📄 yuv2rgb.c

📁 PocketMVP V0.8082503 source for Pocket 的程序源代码
💻 C
📖 第 1 页 / 共 5 页
字号:
12 3 4 5 下一页
/**************************************************************************
 *																							*
 * This software is an implementation of a part of one or more MPEG-4 Video tools as        *
 * specified in ISO/IEC 14496-2 standard.  Those intending to use this						*
 * software module in hardware or software products are advised that its					*
 * use may infringe existing patents or copyrights, and any such use						*
 * would be at such party's own risk.  The original developer of this						*
 * software module and his/her company, and subsequent editors and their					*
 * companies, will have no liability for use of												*
 * this software or modifications or derivatives thereof.									*
 *																							*
 /***************************************************************************************
 *This program is free software; you can redistribute it and/or modify					*
 * it under the terms of the GNU General Public License as published by					*
 * the Free Software Foundation; either version 2 of the License, or					*
 * (at your option) any later version.													*
 *																						*
 * The GPL can be found at: http://www.gnu.org/copyleft/gpl.html						*
 *																						*																						*	
 *																							*
 *																							*
 * Authors:																					*
 *          Marc Dukette      
 *			Pedro Mateu
 **************************************************************************************/

#include <memory.h>

#include "portab.h"

#include "yuv2rgb.h"
//unsigned char LimitValues[768]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
//255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255};
#if defined(GAPI)||(defined(_USEVIDBUFF))
#ifdef MIPS
#ifdef HPC
	#define DisplayWidth 800
	#define DisplayHeight 480
	#define VisibleWidth 800
	#define VisibleHeight 480
#else
	#define DisplayWidth 256
	#define DisplayHeight 320
	#define VisibleWidth 240
	#define VisibleHeight 320
#endif
#else
#ifdef IPAQ
	#define DisplayWidth 320
	#define DisplayHeight 240
	#define VisibleWidth 320
	#define VisibleHeight 240
#else
#ifdef HPC
	#define VisibleWidth 640
	#define DisplayWidth 640
	#define VisibleHeight 240
	#define DisplayHeight 240
#else
	#define VisibleWidth 240
	#define DisplayWidth 240
	#define VisibleHeight 320
	#define DisplayHeight 320
#endif
#endif
#endif
#else
#ifdef HPC
	#define VisibleWidth 640
	#define DisplayWidth 640
	#define VisibleHeight 240
	#define DisplayHeight 240
#else
	#define VisibleWidth 240
	#define DisplayWidth 240
	#define VisibleHeight 320
	#define DisplayHeight 320
#endif
#endif


// 16 greyscale level - aero 1530,Monopaq
#ifdef _GREYSCALE_16
#define _S(a) (a)>255 ? 255 : a 

void yuv2rgb_565(uint8_t *puc_y, int stride_y, 
uint8_t *puc_u, uint8_t *puc_v, int stride_uv, 
uint8_t *puc_out, int width_y, int height_y, int stride_dest, int Dither,int Brightness,uint8_t *puc_yp,uint8_t *puc_up,uint8_t *puc_vp, __int8 slowopt, int invert) 
{
	register int x,y; 
	unsigned char *pus_out; 
	register unsigned int l,l2;					//luminance (brightness) value
	register unsigned int quant_error_l;		
	register unsigned int mask=0;
	if (stride_dest<0) stride_dest=0;
	if (Dither==1){mask=0x0F;}
	if ((height_y)>VisibleHeight) height_y=VisibleHeight;
	if ((width_y)>VisibleWidth) width_y=VisibleWidth;
	pus_out = (unsigned char *) puc_out; 
	quant_error_l=0;
	for (y=0; y<height_y; y++) 
	{ 
		for (x=0;x<width_y;x+=2)
		{ 
			l = _S(puc_y[x]+quant_error_l+Brightness); 
			quant_error_l=l&mask;
			l2 = _S(puc_y[x+1]+quant_error_l+Brightness);
			quant_error_l=l2&mask;
			pus_out[0] = (unsigned char) (l&0xF0)|((l2&0xF0)>>4);
			pus_out++; 
		} 
		puc_y += stride_y; 
		pus_out+=(stride_dest>>1); 
	} 
} 

