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9a7cbeea83
When we have no channel layout, just copy input to output channel. Optimize this case in the mixer implementation.
480 lines
15 KiB
C
480 lines
15 KiB
C
/* Spa
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*
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* Copyright © 2018 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "channelmix-ops.h"
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void
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channelmix_copy_c(struct channelmix *mix, uint32_t n_dst, void * SPA_RESTRICT dst[n_dst],
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uint32_t n_src, const void * SPA_RESTRICT src[n_src], uint32_t n_samples)
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{
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uint32_t i, n;
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float **d = (float **)dst;
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const float **s = (const float **)src;
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if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_ZERO)) {
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for (i = 0; i < n_dst; i++)
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memset(d[i], 0, n_samples * sizeof(float));
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}
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else if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_IDENTITY)) {
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for (i = 0; i < n_dst; i++)
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spa_memcpy(d[i], s[i], n_samples * sizeof(float));
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}
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else {
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for (i = 0; i < n_dst; i++) {
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for (n = 0; n < n_samples; n++)
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d[i][n] = s[i][n] * mix->matrix[i][i];
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}
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}
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}
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#define _M(ch) (1UL << SPA_AUDIO_CHANNEL_ ## ch)
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void
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channelmix_f32_n_m_c(struct channelmix *mix, uint32_t n_dst, void * SPA_RESTRICT dst[n_dst],
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uint32_t n_src, const void * SPA_RESTRICT src[n_src], uint32_t n_samples)
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{
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uint32_t i, j, n;
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float **d = (float **) dst;
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const float **s = (const float **) src;
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if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_ZERO)) {
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for (i = 0; i < n_dst; i++)
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memset(d[i], 0, n_samples * sizeof(float));
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}
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else if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_COPY)) {
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uint32_t copy = SPA_MIN(n_dst, n_src);
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for (i = 0; i < copy; i++)
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spa_memcpy(d[i], s[i], n_samples * sizeof(float));
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for (; i < n_dst; i++)
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memset(d[i], 0, n_samples * sizeof(float));
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}
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else {
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for (n = 0; n < n_samples; n++) {
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for (i = 0; i < n_dst; i++) {
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float sum = 0.0f;
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for (j = 0; j < n_src; j++)
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sum += s[j][n] * mix->matrix[i][j];
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d[i][n] = sum;
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}
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}
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}
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}
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#define MASK_MONO _M(FC)|_M(MONO)|_M(UNKNOWN)
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#define MASK_STEREO _M(FL)|_M(FR)|_M(UNKNOWN)
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void
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channelmix_f32_1_2_c(struct channelmix *mix, uint32_t n_dst, void * SPA_RESTRICT dst[n_dst],
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uint32_t n_src, const void * SPA_RESTRICT src[n_src], uint32_t n_samples)
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{
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uint32_t n;
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float **d = (float **)dst;
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const float **s = (const float **)src;
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const float v0 = mix->matrix[0][0];
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const float v1 = mix->matrix[1][0];
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if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_ZERO)) {
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memset(d[0], 0, n_samples * sizeof(float));
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memset(d[1], 0, n_samples * sizeof(float));
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} else if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_EQUAL)) {
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if (v0 == 1.0f) {
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for (n = 0; n < n_samples; n++)
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d[0][n] = d[1][n] = s[0][n];
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} else {
