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  1. $ ffmpeg -thread_queue_size 512 -y -f alsa -i default -f video4linux2 -s vga -i /dev/video0 -c:v libx264 -t 3 /tmp/tmp19y9jqar.mp4
  2. ffmpeg version 3.4.2-1 Copyright (c) 2000-2018 the FFmpeg developers
  3. built with gcc 7 (Debian 7.3.0-5)
  4. configuration: --prefix=/usr --extra-version=1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
  5. libavutil 55. 78.100 / 55. 78.100
  6. libavcodec 57.107.100 / 57.107.100
  7. libavformat 57. 83.100 / 57. 83.100
  8. libavdevice 57. 10.100 / 57. 10.100
  9. libavfilter 6.107.100 / 6.107.100
  10. libavresample 3. 7. 0 / 3. 7. 0
  11. libswscale 4. 8.100 / 4. 8.100
  12. libswresample 2. 9.100 / 2. 9.100
  13. libpostproc 54. 7.100 / 54. 7.100
  14. Guessed Channel Layout for Input Stream #0.0 : stereo
  15. Input #0, alsa, from 'default':
  16. Duration: N/A, start: 1554157317.564781, bitrate: 1536 kb/s
  17. Stream #0:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
  18. Input #1, video4linux2,v4l2, from '/dev/video0':
  19. Duration: N/A, start: 164104.620598, bitrate: 147456 kb/s
  20. Stream #1:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x480, 147456 kb/s, 30 fps, 30 tbr, 1000k tbn, 1000k tbc
  21. Stream mapping:
  22. Stream #1:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
  23. Stream #0:0 -> #0:1 (pcm_s16le (native) -> aac (native))
  24. Press [q] to stop, [?] for help
  25. [libx264 @ 0x560b58da0c00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
  26. [libx264 @ 0x560b58da0c00] profile High 4:2:2, level 3.0, 4:2:2 8-bit
  27. [libx264 @ 0x560b58da0c00] 264 - core 148 r2795 aaa9aa8 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
  28. Output #0, mp4, to '/tmp/tmp19y9jqar.mp4':
  29. Metadata:
  30. encoder : Lavf57.83.100
  31. Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv422p(progressive), 640x480, q=-1--1, 30 fps, 15360 tbn, 30 tbc
  32. Metadata:
  33. encoder : Lavc57.107.100 libx264
  34. Side data:
  35. cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
  36. Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s
  37. Metadata:
  38. encoder : Lavc57.107.100 aac
  39. frame= 17 fps=0.0 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A dup=1 droframe= 32 fps= 31 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A dup=1 droframe= 47 fps= 31 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A dup=1 dro[alsa @ 0x560b58d7ff60] Thread message queue blocking; consider raising the thread_queue_size option (current value: 512)
  40. frame= 62 fps= 31 q=29.0 size= 0kB time=00:00:00.34 bitrate= 1.1kbits/frame= 78 fps= 31 q=29.0 size= 0kB time=00:00:00.83 bitrate= 0.5kbits/frame= 90 fps= 26 q=-1.0 Lsize= 190kB time=00:00:03.00 bitrate= 517.9kbits/s dup=1 drop=0 speed=0.876x
  41. video:137kB audio:48kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.026903%
  42. [libx264 @ 0x560b58da0c00] frame I:1 Avg QP:23.70 size: 8883
  43. [libx264 @ 0x560b58da0c00] frame P:23 Avg QP:23.34 size: 2799
  44. [libx264 @ 0x560b58da0c00] frame B:66 Avg QP:23.97 size: 1003
  45. [libx264 @ 0x560b58da0c00] consecutive B-frames: 2.2% 0.0% 0.0% 97.8%
  46. [libx264 @ 0x560b58da0c00] mb I I16..4: 29.2% 64.0% 6.8%
  47. [libx264 @ 0x560b58da0c00] mb P I16..4: 2.4% 2.1% 0.0% P16..4: 50.1% 4.4% 5.7% 0.0% 0.0% skip:35.2%
  48. [libx264 @ 0x560b58da0c00] mb B I16..4: 0.2% 0.2% 0.0% B16..8: 39.4% 0.1% 0.0% direct: 2.6% skip:57.5% L0:44.4% L1:54.9% BI: 0.6%
  49. [libx264 @ 0x560b58da0c00] 8x8 transform intra:54.5% inter:92.0%
  50. [libx264 @ 0x560b58da0c00] coded y,uvDC,uvAC intra: 19.2% 65.2% 6.1% inter: 6.2% 32.8% 0.1%
  51. [libx264 @ 0x560b58da0c00] i16 v,h,dc,p: 42% 16% 10% 32%
  52. [libx264 @ 0x560b58da0c00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 18% 13% 45% 6% 4% 5% 4% 4% 2%
  53. [libx264 @ 0x560b58da0c00] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 26% 13% 9% 10% 9% 12% 5% 11% 5%
  54. [libx264 @ 0x560b58da0c00] i8c dc,h,v,p: 55% 23% 20% 3%
  55. [libx264 @ 0x560b58da0c00] Weighted P-Frames: Y:4.3% UV:4.3%
  56. [libx264 @ 0x560b58da0c00] ref P L0: 43.9% 3.9% 35.1% 17.1%
  57. [libx264 @ 0x560b58da0c00] ref B L0: 74.6% 20.0% 5.4%
  58. [libx264 @ 0x560b58da0c00] ref B L1: 88.6% 11.4%
  59. [libx264 @ 0x560b58da0c00] kb/s:371.90
  60. [aac @ 0x560b58da20a0] Qavg: 322.697
  61. ^C^C
  62. artemfn@artemfn:~$ ^C
