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-rw-r--r--src/tests/mix-test.c362
1 files changed, 362 insertions, 0 deletions
diff --git a/src/tests/mix-test.c b/src/tests/mix-test.c
new file mode 100644
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--- /dev/null
+++ b/src/tests/mix-test.c
@@ -0,0 +1,362 @@
+/***
+ 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 <stdio.h>
+#include <math.h>
+
+#include <check.h>
+
+#include <pulse/sample.h>
+#include <pulse/volume.h>
+
+#include <pulsecore/macro.h>
+#include <pulsecore/endianmacros.h>
+#include <pulsecore/memblock.h>
+#include <pulsecore/sample-util.h>
+#include <pulsecore/mix.h>
+
+/* PA_SAMPLE_U8 */
+static const uint8_t u8_result[3][10] = {
+{ 0x00, 0xff, 0x7f, 0x80, 0x9f, 0x3f, 0x01, 0xf0, 0x20, 0x21 },
+{ 0x0c, 0xf2, 0x7f, 0x80, 0x9b, 0x45, 0x0d, 0xe4, 0x29, 0x2a },
+{ 0x00, 0xff, 0x7e, 0x80, 0xba, 0x04, 0x00, 0xff, 0x00, 0x00 },
+};
+
+/* PA_SAMPLE_ALAW */
+static const uint8_t alaw_result[3][10] = {
+{ 0x00, 0xff, 0x7f, 0x80, 0x9f, 0x3f, 0x01, 0xf0, 0x20, 0x21 },
+{ 0x06, 0xf2, 0x72, 0x86, 0x92, 0x32, 0x07, 0xf6, 0x26, 0x27 },
+{ 0x31, 0xec, 0x6d, 0xb1, 0x8c, 0x2d, 0x36, 0xe1, 0x2a, 0x2a },
+};
+
+/* PA_SAMPLE_ULAW */
+static const uint8_t ulaw_result[3][10] = {
+{ 0x00, 0xff, 0x7f, 0x80, 0x9f, 0x3f, 0x01, 0xf0, 0x20, 0x21 },
+{ 0x03, 0xff, 0xff, 0x83, 0xa2, 0x42, 0x04, 0xf2, 0x23, 0x24 },
+{ 0x00, 0xff, 0xff, 0x80, 0x91, 0x31, 0x00, 0xe9, 0x12, 0x13 },
+};
+
+static const uint16_t s16ne_result[3][10] = {
+{ 0x0000, 0xffff, 0x7fff, 0x8000, 0x9fff, 0x3fff, 0x0001, 0xf000, 0x0020, 0x0021 },
+{ 0x0000, 0xffff, 0x7332, 0x8ccd, 0xa998, 0x3998, 0x0000, 0xf199, 0x001c, 0x001d },
+{ 0x0000, 0xfffe, 0x7fff, 0x8000, 0x8000, 0x7997, 0x0001, 0xe199, 0x003c, 0x003e },
+};
+
+static const float float32ne_result[3][10] = {
+{ 0.000000, -1.000000, 1.000000, 4711.000000, 0.222000, 0.330000, -0.300000, 99.000000, -0.555000, -0.123000 },
+{ 0.000000, -0.899987, 0.899987, 4239.837402, 0.199797, 0.296996, -0.269996, 89.098679, -0.499493, -0.110698 },
+{ 0.000000, -1.899987, 1.899987, 8950.837891, 0.421797, 0.626996, -0.569996, 188.098679, -1.054493, -0.233698 },
+};
+
+static const uint32_t s32ne_result[3][10] = {
+{ 0x00000001, 0xffff0002, 0x7fff0003, 0x80000004, 0x9fff0005, 0x3fff0006, 0x00010007, 0xf0000008, 0x00200009, 0x0021000a },
