mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-03 09:01:54 -05:00
c8d3d475bb
Compile an optimized library for the given CPU with the right flags, then link it with the main library.
115 lines
3.5 KiB
C
115 lines
3.5 KiB
C
/* Spa
|
|
*
|
|
* Copyright © 2019 Wim Taymans
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include "resample-native-impl.h"
|
|
|
|
#include <tmmintrin.h>
|
|
|
|
static void inner_product_ssse3(float *d, const float * SPA_RESTRICT s,
|
|
const float * SPA_RESTRICT taps, uint32_t n_taps)
|
|
{
|
|
__m128 sum = _mm_setzero_ps();
|
|
__m128 t0, t1;
|
|
uint32_t i;
|
|
|
|
switch (SPA_PTR_ALIGNMENT(s, 16)) {
|
|
case 0:
|
|
for (i = 0; i < n_taps; i += 8) {
|
|
sum = _mm_add_ps(sum,
|
|
_mm_mul_ps(
|
|
_mm_load_ps(s + i + 0),
|
|
_mm_load_ps(taps + i + 0)));
|
|
sum = _mm_add_ps(sum,
|
|
_mm_mul_ps(
|
|
_mm_load_ps(s + i + 4),
|
|
_mm_load_ps(taps + i + 4)));
|
|
}
|
|
break;
|
|
case 4:
|
|
t0 = _mm_load_ps(s - 1);
|
|
for (i = 0; i < n_taps; i += 8) {
|
|
t1 = _mm_load_ps(s + i + 3);
|
|
t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 4);
|
|
sum = _mm_add_ps(sum,
|
|
_mm_mul_ps(t0, _mm_load_ps(taps + i + 0)));
|
|
t0 = t1;
|
|
t1 = _mm_load_ps(s + i + 7);
|
|
t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 4);
|
|
sum = _mm_add_ps(sum,
|
|
_mm_mul_ps(t0, _mm_load_ps(taps + i + 4)));
|
|
t0 = t1;
|
|
}
|
|
break;
|
|
case 8:
|
|
t0 = _mm_load_ps(s - 2);
|
|
for (i = 0; i < n_taps; i += 8) {
|
|
t1 = _mm_load_ps(s + i + 2);
|
|
t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 8);
|
|
sum = _mm_add_ps(sum,
|
|
_mm_mul_ps(t0, _mm_load_ps(taps + i + 0)));
|
|
t0 = t1;
|
|
t1 = _mm_load_ps(s + i + 6);
|
|
t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 8);
|
|
sum = _mm_add_ps(sum,
|
|
_mm_mul_ps(t0, _mm_load_ps(taps + i + 4)));
|
|
t0 = t1;
|
|
}
|
|
break;
|
|
case 12:
|
|
t0 = _mm_load_ps(s - 3);
|
|
for (i = 0; i < n_taps; i += 8) {
|
|
t1 = _mm_load_ps(s + i + 1);
|
|
t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 12);
|
|
sum = _mm_add_ps(sum,
|
|
_mm_mul_ps(t0, _mm_load_ps(taps + i + 0)));
|
|
t0 = t1;
|
|
t1 = _mm_load_ps(s + i + 5);
|
|
t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 12);
|
|
sum = _mm_add_ps(sum,
|
|
_mm_mul_ps(t0, _mm_load_ps(taps + i + 4)));
|
|
t0 = t1;
|
|
}
|
|
break;
|
|
}
|
|
sum = _mm_add_ps(sum, _mm_movehdup_ps(sum));
|
|
sum = _mm_add_ss(sum, _mm_movehl_ps(sum, sum));
|
|
_mm_store_ss(d, sum);
|
|
}
|
|
|
|
static void inner_product_ip_ssse3(float *d, const float * SPA_RESTRICT s,
|
|
const float * SPA_RESTRICT t0, const float * SPA_RESTRICT t1, float x,
|
|
uint32_t n_taps)
|
|
{
|
|
float sum[2] = { 0.0f, 0.0f };
|
|
uint32_t i;
|
|
|
|
for (i = 0; i < n_taps; i++) {
|
|
sum[0] += s[i] * t0[i];
|
|
sum[1] += s[i] * t1[i];
|
|
}
|
|
*d = (sum[1] - sum[0]) * x + sum[0];
|
|
}
|
|
|
|
MAKE_RESAMPLER_FULL(ssse3);
|
|
MAKE_RESAMPLER_INTER(ssse3);
|