1 files changed, 247 insertions, 0 deletions
diff --git a/src/tests/cpu-volume-test.c b/src/tests/cpu-volume-test.c
new file mode 100644
index 0000000..535488e
--- /dev/null
+++ b/src/tests/cpu-volume-test.c
@@ -0,0 +1,247 @@
+/***
+  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-arm.h>
+#include <pulsecore/cpu-x86.h>
+#include <pulsecore/cpu-orc.h>
+#include <pulsecore/random.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/sample-util.h>
+
+#include "runtime-test-util.h"
+
+/* Common defines for svolume tests */
+#define SAMPLES 1028
+#define TIMES 1000
+#define TIMES2 100
+#define PADDING 16
+
+static void run_volume_test(
+        pa_do_volume_func_t func,
+        pa_do_volume_func_t orig_func,
+        int align,
+        int channels,
+        bool correct,
+        bool perf) {
+
+    PA_DECLARE_ALIGNED(8, int16_t, s[SAMPLES]) = { 0 };
+    PA_DECLARE_ALIGNED(8, int16_t, s_ref[SAMPLES]) = { 0 };
+    PA_DECLARE_ALIGNED(8, int16_t, s_orig[SAMPLES]) = { 0 };
+    int32_t volumes[channels + PADDING];
+    int16_t *samples, *samples_ref, *samples_orig;
+    int i, padding, nsamples, size;
+
+    /* Force sample alignment as requested */
+    samples = s + (8 - align);
+    samples_ref = s_ref + (8 - align);
+    samples_orig = s_orig + (8 - align);
+    nsamples = SAMPLES - (8 - align);
+    if (nsamples % channels)
+        nsamples -= nsamples % channels;
+    size = nsamples * sizeof(int16_t);
+
+    pa_random(samples, size);
+    memcpy(samples_ref, samples, size);
+    memcpy(samples_orig, samples, size);
+
+    for (i = 0; i < channels; i++)
+        volumes[i] = PA_CLAMP_VOLUME((pa_volume_t)(rand() >> 15));
+    for (padding = 0; padding < PADDING; padding++, i++)
+        volumes[i] = volumes[padding];
+
+    if (correct) {
+        orig_func(samples_ref, volumes, channels, size);
+        func(samples, volumes, channels, size);
+
+        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: %04hx != %04hx (%04hx * %08x)", i, samples[i], samples_ref[i],
+                        samples_orig[i], volumes[i % channels]);
+                ck_abort();
+            }
+        }
+    }
+
+    if (perf) {
+        pa_log_debug("Testing svolume %dch performance with %d sample alignment", channels, align);
+
+        PA_RUNTIME_TEST_RUN_START("func", TIMES, TIMES2) {
+            memcpy(samples, samples_orig, size);
+            func(samples, volumes, channels, size);
+        } PA_RUNTIME_TEST_RUN_STOP
+
+        PA_RUNTIME_TEST_RUN_START("orig", TIMES, TIMES2) {
+            memcpy(samples_ref, samples_orig, size);
+            orig_func(samples_ref, volumes, channels, size);
+        } PA_RUNTIME_TEST_RUN_STOP
+
+        fail_unless(memcmp(samples_ref, samples, size) == 0);
+    }
+}
+
+#if defined (__i386__) || defined (__amd64__)
+START_TEST (svolume_mmx_test) {
+    pa_do_volume_func_t orig_func, mmx_func;
+    pa_cpu_x86_flag_t flags = 0;
+    int i, j;
+
+    pa_cpu_get_x86_flags(&flags);
+
+    if (!((flags & PA_CPU_X86_MMX) && (flags & PA_CPU_X86_CMOV))) {
+        pa_log_info("MMX/CMOV not supported. Skipping");
+        return;
+    }
+
+    orig_func = pa_get_volume_func(PA_SAMPLE_S16NE);
+    pa_volume_func_init_mmx(flags);
+    mmx_func = pa_get_volume_func(PA_SAMPLE_S16NE);
+
+    pa_log_debug("Checking MMX svolume");
+    for (i = 1; i <= 3; i++) {
