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

FFmpeg trac at avcodec.org
Sat Oct 17 13:16:52 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):

 Kamedo2:
 I've improved TNS and have made it the default (-aac_tns 1).
 I've also added LTP support for voice or piano music encoding, use
 -aac_ltp 1 (or -profile:a aac_ltp) to test it. Both features are in
 current git master.

 Claudio has 2 small fixes to merge. Hopefully won't take long.

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Ticket URL: <https://trac.ffmpeg.org/ticket/2686#comment:441>
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