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-rw-r--r--src/tests/smoother-test.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/src/tests/smoother-test.c b/src/tests/smoother-test.c
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--- /dev/null
+++ b/src/tests/smoother-test.c
@@ -0,0 +1,80 @@
+/* $Id$ */
+
+/***
+ 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)-2; u+= 2) {
+
+ msec[u] = m+1;
+ msec[u+1] = m + rand() % 2000 - 1000;
+
+ m += rand() % 100;
+
+ if (msec[u+1] < 0)
+ msec[u+1] = 0;
+ }
+
+ msec[PA_ELEMENTSOF(msec)-2] = 0;
+ msec[PA_ELEMENTSOF(msec)-1] = 0;
+
+ s = pa_smoother_new(1000*PA_USEC_PER_MSEC, 2000*PA_USEC_PER_MSEC, TRUE);
+
+ for (x = 0, u = 0; x < PA_USEC_PER_SEC * 10; x += PA_USEC_PER_MSEC) {
+
+ while (msec[u] > 0 && (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", x/PA_USEC_PER_MSEC, pa_smoother_get(s, x)/PA_USEC_PER_MSEC);
+ }
+
+ pa_smoother_free(s);
+
+ return 0;
+}