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(sinc_resampler.c) More cleanups

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This commit is contained in:
twinaphex 2017-01-30 19:10:52 +01:00
parent 26ebdb1056
commit 7a02876999
1 changed files with 6 additions and 14 deletions
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20
libretro-common/audio/resampler/drivers/sinc_resampler.c
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@ -177,17 +177,19 @@ static void resampler_sinc_process(void *re_, struct resampler_data *data)
const float *buffer_r = resamp->buffer_r + resamp->ptr; const float *buffer_r = resamp->buffer_r + resamp->ptr;
unsigned taps = resamp->taps; unsigned taps = resamp->taps;
unsigned phase = resamp->time >> SUBPHASE_BITS; unsigned phase = resamp->time >> SUBPHASE_BITS;
#if SINC_COEFF_LERP
const float *phase_table = resamp->phase_table + phase * taps * 2;
const float *delta_table = phase_table + taps;
#else
const float *phase_table = resamp->phase_table + phase * taps;
#endif
#if defined(__AVX__) && ENABLE_AVX #if defined(__AVX__) && ENABLE_AVX
__m256 sum_l = _mm256_setzero_ps(); __m256 sum_l = _mm256_setzero_ps();
__m256 sum_r = _mm256_setzero_ps(); __m256 sum_r = _mm256_setzero_ps();
#if SINC_COEFF_LERP #if SINC_COEFF_LERP
const float *phase_table = resamp->phase_table + phase * taps * 2;
const float *delta_table = phase_table + taps;
__m256 delta = _mm256_set1_ps((float) __m256 delta = _mm256_set1_ps((float)
(resamp->time & SUBPHASE_MASK) * SUBPHASE_MOD); (resamp->time & SUBPHASE_MASK) * SUBPHASE_MOD);
#else
const float *phase_table = resamp->phase_table + phase * taps;
#endif #endif
for (i = 0; i < taps; i += 8) for (i = 0; i < taps; i += 8)
@ -224,12 +226,8 @@ static void resampler_sinc_process(void *re_, struct resampler_data *data)
__m128 sum_l = _mm_setzero_ps(); __m128 sum_l = _mm_setzero_ps();
__m128 sum_r = _mm_setzero_ps(); __m128 sum_r = _mm_setzero_ps();
#if SINC_COEFF_LERP #if SINC_COEFF_LERP
const float *phase_table = resamp->phase_table + phase * taps * 2;
const float *delta_table = phase_table + taps;
__m128 delta = _mm_set1_ps((float) __m128 delta = _mm_set1_ps((float)
(resamp->time & SUBPHASE_MASK) * SUBPHASE_MOD); (resamp->time & SUBPHASE_MASK) * SUBPHASE_MOD);
#else
const float *phase_table = resamp->phase_table + phase * taps;
#endif #endif
for (i = 0; i < taps; i += 4) for (i = 0; i < taps; i += 4)
@ -275,8 +273,6 @@ static void resampler_sinc_process(void *re_, struct resampler_data *data)
#elif defined(__ARM_NEON__) #elif defined(__ARM_NEON__)
if (resamp->neon_enabled) if (resamp->neon_enabled)
{ {
const float *phase_table = resamp->phase_table + phase * taps;
process_sinc_neon_asm(output, buffer_l, buffer_r, phase_table, taps); process_sinc_neon_asm(output, buffer_l, buffer_r, phase_table, taps);
output += 2; output += 2;
@ -290,12 +286,8 @@ static void resampler_sinc_process(void *re_, struct resampler_data *data)
float sum_l = 0.0f; float sum_l = 0.0f;
float sum_r = 0.0f; float sum_r = 0.0f;
#if SINC_COEFF_LERP #if SINC_COEFF_LERP
const float *phase_table = resamp->phase_table + phase * taps * 2;
const float *delta_table = phase_table + taps;
float delta = (float) float delta = (float)
(resamp->time & SUBPHASE_MASK) * SUBPHASE_MOD; (resamp->time & SUBPHASE_MASK) * SUBPHASE_MOD;
#else
const float *phase_table = resamp->phase_table + phase * taps;
#endif #endif
for (i = 0; i < taps; i++) for (i = 0; i < taps; i++)