[Bug 1191516] Re: Application provided invalid, non monotonically increasing dts to muxer in stream 0

[Andrew Schulman]

This is still a problem for me with libav-tools 6:9.13-0ubuntu0.14.04.1
in trusty.

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Title:
  Application provided invalid, non monotonically increasing dts to
  muxer in stream 0

Status in “libvpx” package in Ubuntu:
  Fix Released

Bug description:
  With some input video (such as LQ MP4 from [1]), the second pass fails
  when a preset enabling automatic placement of alternate reference
  frames with "auto-alt-ref=1" (such as all of those provided by libav-
  tools) is used. (Example of non-problematic input is MP4 from [2].)
  This is apparently an upstream issue, already fixed in
  v1.1.0-184-g429743c [3].

  Steps to reproduce:
  1. wget 'http://archive.org/download/Mario2_919/Mario2_919_LQ.avi'
  2. avconv -y -i Mario2_919_LQ.avi -c:v libvpx -pre libvpx-360p -pass 1 -an -sn -t 1 out.webm
  3. avconv -y -i Mario2_919_LQ.avi -c:v libvpx -pre libvpx-360p -pass 2 -an -sn -t 1 out.webm

  What happens:
  The second pass ends with:
  [webm @ 0x7ab6c0] Application provided invalid, non monotonically increasing dts to muxer in stream 0: 100 >= 100
  av_interleaved_write_frame(): Invalid argument

  What I expect to happen:
  The second pass to finish successfully.

  Workaround:
  Copy preset file to ˝/.avconv/, comment out (#) auto-alt-ref=1.

  
  *[1] http://archive.org/details/Mario2_919
  *[2] http://archive.org/details/014674
  *[3] http://code.google.com/p/webm/issues/detail?id=468#issueheader

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: libvpx1 1.0.0-1
  ProcVersionSignature: Ubuntu 3.5.0-34.55~precise1-generic 3.5.7.13
  Uname: Linux 3.5.0-34-generic x86_64
  ApportVersion: 2.0.1-0ubuntu17.3
  Architecture: amd64
  CheckboxSubmission: 09ae689090491ca53449589269e4bfd8
  CheckboxSystem: edda5d4f616ca792bf437989cb597002
  Date: Sun Jun 16 16:02:38 2013
  InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
  MarkForUpload: True
  SourcePackage: libvpx
  UpgradeStatus: Upgraded to precise on 2011-11-21 (573 days ago)

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