pipewire/spa/plugins/audioconvert/peaks-ops.h
Barnabás Pőcze 934ab3036e treewide: use SPDX tags to specify copyright information
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2023-02-16 10:54:48 +00:00

52 lines
1.3 KiB
C

/* Spa */
/* SPDX-FileCopyrightText: Copyright © 2022 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#include <string.h>
#include <stdio.h>
#include <spa/utils/defs.h>
struct peaks {
uint32_t cpu_flags;
const char *func_name;
struct spa_log *log;
uint32_t flags;
void (*min_max) (struct peaks *peaks, const float * SPA_RESTRICT src,
uint32_t n_samples, float *min, float *max);
float (*abs_max) (struct peaks *peaks, const float * SPA_RESTRICT src,
uint32_t n_samples, float max);
void (*free) (struct peaks *peaks);
};
int peaks_init(struct peaks *peaks);
#define peaks_min_max(peaks,...) (peaks)->min_max(peaks, __VA_ARGS__)
#define peaks_abs_max(peaks,...) (peaks)->abs_max(peaks, __VA_ARGS__)
#define peaks_free(peaks) (peaks)->free(peaks)
#define DEFINE_MIN_MAX_FUNCTION(arch) \
void peaks_min_max_##arch(struct peaks *peaks, \
const float * SPA_RESTRICT src, \
uint32_t n_samples, float *min, float *max);
#define DEFINE_ABS_MAX_FUNCTION(arch) \
float peaks_abs_max_##arch(struct peaks *peaks, \
const float * SPA_RESTRICT src, \
uint32_t n_samples, float max);
#define PEAKS_OPS_MAX_ALIGN 16
DEFINE_MIN_MAX_FUNCTION(c);
DEFINE_ABS_MAX_FUNCTION(c);
#if defined (HAVE_SSE)
DEFINE_MIN_MAX_FUNCTION(sse);
DEFINE_ABS_MAX_FUNCTION(sse);
#endif
#undef DEFINE_FUNCTION