merge 'lennart' branch back into trunk.

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1971 fefdeb5f-60dc-0310-8127-8f9354f1896f

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;
+}