void yuv2rgb_565Z(uint8_t *puc_y, int stride_y, 
uint8_t *puc_u, uint8_t *puc_v, int stride_uv, 
uint8_t *puc_out, int width_y, int height_y, int nExtra, int Dither,int Brightness,uint8_t *puc_yp,uint8_t *puc_up,uint8_t *puc_vp, __int8 slowopt, int invert)
{ 
	register int x,y; 
	unsigned int l,l2;
	unsigned int quant_error_l;
	register unsigned int mask=0;
	unsigned char *pus_out; 
	int we;
	if (nExtra<0) nExtra=0;
	if (Dither==1){mask=0x0F;}
	if ((height_y<<1)>VisibleHeight) height_y=VisibleHeight>>1;
	if ((width_y<<1)>VisibleWidth) width_y=VisibleWidth>>1;
	we=width_y+(nExtra>>1);
	pus_out = (unsigned char *) puc_out;
	quant_error_l=0;	 
	for (y=0; y<height_y; y++) 
	{ 
		for (x=0;x<width_y; x++)
		{ 
			l = _S(puc_y[x]+quant_error_l+Brightness); 
			quant_error_l=l&mask;
			l2 = _S(puc_y[x]+quant_error_l+Brightness);
			quant_error_l=l2&mask;
			pus_out[0] = (unsigned char) (l&0xF0)|((l2&0xF0)>>4);
			pus_out[we] = (unsigned char) (l2&0xF0)|((l&0xF0)>>4);
			pus_out++; 
		} 
		pus_out+=we;
		pus_out+=(nExtra>>1);
		puc_y += stride_y; 
	} 
} 

void yuv2rgb_565R(uint8_t *puc_y, int stride_y, 
uint8_t *puc_u, uint8_t *puc_v, int stride_uv, 
uint8_t *puc_out, int width_y, int height_y, int Extra, int Dither,int Brightness,uint8_t *puc_yp,uint8_t *puc_up,uint8_t *puc_vp, __int8 slowopt, int invert)
{ 
	register int x,y; 
	unsigned char *pus_out; 
	register unsigned int l,l2; 
	register unsigned int mask=0;
	register unsigned int quant_error_l;	
	if (Extra<0) Extra=0;
	if (Dither==1){mask=0x0F;}
	pus_out = (unsigned char *) puc_out; 
	quant_error_l=0;
	for (y=0; y<(height_y>>1); y++) 
	{ 
		pus_out = (unsigned char *) puc_out;
		pus_out+=y;
		for (x=width_y-1;x!=0;x--)
		{ 
			l = _S(puc_y[x]+quant_error_l+Brightness); 
			quant_error_l=l&mask;		
			l2 = _S(puc_y[x+stride_y]+quant_error_l+Brightness);
			quant_error_l=l2&mask;	
			pus_out[0] = (unsigned char)(l&0xF0)|((l2&0xF0)>>4); 
			pus_out+=(height_y+Extra)>>1;
		} 
		puc_y += (stride_y<<1); 
	} 
} 

void yuv2rgb_565RZ(uint8_t *puc_y, int stride_y, 
uint8_t *puc_u, uint8_t *puc_v, int stride_uv, 
uint8_t *puc_out, int width_y, int height_y, int nExtra, int Dither,int Brightness,uint8_t *puc_yp,uint8_t *puc_up,uint8_t *puc_vp, __int8 slowopt, int invert)
{ 

	register int x,y; 
	unsigned char *pus_out; 
	register unsigned int l; 
	register unsigned int quant_error_l;
	register unsigned int mask=0;
	if (nExtra<0) nExtra=0;
	if (Dither==1){mask=0x0F;}
	if ((width_y<<1)>VisibleHeight) width_y=VisibleHeight>>1;
	if ((height_y<<1)>VisibleWidth) height_y=VisibleWidth>>1;
	pus_out = (unsigned char *) puc_out;
	quant_error_l=0;	 
	for (y=0; y<height_y; y++) 
	{ 
		pus_out = (unsigned char *) puc_out;
		pus_out+=y;
		for (x=width_y-1;x!=0;x--)
		{ 
			l= _S(puc_y[x]+quant_error_l+Brightness); 
			quant_error_l=l&0x0F;
			pus_out[0] = pus_out[(height_y+nExtra)] =(unsigned char)(l&0xF0)|((l&0xF0)>>4); 
			pus_out+=(height_y+nExtra)<<1;
		} 
		puc_y += stride_y; 
	} 
} 

// 4 greyscale level- NINO300,...

#elif _GREYSCALE_4

#ifdef MIPS
#define _S(a) (a)>255 ? 255 : a 

void yuv2rgb_565( 
uint8_t *puc_y, int stride_y, 
uint8_t *puc_out, 
int width_y, int height_y,int stride_dest, int Dither) 
{ 

//YUV2RGB MIPS ASM v1.1 
// 
//v1.1=>peque駉 aumento de velocidad
//SE => yuv2rgb para unidades de 4 grises (NINO 300...)
	
