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

FFmpeg trac at avcodec.org
Sun Aug 30 00:45:27 CEST 2015


#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 atomnuker):

 Replying to [comment:390 Kamedo2]:
 > This rare sample and this command induces infinite loop on the current
 git head.
 > {{{
 > ffmpeg73505 -i ffmpeg_aac_error1.flac -c:a aac -strict experimental -q:a
 1 -ar 8000 out.mp4
 > ffmpeg73505 -i ffmpeg_aac_error1.flac -c:a aac -strict experimental -b:a
 96k -ar 8000 out.mp4
 > }}}
 I cannot replicate this bug anymore so it's probably fixed, could you test
 with the newest git master to see if it causes problems?

 I'll look into what causes the faac coder to get stuck at high bitrates.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/2686#comment:402>
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