audioconvert: add peaks test

spa/plugins/audioconvert/meson.build

@@ -133,6 +133,7 @@ test_apps = [
   'test-audioconvert',
   'test-channelmix',
   'test-fmt-ops',
+  'test-peaks',
   'test-resample',
   ]
 

spa/plugins/audioconvert/test-peaks.c

@@ -0,0 +1,128 @@
+/* Spa
+ *
+ * Copyright © 2022 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 "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;
+}