[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
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             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            |
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Comment (by Kamedo2):

 This is the statistics of 25 samples I'm going to use in the test.
 ||=          =||=v4 abr=||=v6 abr=||=v6 vbr q0.7=||=FDK vbr3=||=lame
 V5=||=ac3=||
 ||=25 Average=||129||129||144||122||135||128||
 ||=25 Std.Dev=||5||5||24||20||18||0||
 ||=25 Min=||107||108||114||86||87||128||
 ||=25 Max=||131||133||218||173||172||128||
 ||=Max sample||25.Reunion Blues||26.French||26.French||10.||14.||29.||
 ||=Std.Average=||128||128||127||127||130||128||
 Unit is kbps. Std.Average is the average bitrate of my large collection of
 CDs encoded.

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2686#comment:181>
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