1 /***
2 This file is part of PulseAudio.
3
4 PulseAudio is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published
6 by the Free Software Foundation; either version 2.1 of the License,
7 or (at your option) any later version.
8
9 PulseAudio is distributed in the hope that it will be useful, but
10 WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public License
15 along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
16 ***/
17
18 #ifdef HAVE_CONFIG_H
19 #include <config.h>
20 #endif
21
22 #include <check.h>
23
24 #include <pulsecore/cpu.h>
25 #include <pulsecore/cpu-arm.h>
26 #include <pulsecore/random.h>
27 #include <pulsecore/macro.h>
28 #include <pulsecore/mix.h>
29
30 #include "runtime-test-util.h"
31
32 #define SAMPLES 1028
33 #define TIMES 1000
34 #define TIMES2 100
35
acquire_mix_streams(pa_mix_info streams[],unsigned nstreams)36 static void acquire_mix_streams(pa_mix_info streams[], unsigned nstreams) {
37 unsigned i;
38
39 for (i = 0; i < nstreams; i++)
40 streams[i].ptr = pa_memblock_acquire_chunk(&streams[i].chunk);
41 }
42
release_mix_streams(pa_mix_info streams[],unsigned nstreams)43 static void release_mix_streams(pa_mix_info streams[], unsigned nstreams) {
44 unsigned i;
45
46 for (i = 0; i < nstreams; i++)
47 pa_memblock_release(streams[i].chunk.memblock);
48 }
49
run_mix_test(pa_do_mix_func_t func,pa_do_mix_func_t orig_func,int align,int channels,bool correct,bool perf)50 static void run_mix_test(
51 pa_do_mix_func_t func,
52 pa_do_mix_func_t orig_func,
53 int align,
54 int channels,
55 bool correct,
56 bool perf) {
57
58 PA_DECLARE_ALIGNED(8, int16_t, in0[SAMPLES * 4]) = { 0 };
59 PA_DECLARE_ALIGNED(8, int16_t, in1[SAMPLES * 4]) = { 0 };
60 PA_DECLARE_ALIGNED(8, int16_t, out[SAMPLES * 4]) = { 0 };
61 PA_DECLARE_ALIGNED(8, int16_t, out_ref[SAMPLES * 4]) = { 0 };
62 int16_t *samples0, *samples1;
63 int16_t *samples, *samples_ref;
64 int nsamples;
65 pa_mempool *pool;
66 pa_memchunk c0, c1;
67 pa_mix_info m[2];
68 int i;
69
70 pa_assert(channels == 1 || channels == 2 || channels == 4);
71
72 /* Force sample alignment as requested */
73 samples0 = in0 + (8 - align);
74 samples1 = in1 + (8 - align);
75 samples = out + (8 - align);
76 samples_ref = out_ref + (8 - align);
77 nsamples = channels * (SAMPLES - (8 - align));
78
79 fail_unless((pool = pa_mempool_new(PA_MEM_TYPE_PRIVATE, 0, true)) != NULL, NULL);
80
81 pa_random(samples0, nsamples * sizeof(int16_t));
82 c0.memblock = pa_memblock_new_fixed(pool, samples0, nsamples * sizeof(int16_t), false);
83 c0.length = pa_memblock_get_length(c0.memblock);
84 c0.index = 0;
85
86 pa_random(samples1, nsamples * sizeof(int16_t));
87 c1.memblock = pa_memblock_new_fixed(pool, samples1, nsamples * sizeof(int16_t), false);
88 c1.length = pa_memblock_get_length(c1.memblock);
89 c1.index = 0;
90
91 m[0].chunk = c0;
92 m[0].volume.channels = channels;
93 for (i = 0; i < channels; i++) {
94 m[0].volume.values[i] = PA_VOLUME_NORM;
95 m[0].linear[i].i = 0x5555;
96 }
97
98 m[1].chunk = c1;
99 m[1].volume.channels = channels;
100 for (i = 0; i < channels; i++) {
101 m[1].volume.values[i] = PA_VOLUME_NORM;
102 m[1].linear[i].i = 0x6789;
103 }
104
105 if (correct) {
106 acquire_mix_streams(m, 2);
107 orig_func(m, 2, channels, samples_ref, nsamples * sizeof(int16_t));
108 release_mix_streams(m, 2);
109
110 acquire_mix_streams(m, 2);
111 func(m, 2, channels, samples, nsamples * sizeof(int16_t));
112 release_mix_streams(m, 2);
113