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for (n = 0; n < n_samples; n++)
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d[0][n] = d[1][n] = s[0][n] * v0;
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}
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} else {
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for (n = 0; n < n_samples; n++) {
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d[0][n] = s[0][n] * v0;
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d[1][n] = s[0][n] * v1;
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}
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}
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}
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void
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channelmix_f32_2_1_c(struct channelmix *mix, uint32_t n_dst, void * SPA_RESTRICT dst[n_dst],
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uint32_t n_src, const void * SPA_RESTRICT src[n_src], uint32_t n_samples)
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{
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uint32_t n;
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float **d = (float **)dst;
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const float **s = (const float **)src;
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const float v0 = mix->matrix[0][0];
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const float v1 = mix->matrix[0][1];
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if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_ZERO)) {
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memset(d[0], 0, n_samples * sizeof(float));
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} else if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_EQUAL)) {
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for (n = 0; n < n_samples; n++)
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d[0][n] = (s[0][n] + s[1][n]) * v0;
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}
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else {
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for (n = 0; n < n_samples; n++)
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d[0][n] = s[0][n] * v0 + s[1][n] * v1;
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}
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}
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void
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channelmix_f32_4_1_c(struct channelmix *mix, uint32_t n_dst, void * SPA_RESTRICT dst[n_dst],
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uint32_t n_src, const void * SPA_RESTRICT src[n_src], uint32_t n_samples)
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{
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uint32_t n;
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float **d = (float **)dst;
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const float **s = (const float **)src;
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const float v0 = mix->matrix[0][0];
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const float v1 = mix->matrix[0][1];
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const float v2 = mix->matrix[0][2];
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const float v3 = mix->matrix[0][3];
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if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_ZERO)) {
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memset(d[0], 0, n_samples * sizeof(float));
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}
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else if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_EQUAL)) {
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for (n = 0; n < n_samples; n++)
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d[0][n] = (s[0][n] + s[1][n] + s[2][n] + s[3][n]) * v0;
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}
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else {
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for (n = 0; n < n_samples; n++)
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d[0][n] = s[0][n] * v0 + s[1][n] * v1 +
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s[2][n] * v2 + s[3][n] * v3;
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}
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}
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void
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channelmix_f32_3p1_1_c(struct channelmix *mix, uint32_t n_dst, void * SPA_RESTRICT dst[n_dst],
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uint32_t n_src, const void * SPA_RESTRICT src[n_src], uint32_t n_samples)
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{
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uint32_t n;
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float **d = (float **)dst;
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const float **s = (const float **)src;
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const float v0 = mix->matrix[0][0];
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const float v1 = mix->matrix[0][1];
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const float v2 = mix->matrix[0][2];
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if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_ZERO)) {
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memset(d[0], 0, n_samples * sizeof(float));
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}
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else if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_EQUAL)) {
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for (n = 0; n < n_samples; n++)
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d[0][n] = (s[0][n] + s[1][n] + s[2][n] + s[3][n]) * v0;
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}
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else {
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for (n = 0; n < n_samples; n++)
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d[0][n] = s[0][n] * v0 + s[1][n] * v1 + s[2][n] * v2;
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}
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}
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#define MASK_QUAD _M(FL)|_M(FR)|_M(RL)|_M(RR)|_M(UNKNOWN)