  63. artemfn@artemfn:~$ ffmpeg -thread_queue_size 512 -y -f alsa -i default -f video4linux2 -s vga -i /dev/video0 -c:v libx264 -t 3 /tmp/tmp19y9jqar.mp4
  64. ffmpeg version 3.4.2-1 Copyright (c) 2000-2018 the FFmpeg developers
  65. built with gcc 7 (Debian 7.3.0-5)
  66. configuration: --prefix=/usr --extra-version=1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
  67. libavutil 55. 78.100 / 55. 78.100
  68. libavcodec 57.107.100 / 57.107.100
  69. libavformat 57. 83.100 / 57. 83.100
  70. libavdevice 57. 10.100 / 57. 10.100
  71. libavfilter 6.107.100 / 6.107.100
  72. libavresample 3. 7. 0 / 3. 7. 0
  73. libswscale 4. 8.100 / 4. 8.100
  74. libswresample 2. 9.100 / 2. 9.100
  75. libpostproc 54. 7.100 / 54. 7.100
  76. Guessed Channel Layout for Input Stream #0.0 : stereo
  77. Input #0, alsa, from 'default':
  78. Duration: N/A, start: 1554157338.950476, bitrate: 1536 kb/s
  79. Stream #0:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
  80. Input #1, video4linux2,v4l2, from '/dev/video0':
  81. Duration: N/A, start: 164126.007945, bitrate: 147456 kb/s
  82. Stream #1:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x480, 147456 kb/s, 30 fps, 30 tbr, 1000k tbn, 1000k tbc
  83. Stream mapping:
  84. Stream #1:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
  85. Stream #0:0 -> #0:1 (pcm_s16le (native) -> aac (native))
  86. Press [q] to stop, [?] for help
  87. [libx264 @ 0x558f99677840] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
  88. [libx264 @ 0x558f99677840] profile High 4:2:2, level 3.0, 4:2:2 8-bit
  89. [libx264 @ 0x558f99677840] 264 - core 148 r2795 aaa9aa8 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
  90. Output #0, mp4, to '/tmp/tmp19y9jqar.mp4':
  91. Metadata:
  92. encoder : Lavf57.83.100
  93. Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv422p(progressive), 640x480, q=-1--1, 30 fps, 15360 tbn, 30 tbc
  94. Metadata:
  95. encoder : Lavc57.107.100 libx264
  96. Side data:
  97. cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
  98. Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s
  99. Metadata:
  100. encoder : Lavc57.107.100 aac
  101. frame= 16 fps=0.0 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A dup=1 droframe= 32 fps= 32 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A dup=1 droframe= 47 fps= 31 q=0.0 size= 0kB time=00:00:00.00 bitrate=N/A dup=1 dro[alsa @ 0x558f99656f60] Thread message queue blocking; consider raising the thread_queue_size option (current value: 512)
  102. frame= 63 fps= 31 q=29.0 size= 0kB time=00:00:00.36 bitrate= 1.1kbits/frame= 78 fps= 31 q=29.0 size= 0kB time=00:00:00.87 bitrate= 0.4kbits/frame= 90 fps= 27 q=-1.0 Lsize= 199kB time=00:00:03.00 bitrate= 541.3kbits/s dup=1 drop=0 speed=0.888x
  103. video:146kB audio:47kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.871196%
  104. [libx264 @ 0x558f99677840] frame I:1 Avg QP:23.68 size: 8091
  105. [libx264 @ 0x558f99677840] frame P:23 Avg QP:23.33 size: 3000
  106. [libx264 @ 0x558f99677840] frame B:66 Avg QP:23.97 size: 1085
  107. [libx264 @ 0x558f99677840] consecutive B-frames: 2.2% 0.0% 0.0% 97.8%
  108. [libx264 @ 0x558f99677840] mb I I16..4: 30.2% 63.2% 6.7%
  109. [libx264 @ 0x558f99677840] mb P I16..4: 2.1% 2.5% 0.0% P16..4: 50.0% 5.0% 5.9% 0.0% 0.0% skip:34.5%
  110. [libx264 @ 0x558f99677840] mb B I16..4: 0.2% 0.1% 0.0% B16..8: 41.6% 0.3% 0.0% direct: 2.5% skip:55.4% L0:43.4% L1:55.9% BI: 0.8%
  111. [libx264 @ 0x558f99677840] 8x8 transform intra:57.2% inter:91.5%
  112. [libx264 @ 0x558f99677840] coded y,uvDC,uvAC intra: 20.6% 65.9% 6.1% inter: 6.7% 33.6% 0.1%
  113. [libx264 @ 0x558f99677840] i16 v,h,dc,p: 43% 17% 8% 32%
  114. [libx264 @ 0x558f99677840] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 13% 42% 5% 4% 5% 3% 4% 2%
  115. [libx264 @ 0x558f99677840] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 14% 18% 4% 11% 11% 6% 8% 5%
  116. [libx264 @ 0x558f99677840] i8c dc,h,v,p: 57% 21% 18% 4%
  117. [libx264 @ 0x558f99677840] Weighted P-Frames: Y:4.3% UV:4.3%
  118. [libx264 @ 0x558f99677840] ref P L0: 45.8% 4.0% 33.1% 17.1%
  119. [libx264 @ 0x558f99677840] ref B L0: 76.0% 18.4% 5.6%
  120. [libx264 @ 0x558f99677840] ref B L1: 89.2% 10.8%
  121. [libx264 @ 0x558f99677840] kb/s:396.59
  122. [aac @ 0x558f99678ce0] Qavg: 285.821
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