[FFmpeg-trac] #2917(avformat:new): Wrong framerate for mpeg2video in lxf

FFmpeg trac at avcodec.org
Fri Aug 30 13:11:26 CEST 2013


#2917: Wrong framerate for mpeg2video in lxf
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  important  |              Component:  avformat
                Version:  git-       |               Keywords:  lxf
  master                             |  mpeg2video regression
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 http://thread.gmane.org/gmane.comp.video.ffmpeg.user/47567
 A user uploaded a lxf sample that shows an incorrect framerate of 14.99
 instead of 29.97 since 45bd0d1 (ticket #1065) unless --disable-
 parser=mpegvideo is used.
 {{{
 $ ffmpeg -i Video_LXF.lxf -f null -
 ffmpeg version N-55905-g62a6052 Copyright (c) 2000-2013 the FFmpeg
 developers
   built on Aug 30 2013 13:10:20 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --disable-indev=jack
   libavutil      52. 42.100 / 52. 42.100
   libavcodec     55. 29.100 / 55. 29.100
   libavformat    55. 15.100 / 55. 15.100
   libavdevice    55.  3.100 / 55.  3.100
   libavfilter     3. 82.102 /  3. 82.102
   libswscale      2.  5.100 /  2.  5.100
   libswresample   0. 17.103 /  0. 17.103
   libpostproc    52.  3.100 / 52.  3.100
 Guessed Channel Layout for  Input Stream #0.1 : 7.1
 Input #0, lxf, from 'Video_LXF.lxf':
   Duration: 00:00:16.88, start: 0.000000, bitrate: 12229 kb/s
     Stream #0:0: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
 yuv420p, 720x480 [SAR 8:9 DAR 4:3], 6000 kb/s, 14.99 fps, 29.97 tbr, 29.97
 tbn, 59.94 tbc
     Stream #0:1: Audio: pcm_s16le_planar, 48000 Hz, 7.1, s16p, 6144 kb/s
 Output #0, null, to 'pipe:':
   Metadata:
     encoder         : Lavf55.15.100
     Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 720x480
 [SAR 8:9 DAR 4:3], q=2-31, 200 kb/s, 90k tbn, 29.97 tbc
     Stream #0:1: Audio: pcm_s16le, 48000 Hz, 7.1, s16, 6144 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (mpeg2video -> rawvideo)
   Stream #0:1 -> #0:1 (pcm_s16le_planar -> pcm_s16le)
 Press [q] to stop, [?] for help
 [mpeg2video @ 0x2430280] allocating dummy last picture for B frame
 [null @ 0x24359c0] Encoder did not produce proper pts, making some up.
 [mpeg2video @ 0x2430280] allocating dummy last picture for B frame
 frame=  507 fps=0.0 q=0.0 Lsize=N/A time=00:00:17.01 bitrate=N/A dup=2
 drop=1
 video:48kB audio:12763kB subtitle:0 global headers:0kB muxing overhead
 -100.000168%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2917>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker


More information about the FFmpeg-trac mailing list