mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-10-29 05:40:27 -04:00
120 lines
4.1 KiB
C
120 lines
4.1 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/utils/defs.h>
|
|
#include <spa/param/audio/raw.h>
|
|
|
|
#undef SPA_LOG_TOPIC_DEFAULT
|
|
#define SPA_LOG_TOPIC_DEFAULT log_topic
|
|
extern struct spa_log_topic *log_topic;
|
|
|
|
#include "crossover.h"
|
|
|
|
#define VOLUME_MIN 0.0f
|
|
#define VOLUME_NORM 1.0f
|
|
|
|
#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)
|
|
|
|
|
|
struct channelmix {
|
|
uint32_t src_chan;
|
|
uint32_t dst_chan;
|
|
uint64_t src_mask;
|
|
uint64_t dst_mask;
|
|
uint32_t cpu_flags;
|
|
#define CHANNELMIX_OPTION_MIX_LFE (1<<0) /**< mix LFE */
|
|
#define CHANNELMIX_OPTION_NORMALIZE (1<<1) /**< normalize volumes */
|
|
#define CHANNELMIX_OPTION_UPMIX (1<<2) /**< do simple upmixing */
|
|
uint32_t options;
|
|
|
|
struct spa_log *log;
|
|
|
|
#define CHANNELMIX_FLAG_ZERO (1<<0) /**< all zero components */
|
|
#define CHANNELMIX_FLAG_IDENTITY (1<<1) /**< identity matrix */
|
|
#define CHANNELMIX_FLAG_EQUAL (1<<2) /**< all values are equal */
|
|
#define CHANNELMIX_FLAG_COPY (1<<3) /**< 1 on diagonal, can be nxm */
|
|
uint32_t flags;
|
|
float matrix_orig[SPA_AUDIO_MAX_CHANNELS][SPA_AUDIO_MAX_CHANNELS];
|
|
float matrix[SPA_AUDIO_MAX_CHANNELS][SPA_AUDIO_MAX_CHANNELS];
|
|
|
|
float freq; /* sample frequency */
|
|
float lfe_cutoff; /* in Hz, 0 is disabled */
|
|
struct lr4 lr4[SPA_AUDIO_MAX_CHANNELS];
|
|
|
|
void (*process) (struct channelmix *mix, void * SPA_RESTRICT dst[],
|
|
const void * SPA_RESTRICT src[], uint32_t n_samples);
|
|
void (*set_volume) (struct channelmix *mix, float volume, bool mute,
|
|
uint32_t n_channel_volumes, float *channel_volumes);
|
|
void (*free) (struct channelmix *mix);
|
|
|
|
void *data;
|
|
};
|
|
|
|
int channelmix_init(struct channelmix *mix);
|
|
|
|
#define channelmix_process(mix,...) (mix)->process(mix, __VA_ARGS__)
|
|
#define channelmix_set_volume(mix,...) (mix)->set_volume(mix, __VA_ARGS__)
|
|
#define channelmix_free(mix) (mix)->free(mix)
|
|
|
|
#define DEFINE_FUNCTION(name,arch) \
|
|
void channelmix_##name##_##arch(struct channelmix *mix, \
|
|
void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src[], \
|
|
uint32_t n_samples);
|
|
|
|
#define CHANNELMIX_OPS_MAX_ALIGN 16
|
|
|
|
DEFINE_FUNCTION(copy, c);
|
|
DEFINE_FUNCTION(f32_n_m, c);
|
|
DEFINE_FUNCTION(f32_1_2, c);
|
|
DEFINE_FUNCTION(f32_2_1, c);
|
|
DEFINE_FUNCTION(f32_4_1, c);
|
|
DEFINE_FUNCTION(f32_3p1_1, c);
|
|
DEFINE_FUNCTION(f32_2_4, c);
|
|
DEFINE_FUNCTION(f32_2_3p1, c);
|
|
DEFINE_FUNCTION(f32_2_5p1, c);
|
|
DEFINE_FUNCTION(f32_2_7p1, c);
|
|
DEFINE_FUNCTION(f32_5p1_2, c);
|
|
DEFINE_FUNCTION(f32_5p1_3p1, c);
|
|
DEFINE_FUNCTION(f32_5p1_4, c);
|
|
DEFINE_FUNCTION(f32_7p1_2, c);
|
|
DEFINE_FUNCTION(f32_7p1_3p1, c);
|
|
DEFINE_FUNCTION(f32_7p1_4, c);
|
|
|
|
#if defined (HAVE_SSE)
|
|
DEFINE_FUNCTION(copy, sse);
|
|
DEFINE_FUNCTION(f32_2_4, sse);
|
|
DEFINE_FUNCTION(f32_5p1_2, sse);
|
|
DEFINE_FUNCTION(f32_5p1_3p1, sse);
|
|
DEFINE_FUNCTION(f32_5p1_4, sse);
|
|
DEFINE_FUNCTION(f32_7p1_4, sse);
|
|
#endif
|