mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-25 03:01:03 +00:00
a7bc7485b1
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
33 lines
794 B
C
33 lines
794 B
C
#ifndef _GOOMTOOLS_H
|
|
#define _GOOMTOOLS_H
|
|
|
|
/**
|
|
* Random number generator wrapper for faster random number.
|
|
*/
|
|
|
|
#define GOOM_NB_RAND 0x10000
|
|
|
|
typedef struct _GOOM_RANDOM {
|
|
int array[GOOM_NB_RAND];
|
|
unsigned short pos;
|
|
} GoomRandom;
|
|
|
|
GoomRandom *goom_random_init(int i);
|
|
void goom_random_free(GoomRandom *grandom);
|
|
|
|
inline static int goom_random(GoomRandom *grandom) {
|
|
|
|
grandom->pos++; /* works because pos is an unsigned short */
|
|
return grandom->array[grandom->pos];
|
|
}
|
|
|
|
inline static int goom_irand(GoomRandom *grandom, int i) {
|
|
|
|
grandom->pos++;
|
|
return grandom->array[grandom->pos] % i;
|
|
}
|
|
|
|
/* called to change the specified number of value in the array, so that the array does not remain the same*/
|
|
void goom_random_update_array(GoomRandom *grandom, int numberOfValuesToChange);
|
|
|
|
#endif
|