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(sinc resampler) style nits

This commit is contained in:
libretroadmin 2025-07-20 09:37:15 +02:00
parent 99fe15be46
commit dc9ffcce66
1 changed files with 335 additions and 350 deletions
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33
libretro-common/audio/resampler/drivers/sinc_resampler.c
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@ -111,6 +111,7 @@ static void resampler_sinc_process_neon_kaiser(void *re_, struct resampler_data
size_t frames = data->input_frames; size_t frames = data->input_frames;
size_t out_frames = 0; size_t out_frames = 0;
unsigned taps = resamp->taps; unsigned taps = resamp->taps;
while (frames) while (frames)
{ {
while (frames && resamp->time >= phases) while (frames && resamp->time >= phases)
@ -135,11 +136,11 @@ static void resampler_sinc_process_neon_kaiser(void *re_, struct resampler_data
const float *buffer_r = resamp->buffer_r + resamp->ptr; const float *buffer_r = resamp->buffer_r + resamp->ptr;
while (resamp->time < phases) while (resamp->time < phases)
{ {
int i;
unsigned phase = resamp->time >> resamp->subphase_bits; unsigned phase = resamp->time >> resamp->subphase_bits;
const float *phase_table = resamp->phase_table + phase * taps * 2; const float *phase_table = resamp->phase_table + phase * taps * 2;
const float *delta_table = phase_table + taps; const float *delta_table = phase_table + taps;
float32x4_t delta = vdupq_n_f32((resamp->time & resamp->subphase_mask) * resamp->subphase_mod); float32x4_t delta = vdupq_n_f32((resamp->time & resamp->subphase_mask) * resamp->subphase_mod);
int i;
float32x4_t p1 = {0, 0, 0, 0}, p2 = {0, 0, 0, 0}; float32x4_t p1 = {0, 0, 0, 0}, p2 = {0, 0, 0, 0};
float32x2_t p3, p4; float32x2_t p3, p4;
@ -258,7 +259,6 @@ static void resampler_sinc_process_avx_kaiser(void *re_, struct resampler_data *
size_t out_frames = 0; size_t out_frames = 0;
unsigned taps = resamp->taps; unsigned taps = resamp->taps;
{
while (frames) while (frames)
{ {
while (frames && resamp->time >= phases) while (frames && resamp->time >= phases)
@ -284,13 +284,12 @@ static void resampler_sinc_process_avx_kaiser(void *re_, struct resampler_data *
while (resamp->time < phases) while (resamp->time < phases)
{ {
int i; int i;
__m256 res_l, res_r;
unsigned phase = resamp->time >> resamp->subphase_bits; unsigned phase = resamp->time >> resamp->subphase_bits;
float *phase_table = resamp->phase_table + phase * taps * 2; float *phase_table = resamp->phase_table + phase * taps * 2;
float *delta_table = phase_table + taps; float *delta_table = phase_table + taps;
__m256 delta = _mm256_set1_ps((float) __m256 delta = _mm256_set1_ps((float)
(resamp->time & resamp->subphase_mask) * resamp->subphase_mod); (resamp->time & resamp->subphase_mask) * resamp->subphase_mod);
__m256 sum_l = _mm256_setzero_ps(); __m256 sum_l = _mm256_setzero_ps();
__m256 sum_r = _mm256_setzero_ps(); __m256 sum_r = _mm256_setzero_ps();
@ -308,8 +307,8 @@ static void resampler_sinc_process_avx_kaiser(void *re_, struct resampler_data *
/* hadd on AVX is weird, and acts on low-lanes /* hadd on AVX is weird, and acts on low-lanes
* and high-lanes separately. */ * and high-lanes separately. */
__m256 res_l = _mm256_hadd_ps(sum_l, sum_l); res_l = _mm256_hadd_ps(sum_l, sum_l);
__m256 res_r = _mm256_hadd_ps(sum_r, sum_r); res_r = _mm256_hadd_ps(sum_r, sum_r);
res_l = _mm256_hadd_ps(res_l, res_l); res_l = _mm256_hadd_ps(res_l, res_l);
res_r = _mm256_hadd_ps(res_r, res_r); res_r = _mm256_hadd_ps(res_r, res_r);
res_l = _mm256_add_ps(_mm256_permute2f128_ps(res_l, res_l, 1), res_l); res_l = _mm256_add_ps(_mm256_permute2f128_ps(res_l, res_l, 1), res_l);
@ -326,7 +325,6 @@ static void resampler_sinc_process_avx_kaiser(void *re_, struct resampler_data *
} }
} }
} }
}
data->output_frames = out_frames; data->output_frames = out_frames;
} }
@ -343,7 +341,6 @@ static void resampler_sinc_process_avx(void *re_, struct resampler_data *data)
size_t out_frames = 0; size_t out_frames = 0;
unsigned taps = resamp->taps; unsigned taps = resamp->taps;