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void
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channelmix_f32_2_4_c(struct channelmix *mix, uint32_t n_dst, void * SPA_RESTRICT dst[n_dst],
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uint32_t n_src, const void * SPA_RESTRICT src[n_src], uint32_t n_samples)
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{
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uint32_t i, n;
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float **d = (float **)dst;
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const float **s = (const float **)src;
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const float v0 = mix->matrix[0][0];
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const float v1 = mix->matrix[1][1];
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const float v2 = mix->matrix[2][0];
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const float v3 = mix->matrix[3][1];
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if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_ZERO)) {
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for (i = 0; i < n_dst; i++)
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memset(d[i], 0, n_samples * sizeof(float));
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}
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else if (v0 == v2 && v1 == v3) {
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if (v0 == 1.0f && v1 == 1.0f) {
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for (n = 0; n < n_samples; n++) {
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d[0][n] = d[2][n] = s[0][n];
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d[1][n] = d[3][n] = s[1][n];
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}
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} else {
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for (n = 0; n < n_samples; n++) {
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d[0][n] = d[2][n] = s[0][n] * v0;
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d[1][n] = d[3][n] = s[1][n] * v1;
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}
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}
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}
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else {
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for (n = 0; n < n_samples; n++) {
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d[0][n] = s[0][n] * v0;
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d[1][n] = s[1][n] * v1;
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d[2][n] = s[0][n] * v2;
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d[3][n] = s[1][n] * v3;
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}
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}
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}
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#define MASK_3_1 _M(FL)|_M(FR)|_M(FC)|_M(LFE)
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void
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channelmix_f32_2_3p1_c(struct channelmix *mix, uint32_t n_dst, void * SPA_RESTRICT dst[n_dst],
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uint32_t n_src, const void * SPA_RESTRICT src[n_src], uint32_t n_samples)
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{
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uint32_t i, n;
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float **d = (float **)dst;
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const float **s = (const float **)src;
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const float v0 = mix->matrix[0][0];
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const float v1 = mix->matrix[1][1];
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if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_ZERO)) {
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for (i = 0; i < n_dst; i++)
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memset(d[i], 0, n_samples * sizeof(float));
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}
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else if (v0 == 1.0f && v1 == 1.0f) {
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for (n = 0; n < n_samples; n++) {
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d[0][n] = s[0][n];
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d[1][n] = s[1][n];
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d[2][n] = (s[0][n] + s[1][n]) * 0.5f;
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d[3][n] = 0.0f;
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}
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}
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else {
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for (n = 0; n < n_samples; n++) {
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d[0][n] = s[0][n] * v0;
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d[1][n] = s[1][n] * v1;
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d[2][n] = (d[0][n] + d[1][n]) * 0.5f;
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d[3][n] = 0.0f;
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}
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}
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}
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#define MASK_5_1 _M(FL)|_M(FR)|_M(FC)|_M(LFE)|_M(SL)|_M(SR)|_M(RL)|_M(RR)
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void
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channelmix_f32_2_5p1_c(struct channelmix *mix, uint32_t n_dst, void * SPA_RESTRICT dst[n_dst],
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uint32_t n_src, const void * SPA_RESTRICT src[n_src], uint32_t n_samples)
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{
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uint32_t i, n;
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float **d = (float **)dst;
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const float **s = (const float **)src;
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const float v0 = mix->matrix[0][0];
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const float v1 = mix->matrix[1][1];
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const float v4 = mix->matrix[4][0];
