// Duplicate filename in guicast
+#include "bccolors.inc"
#include "clip.h"
#include "vframe.inc"
#include <stdint.h>
-// bt601 coefs originaly used
-// Compression coefficients straight out of jpeglib
-#define R_TO_Y 0.29900
-#define G_TO_Y 0.58700
-#define B_TO_Y 0.11400
-
-#define R_TO_U -0.16874
-#define G_TO_U -0.33126
-#define B_TO_U 0.50000
-
-#define R_TO_V 0.50000
-#define G_TO_V -0.41869
-#define B_TO_V -0.08131
-
-// Decompression coefficients straight out of jpeglib
-#define V_TO_R 1.40200
-#define V_TO_G -0.71414
-
-#define U_TO_G -0.34414
-#define U_TO_B 1.77200
/*
Digital YCbCr is derived from analog RGB as follows:
#define utog8f (tabf+0x40200)
#define utob8f (tabf+0x40300)
-#define bc_always_inline __attribute__ ((__always_inline__)) inline
-
public:
YUV();
~YUV();
inline int is_mpeg() { return mpeg; }
static YUV yuv;
+ static float rgb_to_yuv_matrix[10];
+ static float yuv_to_rgb_matrix[10];
#define YUV_rgb_to_yuv_8(r,g,b, y,u,v) \
- y = (rtoy8[r] + gtoy8[g] + btoy8[b] + yzero) >> 16; \
- u = (rtou8[r] + gtou8[g] + btou8[b] + uvzero) >> 16; \
- v = (rtov8[r] + gtov8[g] + btov8[b] + uvzero) >> 16
+ y = iclip((rtoy8[r] + gtoy8[g] + btoy8[b] + yzero) >> 16, ymin8, ymax8); \
+ u = iclip((rtou8[r] + gtou8[g] + btou8[b] + uvzero) >> 16, uvmin8, uvmax8); \
+ v = iclip((rtov8[r] + gtov8[g] + btov8[b] + uvzero) >> 16, uvmin8, uvmax8)
bc_always_inline void rgb_to_yuv_8(int r, int g, int b, int &y, int &u, int &v) {
YUV_rgb_to_yuv_8(r,g,b, y,u,v);
}
#define YUV_rgb_to_yuv_16(r,g,b, y,u,v) \
- y = (rtoy16[r] + gtoy16[g] + btoy16[b] + yzero) >> 8; \
- u = (rtou16[r] + gtou16[g] + btou16[b] + uvzero) >> 8; \
- v = (rtov16[r] + gtov16[g] + btov16[b] + uvzero) >> 8
+ y = iclip((rtoy16[r] + gtoy16[g] + btoy16[b] + yzero) >> 8, ymin16, ymax16); \
+ u = iclip((rtou16[r] + gtou16[g] + btou16[b] + uvzero) >> 8, uvmin16, uvmax16); \
+ v = iclip((rtov16[r] + gtov16[g] + btov16[b] + uvzero) >> 8, uvmin16, uvmax16)
bc_always_inline void rgb_to_yuv_16(int r, int g, int b, int &y, int &u, int &v) {
YUV_rgb_to_yuv_16(r,g,b, y,u,v);
u = r * r_to_u + g * g_to_u + b * b_to_u;
v = r * r_to_v + g * g_to_v + b * b_to_v;
}
- bc_always_inline void rgb_to_yuv_8(float r, float g, float b, int &y, int &u, int &v) {
- float fy, fu, fv; rgb_to_yuv_f(r, g, b, fy, fu, fv);
- int iy = fy * 0x100, iu = fu * 0x100, iv = fv * 0x100;
- CLAMP(iy, ymin8, ymax8);
- CLAMP(iu, uvmin8, uvmax8); CLAMP(iv, uvmin8, uvmax8);
- y = iy; u = iu; v = iv;
+ bc_always_inline void rgb_to_yuv_f(float r, float g, float b, uint8_t &y, uint8_t &u, uint8_t &v) {
+ int ir = iclip(r*0x100, 0, 0xff);
+ int ig = iclip(g*0x100, 0, 0xff);
+ int ib = iclip(b*0x100, 0, 0xff);
+ rgb_to_yuv_8(ir,ig,ib, y,u,v);
}
- bc_always_inline void rgb_to_yuv_16(float r, float g, float b,
- int &y, int &u, int &v) {
- float fy, fu, fv; rgb_to_yuv_f(r, g, b, fy, fu, fv);
- int iy = fy * 0x10000, iu = fu * 0x10000, iv = fv * 0x10000;
- CLAMP(iy, ymin16, ymax16);
- CLAMP(iu, uvmin16, uvmax16); CLAMP(iv, uvmin16, uvmax16);
- y = iy; u = iu; v = iv;
+ bc_always_inline void rgb_to_yuv_f(float r, float g, float b, uint16_t &y, uint16_t &u, uint16_t &v) {
+ int ir = iclip(r*0x10000, 0, 0xffff);
+ int ig = iclip(g*0x10000, 0, 0xffff);
+ int ib = iclip(b*0x10000, 0, 0xffff);
+ rgb_to_yuv_16(ir,ig,ib, y,u,v);
}
#define YUV_yuv_to_rgb_8(r,g,b, y,u,v) \
- r = (ytab8[y] + vtor8[v]) >> 16; \
- g = (ytab8[y] + utog8[u] + vtog8[v]) >> 16; \
- b = (ytab8[y] + utob8[u]) >> 16
+ r = iclip((ytab8[y] + vtor8[v]) >> 16, 0, 0xff); \
+ g = iclip((ytab8[y] + utog8[u] + vtog8[v]) >> 16, 0, 0xff); \
+ b = iclip((ytab8[y] + utob8[u]) >> 16, 0, 0xff)
bc_always_inline void yuv_to_rgb_8(int &r, int &g, int &b, int y, int u, int v) {
