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

[FFmpeg]

#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):

 I've got this error:
 {{{
 $ make
 CC      libavcodec/aaccoder.o
 libavcodec/aaccoder.c: In function 'search_for_quantizers_twoloop':
 libavcodec/aaccoder.c:867:40: error: 'AACEncContext' has no member named
 'cur_ty
 pe'
          if (s->options.stereo_mode && s->cur_type == TYPE_CPE)
                                         ^
 libavcodec/aaccoder.c:814:44: warning: variable 'energies' set but not
 used [-Wu
 nused-but-set-variable]
      float dists[128] = { 0 }, uplims[128], energies[128];
                                             ^
 libavcodec/aaccoder.c: At top level:
 libavcodec/aaccoder.c:1527:9: warning: initialization from incompatible
 pointer
 type [enabled by default]
          quantize_and_encode_band,
          ^
 libavcodec/aaccoder.c:1527:9: warning: (near initialization for
 'ff_aac_coders[0
 ].quantize_and_encode_band') [enabled by default]
 libavcodec/aaccoder.c:1533:9: warning: initialization from incompatible
 pointer
 type [enabled by default]
          quantize_and_encode_band,
          ^
 libavcodec/aaccoder.c:1533:9: warning: (near initialization for
 'ff_aac_coders[1
 ].quantize_and_encode_band') [enabled by default]
 libavcodec/aaccoder.c:1539:9: warning: initialization from incompatible
 pointer
 type [enabled by default]
          quantize_and_encode_band,
          ^
 libavcodec/aaccoder.c:1539:9: warning: (near initialization for
 'ff_aac_coders[2
 ].quantize_and_encode_band') [enabled by default]
 libavcodec/aaccoder.c:1545:9: warning: initialization from incompatible
 pointer
 type [enabled by default]
          quantize_and_encode_band,
          ^
 libavcodec/aaccoder.c:1545:9: warning: (near initialization for
 'ff_aac_coders[3
 ].quantize_and_encode_band') [enabled by default]
 libavcodec/aaccoder.c:366:14: warning: 'find_max_absval' defined but not
 used [-
 Wunused-function]
  static float find_max_absval(int group_len, int swb_size, const float
 *scaled)
 {
               ^
 make: *** [libavcodec/aaccoder.o] Error 1
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/2686#comment:249>
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