+{ 0x00000000, 0xffff199b, 0x7332199c, 0x8ccd0003, 0xa998d99e, 0x3998999f, 0x0000e66c, 0xf199a007, 0x001cccc8, 0x001db32e },
+{ 0x00000001, 0xfffe199d, 0x7fffffff, 0x80000000, 0x80000000, 0x799799a5, 0x0001e673, 0xe199a00f, 0x003cccd1, 0x003eb338 },
+};
+
+/* attention: result is in BE, not NE! */
+static const uint8_t s24be_result[3][30] = {
+{ 0x00, 0x00, 0x01, 0xff, 0xff, 0x02, 0x7f, 0xff, 0x03, 0x80, 0x00, 0x04, 0x9f, 0xff, 0x05, 0x3f, 0xff, 0x06, 0x01, 0x00, 0x07, 0xf0, 0x00, 0x08, 0x20, 0x00, 0x09, 0x21, 0x00, 0x0a },
+{ 0x00, 0x00, 0x00, 0xff, 0xff, 0x1b, 0x73, 0x32, 0x1c, 0x8c, 0xcd, 0x03, 0xa9, 0x98, 0xde, 0x39, 0x98, 0x9f, 0x00, 0xe6, 0x6c, 0xf1, 0x99, 0xa7, 0x1c, 0xcc, 0xc8, 0x1d, 0xb3, 0x2e },
+{ 0x00, 0x00, 0x01, 0xff, 0xfe, 0x1d, 0x7f, 0xff, 0xff, 0x80, 0x00, 0x00, 0x80, 0x00, 0x00, 0x79, 0x97, 0xa5, 0x01, 0xe6, 0x73, 0xe1, 0x99, 0xaf, 0x3c, 0xcc, 0xd1, 0x3e, 0xb3, 0x38 },
+};
+
+static const uint32_t s24_32ne_result[3][10] = {
+{ 0x00000001, 0xffff0002, 0x7fff0003, 0x80000004, 0x9fff0005, 0x3fff0006, 0x00010007, 0xf0000008, 0x00200009, 0x0021000a },
+{ 0x00000000, 0x00ff199b, 0x00ff199c, 0x00000003, 0x00ff199e, 0x00ff199f, 0x0000e66c, 0x00000007, 0x001cccc8, 0x001db32e },
+{ 0x00000001, 0x00fe199d, 0x00fe199f, 0x00000007, 0x00fe19a3, 0x00fe19a5, 0x0001e673, 0x0000000f, 0x003cccd1, 0x003eb338 },
+};
+
+static void compare_block(const pa_sample_spec *ss, const pa_memchunk *chunk, int iter) {
+ void *d;
+ unsigned i;
+
+ d = pa_memblock_acquire(chunk->memblock);
+
+ switch (ss->format) {
+ case PA_SAMPLE_U8: {
+ const uint8_t *v = u8_result[iter];
+ uint8_t *u = d;
+
+ for (i = 0; i < chunk->length / pa_frame_size(ss); i++) {
+ fail_unless(*u == *v, NULL);
+ ++u;
+ ++v;
+ }
+ break;
+ }
+
+ case PA_SAMPLE_ALAW: {
+ const uint8_t *v = alaw_result[iter];
+ uint8_t *u = d;
+
+ for (i = 0; i < chunk->length / pa_frame_size(ss); i++) {
+ fail_unless(*u == *v, NULL);
+ ++u;
+ ++v;
+ }
+ break;
+ }
+
+ case PA_SAMPLE_ULAW: {
+ const uint8_t *v = ulaw_result[iter];
+ uint8_t *u = d;
+
+ for (i = 0; i < chunk->length / pa_frame_size(ss); i++) {
+ fail_unless(*u == *v, NULL);
+ ++u;
+ ++v;
+ }
+ break;
+ }
+
+ case PA_SAMPLE_S16NE:
+ case PA_SAMPLE_S16RE: {
+ const uint16_t *v = s16ne_result[iter];
+ uint16_t *u = d;
+
+ for (i = 0; i < chunk->length / pa_frame_size(ss); i++) {
+ uint16_t uu = PA_MAYBE_UINT16_SWAP(ss->format != PA_SAMPLE_S16NE, *u);
+ fail_unless(uu == *v, NULL);
+ ++u;
+ ++v;
+ }
+ break;
