[FFmpeg-trac] #558(undetermined:open): h264 in mkv: non monotonically increasing dts

FFmpeg trac at avcodec.org
Mon Oct 17 08:27:41 CEST 2011


#558: h264 in mkv: non monotonically increasing dts
-------------------------------------+-------------------------------------
             Reporter:  StevenG      |                    Owner:  michael
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  H264 mkv     |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  1
-------------------------------------+-------------------------------------

Comment (by StevenG):

 Some additional info/bug


 {{{
 i:\2.prog\video\ffmpeg>ffmpeg -i b.mkv -vcodec copy y:\test\b.h264
 ffmpeg version N-33591-gf884ef0, Copyright (c) 2000-2011 the FFmpeg
 developers
   built on Oct 13 2011 02:23:02 with gcc 4.6.1
   configuration: --enable-gpl --enable-version3 --enable-runtime-cpudetect
 --ena
 ble-avisynth --enable-bzlib --enable-frei0r --enable-libopencore-amrnb
 --enable-
 libopencore-amrwb --enable-libfreetype --enable-libgsm --enable-libmp3lame
 --ena
 ble-libopenjpeg --enable-librtmp --enable-libschroedinger --enable-
 libspeex --en
 able-libtheora --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-
 libvorbis
 --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid
 --enable-zlib

   libavutil    51. 21. 0 / 51. 21. 0
   libavcodec   53. 20. 1 / 53. 20. 1
   libavformat  53. 15. 0 / 53. 15. 0
   libavdevice  53.  4. 0 / 53.  4. 0
   libavfilter   2. 43. 6 /  2. 43. 6
   libswscale    2.  1. 0 /  2.  1. 0
   libpostproc  51.  2. 0 / 51.  2. 0

 Seems stream 0 codec frame rate differs from container frame rate: 47.95
 (5994/1
 25) -> 23.98 (24000/1001)
 Input #0, matroska,webm, from 'b.mkv':
   Metadata:
     title           : The Secret Circle S01E04 Heather 720p WEB-DL DD5.1
 H.264-K
 iNGS
   Duration: 00:00:04.45, start: 0.000000, bitrate: 8744 kb/s
     Stream #0:0(eng): Video: h264 (High), yuv420p, 1280x720 [SAR 1:1 DAR
 16:9],
 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
     Stream #0:1(eng): Audio: ac3, 48000 Hz, 5.1(side), s16, 384 kb/s
 (default)
 Output #0, h264, to 'y:\test\b.h264':
   Metadata:
     title           : The Secret Circle S01E04 Heather 720p WEB-DL DD5.1
 H.264-K
 iNGS
     encoder         : Lavf53.15.0
     Stream #0:0(eng): Video: h264, yuv420p, 1280x720 [SAR 1:1 DAR 16:9],
 q=2-31,
  90k tbn, 23.98 tbc (default)
 Stream mapping:
   Stream #0.0 -> #0.0 (copy)
 Press [q] to stop, [?] for help
 [h264 @ 021AEA00] pts < dts in stream 0
 [h264 @ 021AEA00] Application provided invalid, non monotonically
 increasing dts
  to muxer in stream 0: 7560 >= 3780
 frame=  106 fps=  0 q=-1.0 Lsize=    4535kB time=00:00:04.37
 bitrate=8483.2kbits
 /s
 video:4535kB audio:0kB global headers:0kB muxing overhead 0.000000%

 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/558#comment:12>
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