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author | Nils Wallménius <nils@rockbox.org> | 2014-01-19 16:31:59 +0100 |
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committer | Nils Wallménius <nils@rockbox.org> | 2014-07-13 11:12:40 +0200 |
commit | 9b7ec42403073ee887efc531c153e6b1b6c15bab (patch) | |
tree | 07e72fe9d817c65a6fede22955344a870842d5e6 /lib/rbcodec/codecs/libopus/celt/arm/fixed_armv4.h | |
parent | e557951c94c1efa769900257e466900f0ffeb53b (diff) | |
download | rockbox-9b7ec42403073ee887efc531c153e6b1b6c15bab.tar.gz rockbox-9b7ec42403073ee887efc531c153e6b1b6c15bab.zip |
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
Diffstat (limited to 'lib/rbcodec/codecs/libopus/celt/arm/fixed_armv4.h')
-rw-r--r-- | lib/rbcodec/codecs/libopus/celt/arm/fixed_armv4.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libopus/celt/arm/fixed_armv4.h b/lib/rbcodec/codecs/libopus/celt/arm/fixed_armv4.h index b690bc8cea..efb3b1896a 100644 --- a/lib/rbcodec/codecs/libopus/celt/arm/fixed_armv4.h +++ b/lib/rbcodec/codecs/libopus/celt/arm/fixed_armv4.h | |||
@@ -68,6 +68,10 @@ static OPUS_INLINE opus_val32 MULT16_32_Q15_armv4(opus_val16 a, opus_val32 b) | |||
68 | #undef MAC16_32_Q15 | 68 | #undef MAC16_32_Q15 |
69 | #define MAC16_32_Q15(c, a, b) ADD32(c, MULT16_32_Q15(a, b)) | 69 | #define MAC16_32_Q15(c, a, b) ADD32(c, MULT16_32_Q15(a, b)) |
70 | 70 | ||
71 | /** 16x32 multiply, followed by a 16-bit shift right and 32-bit add. | ||
72 | Result fits in 32 bits. */ | ||
73 | #undef MAC16_32_Q16 | ||
74 | #define MAC16_32_Q16(c, a, b) ADD32(c, MULT16_32_Q16(a, b)) | ||
71 | 75 | ||
72 | /** 32x32 multiplication, followed by a 31-bit shift right. Results fits in 32 bits */ | 76 | /** 32x32 multiplication, followed by a 31-bit shift right. Results fits in 32 bits */ |
73 | #undef MULT32_32_Q31 | 77 | #undef MULT32_32_Q31 |