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const float v5 = mix->matrix[5][1];
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if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_ZERO)) {
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for (i = 0; i < n_dst; i++)
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memset(d[i], 0, n_samples * sizeof(float));
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}
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else if (v0 == 1.0f && v1 == 1.0f && v4 == 1.0f && v5 == 1.0f) {
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for (n = 0; n < n_samples; n++) {
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d[0][n] = d[4][n] = s[0][n];
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d[1][n] = d[5][n] = s[1][n];
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d[2][n] = (s[0][n] + s[1][n]) * 0.5f;
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d[3][n] = 0.0f;
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}
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}
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else {
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for (n = 0; n < n_samples; n++) {
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d[0][n] = s[0][n] * v0;
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d[1][n] = s[1][n] * v1;
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d[2][n] = (d[0][n] + d[1][n]) * 0.5f;
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d[3][n] = 0.0f;
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d[4][n] = s[0][n] * v4;
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d[5][n] = s[1][n] * v5;
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}
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}
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}
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/* FL+FR+FC+LFE+SL+SR -> FL+FR */
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void
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channelmix_f32_5p1_2_c(struct channelmix *mix, uint32_t n_dst, void * SPA_RESTRICT dst[n_dst],
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uint32_t n_src, const void * SPA_RESTRICT src[n_src], uint32_t n_samples)
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{
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uint32_t n;
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float **d = (float **) dst;
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const float **s = (const float **) src;
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const float v0 = mix->matrix[0][0];
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const float v1 = mix->matrix[1][1];
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const float clev = (mix->matrix[0][2] + mix->matrix[1][2]) * 0.5f;
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const float llev = (mix->matrix[0][3] + mix->matrix[1][3]) * 0.5f;
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const float slev0 = mix->matrix[0][4];
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const float slev1 = mix->matrix[1][5];
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if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_ZERO)) {
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memset(d[0], 0, n_samples * sizeof(float));
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memset(d[1], 0, n_samples * sizeof(float));
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}
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else {
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for (n = 0; n < n_samples; n++) {
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const float ctr = clev * s[2][n] + llev * s[3][n];
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d[0][n] = s[0][n] * v0 + ctr + (slev0 * s[4][n]);
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d[1][n] = s[1][n] * v1 + ctr + (slev1 * s[5][n]);
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}
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}
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}
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/* FL+FR+FC+LFE+SL+SR -> FL+FR+FC+LFE*/
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void
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channelmix_f32_5p1_3p1_c(struct channelmix *mix, uint32_t n_dst, void * SPA_RESTRICT dst[n_dst],
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uint32_t n_src, const void * SPA_RESTRICT src[n_src], uint32_t n_samples)
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{
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uint32_t i, n;
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float **d = (float **) dst;
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const float **s = (const float **) src;
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const float v0 = mix->matrix[0][0];
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const float v1 = mix->matrix[1][1];
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const float v2 = mix->matrix[2][2];
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const float v3 = mix->matrix[3][3];
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const float v4 = mix->matrix[0][4];
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const float v5 = mix->matrix[1][5];
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if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_ZERO)) {
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for (i = 0; i < n_dst; i++)
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memset(d[i], 0, n_samples * sizeof(float));
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}
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else {
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for (n = 0; n < n_samples; n++) {
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d[0][n] = s[0][n] * v0 + s[4][n] * v4;
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d[1][n] = s[1][n] * v1 + s[5][n] * v5;
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d[2][n] = s[2][n] * v2;
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d[3][n] = s[3][n] * v3;
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}
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}
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}