__asm (	//creamos nueva pila y salvamos registros 
		"addiu	sp,sp,-36;" 
		"sw		$18,20(sp);" 
		"sw		$17,16(sp);" 
		"sw		$16,12(sp);" 

		//calculamos stride_uv 

		"srl	$14,$5,1;" 

		//cargamos todas las variables necesarias 
		"lw		$18,56(sp);"//cargamos stride_dest 
		"lw		$2,52(sp);" 
//		"lw		$13,48(sp);" 
//		"lw		$25,44(sp);" 
		"lbu	$10,0($4);" 

		"srl	$18,$18,2;");//para poder usar stride_dest como pixels 
__asm(
		//diferencias de strides 

		"sub	$16,$5,$7;" 
		"srl	$8,$7,1;" 
		"sub	$14,$14,$8;" 

		// 
		"addi	$11,$0,0;"
		"addi	$12,$0,0;"

		"srl	$17,$7,2;" 
		"add	$17,$6,$17;" 

		//dividimos Y por 2 y comenzamos bucle 

		"srl	$2,$2,1;" 

		"bucle_y:add	$15,$4,$5;" 
		"srl	$3,$7,2;" 

		//bucle x 
		
		"add	$17,$17,$18;");//dst_buf2+ 

		//luminancia 1
__asm(	"bucle_x:add	$10,$10,$11;"
		"addi	$10,$10,-16;"
		"srl	$9,$10,16;"
		"srlv	$10,$10,$9;"
		"sll	$9,$10,23;"
		"sra	$9,$9,31;"
		"or		$10,$10,$9;"
		"andi	$11,$10,0x003F;"
		"andi	$24,$10,0x00C0;" 
		"lbu	$10,1($4);"
		//"srl	$24,$9,6;" 
			
		//primer punto ,ahora procesamos segundo. 

		//luminancia 2 
	
		"add	$10,$10,$11;"
		"addi	$10,$10,-16;"
		"srl	$9,$10,16;"
		"srlv	$10,$10,$9;"
		"sll	$9,$10,23;"
		"sra	$9,$9,31;"
		"or		$10,$10,$9;"
		"andi	$11,$10,0x003F;"
		"andi	$9,$10,0x00C0;" 
		"srl	$9,$9,2;" 
		"lbu	$10,2($4);"
		"or		$24,$24,$9;" 
 
); 
		//luminancia 3
__asm(	"add	$10,$10,$11;"
		"addi	$10,$10,-16;"
		"srl	$9,$10,16;"
		"srlv	$10,$10,$9;"
		"sll	$9,$10,23;"
		"sra	$9,$9,31;"
		"or		$10,$10,$9;"
		"andi	$11,$10,0x003F;"
		"andi	$9,$10,0x00C0;" 
		"lbu	$10,3($4);"
		"srl	$9,$9,4;" 
		"or		$24,$24,$9;"
			
		//primer punto ,ahora procesamos segundo. 

		//luminancia 4 

		//cargamos aqui para no tener interbloqueo 
		"add	$10,$10,$11;"
		"addi	$10,$10,-16;"
		"srl	$9,$10,16;"
		"srlv	$10,$10,$9;"
		"sll	$9,$10,23;"
		"sra	$9,$9,31;"
		"or		$10,$10,$9;"
		"andi	$11,$10,0x003F;"
		"andi	$9,$10,0x00C0;" 
		"lbu	$10,0($15);"
		"srl	$9,$9,6;"
		"or		$24,$24,$9;" 
	
		
		//presentamos el punto 

		"sb		$24,0($6);" 
); 
__asm( 	//f2-luminacia 1 
		 
		"add	$10,$10,$12;"
		"addi	$10,$10,-16;"
		"srl	$9,$10,16;"
		"srlv	$10,$10,$9;"
		"sll	$9,$10,23;"
		"sra	$9,$9,31;"
		"or		$10,$10,$9;"
		"andi	$12,$10,0x003F;"
		"andi	$24,$10,0x00C0;" 
		//"srl	$24,$9,6;"
		"lbu	$10,1($15);"//cargamos aqui para no tener interbloqueo 
		 
		

		//primer punto ,ahora procesamos segundo. 

		//f2-luminacia 2
		
		"add	$10,$10,$12;"
		"addi	$10,$10,-16;"
		"srl	$9,$10,16;"
		"srlv	$10,$10,$9;"
		"sll	$9,$10,23;"
		"sra	$9,$9,31;"
		"or		$10,$10,$9;"
		"andi	$12,$10,0x003F;"
		"andi	$9,$10,0x00C0;" 
		"srl	$9,$9,2;" 
		"lbu	$10,2($15);" 
		"or		$24,$24,$9;" 
 
		//presentamos el punto 
		 );

__asm( 	//f2-luminacia 3 
		 
		"add	$10,$10,$12;"
		"addi	$10,$10,-16;"
		"srl	$9,$10,16;"
		"srlv	$10,$10,$9;"
		"sll	$9,$10,23;"
		"sra	$9,$9,31;"
		"or		$10,$10,$9;"
		"andi	$12,$10,0x003F;"
		"andi	$9,$10,0x00C0;" 
		"lbu	$10,3($15);"//cargamos aqui para no tener interbloqueo 
		"srl	$9,$9,4;" 
		"or		$24,$24,$9;"
		

		//primer punto ,ahora procesamos segundo. 

