[FFmpeg-trac] #2686(avcodec:open): Native AAC encoder collapses at high bitrates on some samples

FFmpeg trac at avcodec.org
Thu Mar 31 18:36:47 CEST 2016


#2686: Native AAC encoder collapses at high bitrates on some samples
-------------------------------------+-------------------------------------
             Reporter:  Kamedo2      |                    Owner:
                 Type:  defect       |  klaussfreire
             Priority:  normal       |                   Status:  open
              Version:  git-master   |                Component:  avcodec
             Keywords:  aac          |               Resolution:
  regression                         |               Blocked By:
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by Kamedo2):

 This command crashes FFmpeg, after the commit "AAC encoder: fix undefined
 behavior".

 {{{
 cores\ffmpeg79177 -i "ffmpeg_aac320k_collapse3.flac" -c:a aac -strict
 experimental -b:a 4k out.mp4
 }}}

 Past versions before the commit, such as N-79171-ga35a4a5 was safe.

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Ticket URL: <https://trac.ffmpeg.org/ticket/2686#comment:505>
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