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  1. $ 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 -
  2. ffmpeg version N-79139-gde1a0d4 Copyright (c) 2000-2016 the FFmpeg developers
  3. built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.1)
  4. 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
  5. libavutil 55. 19.100 / 55. 19.100
  6. libavcodec 57. 30.100 / 57. 30.100
  7. libavformat 57. 29.101 / 57. 29.101
  8. libavdevice 57. 0.101 / 57. 0.101
  9. libavfilter 6. 40.102 / 6. 40.102
  10. libavresample 3. 0. 0 / 3. 0. 0
  11. libswscale 4. 0.100 / 4. 0.100
  12. libswresample 2. 0.101 / 2. 0.101
  13. libpostproc 54. 0.100 / 54. 0.100
  14. Input #0, video4linux2,v4l2, from '/dev/video1':
  15. Duration: N/A, start: 54027.349221, bitrate: 165888 kb/s
  16. Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 720x576, 165888 kb/s, 25 fps, 25 tbr, 1000k tbn, 1000k tbc
  17. Guessed Channel Layout for Input Stream #1.0 : stereo
  18. Input #1, alsa, from 'default':
  19. Duration: N/A, start: 1459430113.820688, bitrate: 1536 kb/s
  20. Stream #1:0: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
  21. Output #0, null, to 'pipe:':
  22. Metadata:
  23. encoder : Lavf57.29.101
  24. Stream #0:0: Video: ffv1, yuv422p, 720x576, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc
  25. Metadata:
  26. encoder : Lavc57.30.100 ffv1
  27. Stream #0:1: Audio: pcm_s16le, 48000 Hz, stereo, 1536 kb/s
  28. Stream mapping:
  29. Stream #0:0 -> #0:0 (rawvideo (native) -> ffv1 (native))
  30. Stream #1:0 -> #0:1 (copy)
  31. Press [q] to stop, [?] for help
  32. [alsa @ 0xa2b6980] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
  33. [video4linux2,v4l2 @ 0xa2b4ee0] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
  34. [null @ 0xa2c51a0] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 37 >= 37
  35. [null @ 0xa2c51a0] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 107 >= 107
  36. [null @ 0xa2c51a0] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 459 >= 459
  37. [null @ 0xa2c51a0] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 671 >= 671
  38. frame= 633 fps= 16 q=-0.0 Lsize=N/A time=00:00:37.92 bitrate=N/A speed=0.944x
  39. video:69396kB audio:7093kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
  40.  
  41.  
  42.  
  43. $ 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
  44. ffmpeg version N-79139-gde1a0d4 Copyright (c) 2000-2016 the FFmpeg developers
  45. built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.1)
  46. 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
  47. libavutil 55. 19.100 / 55. 19.100
  48. libavcodec 57. 30.100 / 57. 30.100
  49. libavformat 57. 29.101 / 57. 29.101
  50. libavdevice 57. 0.101 / 57. 0.101
  51. libavfilter 6. 40.102 / 6. 40.102
  52. libavresample 3. 0. 0 / 3. 0. 0
  53. libswscale 4. 0.100 / 4. 0.100
  54. libswresample 2. 0.101 / 2. 0.101
  55. libpostproc 54. 0.100 / 54. 0.100
  56. Input #0, video4linux2,v4l2, from '/dev/video1':
  57. Duration: N/A, start: 54075.865198, bitrate: 165888 kb/s
  58. Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 720x576, 165888 kb/s, 25 fps, 25 tbr, 1000k tbn, 1000k tbc
  59. Guessed Channel Layout for Input Stream #1.0 : stereo
  60. Input #1, alsa, from 'default':
  61. Duration: N/A, start: 1459430162.336857, bitrate: 1536 kb/s
  62. Stream #1:0: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
  63. File 'output.mkv' already exists. Overwrite ? [y/N] y
  64. Output #0, matroska, to 'output.mkv':
  65. Metadata:
  66. encoder : Lavf57.29.101
  67. Stream #0:0: Video: ffv1 (FFV1 / 0x31564646), yuv422p, 720x576, q=2-31, 200 kb/s, 25 fps, 1k tbn, 25 tbc
  68. Metadata:
  69. encoder : Lavc57.30.100 ffv1
  70. Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, stereo, 1536 kb/s
  71. Stream mapping:
  72. Stream #0:0 -> #0:0 (rawvideo (native) -> ffv1 (native))
  73. Stream #1:0 -> #0:1 (copy)
  74. Press [q] to stop, [?] for help
  75. [alsa @ 0x9a8b980] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
  76. [video4linux2,v4l2 @ 0x9a89ee0] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
  77. Past duration 0.796913 too large 12584kB time=00:00:04.52 bitrate=22807.8kbits/s speed=1.46x
  78. Past duration 0.797096 too large
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  87. Past duration 0.799614 too large
  88. Past duration 0.799889 too large
  89. Past duration 0.799690 too large 14112kB time=00:00:05.04 bitrate=22937.2kbits/s speed= 1.4x
  90. Past duration 0.799797 too large
  91. Past duration 0.996864 too large
  92. Past duration 0.997368 too large
  93. Past duration 0.997261 too large
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  101. Past duration 0.999672 too large 15637kB time=00:00:05.52 bitrate=23206.2kbits/s speed=1.34x
  102. Past duration 0.999763 too large
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  104. Past duration 0.999886 too large
  105. Past duration 0.999947 too large
  106. Past duration 0.796867 too large 20103kB time=00:00:07.04 bitrate=23392.2kbits/s speed=1.25x
  107. Past duration 0.797661 too large
  108. Past duration 0.797447 too large
  109. Past duration 0.797646 too large
  110. Past duration 0.798088 too large 21520kB time=00:00:07.56 bitrate=23318.7kbits/s dup=0 drop=1 speed=1.23x
  111. Past duration 0.798592 too large
  112. Past duration 0.798698 too large
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  115. Past duration 0.799522 too large
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  123. Past duration 0.997368 too large 23041kB time=00:00:08.08 bitrate=23360.8kbits/s dup=0 drop=1 speed=1.21x
  124. Past duration 0.998589 too large
  125. Past duration 0.996864 too large
  126. Past duration 0.998344 too large
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  130. Past duration 0.999687 too large
  131. Past duration 0.999641 too large
  132. Past duration 0.999886 too large
  133. Past duration 0.999870 too large
  134. Past duration 0.798210 too large 28920kB time=00:00:10.08 bitrate=23503.4kbits/s dup=0 drop=1 speed=1.16x
  135. Past duration 0.794716 too large
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  137. Past duration 0.798515 too large
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  139. Past duration 0.798470 too large
  140. Past duration 0.798714 too large
  141. Past duration 0.798546 too large
  142. Past duration 0.799263 too large
  143. Past duration 0.799599 too large 30443kB time=00:00:10.60 bitrate=23527.6kbits/s dup=0 drop=2 speed=1.16x
  144. Past duration 0.799690 too large
  145. Past duration 0.799721 too large
  146. Past duration 0.799690 too large
  147. Past duration 0.996849 too large
  148. Past duration 0.997368 too large
  149. Past duration 0.997414 too large
  150. Past duration 0.997719 too large
  151. Past duration 0.997963 too large
  152. Past duration 0.998497 too large
  153. Past duration 0.997215 too large
  154. Past duration 0.998711 too large
  155. Past duration 0.998985 too large
  156. Past duration 0.999260 too large 31971kB time=00:00:11.12 bitrate=23552.6kbits/s dup=0 drop=2 speed=1.15x
  157. Past duration 0.999565 too large
  158. Past duration 0.999870 too large
  159. Past duration 0.999840 too large
  160. Past duration 0.999763 too large
  161. 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
  162. video:31709kB audio:2193kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.218874%
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