l1_playback.c

台湾凌阳方案300万数码相机源代码

#include "general.h"
#include "main.h"
#include "initio.h"

UCHAR L1_PBOne(UCHAR ID) USING_0
{
/*
	//PRINT_L1("    L1_PBOne: Enter\n");
     ULONG AFBAddr;
     ULONG DSPAddr;   


     DSPAddr = K_SDRAM_DisplayBufAAddr;
     AFBAddr = K_SDRAM_FrameBufAAddr;

	     if(G_Hsize==1152 && G_Vsize==864 && (ID<6))  ID = (ID%2);
	else if(G_Hsize==1280 && G_Vsize==960 && (ID<6))  ID = (ID%2)+2; 
	else if(G_Hsize==1600 && G_Vsize==1200&& (ID<6))  ID = (ID%2)+4;
    else 									          ID = (ID%2)+6;

	G_PBID=ID;

    //////////////////////// first step: playback the thumbnail //////////////////
	// Load the thumbnail (160,120) from the NAND to FreeArea
	L1_NANDtoDRAM(G_FreeAddr, 0x400000+ ID*(ULONG)0x4000, 0x4000);
	// Decompress the thumbnail from FreeArea to AFB with JFIF compatible
	L2_DeCompress(G_FreeAddr, 160, 120, AFBAddr, 0x00, 0x04, 0x00);	// 0x04: JFIF Compatible
	//PRINT_L1("    L1_PBOne: Decompress error=%bx\n",L2_CheckDecompress());

	// scale up image from AFB(160,120) to AFB(G_DSPHsize,G_DSPVsize) using FreeArea as temporary buffer    
	L2_ScaleUpImage(AFBAddr, 160, 120, AFBAddr, G_DSPHsize, G_DSPVsize, G_FreeAddr);

	// copy the displayed image from AFB to the DSP buffer
	L2_CopyImage(AFBAddr, G_DSPHsize, G_DSPVsize, 0, 0, G_DSPHsize, G_DSPVsize, DSPAddr, G_DSPHsize, G_DSPVsize, 0, 0);

	// set the displayed address and size
	L2_SetBFBAddr(DSPAddr);
   	L2_SetBFBSize(G_DSPHsize,G_DSPVsize);

    //////////////////////// second step: playback the picture  //////////////////
	// Load the picture (1152,864) from the NAND to FreeArea
	L1_NANDtoDRAM(G_FreeAddr,0x80000*ID,0x80000);
	// Decompress the picture from FreeArea to AFB with JFIF compatible
	L2_DeCompress(G_FreeAddr, G_Hsize, G_Vsize, AFBAddr, 0x00, 0x04, 0x00);	
	//PRINT_L1("    L1_PBOne: Decompress error=%bx\n",L2_CheckDecompress());

	// scale down image from AFB(G_Hsize,G_Vsize) to AFB(G_DSPHsize,G_DSPVsize) using FreeArea as temporary buffer    
	L2_ScaleDownImage(AFBAddr, G_Hsize, G_Vsize, AFBAddr, G_DSPHsize, G_DSPVsize, G_FreeAddr);

	// copy the displayed image from AFB to the DSP buffer
	L2_CopyImage(AFBAddr, G_DSPHsize, G_DSPVsize, 0, 0, G_DSPHsize, G_DSPVsize, DSPAddr, G_DSPHsize, G_DSPVsize, 0, 0);

	// set the displayed address and size
	L2_SetBFBAddr(DSPAddr);
   	L2_SetBFBSize(G_DSPHsize,G_DSPVsize);
	
	//PRINT_L1("    L1_PBOne: Exit\n");
*/
	return L1K_SUCCESS;
}

UCHAR L1_PBNine(void) USING_0
{
/*
		USHORT i,j;
		USHORT dnhsize,dnvsize;
        UCHAR  hoff ,voff;
        ULONG AFBAddr, BFBAddr;
        ULONG DSPAddr;   

        DSPAddr = K_SDRAM_DisplayBufAAddr;
        AFBAddr = K_SDRAM_FrameBufAAddr;
        BFBAddr = K_SDRAM_FrameBufBAddr; 
		
		//PRINT_L1("    L1_PBNine: Enter\n");

		// prepare the background picture in the G_FreeAddr with size (G_DSPHsize, G_DSPVsize)
		// with color "black"

        L2_FillDRAM(G_FreeAddr, G_DSPHsize*G_DSPVsize, 144, 0);


		dnhsize = (G_DSPHsize - 24)/3;
        dnvsize = (G_DSPVsize - 16)/3;
        dnhsize = dnhsize - (dnhsize %2);
		dnvsize = dnvsize - (dnvsize %2);
		hoff = (G_DSPHsize - dnhsize *3)/2;
        voff = (G_DSPVsize - dnvsize *3)/2;

		for(j=0 ; j<3; j++) {
			for(i=0; i<3 ; i++) {
				// Load the thumbnail (160,120) from the NAND to AFB
				L1_NANDtoDRAM(AFBAddr, 0x400000+((j*3+i)%8)*(ULONG)0x4000, 0x4000);

