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vp8 undershoot

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Mar 12th, 2013
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  1. first pass:
  2. -----------------------------------------------------------------------------
  3.  
  4. ffmpeg -threads 1 -nostats -y -i "20130305_disconnect_trailer_3008.mp4" -vf crop=1280:688:0:16,scale=1280:688 -codec:v libvpx -quality good -cpu-used 0 -threads 3 -crf 10 -g 120 -rc_lookahead 16 -profile:v 0 -qmin 4 -qmax 56 -arnr_max_frames 7 -arnr_strength 5 -arnr_type 3 -b:v 3000k -maxrate 9000k -bufsize 9000k -pass 1 -passlogfile "20130305_disconnect_trailer_3008.mp4.pass1.webm.log" -an -metadata title="Encoded by me" "20130305_disconnect_trailer_3008.mp4.webm"
  5.  
  6.  
  7. ffmpeg version N-50610-g586ae70 Copyright (c) 2000-2013 the FFmpeg developers
  8. built on Mar 9 2013 19:56:18 with gcc 4.7.2 (GCC)
  9. configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
  10. libavutil 52. 19.100 / 52. 19.100
  11. libavcodec 54. 92.100 / 54. 92.100
  12. libavformat 54. 63.104 / 54. 63.104
  13. libavdevice 54. 3.103 / 54. 3.103
  14. libavfilter 3. 42.103 / 3. 42.103
  15. libswscale 2. 2.100 / 2. 2.100
  16. libswresample 0. 17.102 / 0. 17.102
  17. libpostproc 52. 2.100 / 52. 2.100
  18. Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '20130305_disconnect_trailer_3008.mp4':
  19. Metadata:
  20. major_brand : mp42
  21. minor_version : 0
  22. compatible_brands: isom
  23. creation_time : 2013-03-05 16:06:03
  24. Duration: 00:02:30.02, start: 0.000000, bitrate: 2999 kb/s
  25. Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 2934 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc
  26. Metadata:
  27. creation_time : 2013-03-05 16:06:03
  28. handler_name : MP4 Video Media Handler
  29. Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 61 kb/s
  30. Metadata:
  31. creation_time : 2013-03-05 16:06:03
  32. handler_name : MP4 Sound Media Handler
  33. [libvpx @ 027b1c40] v1.2.0
  34. Output #0, webm, to '20130305_disconnect_trailer_3008.mp4.webm':
  35. Metadata:
  36. major_brand : mp42
  37. minor_version : 0
  38. compatible_brands: isom
  39. title : Encoded by me
  40. encoder : Lavf54.63.104
  41. Stream #0:0(eng): Video: vp8, yuv420p, 1280x688 [SAR 1:1 DAR 80:43], q=4-56, pass 1, 3000 kb/s, 1k tbn, 24 tbc
  42. Metadata:
  43. creation_time : 2013-03-05 16:06:03
  44. handler_name : MP4 Video Media Handler
  45. Stream mapping:
  46. Stream #0:0 -> #0:0 (h264 -> libvpx)
  47. Press [q] to stop, [?] for help
  48. frame= 3600 fps= 20 q=0.0 Lsize= 0kB time=00:00:00.00 bitrate=N/A
  49. video:0kB audio:0kB subtitle:0 global headers:0kB muxing overhead inf%
  50. Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)
  51.  
  52.  
  53. second pass:
  54. -----------------------------------------------------------------------------
  55.  
  56. ffmpeg -threads 1 -nostats -y -i "20130305_disconnect_trailer_3008.mp4" -vf crop=1280:688:0:16,scale=1280:688 -codec:v libvpx -quality good -cpu-used 0 -threads 3 -crf 10 -g 120 -rc_lookahead 16 -profile:v 0 -qmin 4 -qmax 56 -arnr_max_frames 7 -arnr_strength 5 -arnr_type 3 -b:v 3000k -maxrate 9000k -bufsize 9000k -pass 2 -passlogfile "20130305_disconnect_trailer_3008.mp4.pass1.webm.log" -codec:a libvorbis -ar 44100 -ab 192K -ac 2 -metadata title="Encoded by me" "20130305_disconnect_trailer_3008.mp4.webm"
  57.  
  58. ffmpeg version N-50610-g586ae70 Copyright (c) 2000-2013 the FFmpeg developers
  59. built on Mar 9 2013 19:56:18 with gcc 4.7.2 (GCC)
  60. configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
  61. libavutil 52. 19.100 / 52. 19.100
  62. libavcodec 54. 92.100 / 54. 92.100
  63. libavformat 54. 63.104 / 54. 63.104
  64. libavdevice 54. 3.103 / 54. 3.103
  65. libavfilter 3. 42.103 / 3. 42.103
  66. libswscale 2. 2.100 / 2. 2.100
  67. libswresample 0. 17.102 / 0. 17.102
  68. libpostproc 52. 2.100 / 52. 2.100
  69. Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '20130305_disconnect_trailer_3008.mp4':
  70. Metadata:
  71. major_brand : mp42
  72. minor_version : 0
  73. compatible_brands: isom
  74. creation_time : 2013-03-05 16:06:03
  75. Duration: 00:02:30.02, start: 0.000000, bitrate: 2999 kb/s
  76. Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 2934 kb/s, 24 fps, 24 tbr, 24k tbn, 48 tbc
  77. Metadata:
  78. creation_time : 2013-03-05 16:06:03
  79. handler_name : MP4 Video Media Handler
  80. Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 61 kb/s
  81. Metadata:
  82. creation_time : 2013-03-05 16:06:03
  83. handler_name : MP4 Sound Media Handler
  84. [libvpx @ 02ab0420] v1.2.0
  85. Output #0, webm, to '20130305_disconnect_trailer_3008.mp4.webm':
  86. Metadata:
  87. major_brand : mp42
  88. minor_version : 0
  89. compatible_brands: isom
  90. title : Encoded by me
  91. encoder : Lavf54.63.104
  92. Stream #0:0(eng): Video: vp8, yuv420p, 1280x688 [SAR 1:1 DAR 80:43], q=4-56, pass 2, 3000 kb/s, 1k tbn, 24 tbc
  93. Metadata:
  94. creation_time : 2013-03-05 16:06:03
  95. handler_name : MP4 Video Media Handler
  96. Stream #0:1(eng): Audio: vorbis, 44100 Hz, stereo, fltp, 192 kb/s
  97. Metadata:
  98. creation_time : 2013-03-05 16:06:03
  99. handler_name : MP4 Sound Media Handler
  100. Stream mapping:
  101. Stream #0:0 -> #0:0 (h264 -> libvpx)
  102. Stream #0:1 -> #0:1 (aac -> libvorbis)
  103. Press [q] to stop, [?] for help
  104. frame= 3600 fps=5.5 q=0.0 Lsize= 38897kB time=00:02:30.04 bitrate=2123.7kbits/s
  105. video:35644kB audio:3166kB subtitle:0 global headers:4kB muxing overhead 0.215697%
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