rrv.cpp

完整的RTP RTSP代码库

	delete [] pnormal_data;
}

// for error(m_ppxliErrorMBY)
void UpSamplingTextureForRRV(PixelI *pPixlc, PixelI *pretPxlc, 
							 Int iwidth, Int ihight,Int iwidthofpPix)
{
	Int	ibx, iby, ix, iy, ipos, icnt;
	PixelI* pblock_low	=  new PixelI [64];
	PixelI* pblock_norm	= new PixelI [256];
	PixelI* pnormal_data	= new PixelI [iwidth *ihight *4];
	Int inor_sizex	= iwidth *2;
	Int inor_sizey	= ihight *2;
  
	for(iby = 0; iby < (inor_sizey/2); iby+=8)
	{
		for(ibx = 0; ibx < (inor_sizex/2); ibx+=8)
		{
			for(iy = iby, icnt = 0; iy < iby + 8; iy ++)
			{
				ipos = ibx + (iy) * iwidth;
				for(ix = ibx; ix < ibx + 8; ix++)
				{
					pblock_low[icnt]	= pPixlc[ipos];
					icnt++;
					ipos++;
				}
			}

			MeanUpSampling(pblock_low, pblock_norm, 8, 8);

			for(iy = 2 * iby, icnt = 0; iy < 2 * iby + 16; iy ++)
			{
				ipos = 2 * ibx + (iy) * inor_sizex;
				for(ix = 2 * ibx; ix < 2 * ibx + 16; ix++)
				{
					pnormal_data[ipos]	= pblock_norm[icnt];
					icnt++;
					ipos++;
				}
			}
		}
	}

	for(iy = 0; iy < inor_sizey; iy++)
	{
		for(ix = 0; ix < inor_sizex; ix++)
		{
			pretPxlc[ix +(iy *iwidthofpPix)]
				= pnormal_data[ix +(iy *inor_sizex)];
		}
	}

	delete [] pblock_norm;
	delete [] pblock_low;
	delete [] pnormal_data;
}

//static void
Void MeanUpSampling(PixelI *pSrcPic, PixelI *pDestPic,
					Int iwidth, Int iheight )
{
    Int	i, j, ix0, iy0, ix1, iy1, ix2, iy2;
    Int	ival;
    for(j = 0; j < iheight; j++)
	{
        for(i = 0; i < iwidth; i++)
		{
            ix0	= i;
            iy0 = j;
            ix1	= RRV_MAX(0, (i - 1));
            iy1	= RRV_MAX(0, (j - 1));
            ix2	= RRV_MIN((iwidth - 1), (i + 1));
            iy2	= RRV_MIN((iheight - 1), (j + 1));

// RRV_3
            if(i==0 && j==0) {
              pDestPic[i * 2 + j * 2 * iwidth * 2] = pSrcPic[ix0 + iy0 * iwidth];
            } else {
// ~RRV_3
            ival = 9 * pSrcPic[ix0 + iy0 * iwidth] +
                   3 * pSrcPic[ix1 + iy0 * iwidth] +
                   3 * pSrcPic[ix0 + iy1 * iwidth] +
                   1 * pSrcPic[ix1 + iy1 * iwidth];
            pDestPic[i * 2 + j * 2 * iwidth * 2] = (ival + 8) / 16;
// RRV_3
	        }
// ~RRV_3

// RRV_3
            if(i==(iwidth-1) && j==0) {
              pDestPic[i * 2 + 1 + j * 2 * iwidth * 2] = pSrcPic[ix0 + iy0 * iwidth];
            } else {
// ~RRV_3
            ival = 9 * pSrcPic[ix0 + iy0 * iwidth] +
                   3 * pSrcPic[ix2 + iy0 * iwidth] +
                   3 * pSrcPic[ix0 + iy1 * iwidth] +
                   1 * pSrcPic[ix2 + iy1 * iwidth];
            pDestPic[i * 2 + 1 + j * 2 * iwidth * 2] = (ival + 8) / 16;
// RRV_3
	        }
// ~RRV_3

