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FFmpeg/libavcodec
Rostislav Pehlivanov 7b7866387b aacenc_tns: encode coefficients directly and reenable compression
This commit was made possible with the earlier commits since the
new quantization method basically means we're working always with
unsigned values. The specifications mention to use compression when
the first 2 bits are identical but they didn't mention if this should
happen before or after the conversion to signed values. Actually
they said nothing about conversion to signed values.

With this commit, coefficient compression usually always happens
which saves a lot of space, especially at extremely low bitrates
and doesn't change the quality at all.

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
2015-09-12 13:10:28 +01:00
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