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/* FL+FR+FC+LFE+SL+SR -> FL+FR+RL+RR*/
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void
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channelmix_f32_5p1_4_c(struct channelmix *mix, uint32_t n_dst, void * SPA_RESTRICT dst[n_dst],
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uint32_t n_src, const void * SPA_RESTRICT src[n_src], uint32_t n_samples)
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{
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uint32_t i, n;
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float **d = (float **) dst;
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const float **s = (const float **) src;
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const float clev = mix->matrix[0][2];
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const float llev = mix->matrix[0][3];
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const float v0 = mix->matrix[0][0];
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const float v1 = mix->matrix[1][1];
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const float v4 = mix->matrix[2][4];
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const float v5 = mix->matrix[3][5];
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if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_ZERO)) {
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for (i = 0; i < n_dst; i++)
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memset(d[i], 0, n_samples * sizeof(float));
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}
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else {
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for (n = 0; n < n_samples; n++) {
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const float ctr = s[2][n] * clev + s[3][n] * llev;
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d[0][n] = s[0][n] * v0 + ctr;
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d[1][n] = s[1][n] * v1 + ctr;
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d[2][n] = s[4][n] * v4;
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d[3][n] = s[5][n] * v5;
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}
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}
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}
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#define MASK_7_1 _M(FL)|_M(FR)|_M(FC)|_M(LFE)|_M(SL)|_M(SR)|_M(RL)|_M(RR)
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/* FL+FR+FC+LFE+SL+SR+RL+RR -> FL+FR */
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void
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channelmix_f32_7p1_2_c(struct channelmix *mix, uint32_t n_dst, void * SPA_RESTRICT dst[n_dst],
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uint32_t n_src, const void * SPA_RESTRICT src[n_src], uint32_t n_samples)
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{
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uint32_t n;
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float **d = (float **) dst;
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const float **s = (const float **) src;
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const float v0 = mix->matrix[0][0];
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|
const float v1 = mix->matrix[1][1];
|
|
const float clev = (mix->matrix[0][2] + mix->matrix[1][2]) * 0.5f;
|
|
const float llev = (mix->matrix[0][3] + mix->matrix[1][3]) * 0.5f;
|
|
const float slev0 = mix->matrix[0][4];
|
|
const float slev1 = mix->matrix[1][5];
|
|
const float rlev0 = mix->matrix[0][6];
|
|
const float rlev1 = mix->matrix[1][7];
|
|
|
|
if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_ZERO)) {
|
|
memset(d[0], 0, n_samples * sizeof(float));
|
|
memset(d[1], 0, n_samples * sizeof(float));
|
|
}
|
|
else {
|
|
for (n = 0; n < n_samples; n++) {
|
|
const float ctr = clev * s[2][n] + llev * s[3][n];
|
|
d[0][n] = s[0][n] * v0 + ctr + s[4][n] * slev0 + s[6][n] * rlev0;
|
|
d[1][n] = s[1][n] * v1 + ctr + s[5][n] * slev1 + s[6][n] * rlev1;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* FL+FR+FC+LFE+SL+SR+RL+RR -> FL+FR+FC+LFE*/
|
|
void
|
|
channelmix_f32_7p1_3p1_c(struct channelmix *mix, uint32_t n_dst, void * SPA_RESTRICT dst[n_dst],
|
|
uint32_t n_src, const void * SPA_RESTRICT src[n_src], uint32_t n_samples)
|
|
{
|
|
uint32_t i, n;
|
|
float **d = (float **) dst;
|
|
const float **s = (const float **) src;
|
|
const float v0 = mix->matrix[0][0];
|
|
const float v1 = mix->matrix[1][1];
|
|
const float v2 = mix->matrix[2][2];
|
|
const float v3 = mix->matrix[3][3];
|
|
const float v4 = (mix->matrix[0][4] + mix->matrix[0][6]) * 0.5f;
|
|
const float v5 = (mix->matrix[1][5] + mix->matrix[1][6]) * 0.5f;
|
|
|
|
if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_ZERO)) {
|
|
for (i = 0; i < n_dst; i++)
|
|
memset(d[i], 0, n_samples * sizeof(float));
|
|
}
|
|
else {
|
|
for (n = 0; n < n_samples; n++) {
|
|
d[0][n] = s[0][n] * v0 + (s[4][n] + s[6][n]) * v4;
|
|
d[1][n] = s[1][n] * v1 + (s[5][n] + s[7][n]) * v5;
|
|
d[2][n] = s[2][n] * v2;
|
|
d[3][n] = s[3][n] * v3;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* FL+FR+FC+LFE+SL+SR+RL+RR -> FL+FR+RL+RR*/
|
|
void
|
|
channelmix_f32_7p1_4_c(struct channelmix *mix, uint32_t n_dst, void * SPA_RESTRICT dst[n_dst],
|
|
uint32_t n_src, const void * SPA_RESTRICT src[n_src], uint32_t n_samples)
|
|
{
|
|
uint32_t i, n;
|
|
float **d = (float **) dst;
|
|
const float **s = (const float **) src;
|
|
const float v0 = mix->matrix[0][0];
|
|
const float v1 = mix->matrix[1][1];
|
|
const float clev = (mix->matrix[0][2] + mix->matrix[1][2]) * 0.5f;
|
|
const float llev = (mix->matrix[0][3] + mix->matrix[1][3]) * 0.5f;
|
|
const float slev0 = mix->matrix[0][4];
|
|
const float slev1 = mix->matrix[1][5];
|
|
const float rlev0 = mix->matrix[0][6];
|
|
const float rlev1 = mix->matrix[1][7];
|
|
|
|
if (SPA_FLAG_IS_SET(mix->flags, CHANNELMIX_FLAG_ZERO)) {
|
|
for (i = 0; i < n_dst; i++)
|
|
memset(d[i], 0, n_samples * sizeof(float));
|
|
}
|
|
else {
|
|
for (n = 0; n < n_samples; n++) {
|
|
const float ctr = s[2][n] * clev + s[3][n] * llev;
|
|
const float sl = s[4][n] * slev0;
|
|
const float sr = s[5][n] * slev1;
|
|
d[0][n] = s[0][n] * v0 + ctr + sl;
|
|
d[1][n] = s[1][n] * v1 + ctr + sr;
|
|
d[2][n] = s[6][n] * rlev0 + sl;
|
|
d[3][n] = s[7][n] * rlev1 + sr;
|
|
}
|
|
}
|
|
}
|