lecture02_main.c

对DSP视频开发板的初级熟悉

//----------- lecture02_main.c  start---------------
unsigned char RGB24[48]={
0xFF,0x00,0x00, 0xFF,0x00,0x00, 0xFF,0x00,0x00, 0xFF,0x00,0x00,
0x00,0xFF,0x00, 0x00,0xFF,0x00, 0x00,0xFF,0x00, 0x00,0xFF,0x00,
0x00,0x00,0xFF, 0x00,0x00,0xFF, 0x00,0x00,0xFF, 0x00,0x00,0xFF,
0x00,0x00,0x00, 0x80,0x80,0x80, 0xB0,0xB0,0xB0, 0xFF,0xFF,0xFF
};

unsigned char YUV24[48];
extern void RGB24_to_YUV444(unsigned char *RGB_in, 
            unsigned char *YUV_out, short width, short height);

unsigned char YUV422[32];
extern void YUV444_to_YUV422(unsigned char * YUV444_in, 
            unsigned char * YUV422_out,	short width,short height);

unsigned char Image_file_16x16[768];
unsigned char Image_422_16x16[512];

unsigned char Image_72x72_YUV422[72*72*2]; // original image
unsigned char Image_72x72_YUV422_rotated[72*72*2];	// rotated image
extern void Rotate_image (unsigned char * image_in, 
            unsigned char * image_out,short width,short height); //declaration

segment("sdram0_bank1")unsigned char Image_422_1716x525[1716*525];
segment("sdram0_bank1")unsigned char Image_422_1440x486[(720*2)*486];
extern void Get_NTSC_frame_from_ITU656(unsigned char* buffer_in,unsigned char *buffer_out);

void main( )
{	
	int i;
	RGB24_to_YUV444(RGB24,YUV24,4,4);
	YUV444_to_YUV422(YUV24,YUV422,4,4);	
	YUV444_to_YUV422(Image_file_16x16, Image_422_16x16, 16, 16);
	Rotate_image(Image_72x72_YUV422,Image_72x72_YUV422_rotated,72,72);
	Get_NTSC_frame_from_ITU656(Image_422_1716x525,Image_422_1440x486);
	i =0;
}
//----------- lecture02_main.c  end--------------------