// RRV_3
            if(i==0 && j==(iheight-1)) {
              pDestPic[i * 2  + (j * 2 + 1) * iwidth * 2] = pSrcPic[ix0 + iy0 * iwidth];
            } else {
// ~RRV_3
            ival = 9 * pSrcPic[ix0 + iy0 * iwidth] +
                   3 * pSrcPic[ix1 + iy0 * iwidth] +
                   3 * pSrcPic[ix0 + iy2 * iwidth] +
                   1 * pSrcPic[ix1 + iy2 * iwidth];
            pDestPic[i * 2  + (j * 2 + 1) * iwidth * 2] = (ival + 8) / 16;
// RRV_3
	        }
// ~RRV_3

// RRV_3
            if(i==(iwidth-1) && j==(iheight-1)) {
              pDestPic[i * 2 + 1 + (j * 2 + 1)* iwidth * 2] = pSrcPic[ix0 + iy0 * iwidth];
            } else {
// ~RRV_3
            ival = 9 * pSrcPic[ix0 + iy0 * iwidth] +
                   3 * pSrcPic[ix2 + iy0 * iwidth] +
                   3 * pSrcPic[ix0 + iy2 * iwidth] +
                   1 * pSrcPic[ix2 + iy2 * iwidth];
            pDestPic[i * 2 + 1 + (j * 2 + 1)* iwidth * 2] = (ival + 8) / 16;
// RRV_3
	        }
// ~RRV_3
        }
    }
}

//static void
void MeanUpSampling(PixelC *pSrcPic, PixelC *pDestPic,
					Int iwidth, Int iheight )
{
    Int	i, j, ix0, iy0, ix1, iy1, ix2, iy2;
    Int	ival;
    for(j = 0; j < iheight; j++)
	{
        for(i = 0; i < iwidth; i++)
		{
            ix0 = i;
            iy0 = j;
            ix1 = RRV_MAX(0, (i - 1));
            iy1 = RRV_MAX(0, (j - 1));
            ix2 = RRV_MIN((iwidth - 1), (i + 1));
            iy2 = RRV_MIN((iheight - 1), (j + 1));
// RRV_3
            if(i==0 && j==0) {
              pDestPic[i * 2 + j * 2 * iwidth * 2] = pSrcPic[ix0 + iy0 * iwidth];
            } else {
// ~RRV_3
            ival = 9 * pSrcPic[ix0 + iy0 * iwidth] +
                   3 * pSrcPic[ix1 + iy0 * iwidth] +
                   3 * pSrcPic[ix0 + iy1 * iwidth] +
                   1 * pSrcPic[ix1 + iy1 * iwidth];
            pDestPic[i * 2 + j * 2 * iwidth * 2] = (ival + 8) / 16;
// RRV_3
	        }
// ~RRV_3

// RRV_3
            if(i==(iwidth-1) && j==0) {
              pDestPic[i * 2 + 1 + j * 2 * iwidth * 2] = pSrcPic[ix0 + iy0 * iwidth];
            } else {
// ~RRV_3
            ival = 9 * pSrcPic[ix0 + iy0 * iwidth] +
                   3 * pSrcPic[ix2 + iy0 * iwidth] +
                   3 * pSrcPic[ix0 + iy1 * iwidth] +
                   1 * pSrcPic[ix2 + iy1 * iwidth];
            pDestPic[i * 2 + 1 + j * 2 * iwidth * 2] = (ival + 8) / 16;
// RRV_3
	        }
// ~RRV_3