+ }
+
+ case PA_SAMPLE_FLOAT32NE:
+ case PA_SAMPLE_FLOAT32RE: {
+ const float *v = float32ne_result[iter];
+ float *u = d;
+
+ for (i = 0; i < chunk->length / pa_frame_size(ss); i++) {
+ float uu = ss->format == PA_SAMPLE_FLOAT32NE ? *u : PA_READ_FLOAT32RE(u);
+ fail_unless(fabsf(uu - *v) <= 1e-6f, NULL);
+ ++u;
+ ++v;
+ }
+ break;
+ }
+
+ case PA_SAMPLE_S32NE:
+ case PA_SAMPLE_S32RE: {
+ const uint32_t *v = s32ne_result[iter];
+ uint32_t *u = d;
+
+ for (i = 0; i < chunk->length / pa_frame_size(ss); i++) {
+ uint32_t uu = PA_MAYBE_UINT32_SWAP(ss->format != PA_SAMPLE_S32NE, *u);
+ fail_unless(uu == *v, NULL);
+ ++u;
+ ++v;
+ }
+ break;
+ }
+
+ case PA_SAMPLE_S24_32NE:
+ case PA_SAMPLE_S24_32RE: {
+ const uint32_t *v = s24_32ne_result[iter];
+ uint32_t *u = d;
+
+ for (i = 0; i < chunk->length / pa_frame_size(ss); i++) {
+ uint32_t uu = PA_MAYBE_UINT32_SWAP(ss->format != PA_SAMPLE_S24_32NE, *u);
+ fail_unless(uu == *v, NULL);
+ ++u;
+ ++v;
+ }
+ break;
+ }
+
+ case PA_SAMPLE_S24NE:
+ case PA_SAMPLE_S24RE: {
+ const uint8_t *v = s24be_result[iter];
+ uint8_t *u = d;
+
+ for (i = 0; i < chunk->length / pa_frame_size(ss); i++) {
+ uint32_t uu = ss->format == PA_SAMPLE_S24LE ? PA_READ24LE(u) : PA_READ24BE(u);
+ fail_unless(uu == PA_READ24BE(v), NULL);
+
+ u += 3;
+ v += 3;
+ }
+ break;
+ }
+
+ default:
+ pa_assert_not_reached();
+ }
+
+ pa_memblock_release(chunk->memblock);
+}
+
+static pa_memblock* generate_block(pa_mempool *pool, const pa_sample_spec *ss) {
+ pa_memblock *r;
+ void *d;
+ unsigned i;
+
+ pa_assert_se(r = pa_memblock_new(pool, pa_frame_size(ss) * 10));
+ d = pa_memblock_acquire(r);
+
+ switch (ss->format) {
+
+ case PA_SAMPLE_U8:
+ case PA_SAMPLE_ULAW:
+ case PA_SAMPLE_ALAW: {
+ memcpy(d, u8_result[0], sizeof(u8_result[0]));
+ break;
+ }
+
+ case PA_SAMPLE_S16NE:
+ case PA_SAMPLE_S16RE: {
+ if (ss->format == PA_SAMPLE_S16RE) {
+ uint16_t *u = d;
+ for (i = 0; i < 10; i++)
+ u[i] = PA_UINT16_SWAP(s16ne_result[0][i]);
+ } else
+ memcpy(d, s16ne_result[0], sizeof(s16ne_result[0]));
+ break;
+ }
+
+ case PA_SAMPLE_S24_32NE:
+ case PA_SAMPLE_S24_32RE:
+ case PA_SAMPLE_S32NE:
+ case PA_SAMPLE_S32RE: {
+ if (ss->format == PA_SAMPLE_S24_32RE || ss->format == PA_SAMPLE_S32RE) {
+ uint32_t *u = d;
+ for (i = 0; i < 10; i++)
+ u[i] = PA_UINT32_SWAP(s32ne_result[0][i]);
+ } else
+ memcpy(d, s32ne_result[0], sizeof(s32ne_result[0]));
+ break;
+ }