114 for (i = 0; i < nsamples; i++) {
115 if (samples[i] != samples_ref[i]) {
116 pa_log_debug("Correctness test failed: align=%d, channels=%d", align, channels);
117 pa_log_debug("%d: %hd != %04hd (%hd + %hd)",
118 i,
119 samples[i], samples_ref[i],
120 samples0[i], samples1[i]);
121 ck_abort();
122 }
123 }
124 }
125
126 if (perf) {
127 pa_log_debug("Testing %d-channel mixing performance with %d sample alignment", channels, align);
128
129 PA_RUNTIME_TEST_RUN_START("func", TIMES, TIMES2) {
130 acquire_mix_streams(m, 2);
131 func(m, 2, channels, samples, nsamples * sizeof(int16_t));
132 release_mix_streams(m, 2);
133 } PA_RUNTIME_TEST_RUN_STOP
134
135 PA_RUNTIME_TEST_RUN_START("orig", TIMES, TIMES2) {
136 acquire_mix_streams(m, 2);
137 orig_func(m, 2, channels, samples_ref, nsamples * sizeof(int16_t));
138 release_mix_streams(m, 2);
139 } PA_RUNTIME_TEST_RUN_STOP
140 }
141
142 pa_memblock_unref(c0.memblock);
143 pa_memblock_unref(c1.memblock);
144
145 pa_mempool_unref(pool);
146 }
147
START_TEST(mix_special_test)148 START_TEST (mix_special_test) {
149 pa_cpu_info cpu_info = { PA_CPU_UNDEFINED, {}, false };
150 pa_do_mix_func_t orig_func, special_func;
151
152 cpu_info.force_generic_code = true;
153 pa_mix_func_init(&cpu_info);
154 orig_func = pa_get_mix_func(PA_SAMPLE_S16NE);
155
156 cpu_info.force_generic_code = false;
157 pa_mix_func_init(&cpu_info);
158 special_func = pa_get_mix_func(PA_SAMPLE_S16NE);
159
160 pa_log_debug("Checking special mix (s16, stereo)");
161 run_mix_test(special_func, orig_func, 7, 2, true, true);
162
163 pa_log_debug("Checking special mix (s16, 4-channel)");
164 run_mix_test(special_func, orig_func, 7, 4, true, true);
165
166 pa_log_debug("Checking special mix (s16, mono)");
167 run_mix_test(special_func, orig_func, 7, 1, true, true);
168 }
169 END_TEST
170
171 #if defined (__arm__) && defined (__linux__) && defined (HAVE_NEON)
START_TEST(mix_neon_test)172 START_TEST (mix_neon_test) {
173 pa_do_mix_func_t orig_func, neon_func;
174 pa_cpu_arm_flag_t flags = 0;
175
176 pa_cpu_get_arm_flags(&flags);
177
178 if (!(flags & PA_CPU_ARM_NEON)) {
179 pa_log_info("NEON not supported. Skipping");
180 return;
181 }
182
183 orig_func = pa_get_mix_func(PA_SAMPLE_S16NE);
184 pa_mix_func_init_neon(flags);
185 neon_func = pa_get_mix_func(PA_SAMPLE_S16NE);
186
187 pa_log_debug("Checking NEON mix (s16, stereo)");
188 run_mix_test(neon_func, orig_func, 7, 2, true, true);
189
190 pa_log_debug("Checking NEON mix (s16, 4-channel)");
191 run_mix_test(neon_func, orig_func, 7, 4, true, true);
192
193 pa_log_debug("Checking NEON mix (s16, mono)");
194 run_mix_test(neon_func, orig_func, 7, 1, true, true);
195 }
196 END_TEST
197 #endif /* defined (__arm__) && defined (__linux__) && defined (HAVE_NEON) */
198
main(int argc,char * argv[])199 int main(int argc, char *argv[]) {
200 int failed = 0;
201 Suite *s;
202 TCase *tc;
203 SRunner *sr;
204
205 if (!getenv("MAKE_CHECK"))
206 pa_log_set_level(PA_LOG_DEBUG);
207
208 s = suite_create("CPU");
209
210 tc = tcase_create("mix");
211 tcase_add_test(tc, mix_special_test);
212 #if defined (__arm__) && defined (__linux__) && defined (HAVE_NEON)
213 tcase_add_test(tc, mix_neon_test);
214 #endif
215 tcase_set_timeout(tc, 120);
216 suite_add_tcase(s, tc);
217
218 sr = srunner_create(s);
219 srunner_run_all(sr, CK_NORMAL);
220 failed = srunner_ntests_failed(sr);
221 srunner_free(sr);
222
223 return (failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
224 }
225