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-rw-r--r--src/tests/cpu-mix-test.c224
1 files changed, 224 insertions, 0 deletions
diff --git a/src/tests/cpu-mix-test.c b/src/tests/cpu-mix-test.c
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index 0000000..cad8984
--- /dev/null
+++ b/src/tests/cpu-mix-test.c
@@ -0,0 +1,224 @@
+/***
+ This file is part of PulseAudio.
+
+ PulseAudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2.1 of the License,
+ or (at your option) any later version.
+
+ PulseAudio is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <check.h>
+
+#include <pulsecore/cpu.h>
+#include <pulsecore/cpu-arm.h>
+#include <pulsecore/random.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/mix.h>
+
+#include "runtime-test-util.h"
+
+#define SAMPLES 1028
+#define TIMES 1000
+#define TIMES2 100
+
+static void acquire_mix_streams(pa_mix_info streams[], unsigned nstreams) {
+ unsigned i;
+
+ for (i = 0; i < nstreams; i++)
+ streams[i].ptr = pa_memblock_acquire_chunk(&streams[i].chunk);
+}
+
+static void release_mix_streams(pa_mix_info streams[], unsigned nstreams) {
+ unsigned i;
+
+ for (i = 0; i < nstreams; i++)
+ pa_memblock_release(streams[i].chunk.memblock);
+}
+
+static void run_mix_test(
+ pa_do_mix_func_t func,
+ pa_do_mix_func_t orig_func,
+ int align,
+ int channels,
+ bool correct,
+ bool perf) {
+
+ PA_DECLARE_ALIGNED(8, int16_t, in0[SAMPLES * 4]) = { 0 };
+ PA_DECLARE_ALIGNED(8, int16_t, in1[SAMPLES * 4]) = { 0 };
+ PA_DECLARE_ALIGNED(8, int16_t, out[SAMPLES * 4]) = { 0 };
+ PA_DECLARE_ALIGNED(8, int16_t, out_ref[SAMPLES * 4]) = { 0 };
+ int16_t *samples0, *samples1;
+ int16_t *samples, *samples_ref;
+ int nsamples;
+ pa_mempool *pool;
+ pa_memchunk c0, c1;
+ pa_mix_info m[2];
+ int i;
+
+ pa_assert(channels == 1 || channels == 2 || channels == 4);
+
+ /* Force sample alignment as requested */
+ samples0 = in0 + (8 - align);
+ samples1 = in1 + (8 - align);
+ samples = out + (8 - align);
+ samples_ref = out_ref + (8 - align);
+ nsamples = channels * (SAMPLES - (8 - align));
+
+ fail_unless((pool = pa_mempool_new(PA_MEM_TYPE_PRIVATE, 0, true)) != NULL, NULL);
+
+ pa_random(samples0, nsamples * sizeof(int16_t));
+ c0.memblock = pa_memblock_new_fixed(pool, samples0, nsamples * sizeof(int16_t), false);
+ c0.length = pa_memblock_get_length(c0.memblock);
+ c0.index = 0;
+
+ pa_random(samples1, nsamples * sizeof(int16_t));
+ c1.memblock = pa_memblock_new_fixed(pool, samples1, nsamples * sizeof(int16_t), false);
+ c1.length = pa_memblock_get_length(c1.memblock);
+ c1.index = 0;
+
+ m[0].chunk = c0;
+ m[0].volume.channels = channels;
+ for (i = 0; i < channels; i++) {
+ m[0].volume.values[i] = PA_VOLUME_NORM;
+ m[0].linear[i].i = 0x5555;
+ }
+
+ m[1].chunk = c1;
+ m[1].volume.channels = channels;
+ for (i = 0; i < channels; i++) {
+ m[1].volume.values[i] = PA_VOLUME_NORM;
+ m[1].linear[i].i = 0x6789;
+ }
+
+ if (correct) {
+ acquire_mix_streams(m, 2);
+ orig_func(m, 2, channels, samples_ref, nsamples * sizeof(int16_t));
+ release_mix_streams(m, 2);
+
+ acquire_mix_streams(m, 2);
+ func(m, 2, channels, samples, nsamples * sizeof(int16_t));
+ release_mix_streams(m, 2);
+
+ for (i = 0; i < nsamples; i++) {