{
while (frames) while (frames)
{ {
while (frames && resamp->time >= phases) while (frames && resamp->time >= phases)
@ -369,7 +366,7 @@ static void resampler_sinc_process_avx(void *re_, struct resampler_data *data)
while (resamp->time < phases) while (resamp->time < phases)
{ {
int i; int i;
__m256 delta; __m256 delta, res_l, res_r;
unsigned phase = resamp->time >> resamp->subphase_bits; unsigned phase = resamp->time >> resamp->subphase_bits;
float *phase_table = resamp->phase_table + phase * taps; float *phase_table = resamp->phase_table + phase * taps;
@ -388,8 +385,8 @@ static void resampler_sinc_process_avx(void *re_, struct resampler_data *data)
/* hadd on AVX is weird, and acts on low-lanes /* hadd on AVX is weird, and acts on low-lanes
* and high-lanes separately. */ * and high-lanes separately. */
__m256 res_l = _mm256_hadd_ps(sum_l, sum_l); res_l = _mm256_hadd_ps(sum_l, sum_l);
__m256 res_r = _mm256_hadd_ps(sum_r, sum_r); res_r = _mm256_hadd_ps(sum_r, sum_r);
res_l = _mm256_hadd_ps(res_l, res_l); res_l = _mm256_hadd_ps(res_l, res_l);
res_r = _mm256_hadd_ps(res_r, res_r); res_r = _mm256_hadd_ps(res_r, res_r);
res_l = _mm256_add_ps(_mm256_permute2f128_ps(res_l, res_l, 1), res_l); res_l = _mm256_add_ps(_mm256_permute2f128_ps(res_l, res_l, 1), res_l);
@ -406,7 +403,6 @@ static void resampler_sinc_process_avx(void *re_, struct resampler_data *data)
} }
} }
} }
}
data->output_frames = out_frames; data->output_frames = out_frames;
} }
@ -425,7 +421,6 @@ static void resampler_sinc_process_sse_kaiser(void *re_, struct resampler_data *
size_t out_frames = 0; size_t out_frames = 0;
unsigned taps = resamp->taps; unsigned taps = resamp->taps;
{
while (frames) while (frames)
{ {
while (frames && resamp->time >= phases) while (frames && resamp->time >= phases)
@ -503,7 +498,6 @@ static void resampler_sinc_process_sse_kaiser(void *re_, struct resampler_data *
} }
} }
} }
}
data->output_frames = out_frames; data->output_frames = out_frames;
} }
@ -520,7 +514,6 @@ static void resampler_sinc_process_sse(void *re_, struct resampler_data *data)
size_t out_frames = 0; size_t out_frames = 0;
unsigned taps = resamp->taps; unsigned taps = resamp->taps;
{
while (frames) while (frames)
{ {
while (frames && resamp->time >= phases) while (frames && resamp->time >= phases)
@ -593,7 +586,6 @@ static void resampler_sinc_process_sse(void *re_, struct resampler_data *data)
} }
} }
} }
}
data->output_frames = out_frames; data->output_frames = out_frames;
} }
@ -611,7 +603,6 @@ static void resampler_sinc_process_c_kaiser(void *re_, struct resampler_data *da
size_t out_frames = 0; size_t out_frames = 0;
unsigned taps = resamp->taps; unsigned taps = resamp->taps;
{
while (frames) while (frames)
{ {
while (frames && resamp->time >= phases) while (frames && resamp->time >= phases)
@ -661,8 +652,6 @@ static void resampler_sinc_process_c_kaiser(void *re_, struct resampler_data *da
resamp->time += ratio; resamp->time += ratio;
} }
} }
}
} }
data->output_frames = out_frames; data->output_frames = out_frames;
@ -680,7 +669,6 @@ static void resampler_sinc_process_c(void *re_, struct resampler_data *data)
size_t out_frames = 0; size_t out_frames = 0;
unsigned taps = resamp->taps; unsigned taps = resamp->taps;
{
while (frames) while (frames)
{ {
while (frames && resamp->time >= phases) while (frames && resamp->time >= phases)
@ -727,8 +715,6 @@ static void resampler_sinc_process_c(void *re_, struct resampler_data *data)
resamp->time += ratio; resamp->time += ratio;
} }
} }
}
} }
data->output_frames = out_frames; data->output_frames = out_frames;
@ -774,7 +760,6 @@ static void sinc_init_table_kaiser(rarch_sinc_resampler_t *resamp,
{ {
int phase; int phase;
int p; int p;
for (p = 0; p < phases - 1; p++) for (p = 0; p < phases - 1; p++)
{ {
for (j = 0; j < taps; j++) for (j = 0; j < taps; j++)
@ -832,8 +817,8 @@ static void sinc_init_table_lanczos(
if (calculate_delta) if (calculate_delta)
{ {
int phase;
int p; int p;
int phase;
for (p = 0; p < phases - 1; p++) for (p = 0; p < phases - 1; p++)
{ {