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

FFmpeg trac at avcodec.org
Sun Dec 13 10:08:53 CET 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 heleppkes):

 Replying to [comment:461 Kamedo2]:
 > I am considering a new listening test of {{{-c:a aac}}} and {{{-c:a
 libfdk_aac}}} at 64k, 96k, and 128kbps. Is the bug comment:459 easy to
 solve?

 First someone would need to determine if its maybe faad thats broken.
 No software is ever perfect.

 If it doesn't re produce with mpeg2_aac_low, its likely related to PNS, as
 thats the only feature that gets turned off over aac_low.

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Ticket URL: <https://trac.ffmpeg.org/ticket/2686#comment:463>
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