[FFmpeg-trac] #1552(undetermined:new): Packed B-frames cannot be remuxed into mkv

FFmpeg trac at avcodec.org
Wed Jul 18 20:52:31 CEST 2012


#1552: Packed B-frames cannot be remuxed into mkv
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:  git-       |  undetermined
  master                             |               Keywords:  asp mkv
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 (issue 1719)
 FFmpeg fails when trying to remux packed B-frames into matroska.
 {{{
 $ ffmpeg -i AVI\ That\ plays\ well\ but\ can\ ot\ be\ muxed\ to\ mkv.avi
 -vcodec copy -an out.mkv
 ffmpeg version N-42605-g5784a46 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Jul 18 2012 20:29:06 with gcc 4.3.2
   configuration: --cc=/usr/local/gcc-4.3.2/bin/gcc --enable-gpl --enable-
 libopenjpeg --enable-libvorbis --enable-libspeex --enable-libmp3lame
 --enable-libtheora --extra-ldflags=-lm --enable-libvpx --enable-libxavs
 --enable-x11grab --enable-libass
   libavutil      51. 65.100 / 51. 65.100
   libavcodec     54. 41.100 / 54. 41.100
   libavformat    54. 17.100 / 54. 17.100
   libavdevice    54.  1.100 / 54.  1.100
   libavfilter     3.  2.100 /  3.  2.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 15.100 /  0. 15.100
   libpostproc    52.  0.100 / 52.  0.100
 [mpeg4 @ 0x907d800] Invalid and inefficient vfw-avi packed B frames
 detected
 Input #0, avi, from 'AVI That plays well but can ot be muxed to mkv.avi':
   Metadata:
     encoder         : Lavf52.48.0
   Duration: 00:00:20.44, start: 0.000000, bitrate: 315 kb/s
     Stream #0:0: Video: mpeg4 (DX50 / 0x30355844), yuv420p, 592x472 [SAR
 1:1 DAR 74:59], 25 fps, 25 tbr, 25 tbn, 30k tbc
     Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, s16,
 128 kb/s
 Output #0, matroska, to 'out.mkv':
   Metadata:
     encoder         : Lavf54.17.100
     Stream #0:0: Video: mpeg4 (DX50 / 0x30355844), yuv420p, 592x472 [SAR
 1:1 DAR 74:59], q=2-31, 25 fps, 1k tbn, 25 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 [matroska @ 0x9077ce0] Can't write packet with unknown timestamp
 av_interleaved_write_frame(): Invalid argument
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1552>
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