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

108 lines
2.3 KiB
C

/* Spa */
/* SPDX-FileCopyrightText: Copyright © 2022 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#include "config.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <time.h>
#include <spa/support/log-impl.h>
#include <spa/debug/mem.h>
SPA_LOG_IMPL(logger);
static uint32_t cpu_flags;
#include "test-helper.h"
#include "peaks-ops.c"
static void test_impl(void)
{
struct peaks peaks;
unsigned int i;
float vals[1038];
float min[2] = { 0.0f, 0.0f }, max[2] = { 0.0f, 0.0f }, absmax[2] = { 0.0f, 0.0f };
for (i = 0; i < SPA_N_ELEMENTS(vals); i++)
vals[i] = (drand48() - 0.5f) * 2.5f;
peaks_min_max_c(&peaks, &vals[1], SPA_N_ELEMENTS(vals) - 1, &min[0], &max[0]);
printf("c peaks min:%f max:%f\n", min[0], max[0]);
absmax[0] = peaks_abs_max_c(&peaks, &vals[1], SPA_N_ELEMENTS(vals) - 1, 0.0f);
printf("c peaks abs-max:%f\n", absmax[0]);
#if defined(HAVE_SSE)
if (cpu_flags & SPA_CPU_FLAG_SSE) {
peaks_min_max_sse(&peaks, &vals[1], SPA_N_ELEMENTS(vals) - 1, &min[1], &max[1]);
printf("sse peaks min:%f max:%f\n", min[1], max[1]);
absmax[1] = peaks_abs_max_sse(&peaks, &vals[1], SPA_N_ELEMENTS(vals) - 1, 0.0f);
printf("sse peaks abs-max:%f\n", absmax[1]);
spa_assert(min[0] == min[1]);
spa_assert(max[0] == max[1]);
spa_assert(absmax[0] == absmax[1]);
}
#endif
}
static void test_min_max(void)
{
struct peaks peaks;
const float vals[] = { 0.0f, 0.5f, -0.5f, 0.0f, 0.6f, -0.8f, -0.5f, 0.0f };
float min = 0.0f, max = 0.0f;
spa_zero(peaks);
peaks.log = &logger.log;
peaks.cpu_flags = cpu_flags;
peaks_init(&peaks);
peaks_min_max(&peaks, vals, SPA_N_ELEMENTS(vals), &min, &max);
spa_assert(min == -0.8f);
spa_assert(max == 0.6f);
}
static void test_abs_max(void)
{
struct peaks peaks;
const float vals[] = { 0.0f, 0.5f, -0.5f, 0.0f, 0.6f, -0.8f, -0.5f, 0.0f };
float max = 0.0f;
spa_zero(peaks);
peaks.log = &logger.log;
peaks.cpu_flags = cpu_flags;
peaks_init(&peaks);
max = peaks_abs_max(&peaks, vals, SPA_N_ELEMENTS(vals), max);
spa_assert(max == 0.8f);
}
int main(int argc, char *argv[])
{
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
srand48(SPA_TIMESPEC_TO_NSEC(&ts));
logger.log.level = SPA_LOG_LEVEL_TRACE;
cpu_flags = get_cpu_flags();
printf("got CPU flags %d\n", cpu_flags);
test_impl();
test_min_max();
test_abs_max();
return 0;
}