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[Sebastian Ramacher <1293443@xxxxxxxxxxxxxxxxxx>]

If this is still an issue in newer versions of libav, please follow
https://libav.org/bugreports.html and report the issue upstream.

** Changed in: libav (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1293443

Title:
  avconv crashed with SIGFPE in ff_mpa_check_header()

Status in libav package in Ubuntu:
  Incomplete

Bug description:
  Only on stream copy, no crash when recoding using -c:a libmp3lame,
  output ok but error log shows

  Input stream #0:0 frame changed from rate:44100 fmt:s16p ch:2 chl:stereo to rate:44100 fmt:s16p ch:1 chl:mono
  [abuffer @ 0x1100f60] Changing frame properties on the fly is not supported.
  [mp3 @ 0x10e0e80] Header missing
  Error while decoding stream #0:0
  [mp3 @ 0x10e0e80] Header missing
  Error while decoding stream #0:0
  [mp3 @ 0x10e0e80] Header missing
  Error while decoding stream #0:0
  Input stream #0:0 frame changed from rate:44100 fmt:s16p ch:1 chl:mono to rate:48000 fmt:s16p ch:2 chl:stereo
  [abuffer @ 0x1103100] Changing frame properties on the fly is not supported.
  Input stream #0:0 frame changed from rate:48000 fmt:s16p ch:2 chl:stereo to rate:44100 fmt:s16p ch:2 chl:stereo
  incomplete frametime=1480.88 bitrate= 128.0kbits/s
  Error while decoding stream #0:0

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: libav-tools 6:9.11-2ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6
  Uname: Linux 3.13.0-17-generic x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CrashCounter: 1
  CurrentDesktop: KDE
  Date: Mon Mar 17 10:03:32 2014
  ExecutablePath: /usr/bin/avconv
  InstallationDate: Installed on 2014-02-21 (23 days ago)
  InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131219)
  ProcCmdline: avconv -i /home/username/Downloads/«inputfile».mpeg -c:a copy «outputfile»-2205.mp3
  Signal: 8
  SourcePackage: libav
  StacktraceTop:
   avpriv_mpegaudio_decode_header () from /usr/lib/x86_64-linux-gnu/libavcodec.so.54
   ?? () from /usr/lib/x86_64-linux-gnu/libavformat.so.54
   ?? () from /usr/lib/x86_64-linux-gnu/libavformat.so.54
   av_interleaved_write_frame () from /usr/lib/x86_64-linux-gnu/libavformat.so.54
   ?? ()
  Title: avconv crashed with SIGFPE in avpriv_mpegaudio_decode_header()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: _cvsadmin adm cdrom dip lpadmin plugdev sambashare sudo

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