+        for (j = 0; j < 7; j++)
+            run_volume_test(mmx_func, orig_func, j, i, true, false);
+    }
+    run_volume_test(mmx_func, orig_func, 7, 1, true, true);
+    run_volume_test(mmx_func, orig_func, 7, 2, true, true);
+    run_volume_test(mmx_func, orig_func, 7, 3, true, true);
+}
+END_TEST
+
+START_TEST (svolume_sse_test) {
+    pa_do_volume_func_t orig_func, sse_func;
+    pa_cpu_x86_flag_t flags = 0;
+    int i, j;
+
+    pa_cpu_get_x86_flags(&flags);
+
+    if (!(flags & PA_CPU_X86_SSE2)) {
+        pa_log_info("SSE2 not supported. Skipping");
+        return;
+    }
+
+    orig_func = pa_get_volume_func(PA_SAMPLE_S16NE);
+    pa_volume_func_init_sse(flags);
+    sse_func = pa_get_volume_func(PA_SAMPLE_S16NE);
+
+    pa_log_debug("Checking SSE2 svolume");
+    for (i = 1; i <= 3; i++) {
+        for (j = 0; j < 7; j++)
+            run_volume_test(sse_func, orig_func, j, i, true, false);
+    }
+    run_volume_test(sse_func, orig_func, 7, 1, true, true);
+    run_volume_test(sse_func, orig_func, 7, 2, true, true);
+    run_volume_test(sse_func, orig_func, 7, 3, true, true);
+}
+END_TEST
+#endif /* defined (__i386__) || defined (__amd64__) */
+
+#if defined (__arm__) && defined (__linux__)
+START_TEST (svolume_arm_test) {
+    pa_do_volume_func_t orig_func, arm_func;
+    pa_cpu_arm_flag_t flags = 0;
+    int i, j;
+
+    pa_cpu_get_arm_flags(&flags);
+
+    if (!(flags & PA_CPU_ARM_V6)) {
+        pa_log_info("ARMv6 instructions not supported. Skipping");
+        return;
+    }
+
+    orig_func = pa_get_volume_func(PA_SAMPLE_S16NE);
+    pa_volume_func_init_arm(flags);
+    arm_func = pa_get_volume_func(PA_SAMPLE_S16NE);
+
+    pa_log_debug("Checking ARM svolume");
+    for (i = 1; i <= 3; i++) {
+        for (j = 0; j < 7; j++)
+            run_volume_test(arm_func, orig_func, j, i, true, false);
+    }
+    run_volume_test(arm_func, orig_func, 7, 1, true, true);
+    run_volume_test(arm_func, orig_func, 7, 2, true, true);
+    run_volume_test(arm_func, orig_func, 7, 3, true, true);
+}
+END_TEST
+#endif /* defined (__arm__) && defined (__linux__) */
+
+START_TEST (svolume_orc_test) {
+    pa_do_volume_func_t orig_func, orc_func;
+    pa_cpu_info cpu_info;
+    int i, j;
+
+#if defined (__i386__) || defined (__amd64__)
+    pa_zero(cpu_info);
+    cpu_info.cpu_type = PA_CPU_X86;
+    pa_cpu_get_x86_flags(&cpu_info.flags.x86);
+#endif
+
+    orig_func = pa_get_volume_func(PA_SAMPLE_S16NE);
+
+    if (!pa_cpu_init_orc(cpu_info)) {
+        pa_log_info("Orc not supported. Skipping");
+        return;
+    }
+
+    orc_func = pa_get_volume_func(PA_SAMPLE_S16NE);
+
+    pa_log_debug("Checking Orc svolume");
+    for (i = 1; i <= 2; i++) {
+        for (j = 0; j < 7; j++)
+            run_volume_test(orc_func, orig_func, j, i, true, false);
+    }
+    run_volume_test(orc_func, orig_func, 7, 1, true, true);
+    run_volume_test(orc_func, orig_func, 7, 2, true, true);
+}
+END_TEST
+
+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("svolume");
+#if defined (__i386__) || defined (__amd64__)
+    tcase_add_test(tc, svolume_mmx_test);
+    tcase_add_test(tc, svolume_sse_test);
+#endif
+#if defined (__arm__) && defined (__linux__)
+    tcase_add_test(tc, svolume_arm_test);
+#endif
+    tcase_add_test(tc, svolume_orc_test);
+    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;
+}