[Ffmpeg-devel] ffmpeg decodes MXF DVCPro25 or DVCPro50 one frame then stop.

[Thomas Parmegiani]

Hi !

I try to reencode mxf file to mpeg2 using command line :

./ffmpeg -i /G/TS/MXF/DVCPro25.mxf /G/TS/mxf.ts
FFmpeg version SVN-r6530, Copyright (c) 2000-2006 Fabrice Bellard, et al.
  configuration:  --enable-shared --disable-static --enable-memalign-hack --
disable-strip
  libavutil version: 49.0.1
  libavcodec version: 51.16.0
  libavformat version: 50.5.0
  built on Nov 24 2006 10:26:40, gcc: 3.4.2 (mingw-special)
essence codec     ul 06 0E 2B 34 04 01 01 01 04 01 02 02 02 02 02 00
essence container ul 06 0E 2B 34 04 01 01 01 0D 01 03 01 02 02 41 02
essence codec     ul 06 0E 2B 34 04 01 01 01 04 01 02 02 02 02 02 00
essence container ul 06 0E 2B 34 04 01 01 01 0D 01 03 01 02 02 41 02
essence codec     ul 06 0E 2B 34 04 01 01 01 04 01 02 02 02 02 02 00
essence container ul 06 0E 2B 34 04 01 01 01 0D 01 03 01 02 02 41 02
essence codec     ul 06 0E 2B 34 04 01 01 01 04 01 02 02 02 02 02 00
essence container ul 06 0E 2B 34 04 01 01 01 0D 01 03 01 02 02 41 02
essence codec     ul 06 0E 2B 34 04 01 01 01 04 01 02 02 02 02 02 00
essence container ul 06 0E 2B 34 04 01 01 01 0D 01 03 01 02 02 41 02
Input #0, mxf, from 'g:/TS/MXF/DVCPro25.mxf':
  Duration: 00:00:05.0, start: 0.000000, bitrate: 28852 kb/s
  Stream #0.0, 1/25: Video: dvvideo, yuv411p, 720x576, 1/25, 25.00 fps(r)
  Stream #0.1, 1/48000: Video: dvvideo, 720x288, 1/48000, 48000.00 fps(r)
  Stream #0.2, 1/48000: Video: dvvideo, 720x288, 1/48000, 48000.00 fps(r)
  Stream #0.3, 1/48000: Video: dvvideo, 720x288, 1/48000, 48000.00 fps(r)
  Stream #0.4, 1/48000: Video: dvvideo, 720x288, 1/48000, 48000.00 fps(r)
PIX_FMT_YUV420P will be used as an intermediate format for rescaling
Output #0, mpegts, to 'g:/TS/mxf.ts':
  Stream #0.0, 1/90000: Video: mpeg2video, yuv420p, 720x288, 1/60, q=2-31,
200 kb/s, 60.00 fps(c)
Stream mapping:
  Stream #0.0 -> #0.0
frame=    1 q=3.2 Lsize=      13kB time=10000000000.0 bitrate=   0.0kbits/s
video:10kB audio:0kB global headers:0kB muxing overhead 29.447274%


The problem is that I get only one frame results as if the source would
contain only one frame.

Samples used can be found at : http://www.mxftk.com/pub/page.php?id=47

MXF File P2 PAL DVCPRO 25:
http://www.mxftk.com/userdoc/mxf_samples_files/P2-dvcpro25.zip
MXF File P2 PAL DVCPRO 50:
http://www.mxftk.com/userdoc/mxf_samples_files/P2-dvcpro50.zip

Best Regards,

Thomas.P