mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-15 07:00:05 -05:00
125 lines
4.6 KiB
C
125 lines
4.6 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 <string.h>
|
|
#include <stdio.h>
|
|
|
|
#include <spa/support/cpu.h>
|
|
#include <spa/utils/defs.h>
|
|
|
|
#define VOLUME_MIN 0.0f
|
|
#define VOLUME_NORM 1.0f
|
|
|
|
#include "channelmix-ops.h"
|
|
|
|
#define _M(ch) (1UL << SPA_AUDIO_CHANNEL_ ## ch)
|
|
#define MASK_MONO _M(FC)|_M(MONO)|_M(UNKNOWN)
|
|
#define MASK_STEREO _M(FL)|_M(FR)|_M(UNKNOWN)
|
|
#define MASK_QUAD _M(FL)|_M(FR)|_M(RL)|_M(RR)|_M(UNKNOWN)
|
|
#define MASK_3_1 _M(FL)|_M(FR)|_M(FC)|_M(LFE)
|
|
#define MASK_5_1 _M(FL)|_M(FR)|_M(FC)|_M(LFE)|_M(SL)|_M(SR)|_M(RL)|_M(RR)
|
|
#define MASK_7_1 _M(FL)|_M(FR)|_M(FC)|_M(LFE)|_M(SL)|_M(SR)|_M(RL)|_M(RR)
|
|
|
|
typedef void (*channelmix_func_t) (void *data, int n_dst, void * SPA_RESTRICT dst[n_dst],
|
|
int n_src, const void * SPA_RESTRICT src[n_src],
|
|
const void * SPA_RESTRICT matrix, float v, int n_samples);
|
|
|
|
|
|
#define ANY ((uint32_t)-1)
|
|
#define EQ ((uint32_t)-2)
|
|
|
|
static const struct channelmix_info {
|
|
uint32_t src_chan;
|
|
uint64_t src_mask;
|
|
uint32_t dst_chan;
|
|
uint64_t dst_mask;
|
|
|
|
channelmix_func_t func;
|
|
#define FEATURE_SSE SPA_CPU_FLAG_SSE
|
|
uint32_t features;
|
|
} channelmix_table[] =
|
|
{
|
|
#if defined (HAVE_SSE)
|
|
{ 2, MASK_MONO, 2, MASK_MONO, channelmix_copy_sse, FEATURE_SSE },
|
|
{ 2, MASK_STEREO, 2, MASK_STEREO, channelmix_copy_sse, FEATURE_SSE },
|
|
{ EQ, 0, EQ, 0, channelmix_copy_sse, FEATURE_SSE },
|
|
#endif
|
|
{ 2, MASK_MONO, 2, MASK_MONO, channelmix_copy_c, 0 },
|
|
{ 2, MASK_STEREO, 2, MASK_STEREO, channelmix_copy_c, 0 },
|
|
{ EQ, 0, EQ, 0, channelmix_copy_c, 0 },
|
|
|
|
{ 1, MASK_MONO, 2, MASK_STEREO, channelmix_f32_1_2_c, 0 },
|
|
{ 2, MASK_STEREO, 1, MASK_MONO, channelmix_f32_2_1_c, 0 },
|
|
{ 4, MASK_QUAD, 1, MASK_MONO, channelmix_f32_4_1_c, 0 },
|
|
{ 4, MASK_3_1, 1, MASK_MONO, channelmix_f32_3p1_1_c, 0 },
|
|
#if defined (HAVE_SSE)
|
|
{ 2, MASK_STEREO, 4, MASK_QUAD, channelmix_f32_2_4_sse, FEATURE_SSE },
|
|
#endif
|
|
{ 2, MASK_STEREO, 4, MASK_QUAD, channelmix_f32_2_4_c, 0 },
|
|
{ 2, MASK_STEREO, 4, MASK_3_1, channelmix_f32_2_3p1_c, 0 },
|
|
{ 2, MASK_STEREO, 6, MASK_5_1, channelmix_f32_2_5p1_c, 0 },
|
|
#if defined (HAVE_SSE)
|
|
{ 6, MASK_5_1, 2, MASK_STEREO, channelmix_f32_5p1_2_sse, FEATURE_SSE },
|
|
#endif
|
|
{ 6, MASK_5_1, 2, MASK_STEREO, channelmix_f32_5p1_2_c, 0 },
|
|
#if defined (HAVE_SSE)
|
|
{ 6, MASK_5_1, 4, MASK_QUAD, channelmix_f32_5p1_4_sse, FEATURE_SSE },
|
|
#endif
|
|
{ 6, MASK_5_1, 4, MASK_QUAD, channelmix_f32_5p1_4_c, 0 },
|
|
|
|
#if defined (HAVE_SSE)
|
|
{ 6, MASK_5_1, 4, MASK_3_1, channelmix_f32_5p1_3p1_sse, FEATURE_SSE },
|
|
#endif
|
|
{ 6, MASK_5_1, 4, MASK_3_1, channelmix_f32_5p1_3p1_c, 0 },
|
|
|
|
{ 8, MASK_7_1, 2, MASK_STEREO, channelmix_f32_7p1_2_c, 0 },
|
|
{ 8, MASK_7_1, 4, MASK_QUAD, channelmix_f32_7p1_4_c, 0 },
|
|
{ 8, MASK_7_1, 4, MASK_3_1, channelmix_f32_7p1_3p1_c, 0 },
|
|
|
|
{ ANY, 0, ANY, 0, channelmix_f32_n_m_c, 0 },
|
|
};
|
|
|
|
#define MATCH_CHAN(a,b) ((a) == ANY || (a) == (b))
|
|
#define MATCH_FEATURES(a,b) ((a) == 0 || ((a) & (b)) != 0)
|
|
#define MATCH_MASK(a,b) ((a) == 0 || ((a) & (b)) == (b))
|
|
|
|
static const struct channelmix_info *find_channelmix_info(uint32_t src_chan, uint64_t src_mask,
|
|
uint32_t dst_chan, uint64_t dst_mask, uint32_t features)
|
|
{
|
|
size_t i;
|
|
for (i = 0; i < SPA_N_ELEMENTS(channelmix_table); i++) {
|
|
if (!MATCH_FEATURES(channelmix_table[i].features, features))
|
|
continue;
|
|
|
|
if (src_chan == dst_chan && src_mask == dst_mask)
|
|
return &channelmix_table[i];
|
|
|
|
if (MATCH_CHAN(channelmix_table[i].src_chan, src_chan) &&
|
|
MATCH_CHAN(channelmix_table[i].dst_chan, dst_chan) &&
|
|
MATCH_MASK(channelmix_table[i].src_mask, src_mask) &&
|
|
MATCH_MASK(channelmix_table[i].dst_mask, dst_mask))
|
|
return &channelmix_table[i];
|
|
}
|
|
return NULL;
|
|
}
|