gstreamer/gst/goom/goom_tools.c
Bastien Nocera a7bc7485b1 configure.ac: Add checks for Flex/Yacc/Bison and other furry animals, for the new goom 2k4 based plugin
Original commit message from CVS:
2008-02-23  Bastien Nocera  <hadess@hadess.net>

* configure.ac: Add checks for Flex/Yacc/Bison and other
furry animals, for the new goom 2k4 based plugin

* gst/goom/*: Update to use goom 2k4, uses liboil to detect
CPU optimisations (not working yet), move the old plugin to...

* gst/goom2k1/*: ... here, in case somebody is sick enough

Fixes #515073
2008-02-23 01:51:37 +00:00

32 lines
647 B
C

#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--;
}
}