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

FFmpeg trac at avcodec.org
Sat Oct 26 09:07:40 CEST 2013


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

Comment (by Kamedo2):

 Comparison between v6 patch and v7 patch. The sound source is:
 - white noise, 5sec, stereo 48kHz
 - snippet of music albums, 300sec, stereo 44.1kHz
 - snippet of TV sources, 1200sec, stereo 48kHz
 [[Image(http://i43.tinypic.com/2dtnb79.png)]]
 The progress of the listening test is 8% (2 out of 25 samples).

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2686#comment:225>
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