From 9b7ec42403073ee887efc531c153e6b1b6c15bab Mon Sep 17 00:00:00 2001 From: Nils Wallménius Date: Sun, 19 Jan 2014 16:31:59 +0100 Subject: Sync to upstream libopus 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 --- lib/rbcodec/codecs/libopus/celt/rate.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'lib/rbcodec/codecs/libopus/celt/rate.c') diff --git a/lib/rbcodec/codecs/libopus/celt/rate.c b/lib/rbcodec/codecs/libopus/celt/rate.c index e13d839d63..f85c3ee63c 100644 --- a/lib/rbcodec/codecs/libopus/celt/rate.c +++ b/lib/rbcodec/codecs/libopus/celt/rate.c @@ -333,7 +333,7 @@ static OPUS_INLINE int interp_bits2pulses(const CELTMode *m, int start, int end, /*Figure out how many left-over bits we would be adding to this band. This can include bits we've stolen back from higher, skipped bands.*/ left = total-psum; - percoeff = left/(m->eBands[codedBands]-m->eBands[start]); + percoeff = celt_udiv(left, m->eBands[codedBands]-m->eBands[start]); left -= (m->eBands[codedBands]-m->eBands[start])*percoeff; rem = IMAX(left-(m->eBands[j]-m->eBands[start]),0); band_width = m->eBands[codedBands]-m->eBands[j]; @@ -414,7 +414,7 @@ static OPUS_INLINE int interp_bits2pulses(const CELTMode *m, int start, int end, /* Allocate the remaining bits */ left = total-psum; - percoeff = left/(m->eBands[codedBands]-m->eBands[start]); + percoeff = celt_udiv(left, m->eBands[codedBands]-m->eBands[start]); left -= (m->eBands[codedBands]-m->eBands[start])*percoeff; for (j=start;jeBands[j+1]-m->eBands[j])); @@ -465,7 +465,8 @@ static OPUS_INLINE int interp_bits2pulses(const CELTMode *m, int start, int end, offset += NClogN>>3; /* Divide with rounding */ - ebits[j] = IMAX(0, (bits[j] + offset + (den<<(BITRES-1))) / (den<>BITRES; /* Make sure not to bust */ if (C*ebits[j] > (bits[j]>>BITRES)) -- cgit v1.2.3