mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2026-05-16 21:37:49 -04:00
a7994882b9
Convert matrix_orig and matrix to float arrays and use variable size 2d arrays to access the elements of the matrices. This removes the need for storing pointers to matrix rows.
165 lines
5.3 KiB
C
165 lines
5.3 KiB
C
/* Spa */
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/* SPDX-FileCopyrightText: Copyright © 2018 Wim Taymans */
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/* SPDX-License-Identifier: MIT */
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#include <string.h>
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#include <stdio.h>
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#include <spa/utils/defs.h>
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#include <spa/utils/string.h>
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#include <spa/param/audio/raw.h>
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#include "crossover.h"
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#define VOLUME_MIN 0.0f
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#define VOLUME_NORM 1.0f
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#define _M(ch) (1UL << SPA_AUDIO_CHANNEL_ ## ch)
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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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#define MASK_QUAD _M(FL)|_M(FR)|_M(RL)|_M(RR)|_M(UNKNOWN)
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#define MASK_3_1 _M(FL)|_M(FR)|_M(FC)|_M(LFE)
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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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#define MASK_7_1 _M(FL)|_M(FR)|_M(FC)|_M(LFE)|_M(SL)|_M(SR)|_M(RL)|_M(RR)
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#define MAX_TAPS 255u
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#define MAX_CHANNELS SPA_AUDIO_MAX_CHANNELS
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#define CHANNELMIX_OPS_MAX_ALIGN 16
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#define CHANNELMIX_DEFAULT_OPTIONS (CHANNELMIX_OPTION_UPMIX | CHANNELMIX_OPTION_MIX_LFE)
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#define CHANNELMIX_DEFAULT_UPMIX CHANNELMIX_UPMIX_NONE
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#define CHANNELMIX_DEFAULT_LFE_CUTOFF 0.0f
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#define CHANNELMIX_DEFAULT_FC_CUTOFF 0.0f
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#define CHANNELMIX_DEFAULT_REAR_DELAY 0.0f
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#define CHANNELMIX_DEFAULT_CENTER_LEVEL 0.707106781f
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#define CHANNELMIX_DEFAULT_SURROUND_LEVEL 0.707106781f
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#define CHANNELMIX_DEFAULT_LFE_LEVEL 0.5f
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#define CHANNELMIX_DEFAULT_WIDEN 0.0f
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#define CHANNELMIX_DEFAULT_HILBERT_TAPS 0
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#define CHANNELMIX_DEF_MATRIX(var, mix, m) float (*(var))[(mix)->src_chan] = (float (*)[(mix)->src_chan])(mix)->m
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struct channelmix {
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uint32_t src_chan;
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uint32_t dst_chan;
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uint64_t src_mask;
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uint64_t dst_mask;
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uint32_t cpu_flags;
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#define CHANNELMIX_OPTION_MIX_LFE (1<<0) /**< mix LFE */
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#define CHANNELMIX_OPTION_NORMALIZE (1<<1) /**< normalize volumes */
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#define CHANNELMIX_OPTION_UPMIX (1<<2) /**< do simple upmixing */
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uint32_t options;
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#define CHANNELMIX_UPMIX_NONE 0 /**< disable upmixing */
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#define CHANNELMIX_UPMIX_SIMPLE 1 /**< simple upmixing */
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#define CHANNELMIX_UPMIX_PSD 2 /**< Passive Surround Decoding upmixing */
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uint32_t upmix;
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struct spa_log *log;
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uint32_t func_cpu_flags;
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const char *func_name;
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#define CHANNELMIX_FLAG_ZERO (1<<0) /**< all zero components */
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#define CHANNELMIX_FLAG_IDENTITY (1<<1) /**< identity matrix */
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#define CHANNELMIX_FLAG_EQUAL (1<<2) /**< all values are equal */
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#define CHANNELMIX_FLAG_COPY (1<<3) /**< 1 on diagonal, can be nxm */
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uint32_t flags;
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float *matrix_orig;
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float *matrix;
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float freq; /* sample frequency */
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float lfe_cutoff; /* in Hz, 0 is disabled */
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float fc_cutoff; /* in Hz, 0 is disabled */
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float rear_delay; /* in ms, 0 is disabled */
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float widen; /* stereo widen. 0 is disabled */
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float center_level; /* center down/upmix level, sqrt(1/2) */
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float lfe_level; /* lfe down/upmix level, 1/2 */
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float surround_level; /* surround down/upmix level, sqrt(1/2) */
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uint32_t hilbert_taps; /* to phase shift, 0 disabled */
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struct lr4 *lr4;
