research.m1stereo.tv/gitweb/ - melted/blob - src/modules/effectv/utils.h

   1 /*
   2  * EffecTV - Realtime Digital Video Effector
   3  * Copyright (C) 2001-2006 FUKUCHI Kentaro
   4  *
   5  * utils.h: header file for utils
   6  *
   7  */
   8
   9 #ifndef __UTILS_H__
  10 #define __UTILS_H__
  11
  12 #include <inttypes.h>
  13
  14 typedef uint32_t RGB32;
  15
  16 /* DEFINE's by nullset@dookie.net */
  17 #define RED(n)  ((n>>16) & 0x000000FF)
  18 #define GREEN(n) ((n>>8) & 0x000000FF)
  19 #define BLUE(n)  ((n>>0) & 0x000000FF)
  20 #define RGB(r,g,b) ((0<<24) + (r<<16) + (g <<8) + (b))
  21 #define INTENSITY(n)    ( ( (RED(n)+GREEN(n)+BLUE(n))/3))
  22
  23 /* utils.c */
  24 void HSItoRGB(double H, double S, double I, int *r, int *g, int *b);
  25
  26 extern unsigned int fastrand_val;
  27 unsigned int fastrand(void);
  28 void fastsrand(unsigned int);
  29 #define inline_fastrand() (fastrand_val=fastrand_val*1103515245+12345)
  30
  31 /* image.c */
  32 int image_set_threshold_y(int threshold);
  33 void image_bgset_y(RGB32 *background, const RGB32 *src, int video_area, int y_threshold);
  34 void image_bgsubtract_y(unsigned char *diff, const RGB32 *background, const RGB32 *src, int video_area, int y_threshold);
  35 void image_bgsubtract_update_y(unsigned char *diff, RGB32 *background, const RGB32 *src, int video_area, int y_threshold);
  36 RGB32 image_set_threshold_RGB(int r, int g, int b);
  37 void image_bgset_RGB(RGB32 *background, const RGB32 *src, int video_area);
  38 void image_bgsubtract_RGB(unsigned char *diff, const RGB32 *background, const RGB32 *src, int video_area, RGB32 rgb_threshold);
  39 void image_bgsubtract_update_RGB(unsigned char *diff, RGB32 *background, const RGB32 *src, int video_area, RGB32 rgb_threshold);
  40 void image_diff_filter(unsigned char *diff2, const unsigned char *diff, int width, int height);
  41 void image_y_over(unsigned char *diff, const RGB32 *src, int video_area, int y_threshold);
  42 void image_y_under(unsigned char *diff, const RGB32 *src, int video_area, int y_threshold);
  43 void image_edge(unsigned char *diff2, const RGB32 *src, int width, int height, int y_threshold);
  44 void image_hflip(const RGB32 *src, RGB32 *dest, int width, int height);
  45
  46 #endif /* __UTILS_H__ */