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Add some basic SINC profiles.

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This commit is contained in:
Themaister 2013-02-07 07:22:33 +01:00
parent a145e4f451
commit b2226de89d
2 changed files with 16 additions and 3 deletions
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2
audio/hermite.c
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@ -53,7 +53,9 @@ static inline float hermite_kernel(float mu1, float a, float b, float c, float d
rarch_resampler_t *resampler_new(void) rarch_resampler_t *resampler_new(void)
{ {
#ifndef RESAMPLER_TEST
RARCH_LOG("Hermite resampler [C]\n"); RARCH_LOG("Hermite resampler [C]\n");
#endif
return (rarch_resampler_t*)calloc(1, sizeof(rarch_resampler_t)); return (rarch_resampler_t*)calloc(1, sizeof(rarch_resampler_t));
} }

17
audio/sinc.c
View File

@ -33,21 +33,32 @@
#include <xmmintrin.h> #include <xmmintrin.h>
#endif #endif
#ifdef SINC_LOWER_QUALITY
#define PHASE_BITS 12
#define SIDELOBES 4
#define ENABLE_AVX 0
#elif defined(SINC_HIGHER_QUALITY)
#define PHASE_BITS 16
#define SIDELOBES 32
#define ENABLE_AVX 1
#else
#define PHASE_BITS 16
#define SIDELOBES 8
#define ENABLE_AVX 0
#endif
// For the little amount of taps we're using, // For the little amount of taps we're using,
// SSE1 is faster than AVX for some reason. // SSE1 is faster than AVX for some reason.
// AVX code is kept here though as by increasing number // AVX code is kept here though as by increasing number
// of sinc taps, the AVX code is clearly faster than SSE1. // of sinc taps, the AVX code is clearly faster than SSE1.
#define ENABLE_AVX 0
#if defined(__AVX__) && ENABLE_AVX #if defined(__AVX__) && ENABLE_AVX
#include <immintrin.h> #include <immintrin.h>
#endif #endif
#define PHASE_BITS 16
#define SUBPHASE_BITS 10 #define SUBPHASE_BITS 10
#define PHASES (1 << (PHASE_BITS + SUBPHASE_BITS)) #define PHASES (1 << (PHASE_BITS + SUBPHASE_BITS))
#define SIDELOBES 8
#define TAPS (SIDELOBES * 2) #define TAPS (SIDELOBES * 2)
#define CUTOFF 0.98 #define CUTOFF 0.98