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

FFmpeg trac at avcodec.org
Sun May 18 09:54:47 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 Cigaes):

 Replying to [comment:294 Timothy_Gu]:
 > @cehoyos: this patch makes ANMR worse than default twoloop, even it is
 theoretically better and takes more time. While Claudio expresses interest
 to work on ANMR later, I don't think committing a patch that makes
 something worse than they should be is a good idea.

 IMHO, at this point, the question is not whether the ANMR coding is worse
 than it ''should be'' but whether it makes it worse than it ''currently

 If we blocked patches because something could be done ''even better'',
 then the only acceptable patch series would be “[PATCH 0/85042] Make
 FFmpeg the ultimate multimedia software”.

 As I understand, this patch makes some modes work much better than now,
 with very little or no degradation on the little that did work: in my
 book, this is very good for inclusion. Knowing ways of making even better
 is good too, but for later patches.

Ticket URL: <https://trac.ffmpeg.org/ticket/2686#comment:295>
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