// RRV_3
            if(i==0 && j==(iheight-1)) {
              pDestPic[i * 2  + (j * 2 + 1) * iwidth * 2] = pSrcPic[ix0 + iy0 * iwidth];
            } else {
// ~RRV_3
            ival = 9 * pSrcPic[ix0 + iy0 * iwidth] +
                   3 * pSrcPic[ix1 + iy0 * iwidth] +
                   3 * pSrcPic[ix0 + iy2 * iwidth] +
                   1 * pSrcPic[ix1 + iy2 * iwidth];
            pDestPic[i * 2  + (j * 2 + 1) * iwidth * 2] = (ival + 8) / 16;
// RRV_3
	        }
// ~RRV_3

// RRV_3
            if(i==(iwidth-1) && j==(iheight-1)) {
              pDestPic[i * 2 + 1 + (j * 2 + 1)* iwidth * 2] = pSrcPic[ix0 + iy0 * iwidth];
            } else {
// ~RRV_3
            ival = 9 * pSrcPic[ix0 + iy0 * iwidth] +
                   3 * pSrcPic[ix2 + iy0 * iwidth] +
                   3 * pSrcPic[ix0 + iy2 * iwidth] +
                   1 * pSrcPic[ix2 + iy2 * iwidth];
            pDestPic[i * 2 + 1 + (j * 2 + 1)* iwidth * 2] = (ival + 8) / 16;
// RRV_3
	        }
// ~RRV_3
        }
    }
}

//
//
//FilterCodedPictureforRRV
//
//
Void CVideoObject::filterCodedPictureForRRV(PixelC *pPxlcY,
											 PixelC *pPxlcU, PixelC *pPxlcV, 
											 Int isizex, Int isizey,
											 Int inumMBx,Int inumMBy, 
											 Int iwidthY, Int iwidthUV)
{
//	PixelC	pdataY[isizex *isizey];
//	PixelC	pdataU[isizex *isizey /4];
//	PixelC	pdataV[isizex *isizey /4];
	PixelC	*pdataY	= new PixelC[isizex *isizey];
	PixelC	*pdataU	= new PixelC[isizex *isizey /4];
	PixelC	*pdataV	= new PixelC[isizex *isizey /4];
	Int ipMB,ipPreMB;
	Int ixcount,iycount; 
	Int icurMB	= 0;
	Int i, j;
// RRV_2 insertion
	Int	iVpEdgeEnable;
	iVpEdgeEnable	= (!m_volmd.bNewpredEnable)||(m_volmd.bNewpredSegmentType);

// ~RRV_2
// copy data, data -> pPxlc
	for(j = 0; j < isizey; j++)
	{
		for(i = 0; i < isizex; i++)
		{
			pdataY[i+ j* isizex] = pPxlcY[i+ j* iwidthY];
		}
	}
	for(j = 0; j < isizey /2; j++)
	{
		for(i = 0; i < isizex /2; i++){
			pdataU[i+ j *isizex /2]	= pPxlcU[i +j *iwidthUV];
			pdataV[i+ j* isizex /2]	= pPxlcV[i +j *iwidthUV];
		}
	}

// check cod-frag
/*
	printf("Checking cod flag numMBy = %d numMBx = %d\n", inumMBy, inumMBx);
	for(i = 0; i < inumMBy; i++)
	{
		for(j = 0; j < inumMBx; j++)
		{
			if(m_rgmbmd[i *inumMBx +j].m_bSkip == TRUE)
			{
				printf("T ");
			}
			else if(m_rgmbmd[i *inumMBx +j].m_bSkip == FALSE)
			{
				printf("F ");
			}
			else
			{
				printf("E ");
			}
		}
		printf("\n");
	}
*/
// --- Filtering Macro-Block Borderline (Lum part) ---
//    printf("Filtering Macro-Block Horizontal Borderline (Lum)\n");
    for(iycount = 1; iycount < (inumMBy * 2); iycount++)
	{
        icurMB	= (iycount / 2) * inumMBx;
        for(ixcount=0; ixcount<(inumMBx * 2); ixcount+=2, icurMB++)
		{
            ipMB	= icurMB;
            if(iycount % 2)
			{
                ipPreMB	= ipMB;
            }
            else
			{
                ipPreMB	= (ipMB - inumMBx);
            }
// RRV_2 modification
            if(((m_rgmbmd[ipMB].m_bSkip == FALSE)||
			   (m_rgmbmd[ipPreMB].m_bSkip == FALSE))&&
	       ((m_rgmbmd[ipMB].m_iVideoPacketNumber == m_rgmbmd[ipPreMB].m_iVideoPacketNumber)||(iVpEdgeEnable == 1)))
			{
//            if((m_rgmbmd[ipMB].m_bSkip == FALSE)||
//			   (m_rgmbmd[ipPreMB].m_bSkip == FALSE))
//			{
// ~RRV_2
                filterMBHorBorder(pdataY, isizex, ixcount, iycount);
                filterMBHorBorder(pdataY, isizex, (ixcount+1), iycount);
            }
        }
    }
//    printf("Done\n");

