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mixer: Move floatmix to the audio mixer plugin

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Move floatmix to the audiomixer plugin and change the name to
AUDIO_MIXER_DSP.
Add runtime selectable sse and sse2 optimizations.
Load the port mixer plugin dynamically based on the factory_name.
Add some more debug
This commit is contained in:
Wim Taymans 2019-10-03 16:20:12 +02:00
parent 27eabede35
commit 0ecbe4844e
13 changed files with 482 additions and 404 deletions
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89
spa/plugins/audiomixer/mix-ops-sse.c Normal file
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/* 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 <string.h>
#include <stdio.h>
#include <math.h>
#include <spa/utils/defs.h>
#include "mix-ops.h"
#include <xmmintrin.h>
static inline void mix_2(float * dst, const float * SPA_RESTRICT src, uint32_t n_samples)
{
uint32_t n, unrolled;
__m128 in1[4], in2[4];
if (SPA_IS_ALIGNED(src, 16) &&
SPA_IS_ALIGNED(dst, 16))
unrolled = n_samples & ~15;
else
unrolled = 0;
for (n = 0; n < unrolled; n += 16) {
in1[0] = _mm_load_ps(&dst[n+ 0]);
in1[1] = _mm_load_ps(&dst[n+ 4]);
in1[2] = _mm_load_ps(&dst[n+ 8]);
in1[3] = _mm_load_ps(&dst[n+12]);
in2[0] = _mm_load_ps(&src[n+ 0]);
in2[1] = _mm_load_ps(&src[n+ 4]);
in2[2] = _mm_load_ps(&src[n+ 8]);
in2[3] = _mm_load_ps(&src[n+12]);
in1[0] = _mm_add_ps(in1[0], in2[0]);
in1[1] = _mm_add_ps(in1[1], in2[1]);
in1[2] = _mm_add_ps(in1[2], in2[2]);
in1[3] = _mm_add_ps(in1[3], in2[3]);
_mm_store_ps(&dst[n+ 0], in1[0]);
_mm_store_ps(&dst[n+ 4], in1[1]);
_mm_store_ps(&dst[n+ 8], in1[2]);
_mm_store_ps(&dst[n+12], in1[3]);
}
for (; n < n_samples; n++) {
in1[0] = _mm_load_ss(&dst[n]),
in2[0] = _mm_load_ss(&src[n]),
in1[0] = _mm_add_ss(in1[0], in2[0]);
_mm_store_ss(&dst[n], in1[0]);
}
}
void
mix_f32_sse(struct mix_ops *ops, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
uint32_t n_src, uint32_t n_samples)
{
uint32_t i;
if (n_src == 0)
memset(dst, 0, n_samples * sizeof(float));
else if (dst != src[0])
memcpy(dst, src[0], n_samples * sizeof(float));
for (i = 1; i < n_src; i++) {
mix_2(dst, src[i], n_samples);
}
}