		//f2-luminacia 4
		
		"add	$10,$10,$12;"
		"addi	$10,$10,-16;"
		"srl	$9,$10,16;"
		"srlv	$10,$10,$9;"
		"sll	$9,$10,23;"
		"sra	$9,$9,31;"
		"or		$10,$10,$9;"
		"andi	$12,$10,0x003F;"
		"andi	$9,$10,0x00C0;" 
		"lbu	$10,4($4);" 
		"srl	$9,$9,6;"
		"or		$24,$24,$9;" 
 
		//presentamos el punto 

		"sb		$24,0($17);" );


		//incrementamos todos los punteros y volvemos al bucle 
__asm(
		"addi	$4,$4,+4;" 
		"addi	$15,$15,+4;" 
		"addi	$3,$3,-1;" 
		"addi	$6,$6,+1;" 
		"addi	$17,$17,+1;" 

		"bgtz	$3,bucle_x;" 
	
		"add	$4,$15,$16;" 

		//cargamos aqui para no tener interbloqueo 
		"lbu	$10,0($4);" 
		
		"add	$6,$6,$18;"//dest+stride_dest 
		"add	$6,$6,$18;" 
		"add	$17,$17,$18;" 

		"addi	$2,$2,-1;" 
		"srl	$8,$7,2;" 
		"add	$6,$6,$8;" 
		"add	$17,$17,$8;" 

		"bgtz	$2,bucle_y;" 

		//restauramos registros, la pila y finalizamos 
		"lw		$16,12(sp);" 
		"lw		$17,16(sp);" 
		"lw		$18,20(sp);" 
		"addiu	sp,sp,+36;" 

);} 

#else
#define _S(a) (a)>255 ? 255 : a 
void yuv2rgb_565(uint8_t *puc_y, int stride_y, 
uint8_t *puc_out, int width_y, int height_y,int stride_dest, int Dither,int Brightness) 
 {
	register int x,y; 
	unsigned char *pus_out; 
	register unsigned int l,l2,l3,l4; 
	unsigned int quant_error_l;
	register unsigned int mask=0;
	if (stride_dest<0) stride_dest=0;
	if (Dither==1){mask=0x3F;}
	pus_out = (unsigned char *) puc_out; 
	quant_error_l=0;
	for (y=0; y<height_y; y++) 
	{ 
		for (x=0;x<width_y;x+=4)
		{ 
			l = _S(puc_y[x]+quant_error_l+Brightness); 
			quant_error_l=l&mask;
			l2 = _S(puc_y[x+1]+quant_error_l+Brightness);
			quant_error_l=l2&mask;
			l3 = _S(puc_y[x+2]+quant_error_l+Brightness); 
			quant_error_l=l3&mask;
			l4 = _S(puc_y[x+3]+quant_error_l+Brightness);
			quant_error_l=l4&mask;
			pus_out[0] = (unsigned char) (l&0xC0)|((l2&0xC0)>>2)|((l3&0xC0)>>4)|((l4&0xC0)>>6);
			pus_out++; 
		} 
		puc_y += stride_y; 
		pus_out+=(stride_dest>>2); 
	} 
} 
#endif
void yuv2rgb_565Z(uint8_t *puc_y, int stride_y, uint8_t *puc_out, int width_y, int height_y, int nExtra, int Dither,int Brightness) 
{ 
	register int x,y; 
	unsigned int l,l2,l3,l4;
	unsigned int quant_error_l;
	unsigned char *pus_out; 
	register unsigned int mask=0;
	int we;
	if (nExtra<0) nExtra=0;
	if (Dither==1){mask=0x3F;}
	we=(width_y>>1)+(nExtra>>2);
	pus_out = (unsigned char *) puc_out;
	quant_error_l=0;	 
	for (y=0; y<height_y; y++) 
	{ 
		for (x=0;x<width_y;x+=2)
		{ 
			l = _S(puc_y[x]+quant_error_l+Brightness); 
			quant_error_l=l&mask;
			l2 = _S(puc_y[x]+quant_error_l+Brightness); 
			quant_error_l=l2&mask;
			l3 = _S(puc_y[x+1]+quant_error_l+Brightness);
12 3 4 5 下一页
💿 文件大小 1183 K
👤 上传用户 aoneko2009
📂 所属分类 Windows Mobile
🏷️ 相关标签

#PocketMVP #0.8082503 #Pocket #source
⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -