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-rw-r--r--OpenAL32/Include/alMain.h1
-rw-r--r--OpenAL32/Include/alu.h13
-rw-r--r--OpenAL32/alSource.c2
3 files changed, 14 insertions, 2 deletions
diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h
index 7d508721..9703a9cf 100644
--- a/OpenAL32/Include/alMain.h
+++ b/OpenAL32/Include/alMain.h
@@ -529,6 +529,7 @@ enum Resampler {
PointResampler,
LinearResampler,
FIR4Resampler,
+ FIR6Resampler,
ResamplerMax,
};
diff --git a/OpenAL32/Include/alu.h b/OpenAL32/Include/alu.h
index 16b3e1ab..c37ebb9f 100644
--- a/OpenAL32/Include/alu.h
+++ b/OpenAL32/Include/alu.h
@@ -202,7 +202,11 @@ inline ALuint64 clampu64(ALuint64 val, ALuint64 min, ALuint64 max)
{ return minu64(max, maxu64(min, val)); }
-extern alignas(16) ALfloat ResampleCoeffs[FRACTIONONE][4];
+union ResamplerCoeffs {
+ ALfloat FIR4[FRACTIONONE][4];
+ ALfloat FIR6[FRACTIONONE][6];
+};
+extern alignas(16) union ResamplerCoeffs ResampleCoeffs;
inline ALfloat lerp(ALfloat val1, ALfloat val2, ALfloat mu)
@@ -211,9 +215,14 @@ 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[frac];
+ const ALfloat *k = ResampleCoeffs.FIR4[frac];
return k[0]*val0 + k[1]*val1 + k[2]*val2 + k[3]*val3;
}
+inline ALfloat resample_fir6(ALfloat val0, ALfloat val1, ALfloat val2, ALfloat val3, ALfloat val4, ALfloat val5, ALuint frac)
+{
+ const ALfloat *k = ResampleCoeffs.FIR6[frac];
+ return k[0]*val0 + k[1]*val1 + k[2]*val2 + k[3]*val3 + k[4]*val4 + k[5]*val5;
+}
void aluInitMixer(void);
diff --git a/OpenAL32/alSource.c b/OpenAL32/alSource.c
index aff82b5f..24e5874d 100644
--- a/OpenAL32/alSource.c
+++ b/OpenAL32/alSource.c
@@ -43,11 +43,13 @@ const ALsizei ResamplerPadding[ResamplerMax] = {
0, /* Point */
1, /* Linear */
2, /* FIR4 */
+ 3, /* FIR6 */
};
const ALsizei ResamplerPrePadding[ResamplerMax] = {
0, /* Point */
0, /* Linear */
1, /* FIR4 */
+ 2, /* FIR6 */
};