+ if (samples[i] != samples_ref[i]) {
+ pa_log_debug("Correctness test failed: align=%d, channels=%d", align, channels);
+ pa_log_debug("%d: %hd != %04hd (%hd + %hd)",
+ i,
+ samples[i], samples_ref[i],
+ samples0[i], samples1[i]);
+ ck_abort();
+ }
+ }
+ }
+
+ if (perf) {
+ pa_log_debug("Testing %d-channel mixing performance with %d sample alignment", channels, align);
+
+ PA_RUNTIME_TEST_RUN_START("func", TIMES, TIMES2) {
+ acquire_mix_streams(m, 2);
+ func(m, 2, channels, samples, nsamples * sizeof(int16_t));
+ release_mix_streams(m, 2);
+ } PA_RUNTIME_TEST_RUN_STOP
+
+ PA_RUNTIME_TEST_RUN_START("orig", TIMES, TIMES2) {
+ acquire_mix_streams(m, 2);
+ orig_func(m, 2, channels, samples_ref, nsamples * sizeof(int16_t));
+ release_mix_streams(m, 2);
+ } PA_RUNTIME_TEST_RUN_STOP
+ }
+
+ pa_memblock_unref(c0.memblock);
+ pa_memblock_unref(c1.memblock);
+
+ pa_mempool_unref(pool);
+}
+
+START_TEST (mix_special_test) {
+ pa_cpu_info cpu_info = { PA_CPU_UNDEFINED, {}, false };
+ pa_do_mix_func_t orig_func, special_func;
+
+ cpu_info.force_generic_code = true;
+ pa_mix_func_init(&cpu_info);
+ orig_func = pa_get_mix_func(PA_SAMPLE_S16NE);
+
+ cpu_info.force_generic_code = false;
+ pa_mix_func_init(&cpu_info);
+ special_func = pa_get_mix_func(PA_SAMPLE_S16NE);
+
+ pa_log_debug("Checking special mix (s16, stereo)");
+ run_mix_test(special_func, orig_func, 7, 2, true, true);
+
+ pa_log_debug("Checking special mix (s16, 4-channel)");
+ run_mix_test(special_func, orig_func, 7, 4, true, true);
+
+ pa_log_debug("Checking special mix (s16, mono)");
+ run_mix_test(special_func, orig_func, 7, 1, true, true);
+}
+END_TEST
+
+#if defined (__arm__) && defined (__linux__) && defined (HAVE_NEON)
+START_TEST (mix_neon_test) {
+ pa_do_mix_func_t orig_func, neon_func;
+ pa_cpu_arm_flag_t flags = 0;
+
+ pa_cpu_get_arm_flags(&flags);
+
+ if (!(flags & PA_CPU_ARM_NEON)) {
+ pa_log_info("NEON not supported. Skipping");
+ return;
+ }
+
+ orig_func = pa_get_mix_func(PA_SAMPLE_S16NE);
+ pa_mix_func_init_neon(flags);
+ neon_func = pa_get_mix_func(PA_SAMPLE_S16NE);
+
+ pa_log_debug("Checking NEON mix (s16, stereo)");
+ run_mix_test(neon_func, orig_func, 7, 2, true, true);
+
+ pa_log_debug("Checking NEON mix (s16, 4-channel)");
+ run_mix_test(neon_func, orig_func, 7, 4, true, true);
+
+ pa_log_debug("Checking NEON mix (s16, mono)");
+ run_mix_test(neon_func, orig_func, 7, 1, true, true);
+}
+END_TEST
+#endif /* defined (__arm__) && defined (__linux__) && defined (HAVE_NEON) */
+
+int main(int argc, char *argv[]) {
+ int failed = 0;
+ Suite *s;
+ TCase *tc;
+ SRunner *sr;
+
+ if (!getenv("MAKE_CHECK"))
+ pa_log_set_level(PA_LOG_DEBUG);
+
+ s = suite_create("CPU");
+
+ tc = tcase_create("mix");
+ tcase_add_test(tc, mix_special_test);
+#if defined (__arm__) && defined (__linux__) && defined (HAVE_NEON)
+ tcase_add_test(tc, mix_neon_test);
+#endif
+ tcase_set_timeout(tc, 120);
+ suite_add_tcase(s, tc);
+
+ sr = srunner_create(s);
+ srunner_run_all(sr, CK_NORMAL);
+ failed = srunner_ntests_failed(sr);
+ srunner_free(sr);
+
+ return (failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
+}
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