+
+ case PA_SAMPLE_S24NE:
+ case PA_SAMPLE_S24RE:
+ if (ss->format == PA_SAMPLE_S24LE) {
+ uint8_t *u = d;
+ for (i = 0; i < 30; i += 3)
+ PA_WRITE24LE(&u[i], PA_READ24BE(&s24be_result[0][i]));
+ } else
+ memcpy(d, s24be_result[0], sizeof(s24be_result[0]));
+ break;
+
+ case PA_SAMPLE_FLOAT32NE:
+ case PA_SAMPLE_FLOAT32RE: {
+ if (ss->format == PA_SAMPLE_FLOAT32RE) {
+ float *u = d;
+ for (i = 0; i < 10; i++)
+ PA_WRITE_FLOAT32RE(&u[i], float32ne_result[0][i]);
+ } else
+ memcpy(d, float32ne_result[0], sizeof(float32ne_result[0]));
+
+ break;
+ }
+
+ default:
+ pa_assert_not_reached();
+ }
+
+ pa_memblock_release(r);
+
+ return r;
+}
+
+START_TEST (mix_test) {
+ pa_mempool *pool;
+ pa_sample_spec a;
+ pa_cvolume v;
+
+ if (!getenv("MAKE_CHECK"))
+ pa_log_set_level(PA_LOG_DEBUG);
+
+ fail_unless((pool = pa_mempool_new(PA_MEM_TYPE_PRIVATE, 0, true)) != NULL, NULL);
+
+ a.channels = 1;
+ a.rate = 44100;
+
+ v.channels = a.channels;
+ v.values[0] = pa_sw_volume_from_linear(0.9);
+
+ for (a.format = 0; a.format < PA_SAMPLE_MAX; a.format ++) {
+ pa_memchunk i, j, k;
+ pa_mix_info m[2];
+ void *ptr;
+
+ pa_log_debug("=== mixing: %s", pa_sample_format_to_string(a.format));
+
+ /* Generate block */
+ i.memblock = generate_block(pool, &a);
+ i.length = pa_memblock_get_length(i.memblock);
+ i.index = 0;
+
+ /* Make a copy */
+ j = i;
+ pa_memblock_ref(j.memblock);
+ pa_memchunk_make_writable(&j, 0);
+
+ /* Adjust volume of the copy */
+ pa_volume_memchunk(&j, &a, &v);
+
+ compare_block(&a, &j, 1);
+
+ m[0].chunk = i;
+ m[0].volume.values[0] = PA_VOLUME_NORM;
+ m[0].volume.channels = a.channels;
+ m[1].chunk = j;
+ m[1].volume.values[0] = PA_VOLUME_NORM;
+ m[1].volume.channels = a.channels;
+
+ k.memblock = pa_memblock_new(pool, i.length);
+ k.length = i.length;
+ k.index = 0;
+
+ ptr = pa_memblock_acquire_chunk(&k);
+ pa_mix(m, 2, ptr, k.length, &a, NULL, false);
+ pa_memblock_release(k.memblock);
+
+ compare_block(&a, &k, 2);
+
+ pa_memblock_unref(i.memblock);
+ pa_memblock_unref(j.memblock);
+ pa_memblock_unref(k.memblock);
+ }
+
+ pa_mempool_unref(pool);
+}
+END_TEST
+
+int main(int argc, char *argv[]) {
+ int failed = 0;
+ Suite *s;
+ TCase *tc;
+ SRunner *sr;
+
+ s = suite_create("Mix");
+ tc = tcase_create("mix");
+ tcase_add_test(tc, mix_test);
+ 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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