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Apr 30th, 2012
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  1. ]# ffmpeg -y -i uploads/videos/140.flv -acodec libfaac -vcodec libx264 -maxrate 3000k -bufsize 4000k -s 854x480 -qscale 12 -r 25 -ar 44100 -ab 96 -vpre medium -s 854x480 tmp/1335794424.flv
  2. FFmpeg version SVN-r26402, Copyright (c) 2000-2011 the FFmpeg developers
  3. built on Apr 18 2012 05:19:10 with gcc 4.1.2 20080704 (Red Hat 4.1.2-52)
  4. configuration: --prefix=/usr/local/src/ffmpeg --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --incdir=/usr/include --disable-avisynth --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC' --enable-avfilter --enable-libdirac --enable-libfaac --enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads --enable-shared --enable-swscale --enable-vdpau --enable-version3 --enable-x11grab --enable-libxvid --enable-libvorbis --enable-libtheora
  5. libavutil 50.36. 0 / 50.36. 0
  6. libavcore 0.16. 1 / 0.16. 1
  7. libavcodec 52.108. 0 / 52.108. 0
  8. libavformat 52.93. 0 / 52.93. 0
  9. libavdevice 52. 2. 3 / 52. 2. 3
  10. libavfilter 1.74. 0 / 1.74. 0
  11. libswscale 0.12. 0 / 0.12. 0
  12. libpostproc 51. 2. 0 / 51. 2. 0
  13. [flv @ 0x151b09d0] Estimating duration from bitrate, this may be inaccurate
  14.  
  15. Seems stream 0 codec frame rate differs from container frame rate: 1000.00 (1000/1) -> 29.92 (359/12)
  16. Input #0, flv, from 'uploads/videos/140.flv':
  17. Metadata:
  18. duration : 46
  19. starttime : 0
  20. totalduration : 46
  21. width : 400
  22. height : 224
  23. videodatarate : 249
  24. audiodatarate : 25
  25. totaldatarate : 283
  26. framerate : 30
  27. bytelength : 1640495
  28. canseekontime : true
  29. sourcedata : B4A7D64A5HH1312199437857390
  30. purl :
  31. pmsg :
  32. Duration: 00:00:46.34, start: 0.000000, bitrate: 281 kb/s
  33. Stream #0.0: Video: flv, yuv420p, 400x224, 255 kb/s, 29.92 tbr, 1k tbn, 1k tbc
  34. Stream #0.1: Audio: mp3, 22050 Hz, 2 channels, s16, 26 kb/s
  35. WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s
  36. [buffer @ 0x151b9610] w:400 h:224 pixfmt:yuv420p
  37. [scale @ 0x15227730] w:400 h:224 fmt:yuv420p -> w:854 h:480 fmt:yuv420p flags:0xa0000004
  38. [libx264 @ 0x151b4a40] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2
  39. [libx264 @ 0x151b4a40] profile High, level 3.0
  40. [libx264 @ 0x151b4a40] 264 - core 116 r2074 2641b9e - H.264/MPEG-4 AVC codec - Copyleft 2003-2011 - 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=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=abr mbtree=1 bitrate=200 ratetol=1.0 qcomp=0.60 qpmin=10 qpmax=51 qpstep=4 vbv_maxrate=3000 vbv_bufsize=4000 nal_hrd=none ip_ratio=1.41 aq=1:1.00
  41. Output #0, flv, to 'tmp/1335794424.flv':
  42. Metadata:
  43. duration : 46
  44. starttime : 0
  45. totalduration : 46
  46. width : 400
  47. height : 224
  48. videodatarate : 249
  49. audiodatarate : 25
  50. totaldatarate : 283
  51. framerate : 30
  52. bytelength : 1640495
  53. canseekontime : true
  54. sourcedata : B4A7D64A5HH1312199437857390
  55. purl :
  56. pmsg :
  57. encoder : Lavf52.93.0
  58. Stream #0.0: Video: libx264, yuv420p, 854x480, q=10-51, 200 kb/s, 1k tbn, 25 tbc
  59. Stream #0.1: Audio: libfaac, 44100 Hz, 2 channels, s16, 0 kb/s
  60. Stream mapping:
  61. Stream #0.0 -> #0.0
  62. Stream #0.1 -> #0.1
  63. Press [q] to stop encoding
  64. frame= 1160 fps= 35 q=-1.0 Lsize= 1300kB time=46.32 bitrate= 229.9kbits/s dup=0 drop=230
  65. video:1010kB audio:234kB global headers:0kB muxing overhead 4.534965%
  66. frame I:9 Avg QP:25.39 size: 9394
  67. [libx264 @ 0x151b4a40] frame P:408 Avg QP:29.03 size: 1767
  68. [libx264 @ 0x151b4a40] frame B:743 Avg QP:34.85 size: 307
  69. [libx264 @ 0x151b4a40] consecutive B-frames: 12.1% 4.0% 10.9% 73.1%
  70. [libx264 @ 0x151b4a40] mb I I16..4: 37.7% 56.1% 6.2%
  71. [libx264 @ 0x151b4a40] mb P I16..4: 2.8% 3.2% 0.1% P16..4: 24.3% 3.0% 1.3% 0.0% 0.0% skip:65.3%
  72. [libx264 @ 0x151b4a40] mb B I16..4: 0.1% 0.1% 0.0% B16..8: 14.2% 0.3% 0.0% direct: 0.0% skip:85.3% L0:35.8% L1:63.5% BI: 0.8%
  73. [libx264 @ 0x151b4a40] final ratefactor: 29.41
  74. [libx264 @ 0x151b4a40] 8x8 transform intra:53.2% inter:87.8%
  75. [libx264 @ 0x151b4a40] coded y,uvDC,uvAC intra: 21.5% 16.4% 2.0% inter: 2.9% 2.3% 0.0%
  76. [libx264 @ 0x151b4a40] i16 v,h,dc,p: 38% 39% 9% 14%
  77. [libx264 @ 0x151b4a40] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 25% 39% 2% 3% 2% 4% 2% 4%
  78. [libx264 @ 0x151b4a40] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 30% 14% 3% 6% 5% 6% 3% 4%
  79. [libx264 @ 0x151b4a40] i8c dc,h,v,p: 83% 11% 5% 1%
  80. [libx264 @ 0x151b4a40] Weighted P-Frames: Y:2.7% UV:1.5%
  81. [libx264 @ 0x151b4a40] ref P L0: 64.8% 13.7% 17.1% 4.3% 0.1%
  82. [libx264 @ 0x151b4a40] ref B L0: 90.1% 8.4% 1.6%
  83. [libx264 @ 0x151b4a40] ref B L1: 95.1% 4.9%
  84. [libx264 @ 0x151b4a40] kb/s:178.20
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