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 <stdio.h>
23#include <stdlib.h>
24
25#include <check.h>
26
27#include <pulse/timeval.h>
28
29#include <pulsecore/log.h>
30#include <pulsecore/time-smoother.h>
31
32START_TEST (smoother_test) {
33    pa_usec_t x;
34    unsigned u = 0;
35    pa_smoother *s;
36    int m;
37
38/*     unsigned msec[] = { */
39/*         200, 200, */
40/*         300, 320, */
41/*         400, 400, */
42/*         500, 480, */
43/*         0, 0 */
44/*     }; */
45
46    int msec[200];
47
48    srand(0);
49
50    if (!getenv("MAKE_CHECK"))
51        pa_log_set_level(PA_LOG_DEBUG);
52
53    for (m = 0, u = 0; u < PA_ELEMENTSOF(msec); u+= 2) {
54
55        msec[u] = m+1 + (rand() % 100) - 50;
56        msec[u+1] = m + (rand() % 2000) - 1000   + 5000;
57
58        m += rand() % 100;
59
60        if (msec[u] < 0)
61            msec[u] = 0;
62
63        if (msec[u+1] < 0)
64            msec[u+1] = 0;
65    }
66
67    s = pa_smoother_new(700*PA_USEC_PER_MSEC, 2000*PA_USEC_PER_MSEC, false, true, 6, 0, true);
68
69    for (x = 0, u = 0; x < PA_USEC_PER_SEC * 10; x += PA_USEC_PER_MSEC) {
70
71        while (u < PA_ELEMENTSOF(msec) && (pa_usec_t) msec[u]*PA_USEC_PER_MSEC < x) {
72            pa_smoother_put(s, (pa_usec_t) msec[u] * PA_USEC_PER_MSEC, (pa_usec_t) msec[u+1] * PA_USEC_PER_MSEC);
73            pa_log_debug("%i\t\t%i", msec[u],  msec[u+1]);
74            u += 2;
75
76            if (u < PA_ELEMENTSOF(msec))
77                pa_smoother_resume(s, (pa_usec_t) msec[u] * PA_USEC_PER_MSEC, true);
78        }
79
80        pa_log_debug("%llu\t%llu", (unsigned long long) (x/PA_USEC_PER_MSEC), (unsigned long long) (pa_smoother_get(s, x)/PA_USEC_PER_MSEC));
81    }
82
83    pa_smoother_free(s);
84}
85END_TEST
86
87int main(int argc, char *argv[]) {
88    int failed = 0;
89    Suite *s;
90    TCase *tc;
91    SRunner *sr;
92
93    s = suite_create("Smoother");
94    tc = tcase_create("smoother");
95    tcase_add_test(tc, smoother_test);
96    suite_add_tcase(s, tc);
97
98    sr = srunner_create(s);
99    srunner_run_all(sr, CK_NORMAL);
100    failed = srunner_ntests_failed(sr);
101    srunner_free(sr);
102
103    return (failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
104}
105