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  1. $ ./ffmpeg -y -i redcliff.webm -threads 8 -f webm -vcodec libvpx -deinterlace -g 120 -level 216 -profile 0 -qmax 42 -qmin 10 -rc_buf_aggressivity 0.95 -vb 2M -acodec libvorbis -aq 70 -ac 2 transcoded.webm
  2. ffmpeg version N-41027-ge02e58f Copyright (c) 2000-2012 the FFmpeg developers
  3. built on May 25 2012 13:09:41 with gcc 4.6.3
  4. configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libass --enable-libcelt --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libnut --enable-libopenjpeg --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libutvideo --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
  5. libavutil 51. 54.100 / 51. 54.100
  6. libavcodec 54. 23.100 / 54. 23.100
  7. libavformat 54. 6.100 / 54. 6.100
  8. libavdevice 54. 0.100 / 54. 0.100
  9. libavfilter 2. 77.100 / 2. 77.100
  10. libswscale 2. 1.100 / 2. 1.100
  11. libswresample 0. 15.100 / 0. 15.100
  12. libpostproc 52. 0.100 / 52. 0.100
  13. Input #0, matroska,webm, from 'redcliff.webm':
  14. Duration: 00:02:14.09, start: 0.000000, bitrate: 733 kb/s
  15. Stream #0:0(eng): Video: vp8, yuv420p, 450x256, SAR 1:1 DAR 225:128, 30 fps, 30 tbr, 1k tbn, 1k tbc (default)
  16. Metadata:
  17. title : VP8 video stream
  18. Stream #0:1(eng): Audio: vorbis, 22050 Hz, stereo, s16 (default)
  19. -deinterlace is deprecated, use -filter:v yadif instead
  20. Please use -profile:a or -profile:v, -profile is ambiguous
  21. [buffer @ 000000000032fce0] w:450 h:256 pixfmt:yuv420p tb:1/1000 sar:1/1 sws_param:flags=2
  22. [buffersink @ 000000000032d620] No opaque field provided
  23. [aformat @ 000000000032f3c0] auto-inserting filter 'auto-inserted resampler 0' between the filter 'src' and the filter 'aformat'
  24. [aresample @ 000000000032f7c0] chl:stereo fmt:s16 r:22050Hz -> chl:stereo fmt:flt r:22050Hz
  25. [libvpx @ 0000000003cff700] v1.0.0
  26. Output #0, webm, to 'transcoded.webm':
  27. Metadata:
  28. encoder : Lavf54.6.100
  29. Stream #0:0(eng): Video: vp8, yuv420p, 450x256 [SAR 1:1 DAR 225:128], q=10-42, 2000 kb/s, 1k tbn, 30 tbc (default)
  30. Metadata:
  31. title : VP8 video stream
  32. Stream #0:1(eng): Audio: vorbis, 22050 Hz, stereo, flt (default)
  33. Stream mapping:
  34. Stream #0:0 -> #0:0 (vp8 -> libvpx)
  35. Stream #0:1 -> #0:1 (vorbis -> libvorbis)
  36. Press [q] to stop, [?] for help
  37. [libvorbis @ 0000000003d006a0] Que input is backward in time
  38. Deinterlacing failed
  39. Last message repeated 253 times
  40. Deinterlacing failedq=0.0 size= 185kB time=00:00:07.66 bitrate= 197.7kbits/s
  41. Last message repeated 111 times
  42. Deinterlacing failedq=0.0 size= 748kB time=00:00:11.40 bitrate= 537.7kbits/s
  43. Last message repeated 76 times
  44. Deinterlacing failedq=0.0 size= 1350kB time=00:00:13.96 bitrate= 792.1kbits/s
  45. Last message repeated 165 times
  46. Deinterlacing failedq=0.0 size= 1634kB time=00:00:19.50 bitrate= 686.6kbits/s
  47. Last message repeated 135 times
  48. Deinterlacing failedq=0.0 size= 2082kB time=00:00:24.03 bitrate= 709.8kbits/s
  49. Last message repeated 75 times
  50. Deinterlacing failedq=0.0 size= 2848kB time=00:00:26.56 bitrate= 878.0kbits/s
  51. Last message repeated 78 times
  52. Deinterlacing failedq=0.0 size= 3456kB time=00:00:29.20 bitrate= 969.4kbits/s
  53. Last message repeated 109 times
  54. Deinterlacing failedq=0.0 size= 3964kB time=00:00:32.86 bitrate= 988.0kbits/s
  55. Last message repeated 114 times
