mirror of
				https://gitlab.freedesktop.org/pipewire/pipewire.git
				synced 2025-11-03 09:01:54 -05:00 
			
		
		
		
	
		
			
				
	
	
		
			108 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			108 lines
		
	
	
	
		
			2.4 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] = (float)((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;
 | 
						|
}
 |