[FFmpeg-trac] #475(undetermined:open): Audio desync from video with MXF file

FFmpeg trac at avcodec.org
Fri Sep 16 10:31:05 CEST 2011


#475: Audio desync from video with MXF file
-------------------------------------+-------------------------------------
             Reporter:  james2432    |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:               |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  1
-------------------------------------+-------------------------------------
Changes (by cehoyos):

 * status:  new => open
 * version:  unspecified => git-master
 * reproduced:  0 => 1


Comment:

 Works fine with ffmpeg (and MPlayer), but another (related?) problem with
 the sample can be shown:
 {{{
 $ ffmpeg -i AV_Desync.MXF -acodec copy -vn out.avi
 ffmpeg version N-32617-ge78d1a5, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Sep 15 2011 23:18:20 with gcc 4.5.3
   configuration: --cc=/usr/local/gcc-4.5.3/bin/gcc --enable-gpl --enable-
 version2
   libavutil    51. 16. 0 / 51. 16. 0
   libavcodec   53. 15. 0 / 53. 15. 0
   libavformat  53. 12. 0 / 53. 12. 0
   libavdevice  53.  3. 0 / 53.  3. 0
   libavfilter   2. 40. 0 /  2. 40. 0
   libswscale    2.  1. 0 /  2.  1. 0
   libpostproc  51.  2. 0 / 51.  2. 0
 Input #0, mxf, from 'AV_Desync.MXF':
   Duration: 00:00:10.01, start: 0.000000, bitrate: 52173 kb/s
     Stream #0.0: Video: mpeg2video (4:2:2), yuv422p, 1920x1080 [SAR 1:1
 DAR 16:9], 50000 kb/s, 29.97 fps, 29.97 tbr, 29.97 tbn, 59.94 tbc
     Stream #0.1: Audio: pcm_s16le, 48000 Hz, 1 channels, s16, 768 kb/s
     Stream #0.2: Audio: pcm_s16le, 48000 Hz, 1 channels, s16, 768 kb/s
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf53.12.0
     Stream #0.0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, 1
 channels, 768 kb/s
 Stream mapping:
   Stream #0.1 -> #0.0 (copy)
 Press [q] to stop, [?] for help
 [avi @ 0x13042a0] Application provided invalid, non monotonically
 increasing dts to muxer in stream 0: 801 >= 801
 av_interleaved_write_frame(): Invalid argument
 }}}

-- 
Ticket URL: <https://avcodec.org/trac/ffmpeg/ticket/475#comment:1>
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