0 (rawvideo (native) -> ffv1 (native))
- Stream #1:0 -> #0:1 (copy)
- Press [q] to stop, [?] for help
- [alsa @ 0xa2b6980] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
- [video4linux2,v4l2 @ 0xa2b4ee0] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
- [null @ 0xa2c51a0] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 37 >= 37
- [null @ 0xa2c51a0] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 107 >= 107
- [null @ 0xa2c51a0] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 459 >= 459
- [null @ 0xa2c51a0] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 671 >= 671
- frame= 633 fps= 16 q=-0.0 Lsize=N/A time=00:00:37.92 bitrate=N/A speed=0.944x
- video:69396kB audio:7093kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
- $ ffmpeg -f video4linux2 -i /dev/video1 -f alsa -ac 2 -i default -c:a copy -vcodec ffv1 -level 3 -threads 2 -coder 1 -context 1 -g 1 -slices 24 output.mkv
- ffmpeg version N-79139-gde1a0d4 Copyright (c) 2000-2016 the FFmpeg developers
- built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.1)
- configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --mandir=/usr/share/man --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libfreetype --enable-gnutls --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvidstab
- libavutil 55. 19.100 / 55. 19.100
- libavcodec 57. 30.100 / 57. 30.100
- libavformat 57. 29.101 / 57. 29.101
- libavdevice 57. 0.101 / 57. 0.101
- libavfilter 6. 40.102 / 6. 40.102
- libavresample 3. 0. 0 / 3. 0. 0
- libswscale 4. 0.100 / 4. 0.100
- libswresample 2. 0.101 / 2. 0.101
- libpostproc 54. 0.100 / 54. 0.100
- Input #0, video4linux2,v4l2, from '/dev/video1':
- Duration: N/A, start: 54075.865198, bitrate: 165888 kb/s
- Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 720x576, 165888 kb/s, 25 fps, 25 tbr, 1000k tbn, 1000k tbc
- Guessed Channel Layout for Input Stream #1.0 : stereo
- Input #1, alsa, from 'default':
- Duration: N/A, start: 1459430162.336857, bitrate: 1536 kb/s
- Stream #1:0: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
- File 'output.mkv' already exists. Overwrite ? [y/N] y
- Output #0, matroska, to 'output.mkv':
- Metadata:
- encoder : Lavf57.29.101
- Stream #0:0: Video: ffv1 (FFV1 / 0x31564646), yuv422p, 720x576, q=2-31, 200 kb/s, 25 fps, 1k tbn, 25 tbc
- Metadata:
- encoder : Lavc57.30.100 ffv1
- Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, stereo, 1536 kb/s
- Stream mapping:
- Stream #0:0 -> #0:0 (rawvideo (native) -> ffv1 (native))
- Stream #1:0 -> #0:1 (copy)
- Press [q] to stop, [?] for help
- [alsa @ 0x9a8b980] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
- [video4linux2,v4l2 @ 0x9a89ee0] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
- Past duration 0.796913 too large 12584kB time=00:00:04.52 bitrate=22807.8kbits/s speed=1.46x
- Past duration 0.797096 too large
- Past duration 0.796867 too large
- Past duration 0.797966 too large
- Past duration 0.797935 too large
- Past duration 0.798393 too large
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- Past duration 0.799263 too large
- Past duration 0.799614 too large
- Past duration 0.799889 too large
- Past duration 0.799690 too large 14112kB time=00:00:05.04 bitrate=22937.2kbits/s speed= 1.4x
- Past duration 0.799797 too large
- Past duration 0.996864 too large
- Past duration 0.997368 too large
- Past duration 0.997261 too large
- Past duration 0.997093 too large
- Past duration 0.997993 too large
- Past duration 0.998222 too large
- Past duration 0.998497 too large
- Past duration 0.998711 too large
- Past duration 0.999046 too large
- Past duration 0.999123 too large
- Past duration 0.999672 too large 15637kB time=00:00:05.52 bitrate=23206.2kbits/s speed=1.34x
- Past duration 0.999763 too large
- Past duration 0.999840 too large
- Past duration 0.999886 too large
- Past duration 0.999947 too large
- Past duration 0.796867 too large 20103kB time=00:00:07.04 bitrate=23392.2kbits/s speed=1.25x
- Past duration 0.797661 too large
- Past duration 0.797447 too large
- Past duration 0.797646 too large
- Past duration 0.798088 too large 21520kB time=00:00:07.56 bitrate=23318.7kbits/s dup=0 drop=1 speed=1.23x
- Past duration 0.798592 too large
- Past duration 0.798698 too large
- Past duration 0.798973 too large
- Past duration 0.798897 too large
- Past duration 0.799522 too large
- Past duration 0.799644 too large
- Past duration 0.799736 too large
- Past duration 0.799812 too large
- Past duration 0.799736 too large
- Past duration 0.997261 too large
- Past duration 0.997322 too large
- Past duration 0.997597 too large
- Past duration 0.997368 too large 23041kB time=00:00:08.08 bitrate=23360.8kbits/s dup=0 drop=1 speed=1.21x
- Past duration 0.998589 too large
- Past duration 0.996864 too large
- Past duration 0.998344 too large
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- Past duration 0.999062 too large
- Past duration 0.999443 too large
- Past duration 0.999687 too large
- Past duration 0.999641 too large
- Past duration 0.999886 too large
- Past duration 0.999870 too large
- Past duration 0.798210 too large 28920kB time=00:00:10.08 bitrate=23503.4kbits/s dup=0 drop=1 speed=1.16x
- Past duration 0.794716 too large
- Past duration 0.797737 too large
- Past duration 0.798515 too large
- Past duration 0.798073 too large
- Past duration 0.798470 too large
- Past duration 0.798714 too large
- Past duration 0.798546 too large
- Past duration 0.799263 too large
- Past duration 0.799599 too large 30443kB time=00:00:10.60 bitrate=23527.6kbits/s dup=0 drop=2 speed=1.16x
- Past duration 0.799690 too large
- Past duration 0.799721 too large
- Past duration 0.799690 too large
- Past duration 0.996849 too large
- Past duration 0.997368 too large
- Past duration 0.997414 too large
- Past duration 0.997719 too large
- Past duration 0.997963 too large
- Past duration 0.998497 too large
- Past duration 0.997215 too large
- Past duration 0.998711 too large
- Past duration 0.998985 too large
- Past duration 0.999260 too large 31971kB time=00:00:11.12 bitrate=23552.6kbits/s dup=0 drop=2 speed=1.15x
- Past duration 0.999565 too large
- Past duration 0.999870 too large
- Past duration 0.999840 too large
- Past duration 0.999763 too large
- frame= 289 fps= 28 q=-0.0 Lsize= 33976kB time=00:00:11.76 bitrate=23667.9kbits/s dup=0 drop=2 speed=1.13x
- video:31709kB audio:2193kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.218874%
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