YUV_yuv_to_rgb_8(r,g,b, y,u,v);
- CLAMP(r, 0, 0xff); CLAMP(g, 0, 0xff); CLAMP(b, 0, 0xff);
}
bc_always_inline void yuv_to_rgb_8(uint8_t &r, uint8_t &g, uint8_t &b, int y, int u, int v) {
YUV_yuv_to_rgb_8(r,g,b, y,u,v);
}
bc_always_inline void yuv_to_rgb_8(int &r, int &g, int &b) {
int y = r, u = g, v = b; YUV_yuv_to_rgb_8(r,g,b, y,u,v);
- CLAMP(r, 0, 0xff); CLAMP(g, 0, 0xff); CLAMP(b, 0, 0xff);
}
bc_always_inline void yuv_to_rgb_8(float &r, float &g, float &b, int y, int u, int v) {
- int ir, ig, ib; YUV_yuv_to_rgb_8(ir,ig,ib, y,u,v);
+ int ir, ig, ib; yuv_to_rgb_8(ir,ig,ib, y,u,v);
float s = 1/255.f; r = s*ir; g = s*ig; b = s*ib;
}
#define YUV_yuv_to_rgb_16(r,g,b, y,u,v) \
- r = (ytab16[y] + vtor16[v]) >> 8; \
- g = (ytab16[y] + utog16[u] + vtog16[v]) >> 8; \
- b = (ytab16[y] + utob16[u]) >> 8
+ r = iclip((ytab16[y] + vtor16[v]) >> 8, 0, 0xffff); \
+ g = iclip((ytab16[y] + utog16[u] + vtog16[v]) >> 8, 0, 0xffff); \
+ b = iclip((ytab16[y] + utob16[u]) >> 8, 0, 0xffff)
bc_always_inline void yuv_to_rgb_16(int &r, int &g, int &b, int y, int u, int v) {
YUV_yuv_to_rgb_16(r,g,b, y,u,v);
- CLAMP(r, 0, 0xffff); CLAMP(g, 0, 0xffff); CLAMP(b, 0, 0xffff);
}
bc_always_inline void yuv_to_rgb_16(uint16_t &r, uint16_t &g, uint16_t &b, int y, int u, int v) {
YUV_yuv_to_rgb_16(r,g,b, y,u,v);
}
bc_always_inline void yuv_to_rgb_16(int &r, int &g, int &b) {
int y = r, u = g, v = b; YUV_yuv_to_rgb_16(r,g,b, y,u,v);
- CLAMP(r, 0, 0xffff); CLAMP(g, 0, 0xffff); CLAMP(b, 0, 0xffff);
}
bc_always_inline void yuv_to_rgb_16(float &r, float &g, float &b, int y, int u, int v) {
int ir, ig, ib; YUV_yuv_to_rgb_16(ir,ig,ib, y,u,v);
g = y + u_to_g * u + v_to_g * v;
b = y + u_to_b * u;
}
+ bc_always_inline void yuv_to_rgb_f(float &r, float &g, float &b, uint8_t &y, uint8_t &u, uint8_t &v) {
+ yuv_to_rgb_8(r,g,b, y,u,v);
+ }
+ bc_always_inline void yuv_to_rgb_f(float &r, float &g, float &b, uint16_t &y, uint16_t &u, uint16_t &v) {
+ yuv_to_rgb_16(r,g,b, y,u,v);
+ }
+
+ bc_always_inline int rgb_to_y_8(int r, int g, int b) {
+ return (rtoy8[r] + gtoy8[g] + btoy8[b] + yzero) >> 16;
+ }
+ bc_always_inline int rgb_to_y_16(int r, int g, int b) {
+ return (rtoy16[r] + gtoy16[g] + btoy16[b] + yzero) >> 8;
+ }
+ bc_always_inline float rgb_to_y_f(float r, float g, float b) {
+ return r * r_to_y + g * g_to_y + b * b_to_y + yminf;
+ }
// For easier programming. Doesn't do anything.
// unused cases in macro expansions, mismatched argument types
inline void yuv_to_rgb_8(float &r, float &g, float &b, float y, float u, float v) {}
inline void yuv_to_rgb_16(float &r, float &g, float &b, float y, float u, float v) {}
inline void yuv_to_rgb_f(int &r, int &g, int &b, int y, int u, int v) {}
- inline void yuv_to_rgb_f(uint8_t &r, uint8_t &g, uint8_t &b, int y, int u, int v) {}
+ inline void yuv_to_rgb_f(uint8_t &r, uint8_t &g, uint8_t &b, int&y, int u, int v) {}
inline void yuv_to_rgb_f(uint16_t &r, uint16_t &g, uint16_t &b, int y, int u, int v) {}
+
inline void rgb_to_yuv_8(float r, float g, float b, float &y, float &u, float &v) {}
inline void rgb_to_yuv_16(float r, float g, float b, float &y, float &u, float &v) {}
- inline void rgb_to_yuv_f(int &r, int &g, int &b, int y, int u, int v) {}
- inline void rgb_to_yuv_f(uint8_t &r, uint8_t &g, uint8_t &b, int y, int u, int v) {}
- inline void rgb_to_yuv_f(uint16_t &r, uint16_t &g, uint16_t &b, int y, int u, int v) {}
+ inline void rgb_to_yuv_f(int r, int g, int b, int &y, int &u, int &v) {}
+ inline void rgb_to_yuv_f(uint8_t r, uint8_t g, uint8_t b, int &y, int &u, int &v) {}
+ inline void rgb_to_yuv_f(uint16_t r, uint16_t g, uint16_t b, int &y, int &u, int &v) {}
};
projects / goodguy / history.git / blobdiff