Implement a band-limited sinc resampler

This is essentially a 12-point sinc resampler, unless it's resampling to a rate
higher than the output, at which point it will vary between 12 and 24 points
and do anti-aliasing to avoid/reduce frequencies going over nyquist.

Code provided by Christopher Fitzgerald.

1 files changed, 3 insertions, 3 deletions

diff --git a/Alc/mixer_sse41.c b/Alc/mixer_sse41.c
index 59b99b2b..e832e5df 100644
--- a/Alc/mixer_sse41.c
+++ b/Alc/mixer_sse41.c
@@ -28,7 +28,7 @@
 #include "mixer_defs.h"
 
 
-const ALfloat *Resample_lerp32_SSE41(const ALfloat *src, ALuint frac, ALuint increment,
+const ALfloat *Resample_lerp32_SSE41(const BsincState* UNUSED(state), const ALfloat *src, ALuint frac, ALuint increment,
                                      ALfloat *restrict dst, ALuint numsamples)
 {
     const __m128i increment4 = _mm_set1_epi32(increment*4);
@@ -84,7 +84,7 @@ const ALfloat *Resample_lerp32_SSE41(const ALfloat *src, ALuint frac, ALuint inc
     return dst;
 }
 
-const ALfloat *Resample_fir4_32_SSE41(const ALfloat *src, ALuint frac, ALuint increment,
+const ALfloat *Resample_fir4_32_SSE41(const BsincState* UNUSED(state), const ALfloat *src, ALuint frac, ALuint increment,
                                       ALfloat *restrict dst, ALuint numsamples)
 {
     const __m128i increment4 = _mm_set1_epi32(increment*4);
@@ -151,7 +151,7 @@ const ALfloat *Resample_fir4_32_SSE41(const ALfloat *src, ALuint frac, ALuint in
     return dst;
 }
 
-const ALfloat *Resample_fir8_32_SSE41(const ALfloat *src, ALuint frac, ALuint increment,
+const ALfloat *Resample_fir8_32_SSE41(const BsincState* UNUSED(state), const ALfloat *src, ALuint frac, ALuint increment,
                                       ALfloat *restrict dst, ALuint numsamples)
 {
     const __m128i increment4 = _mm_set1_epi32(increment*4);