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3 Commits

Author SHA1 Message Date
Andreas Rheinhardt 386990a955 avcodec/aacenc_quantization: Remove always-zero function parameter 
rtz is only ever nonzero for quantize_and_encode_band().

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2022-08-05 03:28:45 +02:00
Reimar Döffinger b91e376390 aacenc: use generational cache instead of resetting. 
Approximately 11% faster transcoding from mp3 with
default settings.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
 2016-03-08 23:56:51 +01:00
Claudio Freire b629c67ddf AAC encoder: memoize quantize_band_cost 
The bulk of calls to quantize_band_cost are replaced
by a call to a version that memoizes, greatly improving
performance, since during coefficient search there is
a great deal of repeat work.

Memoization cannot always be applied, so do this in a
different function, and leave the original as-is.
 2015-10-12 03:56:22 -03:00