diff options
Diffstat (limited to 'src/tests/smoother-test.c')
-rw-r--r-- | src/tests/smoother-test.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/tests/smoother-test.c b/src/tests/smoother-test.c new file mode 100644 index 00000000..b78f3c91 --- /dev/null +++ b/src/tests/smoother-test.c @@ -0,0 +1,78 @@ +/*** + 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 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, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + USA. +***/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> + +#include <pulsecore/time-smoother.h> +#include <pulse/timeval.h> + +int main(int argc, char*argv[]) { + pa_usec_t x; + unsigned u = 0; + pa_smoother *s; + int m; + +/* unsigned msec[] = { */ +/* 200, 200, */ +/* 300, 320, */ +/* 400, 400, */ +/* 500, 480, */ +/* 0, 0 */ +/* }; */ + + int msec[200]; + + srand(0); + + for (m = 0, u = 0; u < PA_ELEMENTSOF(msec); u+= 2) { + + msec[u] = m+1 + (rand() % 100) - 50; + msec[u+1] = m + (rand() % 2000) - 1000; + + m += rand() % 100; + + if (msec[u] < 0) + msec[u] = 0; + + if (msec[u+1] < 0) + msec[u+1] = 0; + } + + s = pa_smoother_new(700*PA_USEC_PER_MSEC, 2000*PA_USEC_PER_MSEC, TRUE, 6); + + for (x = 0, u = 0; x < PA_USEC_PER_SEC * 10; x += PA_USEC_PER_MSEC) { + + while (u < PA_ELEMENTSOF(msec) && (pa_usec_t) msec[u]*PA_USEC_PER_MSEC < x) { + pa_smoother_put(s, msec[u]*PA_USEC_PER_MSEC, msec[u+1]*PA_USEC_PER_MSEC); + printf("%i\t\t%i\n", msec[u], msec[u+1]); + u += 2; + } + + printf("%llu\t%llu\n", (unsigned long long) (x/PA_USEC_PER_MSEC), (unsigned long long) (pa_smoother_get(s, x)/PA_USEC_PER_MSEC)); + } + + pa_smoother_free(s); + + return 0; +} |