  56. Deinterlacing failedq=0.0 size= 4503kB time=00:00:36.70 bitrate=1005.1kbits/s
  57. Last message repeated 94 times
  58. Deinterlacing failedq=0.0 size= 5142kB time=00:00:39.86 bitrate=1056.6kbits/s
  59. Last message repeated 78 times
  60. Deinterlacing failedq=0.0 size= 5798kB time=00:00:42.50 bitrate=1117.5kbits/s
  61. Last message repeated 88 times
  62. Deinterlacing failedq=0.0 size= 6390kB time=00:00:45.46 bitrate=1151.4kbits/s
  63. Last message repeated 106 times
  64. Deinterlacing failedq=0.0 size= 6998kB time=00:00:49.03 bitrate=1169.2kbits/s
  65. Last message repeated 90 times
  66. Deinterlacing failedq=0.0 size= 7541kB time=00:00:52.06 bitrate=1186.4kbits/s
  67. Last message repeated 99 times
  68. Deinterlacing failedq=0.0 size= 8018kB time=00:00:55.40 bitrate=1185.6kbits/s
  69. Last message repeated 109 times
  70. Deinterlacing failedq=0.0 size= 8444kB time=00:00:59.06 bitrate=1171.1kbits/s
  71. Last message repeated 131 times
  72. Deinterlacing failedq=0.0 size= 8845kB time=00:01:03.46 bitrate=1141.6kbits/s
  73. Last message repeated 112 times
  74. Deinterlacing failedq=0.0 size= 9380kB time=00:01:07.23 bitrate=1143.0kbits/s
  75. Last message repeated 119 times
  76. Deinterlacing failedq=0.0 size= 9856kB time=00:01:11.23 bitrate=1133.5kbits/s
  77. Last message repeated 88 times
  78. Deinterlacing failedq=0.0 size= 10368kB time=00:01:14.20 bitrate=1144.6kbits/s
  79. Last message repeated 99 times
  80. Deinterlacing failedq=0.0 size= 10917kB time=00:01:17.53 bitrate=1153.4kbits/s
  81. Last message repeated 101 times
  82. Deinterlacing failedq=0.0 size= 11726kB time=00:01:20.93 bitrate=1186.9kbits/s
  83. Last message repeated 87 times
  84. Deinterlacing failedq=0.0 size= 12315kB time=00:01:23.86 bitrate=1202.9kbits/s
  85. Last message repeated 79 times
  86. Deinterlacing failedq=0.0 size= 12841kB time=00:01:26.53 bitrate=1215.6kbits/s
  87. Last message repeated 140 times
  88. Deinterlacing failedq=0.0 size= 13284kB time=00:01:31.23 bitrate=1192.8kbits/s
  89. Last message repeated 82 times
  90. Deinterlacing failedq=0.0 size= 13829kB time=00:01:34.00 bitrate=1205.2kbits/s
  91. Last message repeated 101 times
  92. Deinterlacing failedq=0.0 size= 14379kB time=00:01:37.40 bitrate=1209.3kbits/s
  93. Last message repeated 94 times
  94. Deinterlacing failedq=0.0 size= 14884kB time=00:01:40.56 bitrate=1212.4kbits/s
  95. Last message repeated 93 times
  96. Deinterlacing failedq=0.0 size= 15283kB time=00:01:43.70 bitrate=1207.3kbits/s
  97. Last message repeated 89 times
  98. Deinterlacing failedq=0.0 size= 15806kB time=00:01:46.70 bitrate=1213.6kbits/s
  99. Last message repeated 122 times
  100. Deinterlacing failedq=0.0 size= 16367kB time=00:01:50.80 bitrate=1210.1kbits/s
  101. Last message repeated 102 times
  102. Deinterlacing failedq=0.0 size= 16809kB time=00:01:54.23 bitrate=1205.4kbits/s
  103. Last message repeated 109 times
  104. Deinterlacing failedq=0.0 size= 17377kB time=00:01:57.90 bitrate=1207.4kbits/s
  105. Last message repeated 177 times
  106. Deinterlacing failedq=0.0 size= 17808kB time=00:02:03.83 bitrate=1178.1kbits/s
  107. Last message repeated 231 times
  108. Deinterlacing failedq=0.0 size= 18084kB time=00:02:11.56 bitrate=1126.0kbits/s
  109. Last message repeated 20 times
  110. frame= 3992 fps=226 q=0.0 Lsize= 18101kB time=00:02:13.06 bitrate=1114.4kbits/s
  111. video:15754kB audio:2268kB global headers:3kB muxing overhead 0.422439%
  112.  
