#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 klaussfreire):
Replying to [comment:63 Kamedo2]:
> Aren't you trying to access s->bit_rate when it's VBR? Or am I missing
something?
Yes, bit_rate in that case holds the default of 128kbps. Psy does the
same, but it works well since that's considered to be AAC's transparent
rate. So, for VBR, you make psy work at transparent settings, and
compensate bit allocation based on RD scaling.
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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2686#comment:65>
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