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Sync to upstream libopus

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Sync to commit bb4b6885a139644cf3ac14e7deda9f633ec2d93c

This brings in a bunch of optimizations to decode speed
and memory usage. Allocations are switched from using
the pseudostack to using the real stack. Enabled hacks
to reduce stack usage.

This should fix crashes on sansa clip, although some
files will not play due to failing allocations in the
codec buffer.

Speeds up decoding of the following test files:

                 H300 (cf)   C200 (arm7tdmi)  ipod classic (arm9e)
16 kbps (silk)   14.28 MHz   4.00 MHz         2.61 MHz
64 kbps (celt)   4.09 MHz    8.08 MHz         6.24 MHz
128 kbps (celt)  1.93 MHz    8.83 MHz         6.53 MHz

Change-Id: I851733a8a5824b61feb363a173091bc7e6629b58
This commit is contained in:
Nils Wallménius 2014-01-19 16:31:59 +01:00
parent e557951c94
commit 9b7ec42403
46 changed files with 1608 additions and 1051 deletions
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2
lib/rbcodec/codecs/libopus/celt/vq.h
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@ -65,6 +65,6 @@ unsigned alg_unquant(celt_norm *X, int N, int K, int spread, int B,
void renormalise_vector(celt_norm *X, int N, opus_val16 gain);
int stereo_itheta(celt_norm *X, celt_norm *Y, int stereo, int N);
int stereo_itheta(const celt_norm *X, const celt_norm *Y, int stereo, int N);
#endif /* VQ_H */