//    printf("Filtering Macro-Block Vartial Borderline (Lum)\n");
    for(iycount=0; iycount<(inumMBy * 2); iycount+=2)
	{
        icurMB	= (iycount / 2) * inumMBx;
        for(ixcount = 1; ixcount < (inumMBx * 2); ixcount++)
		{
            ipMB	= icurMB + (ixcount / 2);
            if(ixcount % 2)
			{
                ipPreMB	= ipMB;
            }
            else
			{
                ipPreMB	= ipMB - 1;
            }
// RRV_2 modification
            if(((m_rgmbmd[ipMB].m_bSkip == FALSE)||
			   (m_rgmbmd[ipPreMB].m_bSkip == FALSE))&&
	       ((m_rgmbmd[ipMB].m_iVideoPacketNumber == m_rgmbmd[ipPreMB].m_iVideoPacketNumber)||(iVpEdgeEnable == 1)))
			{
//            if((m_rgmbmd[ipMB].m_bSkip == FALSE)||
//			   (m_rgmbmd[ipPreMB].m_bSkip == FALSE))
//			{
// ~RRV_2
                filterMBVarBorder(pdataY, isizex, ixcount, iycount);
                filterMBVarBorder(pdataY, isizex, ixcount, (iycount+1));
            }
        }
    }
//    printf("Done\n");

//--- Filtering Macro-Block Borderline (Cb & Cr part) ---
//    printf("Filtering Macro-Block Horizontal Borderline (Cb & Cr)\n");
    for(iycount = 1; iycount < inumMBy; iycount++)
	{
        icurMB	= iycount * inumMBx;
        for(ixcount = 0; ixcount < inumMBx; ixcount++, icurMB++)
		{
            ipMB	= icurMB;
            ipPreMB	= ipMB - inumMBx;
// RRV_2 modification
            if(((m_rgmbmd[ipMB].m_bSkip == FALSE)||
			   (m_rgmbmd[ipPreMB].m_bSkip == FALSE))&&
	       ((m_rgmbmd[ipMB].m_iVideoPacketNumber == m_rgmbmd[ipPreMB].m_iVideoPacketNumber)||(iVpEdgeEnable == 1)))
			{
//            if((m_rgmbmd[ipMB].m_bSkip == FALSE)||
//			   (m_rgmbmd[ipPreMB].m_bSkip == FALSE))
//			{
// ~RRV_2
                filterMBHorBorder(pdataU, isizex/2, ixcount, iycount);
                filterMBHorBorder(pdataV, isizex/2, ixcount, iycount);
            }
        }
    }
//    printf("Done\n");

