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authorChris Robinson <[email protected]>2017-02-19 14:36:06 -0800
committerChris Robinson <[email protected]>2017-02-19 16:45:17 -0800
commitd45dd9c668b2f4331492600d8ff99dc20c068664 (patch)
tree346dc9091703a7f3c5c76b73e4dc10874b0dc814 /OpenAL32
parent247f56249ade334f8f7ef9eda9c380af0278562f (diff)
Remove the sinc8 resampler option
Perf shows less than 1 percent CPU difference from the higher quality bsinc resampler, but uses almost twice as much memory (a 128KB lookup table).
Diffstat (limited to 'OpenAL32')
-rw-r--r--OpenAL32/Include/alu.h14
1 files changed, 2 insertions, 12 deletions
diff --git a/OpenAL32/Include/alu.h b/OpenAL32/Include/alu.h
index c3c7a20c..c9f8760e 100644
--- a/OpenAL32/Include/alu.h
+++ b/OpenAL32/Include/alu.h
@@ -229,11 +229,7 @@ inline ALuint64 clampu64(ALuint64 val, ALuint64 min, ALuint64 max)
{ return minu64(max, maxu64(min, val)); }
-union ResamplerCoeffs {
- ALfloat FIR4[FRACTIONONE][4];
- ALfloat FIR8[FRACTIONONE][8];
-};
-extern alignas(16) union ResamplerCoeffs ResampleCoeffs;
+extern alignas(16) ALfloat ResampleCoeffs_FIR4[FRACTIONONE][4];
extern alignas(16) const ALfloat bsincTab[18840];
@@ -244,15 +240,9 @@ inline ALfloat lerp(ALfloat val1, ALfloat val2, ALfloat mu)
}
inline ALfloat resample_fir4(ALfloat val0, ALfloat val1, ALfloat val2, ALfloat val3, ALuint frac)
{
- const ALfloat *k = ResampleCoeffs.FIR4[frac];
+ const ALfloat *k = ResampleCoeffs_FIR4[frac];
return k[0]*val0 + k[1]*val1 + k[2]*val2 + k[3]*val3;
}
-inline ALfloat resample_fir8(ALfloat val0, ALfloat val1, ALfloat val2, ALfloat val3, ALfloat val4, ALfloat val5, ALfloat val6, ALfloat val7, ALuint frac)
-{
- const ALfloat *k = ResampleCoeffs.FIR8[frac];
- return k[0]*val0 + k[1]*val1 + k[2]*val2 + k[3]*val3 +
- k[4]*val4 + k[5]*val5 + k[6]*val6 + k[7]*val7;
-}
enum HrtfRequestMode {