  113. $ ./ffmpeg.exe -i transcoded.webm
  114. ffmpeg version N-41027-ge02e58f Copyright (c) 2000-2012 the FFmpeg developers
  115. built on May 25 2012 13:09:41 with gcc 4.6.3
  116. configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libass --enable-libcelt --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libnut --enable-libopenjpeg --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libutvideo --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
  117. libavutil 51. 54.100 / 51. 54.100
  118. libavcodec 54. 23.100 / 54. 23.100
  119. libavformat 54. 6.100 / 54. 6.100
  120. libavdevice 54. 0.100 / 54. 0.100
  121. libavfilter 2. 77.100 / 2. 77.100
  122. libswscale 2. 1.100 / 2. 1.100
  123. libswresample 0. 15.100 / 0. 15.100
  124. libpostproc 52. 0.100 / 52. 0.100
  125. Input #0, matroska,webm, from 'transcoded.webm':
  126. Duration: 00:02:14.59, start: 0.000000, bitrate: 1101 kb/s
  127. Stream #0:0(eng): Video: vp8, yuv420p, 450x256, SAR 1:1 DAR 225:128, 30 fps, 30 tbr, 1k tbn, 1k tbc (default)
  128. Metadata:
  129. title : VP8 video stream
  130. Stream #0:1(eng): Audio: vorbis, 22050 Hz, stereo, s16 (default)
  131. At least one output file must be specified
  132.  
  133. $ ./ffmpeg.exe -i transcoded.webm -ss 134.5 -vframes 1 test.png
  134. ffmpeg version N-41027-ge02e58f Copyright (c) 2000-2012 the FFmpeg developers
  135. built on May 25 2012 13:09:41 with gcc 4.6.3
  136. configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libass --enable-libcelt --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libnut --enable-libopenjpeg --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libutvideo --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
  137. libavutil 51. 54.100 / 51. 54.100
  138. libavcodec 54. 23.100 / 54. 23.100
  139. libavformat 54. 6.100 / 54. 6.100
  140. libavdevice 54. 0.100 / 54. 0.100
  141. libavfilter 2. 77.100 / 2. 77.100
  142. libswscale 2. 1.100 / 2. 1.100
  143. libswresample 0. 15.100 / 0. 15.100
  144. libpostproc 52. 0.100 / 52. 0.100
  145. Input #0, matroska,webm, from 'transcoded.webm':
  146. Duration: 00:02:14.59, start: 0.000000, bitrate: 1101 kb/s
  147. Stream #0:0(eng): Video: vp8, yuv420p, 450x256, SAR 1:1 DAR 225:128, 30 fps, 30 tbr, 1k tbn, 1k tbc (default)
  148. Metadata:
  149. title : VP8 video stream
  150. Stream #0:1(eng): Audio: vorbis, 22050 Hz, stereo, s16 (default)
  151. [buffer @ 0000000000352860] w:450 h:256 pixfmt:yuv420p tb:1/1000 sar:1/1 sws_param:flags=2
  152. [buffersink @ 0000000000352b40] No opaque field provided
  153. [format @ 0000000000353300] auto-inserting filter 'auto-inserted scaler 0' between the filter 'src' and the filter 'format'
  154. [scale @ 00000000003536a0] w:450 h:256 fmt:yuv420p sar:1/1 -> w:450 h:256 fmt:rgb24 sar:1/1 flags:0x4
  155. Output #0, image2, to 'test.png':
  156. Metadata:
  157. encoder : Lavf54.6.100
  158. Stream #0:0(eng): Video: png, rgb24, 450x256 [SAR 1:1 DAR 225:128], q=2-31, 200 kb/s, 90k tbn, 30 tbc (default)
  159. Metadata:
  160. title : VP8 video stream
  161. Stream mapping:
  162. Stream #0:0 -> #0:0 (vp8 -> png)
  163. Press [q] to stop, [?] for help
  164. frame= 0 fps=0.0 q=0.0 Lsize= 0kB time=00:00:00.00 bitrate= 0.0kbits/s
  165. video:0kB audio:0kB global headers:0kB muxing overhead nan%
  166. Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)
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