[libav-bugs] [Bug 456] New: avconv can't remux mkv file output from x264

bugzilla-daemon at aruru.libav.org bugzilla-daemon at aruru.libav.org
Fri Feb 22 19:02:38 CET 2013


           Summary: avconv can't remux mkv file output from x264
           Product: Libav
           Version: 0.8
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: Normal
         Component: libavformat
        AssignedTo: bugzilla at libav.org
        ReportedBy: lvella at gmail.com

When I try to remux a Matroska file output from x264, I get the following

$ x264 [...] -o video.mkv
$ avconv -i video.mkv -vcodec copy video2.mkv
avconv version 0.8.4-4:0.8.4-0ubuntu0.12.04.1, Copyright (c) 2000-2012 the
Libav developers
  built on Nov  6 2012 16:51:33 with gcc 4.6.3
[matroska,webm @ 0x131c7a0] Estimating duration from bitrate, this may be
Input #0, matroska,webm, from 'video.mkv':
  Duration: 01:54:48.10, start: 0.000000, bitrate: N/A
    Stream #0.0(eng): Video: h264 (High), yuv420p, 1920x1080 [PAR 1:1 DAR
16:9], 1k tbr, 20k tbn, 2k tbc (default)
Output #0, matroska, to 'video2.mkv':
    encoder         : Lavf53.21.0
    Stream #0.0(eng): Video: H264 / 0x34363248, yuv420p, 1920x1080 [PAR 1:1 DAR
16:9], q=2-31, 1k tbn, 20k tbc (default)
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
Press ctrl-c to stop encoding
[matroska @ 0x132d5c0] Application provided invalid, non monotonically
increasing dts to muxer in stream 0: 1 >= 0
av_interleaved_write_frame(): Invalid argument

I have tried muxing to Matroska, FLV and MP4, but all failed with similar
results. I have also tried to remux the file with mkvmerge (without audio), but
the output file is equally bad for avconv.

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