mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-10-29 05:40:27 -04:00
c8d3d475bb
Compile an optimized library for the given CPU with the right flags, then link it with the main library.
110 lines
4.2 KiB
C
110 lines
4.2 KiB
C
/* Spa
|
|
*
|
|
* Copyright © 2018 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 "fmt-ops.h"
|
|
|
|
#include <tmmintrin.h>
|
|
|
|
static void
|
|
conv_s24_to_f32d_4_ssse3(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src, uint32_t n_channels, uint32_t n_samples)
|
|
{
|
|
const uint8_t *s = src;
|
|
float **d = (float **) dst;
|
|
float *d0 = d[0], *d1 = d[1], *d2 = d[2], *d3 = d[3];
|
|
uint32_t n, unrolled;
|
|
__m128i in[4];
|
|
__m128 out[4], factor = _mm_set1_ps(1.0f / S24_SCALE);
|
|
const __m128i mask = _mm_setr_epi8(-1, 0, 1, 2, -1, 3, 4, 5, -1, 6, 7, 8, -1, 9, 10, 11);
|
|
//const __m128i mask = _mm_set_epi8(15, 14, 13, -1, 12, 11, 10, -1, 9, 8, 7, -1, 6, 5, 4, -1);
|
|
|
|
if (SPA_IS_ALIGNED(d0, 16))
|
|
unrolled = n_samples / 4;
|
|
else
|
|
unrolled = 0;
|
|
|
|
for(n = 0; unrolled--; n += 4) {
|
|
in[0] = _mm_loadu_si128((__m128i*)(s + 0*n_channels));
|
|
in[1] = _mm_loadu_si128((__m128i*)(s + 3*n_channels));
|
|
in[2] = _mm_loadu_si128((__m128i*)(s + 6*n_channels));
|
|
in[3] = _mm_loadu_si128((__m128i*)(s + 9*n_channels));
|
|
in[0] = _mm_shuffle_epi8(in[0], mask);
|
|
in[1] = _mm_shuffle_epi8(in[1], mask);
|
|
in[2] = _mm_shuffle_epi8(in[2], mask);
|
|
in[3] = _mm_shuffle_epi8(in[3], mask);
|
|
in[0] = _mm_srai_epi32(in[0], 8);
|
|
in[1] = _mm_srai_epi32(in[1], 8);
|
|
in[2] = _mm_srai_epi32(in[2], 8);
|
|
in[3] = _mm_srai_epi32(in[3], 8);
|
|
out[0] = _mm_cvtepi32_ps(in[0]);
|
|
out[1] = _mm_cvtepi32_ps(in[1]);
|
|
out[2] = _mm_cvtepi32_ps(in[2]);
|
|
out[3] = _mm_cvtepi32_ps(in[3]);
|
|
out[0] = _mm_mul_ps(out[0], factor);
|
|
out[1] = _mm_mul_ps(out[1], factor);
|
|
out[2] = _mm_mul_ps(out[2], factor);
|
|
out[3] = _mm_mul_ps(out[3], factor);
|
|
|
|
_MM_TRANSPOSE4_PS(out[0], out[1], out[2], out[3]);
|
|
|
|
_mm_store_ps(&d0[n], out[0]);
|
|
_mm_store_ps(&d1[n], out[1]);
|
|
_mm_store_ps(&d2[n], out[2]);
|
|
_mm_store_ps(&d3[n], out[3]);
|
|
s += 12 * n_channels;
|
|
}
|
|
for(; n < n_samples; n++) {
|
|
out[0] = _mm_cvtsi32_ss(out[0], read_s24(s));
|
|
out[1] = _mm_cvtsi32_ss(out[1], read_s24(s+3));
|
|
out[2] = _mm_cvtsi32_ss(out[2], read_s24(s+6));
|
|
out[3] = _mm_cvtsi32_ss(out[3], read_s24(s+9));
|
|
out[0] = _mm_mul_ss(out[0], factor);
|
|
out[1] = _mm_mul_ss(out[1], factor);
|
|
out[2] = _mm_mul_ss(out[2], factor);
|
|
out[3] = _mm_mul_ss(out[3], factor);
|
|
_mm_store_ss(&d0[n], out[0]);
|
|
_mm_store_ss(&d1[n], out[1]);
|
|
_mm_store_ss(&d2[n], out[2]);
|
|
_mm_store_ss(&d3[n], out[3]);
|
|
s += 3 * n_channels;
|
|
}
|
|
}
|
|
|
|
extern void conv_s24_to_f32d_2_sse2(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src, uint32_t n_channels, uint32_t n_samples);
|
|
extern void conv_s24_to_f32d_1_sse2(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src, uint32_t n_channels, uint32_t n_samples);
|
|
|
|
void
|
|
conv_s24_to_f32d_ssse3(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src[], uint32_t n_channels, uint32_t n_samples)
|
|
{
|
|
const int8_t *s = src[0];
|
|
uint32_t i = 0;
|
|
|
|
for(; i + 3 < n_channels; i += 4)
|
|
conv_s24_to_f32d_4_ssse3(data, &dst[i], &s[3*i], n_channels, n_samples);
|
|
#if defined (HAVE_SSE2)
|
|
for(; i + 1 < n_channels; i += 2)
|
|
conv_s24_to_f32d_2_sse2(data, &dst[i], &s[3*i], n_channels, n_samples);
|
|
for(; i < n_channels; i++)
|
|
conv_s24_to_f32d_1_sse2(data, &dst[i], &s[3*i], n_channels, n_samples);
|
|
#endif
|
|
}
|