//    printf("Filtering Macro-Block Vartial Borderline (Cb & Cr)\n");
    for(iycount = 0; iycount < inumMBy; iycount++)
	{
        icurMB	= iycount * inumMBx;
        for(ixcount = 1; ixcount < inumMBx; ixcount++)
		{
            icurMB++;
            ipMB	= icurMB;
            ipPreMB	= ipMB - 1;
// RRV_2 modification
            if(((m_rgmbmd[ipMB].m_bSkip == FALSE)||
			   (m_rgmbmd[ipPreMB].m_bSkip == FALSE))&&
	       ((m_rgmbmd[ipMB].m_iVideoPacketNumber == m_rgmbmd[ipPreMB].m_iVideoPacketNumber)||(iVpEdgeEnable == 1)))
			{
//            if((m_rgmbmd[ipMB].m_bSkip == FALSE)||
//			   (m_rgmbmd[ipPreMB].m_bSkip == FALSE))
//			{
// ~RRV_2
                filterMBVarBorder(pdataU, isizex/2, ixcount, iycount);
                filterMBVarBorder(pdataV, isizex/2, ixcount, iycount);
            }
        }
    }
//    printf("Done\n");

// copy data, pPxlc -> data
	for(j = 0; j < isizey; j++)
	{
		for(i = 0; i < isizex; i++)
		{
			pPxlcY[i +j *iwidthY]	= pdataY[i +j *isizex];
		}
	}
	for(j = 0; j < isizey /2; j++)
	{
		for(i = 0; i < isizex /2; i++)
		{
			pPxlcU[i +j *iwidthUV]	= pdataU[i +j* isizex /2];
			pPxlcV[i +j *iwidthUV]	= pdataV[i +j* isizex /2];
		}
	}
}

Void filterMBVarBorder(PixelC *pPicTop, Int isizex, Int icurX, Int icurY)
{
    PixelC	*pPixel1, *pPixel2;
    Int	ival1, ival2;
    Int	i;

    icurX	*= RRV_BLOCK_SIZE;
    icurY	*= RRV_BLOCK_SIZE;

//--- Read Cb Data ---
    pPixel1	= pPicTop + ((icurX - 1) + icurY * isizex);
    pPixel2	= pPicTop + ( icurX      + icurY * isizex);

    for(i = 0; i < RRV_BLOCK_SIZE; i++)
	{
        ival1	= *pPixel1;
        ival2	= *pPixel2;

        *pPixel1	= (3 * ival1 + ival2 + 2) / 4;
        *pPixel2	= (ival1 + 3 * ival2 + 2) / 4;

        pPixel1	+= isizex;
        pPixel2	+= isizex;
    }
}

Void filterMBHorBorder(PixelC *pPicTop, Int isizex, Int icurX, Int icurY)
{
    PixelC	*pPixel1, *pPixel2;
    Int	ival1, ival2;
    Int	i;

    icurX	*= RRV_BLOCK_SIZE;
    icurY	*= RRV_BLOCK_SIZE;

//--- Read Data ---
    pPixel1	= pPicTop + (icurX + (icurY - 1) * isizex);
    pPixel2	= pPicTop + (icurX +  icurY      * isizex);

    for(i = 0; i < RRV_BLOCK_SIZE; i++)
	{
        ival1	= *pPixel1;
        ival2	= *pPixel2;

        *pPixel1	= (3 * ival1 + ival2 + 2) / 4;
        *pPixel2	= (ival1 + 3 * ival2 + 2) / 4;

        pPixel1++;
        pPixel2++;
    }
}

Void writeCubicRct(Int xsize, Int line_interval, PixelC* src, PixelC* dst)
{
	PixelC	*p0, *p1;
	p0	= src;
	p1	= dst;
	for(int y = 0; y < xsize; y ++)
	{
		for(int x = 0; x < xsize; x ++)
		{
			(*p1 ++)	= (*p0 ++);
		}
		p1	+= (line_interval -xsize);
	}
}

Void writeCubicRct(Int xsize, Int line_interval, PixelI* src, PixelI* dst)
{
	PixelI	*p0, *p1;
	p0	= src;
	p1	= dst;
	for(int y = 0; y < xsize; y ++)
	{
		for(int x = 0; x < xsize; x ++)
		{
			(*p1 ++)	= (*p0 ++);
		}
		p1	+= (line_interval -xsize);
	}
}