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

FFmpeg trac at avcodec.org
Fri May 30 18:29:10 CEST 2014


#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):

 Replying to [comment:301 klaussfreire]:
 > I don't understand. How is -q:a 30 48kbps?
 >
 > Or is it 0.30?
 {{{
 faac-1.28-mod\faac -q 30 -o out.mp4 in.44k.wav
 }}}
 ||=encoder=||=rate=||=min=||=average=||=max=||
 ||FAAC||96k||97||98||98||
 ||FAAC||q30||43||51||59||
 ||mp2||96k||96||96||96||
 ||vo-aacenc||96k||98||98||99||
 ||Bladeenc||96k||96||96||96||
 ||Native||96k||98||98||100||
 ||Native+v8g||96k||98||99||101||

--
Ticket URL: <https://trac.ffmpeg.org/ticket/2686#comment:302>
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