[FFmpeg-trac] #1544(undetermined:new): Transcoding of mpeg file fails - Too large number of skiped frames

FFmpeg trac at avcodec.org
Wed Jul 18 10:49:23 CEST 2012


#1544: Transcoding of mpeg file fails - Too large number of skiped frames
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:  git-       |  undetermined
  master                             |               Keywords:  mpegps
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 (Sample from issue 452)
 I will post a link to a sample that cannot be transcoded, timestamps wraps
 after the first audio and first video frame, the resulting file is
 unplayable.
 {{{
 $ ffmpeg -i infinite_loop.avi out.avi
 ffmpeg version N-42594-g56ae592 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Jul 18 2012 09:14:59 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
 [mpeg @ 0x90774e0] max_analyze_duration 5000000 reached at 5000000
 Input #0, mpeg, from 'infinite_loop.avi':
   Duration: 00:00:47.92, start: 95443.337944, bitrate: 468 kb/s
     Stream #0:0[0x1c0]: Audio: mp2, 44100 Hz, mono, s16, 56 kb/s
     Stream #0:1[0x1e0]: Video: mpeg1video, yuv420p, 160x120 [SAR 1:1 DAR
 4:3], 400 kb/s, 25 fps, 25 tbr, 90k tbn, 25 tbc
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf54.17.100
     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 160x120 [SAR
 1:1 DAR 4:3], q=2-31, 200 kb/s, 25 tbn, 25 tbc
     Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 44100 Hz, mono, s16
 Stream mapping:
   Stream #0:1 -> #0:0 (mpeg1video -> mpeg4)
   Stream #0:0 -> #0:1 (mp2 -> libmp3lame)
 Press [q] to stop, [?] for help
 Too large number of skiped frames 2386083 time=00:00:44.32 bitrate=
 68.6kbits/s
 frame= 1189 fps=446 q=1.6 Lsize=     398kB time=00:00:47.56 bitrate=
 68.5kbits/s
 video:3690kB audio:372kB subtitle:0 global headers:0kB muxing overhead
 -90.213204%
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1544>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker


More information about the FFmpeg-trac mailing list