summaryrefslogtreecommitdiff
path: root/gst/goom/goom_tools.c
diff options
context:
space:
mode:
authorHyungKyu Song <hk76.song@samsung.com>2013-02-16 00:14:42 +0900
committerHyungKyu Song <hk76.song@samsung.com>2013-02-16 00:14:42 +0900
commit715f9ce62a12d128754d2cf47f90a024b537e320 (patch)
tree57fb94c81055a31938bea831641092152a03089f /gst/goom/goom_tools.c
parentdfa84b358c7cdf0535eba1fead62fc4122cc56e6 (diff)
downloadgst-plugins-good0.10-tizen_2.0.tar.gz
gst-plugins-good0.10-tizen_2.0.tar.bz2
gst-plugins-good0.10-tizen_2.0.zip
Diffstat (limited to 'gst/goom/goom_tools.c')
-rw-r--r--gst/goom/goom_tools.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/gst/goom/goom_tools.c b/gst/goom/goom_tools.c
new file mode 100644
index 0000000..4f9a6b2
--- /dev/null
+++ b/gst/goom/goom_tools.c
@@ -0,0 +1,50 @@
+/* Goom Project
+ * Copyright (C) <2003> iOS-Software
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+#include "goom_tools.h"
+#include <stdlib.h>
+
+GoomRandom *
+goom_random_init (int i)
+{
+ GoomRandom *grandom = (GoomRandom *) malloc (sizeof (GoomRandom));
+
+ srand (i);
+ grandom->pos = 1;
+ goom_random_update_array (grandom, GOOM_NB_RAND);
+ return grandom;
+}
+
+void
+goom_random_free (GoomRandom * grandom)
+{
+ free (grandom);
+}
+
+void
+goom_random_update_array (GoomRandom * grandom, int numberOfValuesToChange)
+{
+ while (numberOfValuesToChange > 0) {
+#if RAND_MAX < 0x10000
+ grandom->array[grandom->pos++] = ((rand () << 16) + rand ()) / 127;
+#else
+ grandom->array[grandom->pos++] = rand () / 127;
+#endif
+ numberOfValuesToChange--;
+ }
+}