				// Decompress the thumbnail from AFB to BFB with JFIF compatible
				L2_DeCompress(AFBAddr, 160, 120, BFBAddr, 0x00, 0x04, 0x00);

				if(L2_CheckDecompress()!=0)
                                {
					//PRINT_L1("    L1_PBNine: Decompress error=%bx\n",L2_CheckDecompress());
                                }

				if(dnhsize <160) 
				  // scale down the image from BFB(160,120) to BFB(dnhsize,dnvsize) using AFB as temporary buffer
				  L2_ScaleDownImage(BFBAddr, 160, 120, BFBAddr, dnhsize, dnvsize, AFBAddr);
                else 
				  // scale up the image from BFB(160,120) to BFB(dnhsize,dnvsize) using AFB as temporary buffer
				  L2_ScaleUpImage(BFBAddr, 160, 120, BFBAddr, dnhsize, dnvsize, AFBAddr);


				// copy the image(dnhsize, dnvsize) to the background picture 
				L2_CopyImage(BFBAddr, dnhsize, dnvsize, 0, 0, dnhsize, dnvsize, G_FreeAddr, G_DSPHsize, G_DSPVsize, hoff+(USHORT)i*(dnhsize+6), voff+(USHORT)j*(dnvsize+4));
			}
		}

	    // copy the displayed image from G_FreeAddr to the DSP buffer
		L2_CopyImage(G_FreeAddr, G_DSPHsize, G_DSPVsize, 0, 0, G_DSPHsize, G_DSPVsize, DSPAddr, G_DSPHsize, G_DSPVsize, 0, 0);

		// set the displayed address and size
		L2_SetBFBAddr(DSPAddr);
		L2_SetBFBSize(G_DSPHsize,G_DSPVsize);

		//PRINT_L1("    L1_PBNine: Exit\n");
*/
		return L1K_SUCCESS;
}

//-----------------------------------------------------------------------------
//L1_PBFour
//-----------------------------------------------------------------------------

UCHAR L1_PBFour(UCHAR Para0)  USING_0
{
/*
	UCHAR Temp0 = Para0;
 
    //PRINT_L1("    L1_PBFour: Enter.\n"); 


    //PRINT_L1("    L1_PBFour: Exit.\n");  
*/
	return L1K_SUCCESS;
}

//-----------------------------------------------------------------------------
//L1_PBZoom
//-----------------------------------------------------------------------------
/*
arguments:
		factor	- 	10: zoom factor 1.0x
					11: zoom factor 1.1x
					12: zoom factor 1.2x
							.
							.
					20: zoom factor 2.0x
*/
UCHAR L1_PBZoom(UCHAR Factor) USING_0
{
/*
	USHORT srchsize, srcvsize;

    //PRINT_L1("    L1_PBZoom: Enter.\n"); 

    G_PBZFactor = Factor;

	if(Factor > 20 || Factor <10) return L1K_ERROR_PARAMETER;

    // if the zoom factor is 1.0x, reset to the original setting
	if(Factor == 10) {
		L2_SetDisplaySrcImgSize(G_DSPHsize, G_DSPVsize, G_DisplayType);
		L2_SetDisplayOffset(0,0);
		return L1K_SUCCESS;
	}
	
	// calculate the factor parameter
    srchsize = ((ULONG)G_DSPHsize * 10) / Factor;
    srcvsize = ((ULONG)G_DSPVsize * 10) / Factor;

	// setting the LCD/TV zoom factor
	L2_SetDisplaySrcImgSize(srchsize, srcvsize, G_DisplayType);
	// setting the LCD/TV offset
	L2_SetDisplayOffset((G_DSPHsize-srchsize)/4*2,(G_DSPVsize-srcvsize)/4*2);

    //PRINT_L1("    L1_PBZoom: Exit.\n");  
*/	
	return L1K_SUCCESS;
}


//-----------------------------------------------------------------------------
//L1_PBPan
//-----------------------------------------------------------------------------

UCHAR L1_PBPan(USHORT Xoff, USHORT Yoff)  USING_0
{
/*
    //PRINT_L1("    L1_PBPan: Enter.\n");
 
	// setting the LCD/TV offset
	L2_SetDisplayOffset(Xoff, Yoff);

    //PRINT_L1("    L1_PBPan: Exit.\n");  
*/	
	return L1K_SUCCESS;
}

//-----------------------------------------------------------------------------
//L1_PBInfo
//-----------------------------------------------------------------------------

UCHAR L1_PBInfo(UCHAR Para0) USING_0
{
/*
	UCHAR Temp0 = Para0;

    //PRINT_L1("    L1_PBInfo: Enter.\n"); 


    //PRINT_L1("    L1_PBInfo: Exit.\n");  
*/	
	return L1K_SUCCESS;
}