Replace the sinc4 resampler with cubic

Turns out the C version of the cubic resampler is just slightly faster than
even the SSE3 version of the FIR4 resampler. This is likely due to not using a
64KB random-access lookup table along with unaligned loads, both offseting the
gains from SSE.

1 files changed, 0 insertions, 2 deletions

diff --git a/Alc/ALu.c b/Alc/ALu.c
index 5f0c556a..1964e6c7 100644
--- a/Alc/ALu.c
+++ b/Alc/ALu.c
@@ -69,8 +69,6 @@ extern inline ALuint64 maxu64(ALuint64 a, ALuint64 b);
 extern inline ALuint64 clampu64(ALuint64 val, ALuint64 min, ALuint64 max);
 
 extern inline ALfloat lerp(ALfloat val1, ALfloat val2, ALfloat mu);
-extern inline ALfloat resample_fir4(ALfloat val0, ALfloat val1, ALfloat val2, ALfloat val3,
-                                    const ALfloat *restrict filter);
 
 extern inline void aluVectorSet(aluVector *restrict vector, ALfloat x, ALfloat y, ALfloat z, ALfloat w);