[FFmpeg-trac] #1417(undetermined:new): FFMPEG -bf flag creates broken video with mpeg4 codec

[FFmpeg]

#1417: FFMPEG -bf flag creates broken video with mpeg4 codec
-------------------------------------+-------------------------------------
             Reporter:  ramitbhalla  |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug: In FFMPEG setting the -bf flag to anything but 0 while
 using the mpeg4 codec creates video that's broken in WMP12/MCE playback.

 How to reproduce: A sample file (you can try others) is uploaded at:
 http://www.mediafire.com/?5xwf84kbzp6ci4y

 COMMAND:

 {{{
 ffmpeg -y -i csi.ts -an -vcodec mpeg4 -bf 3 csi.mp4
 }}}

 OUTPUT:

 {{{
 ffmpeg version N-41195-g8a0efa9 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on May 31 2012 20:04:59 with gcc 4.6.3
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-runtime-cpudetect --enable-avisynth --enab
 le-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-libschro
 edinger --enable-libspeex --enable-libtheora --enable-libutvideo --enable-
 libvo-aacenc --enable-libvo-amrwbenc --enable-
 libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-
 libxvid --enable-zlib
   libavutil      51. 55.100 / 51. 55.100
   libavcodec     54. 23.100 / 54. 23.100
   libavformat    54.  6.101 / 54.  6.101
   libavdevice    54.  0.100 / 54.  0.100
   libavfilter     2. 77.100 /  2. 77.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 15.100 /  0. 15.100
   libpostproc    52.  0.100 / 52.  0.100
 [mp3 @ 02bd1000] Header missing
 [mpeg2video @ 01e0cb00] mpeg_decode_postinit() failure
     Last message repeated 7 times
 [mpegts @ 01e0be20] max_analyze_duration 5000000 reached at 5016000
 Input #0, mpegts, from 'csi.ts':
   Duration: 00:00:46.61, start: 14.737000, bitrate: 8185 kb/s
   Program 1
     Stream #0:0[0x1100]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
 yuv420p, 720x480 [SAR 8:9 DAR 4:3], 9000 kb/s
 , 31.22 fps, 29.97 tbr, 90k tbn, 59.94 tbc
     Stream #0:1[0x1101]: Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz,
 stereo, s16, 384 kb/s
 [buffer @ 0313f0c0] w:720 h:480 pixfmt:yuv420p tb:1/90000 sar:8/9
 sws_param:flags=2
 [buffersink @ 0313f3e0] No opaque field provided
 Output #0, mp4, to 'csi.mp4':
   Metadata:
     encoder         : Lavf54.6.101
     Stream #0:0: Video: mpeg4 ( [0][0][0] / 0x0020), yuv420p, 720x480 [SAR
 8:9 DAR 4:3], q=2-31, 200 kb/s, 30k tbn, 29.9
 7 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (mpeg2video -> mpeg4)
 Press [q] to stop, [?] for help
 ac-tex damaged at 32 138.8 size=    2160kB time=00:00:45.91 bitrate=
 385.4kbits/s dup=11 drop=0
 [mpeg2video @ 01e0cb00] Warning MVs not available
 [mpeg2video @ 01e0cb00] concealing 765 DC, 765 AC, 765 MV errors
 frame= 1398 fps= 46 q=31.0 Lsize=    2232kB time=00:00:46.61 bitrate=
 392.2kbits/s dup=12 drop=0
 video:2219kB audio:0kB global headers:0kB muxing overhead 0.552200%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1417>
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