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float *buffer[2];
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uint32_t buffer_size;
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uint32_t pos[2];
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uint32_t delay;
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float *taps;
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uint32_t n_taps;
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void (*process) (struct channelmix *mix, void * SPA_RESTRICT dst[],
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const void * SPA_RESTRICT src[], uint32_t n_samples);
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void (*set_volume) (struct channelmix *mix, float volume, bool mute,
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uint32_t n_channel_volumes, float *channel_volumes);
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void (*reconfigure) (struct channelmix *mix);
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void (*free) (struct channelmix *mix);
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void *data;
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};
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void channelmix_reset(struct channelmix *mix);
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int channelmix_init(struct channelmix *mix);
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static const struct channelmix_upmix_info {
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const char *label;
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const char *description;
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uint32_t upmix;
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} channelmix_upmix_info[] = {
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[CHANNELMIX_UPMIX_NONE] = { "none", "Disabled", CHANNELMIX_UPMIX_NONE },
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[CHANNELMIX_UPMIX_SIMPLE] = { "simple", "Simple upmixing", CHANNELMIX_UPMIX_SIMPLE },
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[CHANNELMIX_UPMIX_PSD] = { "psd", "Passive Surround Decoding", CHANNELMIX_UPMIX_PSD }
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};
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static inline uint32_t channelmix_upmix_from_label(const char *label)
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{
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SPA_FOR_EACH_ELEMENT_VAR(channelmix_upmix_info, i) {
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if (spa_streq(i->label, label))
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return i->upmix;
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}
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return CHANNELMIX_UPMIX_NONE;
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}
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#define channelmix_process(mix,...) (mix)->process(mix, __VA_ARGS__)
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#define channelmix_set_volume(mix,...) (mix)->set_volume(mix, __VA_ARGS__)
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#define channelmix_reconfigure(mix) (mix)->reconfigure(mix)
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#define channelmix_free(mix) (mix)->free(mix)
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#define DEFINE_FUNCTION(name,arch) \
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void channelmix_##name##_##arch(struct channelmix *mix, \
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void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src[], \
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uint32_t n_samples);
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DEFINE_FUNCTION(copy, c);
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DEFINE_FUNCTION(f32_n_m, c);
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DEFINE_FUNCTION(f32_1_2, c);
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DEFINE_FUNCTION(f32_2_1, c);
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DEFINE_FUNCTION(f32_4_1, c);
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DEFINE_FUNCTION(f32_2_4, c);
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DEFINE_FUNCTION(f32_2_3p1, c);
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DEFINE_FUNCTION(f32_2_5p1, c);
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DEFINE_FUNCTION(f32_2_7p1, c);
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DEFINE_FUNCTION(f32_3p1_2, c);
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DEFINE_FUNCTION(f32_5p1_2, c);
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DEFINE_FUNCTION(f32_5p1_3p1, c);
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DEFINE_FUNCTION(f32_5p1_4, c);
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DEFINE_FUNCTION(f32_7p1_2, c);
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DEFINE_FUNCTION(f32_7p1_3p1, c);
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DEFINE_FUNCTION(f32_7p1_4, c);
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#if defined (HAVE_SSE)
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DEFINE_FUNCTION(copy, sse);
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DEFINE_FUNCTION(f32_n_m, sse);
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DEFINE_FUNCTION(f32_2_3p1, sse);
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DEFINE_FUNCTION(f32_2_5p1, sse);
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DEFINE_FUNCTION(f32_2_7p1, sse);
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DEFINE_FUNCTION(f32_3p1_2, sse);
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DEFINE_FUNCTION(f32_5p1_2, sse);
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DEFINE_FUNCTION(f32_5p1_3p1, sse);
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DEFINE_FUNCTION(f32_5p1_4, sse);
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DEFINE_FUNCTION(f32_7p1_2, sse);
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DEFINE_FUNCTION(f32_7p1_4, sse);
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#endif
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#if defined (HAVE_AVX)
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DEFINE_FUNCTION(copy, avx);
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#endif
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#undef DEFINE_FUNCTION
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