?? sys_decoder_errdec.cpp
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m_iVPMBnum = 0; Bool bLeftBndry; Bool bRightBndry; Bool bTopBndry; m_piMCBPC = new Int[m_iNumMBX*m_iNumMBY+1]; Int* piMCBPC = m_piMCBPC; m_piIntraDC = new Int[m_iNumMBX*m_iNumMBY*V_BLOCK]; Int* piIntraDC = m_piIntraDC; Int i; Int mbn = 0, mbnFirst = 0; CoordI x = 0; CoordI y = 0; PixelC* ppxlcCurrQMBY = NULL; PixelC* ppxlcCurrQMBU = NULL; PixelC* ppxlcCurrQMBV = NULL; Bool bMBBackup = FALSE; CMBMode* pmbmdBackup = NULL; Int iMBXBackup = 0, iMBYBackup = 0; CMotionVector* pmvBackup = NULL; PixelC* ppxlcCurrQMBYBackup = NULL; PixelC* ppxlcCurrQMBUBackup = NULL; PixelC* ppxlcCurrQMBVBackup = NULL; Bool bRestartDelayedQP = TRUE; Bool bRet; const PixelC* RefbufY = m_pvopcRefQ0-> pixelsY (); const PixelC* RefbufU = m_pvopcRefQ0-> pixelsU (); const PixelC* RefbufV = m_pvopcRefQ0-> pixelsV (); PixelC *RefpointY, *RefpointU, *RefpointV; PixelC *pRefpointY, *pRefpointU, *pRefpointV; if (m_volmd.bNewpredEnable) { // temporarily store present reference picture g_pNewPredDec->CopyReftoBuf(RefbufY, RefbufU, RefbufV, m_rctRefFrameY, m_rctRefFrameUV); bRet = FALSE; iMBX = mbn % m_iNumMBX; iMBY = mbn / m_iNumMBX; // copy picture from NEWPRED reference picture memory RefpointY = (PixelC*) g_pNewPredDec->m_pchNewPredRefY + (EXPANDY_REF_FRAME * m_rctRefFrameY.width); RefpointU = (PixelC*) g_pNewPredDec->m_pchNewPredRefU + ((EXPANDY_REF_FRAME/2)*m_rctRefFrameUV.width); RefpointV = (PixelC*) g_pNewPredDec->m_pchNewPredRefV + ((EXPANDY_REF_FRAME/2)*m_rctRefFrameUV.width); bRet = g_pNewPredDec->CopyNPtoVM(iVideoPacketNumber, RefpointY, RefpointU, RefpointV); // padding around VP pRefpointY = (PixelC*) m_pvopcRefQ0->pixelsY () + m_iStartInRefToCurrRctY; pRefpointU = (PixelC*) m_pvopcRefQ0->pixelsU () + m_iStartInRefToCurrRctUV; pRefpointV = (PixelC*) m_pvopcRefQ0->pixelsV () + m_iStartInRefToCurrRctUV;// RRV modification g_pNewPredDec->ChangeRefOfSlice((const PixelC* )pRefpointY, RefbufY,(const PixelC* )pRefpointU, RefbufU, (const PixelC* )pRefpointV, RefbufV, (iMBX *m_iRRVScale), (iMBY *m_iRRVScale),m_rctRefFrameY, m_rctRefFrameUV);// g_pNewPredDec->ChangeRefOfSlice((const PixelC* )pRefpointY, RefbufY,(const PixelC* )pRefpointU, RefbufU,// (const PixelC* )pRefpointV, RefbufV, iMBX, iMBY,m_rctRefFrameY, m_rctRefFrameUV);// ~RRV repeatPadYOrA ((PixelC*) m_pvopcRefQ0->pixelsY () + m_iOffsetForPadY, m_pvopcRefQ0); repeatPadUV (m_pvopcRefQ0); for (iMBY = 0; iMBY < m_iNumMBY; iMBY++) { // count slice number for (iMBX = 0; iMBX < m_iNumMBX; iMBX++) {// RRV modification (pmbmd + iMBX + m_iNumMBX*iMBY) -> m_iNPSegmentNumber = g_pNewPredDec->GetSliceNum((iMBX *m_iRRVScale),(iMBY *m_iRRVScale));// (pmbmd + iMBX + m_iNumMBX*iMBY) -> m_iNPSegmentNumber = g_pNewPredDec->GetSliceNum(iMBX,iMBY);// ~RRV } } }// ~NEWPRED do{ CMBMode* pmbmdFirst = pmbmd; CMotionVector* pmvFirst = pmv; Int* piMCBPCFirst = piMCBPC; Int* piIntraDCFirst = piIntraDC; mbnFirst = mbn; if( checkResyncMarker() ){ decodeVideoPacketHeader(iCurrentQP); iVideoPacketNumber++; bRestartDelayedQP = TRUE; } do{ pmbmd->m_iVideoPacketNumber = iVideoPacketNumber; iMBX = mbn % m_iNumMBX; iMBY = mbn / m_iNumMBX; Bool bStuffing = decodeMBTextureModeOfPVOP_DataPartitioning(pmbmd, piMCBPC); if(bStuffing) { if ( checkMotionMarker() ) break; continue; } if(iMBX == 0) { bLeftBndry = TRUE; } else { bLeftBndry = !((pmbmd - 1) -> m_iVideoPacketNumber == pmbmd -> m_iVideoPacketNumber); } if(iMBY == 0) { bTopBndry = TRUE; } else { bTopBndry = !((pmbmd - m_iNumMBX) -> m_iVideoPacketNumber == pmbmd -> m_iVideoPacketNumber); } if((iMBX == m_iNumMBX - 1) || (iMBY == 0)) { bRightBndry = TRUE; } else { bRightBndry = !((pmbmd - m_iNumMBX + 1) -> m_iVideoPacketNumber == pmbmd -> m_iVideoPacketNumber); }// GMC if(!pmbmd -> m_bMCSEL)// ~GMC decodeMV (pmbmd, pmv, bLeftBndry, bRightBndry, bTopBndry, FALSE, iMBX, iMBY);// GMC else { Int iPmvx, iPmvy, iHalfx, iHalfy; globalmv (iPmvx, iPmvy, iHalfx, iHalfy, iMBX*MB_SIZE,iMBY*MB_SIZE, m_vopmd.mvInfoForward.uiRange, m_volmd.bQuarterSample); CVector vctOrg; vctOrg.x = iPmvx*2 + iHalfx; vctOrg.y = iPmvy*2 + iHalfy; *pmv= CMotionVector (iPmvx, iPmvy); pmv -> iHalfX = iHalfx; pmv -> iHalfY = iHalfy; pmv -> computeTrueMV (); pmv -> computeMV (); for (UInt i = 1; i < PVOP_MV_PER_REF_PER_MB; i++) pmv[i] = *pmv; }// ~GMC if(bMBBackup){ if (pmbmdBackup->m_dctMd == INTER || pmbmdBackup->m_dctMd == INTERQ) { motionCompMB ( m_ppxlcPredMBY, m_pvopcRefQ0->pixelsY (), pmvBackup, pmbmdBackup, iMBXBackup, iMBYBackup, x, y, pmbmdBackup->m_bSkip, FALSE, &m_rctRefVOPY0 ); if (!(pmbmdBackup->m_bSkip && !pmbmdBackup->m_bMCSEL)) { // GMC CoordI iXRefUV, iYRefUV, iXRefUV1, iYRefUV1;// GMC if (!pmbmdBackup->m_bMCSEL)// ~GMC mvLookupUV (pmbmdBackup, pmvBackup, iXRefUV, iYRefUV, iXRefUV1, iYRefUV1);// GMC if(pmbmdBackup->m_bMCSEL) { FindGlobalChromPredForGMC(x,y,m_ppxlcPredMBU,m_ppxlcPredMBV); } else// ~GMC motionCompUV (m_ppxlcPredMBU, m_ppxlcPredMBV, m_pvopcRefQ0, x, y, iXRefUV, iYRefUV, m_vopmd.iRoundingControl, &m_rctRefVOPY0);// GMC if (pmbmdBackup->m_bSkip) assignPredToCurrQ (ppxlcCurrQMBYBackup, ppxlcCurrQMBUBackup, ppxlcCurrQMBVBackup); else// ~GMC addErrorAndPredToCurrQ (ppxlcCurrQMBYBackup, ppxlcCurrQMBUBackup, ppxlcCurrQMBVBackup); } else { if (m_volmd.bAdvPredDisable) copyFromRefToCurrQ (m_pvopcRefQ0, x, y, ppxlcCurrQMBYBackup, ppxlcCurrQMBUBackup, ppxlcCurrQMBVBackup, NULL); else copyFromPredForYAndRefForCToCurrQ (x, y, ppxlcCurrQMBYBackup, ppxlcCurrQMBUBackup, ppxlcCurrQMBVBackup, NULL); } } bMBBackup = FALSE;// NEWPRED if (m_volmd.bNewpredEnable && (m_volmd.bNewpredSegmentType == 0)) { bRet = FALSE; // copy picture from NEWPRED reference picture memory// RRV modification RefpointY = (PixelC*) g_pNewPredDec->m_pchNewPredRefY + (EXPANDY_REF_FRAME * m_rctRefFrameY.width) + iMBY * (MB_SIZE *m_iRRVScale)* m_rctRefFrameY.width; RefpointU = (PixelC*) g_pNewPredDec->m_pchNewPredRefU + ((EXPANDY_REF_FRAME/2)*m_rctRefFrameUV.width) + iMBY * (BLOCK_SIZE *m_iRRVScale) * m_rctRefFrameUV.width; RefpointV = (PixelC*) g_pNewPredDec->m_pchNewPredRefV + ((EXPANDY_REF_FRAME/2)*m_rctRefFrameUV.width) + iMBY * (BLOCK_SIZE *m_iRRVScale) * m_rctRefFrameUV.width; bRet = g_pNewPredDec->CopyNPtoVM(iVideoPacketNumber, RefpointY, RefpointU, RefpointV); pRefpointY = (PixelC*) m_pvopcRefQ0->pixelsY () + m_iStartInRefToCurrRctY + iMBY * (MB_SIZE *m_iRRVScale) * m_rctRefFrameY.width; pRefpointU = (PixelC*) m_pvopcRefQ0->pixelsU () + m_iStartInRefToCurrRctUV + iMBY * (BLOCK_SIZE *m_iRRVScale) * m_rctRefFrameUV.width; pRefpointV = (PixelC*) m_pvopcRefQ0->pixelsV () + m_iStartInRefToCurrRctUV + iMBY * (BLOCK_SIZE *m_iRRVScale) * m_rctRefFrameUV.width; // padding around VP g_pNewPredDec->ChangeRefOfSlice((const PixelC* )pRefpointY, RefbufY,(const PixelC* )pRefpointU, RefbufU, (const PixelC* )pRefpointV, RefbufV, (iMBX *m_iRRVScale), (iMBY *m_iRRVScale), m_rctRefFrameY, m_rctRefFrameUV); repeatPadYOrA ((PixelC*) m_pvopcRefQ0->pixelsY () + m_iOffsetForPadY, m_pvopcRefQ0); repeatPadUV (m_pvopcRefQ0); } // ~NEWPRED } pmbmd++; pmv += PVOP_MV_PER_REF_PER_MB; mbn++; piMCBPC++; assert(mbn<=(m_iNumMBX*m_iNumMBY)); } while( !checkMotionMarker() ); m_pbitstrmIn -> getBits (NUMBITS_DP_MOTION_MARKER); pmbmd = pmbmdFirst; piMCBPC = piMCBPCFirst; piIntraDC = piIntraDCFirst; //printf("#"); for(i=mbnFirst;i<mbn;i++) { decodeMBTextureHeadOfPVOP_DataPartitioning (pmbmd, iCurrentQP, piMCBPC, piIntraDC, &bRestartDelayedQP); //if(pmbmd->m_bSkip) // printf("(Skip)"); //else // printf("(%d:%d:%d)", *piMCBPC, pmbmd->m_bCodeDcAsAc, pmbmd->m_stepSize); pmbmd++; piMCBPC++; piIntraDC += V_BLOCK; } pmbmd = pmbmdFirst; pmv = pmvFirst; piIntraDC = piIntraDCFirst; for(i=mbnFirst;i<mbn;i++) { iMBX = i % m_iNumMBX; iMBY = i / m_iNumMBX; if(iMBX == 0 ) { ppxlcCurrQMBY = ppxlcCurrQY; ppxlcCurrQMBU = ppxlcCurrQU; ppxlcCurrQMBV = ppxlcCurrQV; x = 0;// RRV modification if(iMBY != 0) y += (MB_SIZE *m_iRRVScale);// if(iMBY != 0) y += MB_SIZE;// ~RRV } else {// RRV modification x += (MB_SIZE *m_iRRVScale);// x += MB_SIZE;// ~RRV } if (pmbmd->m_dctMd == INTRA || pmbmd->m_dctMd == INTRAQ) decodeTextureIntraMB_DataPartitioning (pmbmd, iMBX, iMBY, ppxlcCurrQMBY, ppxlcCurrQMBU, ppxlcCurrQMBV, piIntraDC); else { if (!pmbmd->m_bSkip) decodeTextureInterMB (pmbmd); } if(i==mbn-1){ bMBBackup = TRUE; pmbmdBackup = pmbmd; pmvBackup = pmv; iMBXBackup = iMBX; iMBYBackup = iMBY; ppxlcCurrQMBYBackup = ppxlcCurrQMBY; ppxlcCurrQMBUBackup = ppxlcCurrQMBU; ppxlcCurrQMBVBackup = ppxlcCurrQMBV; } if (pmbmd->m_dctMd == INTER || pmbmd->m_dctMd == INTERQ) { motionCompMB ( m_ppxlcPredMBY, m_pvopcRefQ0->pixelsY (), pmv, pmbmd, iMBX, iMBY, x, y, pmbmd->m_bSkip, FALSE, &m_rctRefVOPY0 ); if (!(pmbmd->m_bSkip && !pmbmd->m_bMCSEL)) { // GMC CoordI iXRefUV, iYRefUV, iXRefUV1, iYRefUV1;// GMC if(!pmbmd->m_bMCSEL)// ~GMC mvLookupUV (pmbmd, pmv, iXRefUV, iYRefUV, iXRefUV1, iYRefUV1);// GMC if(pmbmd->m_bMCSEL){ FindGlobalChromPredForGMC(x,y,m_ppxlcPredMBU,m_ppxlcPredMBV); }else// ~GMC motionCompUV (m_ppxlcPredMBU, m_ppxlcPredMBV, m_pvopcRefQ0, x, y, iXRefUV, iYRefUV, m_vopmd.iRoundingControl, &m_rctRefVOPY0);// GMC if(pmbmd->m_bSkip) assignPredToCurrQ (ppxlcCurrQMBY, ppxlcCurrQMBU, ppxlcCurrQMBV); else// ~GMC addErrorAndPredToCurrQ (ppxlcCurrQMBY, ppxlcCurrQMBU, ppxlcCurrQMBV); } else { if (m_volmd.bAdvPredDisable) copyFromRefToCurrQ (m_pvopcRefQ0, x, y, ppxlcCurrQMBY, ppxlcCurrQMBU, ppxlcCurrQMBV, NULL); else copyFromPredForYAndRefForCToCurrQ (x, y, ppxlcCurrQMBY, ppxlcCurrQMBU, ppxlcCurrQMBV, NULL); } } pmbmd++; pmv += PVOP_MV_PER_REF_PER_MB; piIntraDC += V_BLOCK;// RRV modification ppxlcCurrQMBY += (MB_SIZE *m_iRRVScale); ppxlcCurrQMBU += (BLOCK_SIZE *m_iRRVScale); ppxlcCurrQMBV += (BLOCK_SIZE *m_iRRVScale);// ppxlcCurrQMBY += MB_SIZE;// ppxlcCurrQMBU += BLOCK_SIZE;// ppxlcCurrQMBV += BLOCK_SIZE;// ~RRV if(iMBX == m_iNumMBX - 1) { MacroBlockMemory** ppmbmTemp = m_rgpmbmAbove; m_rgpmbmAbove = m_rgpmbmCurr; m_rgpmbmCurr = ppmbmTemp; ppxlcCurrQY += m_iFrameWidthYxMBSize; ppxlcCurrQU += m_iFrameWidthUVxBlkSize; ppxlcCurrQV += m_iFrameWidthUVxBlkSize; } } } while( checkResyncMarker() ); delete m_piIntraDC; delete m_piMCBPC;// RRV insertion if(m_vopmd.RRVmode.iRRVOnOff == 1) { PixelC* ppxlcCurrQY = (PixelC*) m_pvopcRefQ1->pixelsY () + m_iStartInRefToCurrRctY; PixelC* ppxlcCurrQU = (PixelC*) m_pvopcRefQ1->pixelsU () + m_iStartInRefToCurrRctUV; PixelC* ppxlcCurrQV = (PixelC*) m_pvopcRefQ1->pixelsV () + m_iStartInRefToCurrRctUV; filterCodedPictureForRRV(ppxlcCurrQY, ppxlcCurrQU, ppxlcCurrQV, m_iVOPWidthY, m_rctCurrVOPY.height(), m_iNumMBX, m_iNumMBY, m_pvopcRefQ0->whereY ().width, m_pvopcRefQ0->whereUV ().width); }// ~RRV// NEWPRED if (m_volmd.bNewpredEnable) { Int i; Int noStore_vop_id; // stored Vop_id // store decoded picture in NEWPRED reference picture memory g_pNewPredDec->SetQBuf( m_pvopcRefQ0, m_pvopcRefQ1 ); for (i=0; i < g_pNewPredDec->m_iNumSlice; i++ ) { noStore_vop_id = g_pNewPredDec->make_next_decbuf(g_pNewPredDec->m_pNewPredControl, g_pNewPredDec->GetCurrentVOP_id(), i); } // copy previous decoded picutre to reference picture memory because of output ording for( int iSlice = 0; iSlice < g_pNewPredDec->m_iNumSlice; iSlice++ ) { int iMBY = g_pNewPredDec->NowMBA(iSlice)/((g_pNewPredDec->getwidth())/MB_SIZE); PixelC* RefpointY = (PixelC*) m_pvopcRefQ0->pixelsY () + (m_iStartInRefToCurrRctY-EXPANDY_REF_FRAME) + iMBY * MB_SIZE * m_rctRefFrameY.width; PixelC* RefpointU = (PixelC*) m_pvopcRefQ0->pixelsU () + (m_iStartInRefToCurrRctUV-EXPANDUV_REF_FRAME) + iMBY * BLOCK_SIZE * m_rctRefFrameUV.width; PixelC* RefpointV = (PixelC*) m_pvopcRefQ0->pixelsV () + (m_iStartInRefToCurrRctUV-EXPANDUV_REF_FRAME) + iMBY * BLOCK_SIZE * m_rctRefFrameUV.width; g_pNewPredDec->CopyNPtoPrev(iSlice, RefpointY, RefpointU, RefpointV); } repeatPadYOrA ((PixelC*) m_pvopcRefQ0->pixelsY () + m_iOffsetForPadY, m_pvopcRefQ0); repeatPadUV (m_pvopcRefQ0); }// ~NEWPRED}Void CVideoObjectDecoder::decodeIVOP_WithShape_DataPartitioning () { //assert (m_volmd.nBits==8); assert (m_volmd.fAUsage!=EIGHT_BIT); //in case the IVOP is used as an ref for direct mode memset (m_rgmv, 0, m_iNumMB * PVOP_MV_PER_REF_PER_MB * sizeof (CMotionVector)); Int iMBX, iMBY; CMBMode* pmbmd = m_rgmbmd; PixelC* ppxlcRefY = (PixelC*) m_pvopcRefQ1->pixelsY () + m_iStartInRefToCurrRctY; PixelC* ppxlcRefU = (PixelC*) m_pvopcRefQ1->pixelsU () + m_iStartInRefToCurrRctUV; PixelC* ppxlcRefV = (PixelC*) m_pvopcRefQ1->pixelsV () + m_iStartInRefToCurrRctUV; PixelC* ppxlcRefBY = (PixelC*) m_pvopcRefQ1->pixelsBY () + m_iStartInRefToCurrRctY;// PixelC* ppxlcRefA = (PixelC*) m_pvopcRefQ1->pixelsA (0) + m_iStartInRefToCurrRctY; PixelC* ppxlcRefBUV = (PixelC*) m_pvopcRefQ1->pixelsBUV () + m_iStartInRefToCurrRctUV; Int iCurrentQP = m_vopmd.intStepI; Int iVideoPacketNumber = 0; m_iVPMBnum = 0; m_piMCBPC = new Int[m_iNumMBX*m_iNumMBY]; Int* piMCBPC = m_piMCBPC; m_piIntraDC = new Int[m_iNumMBX*m_iNumMBY*V_BLOCK]; Int* piIntraDC = m_piIntraDC; Bool bRestartDelayedQP = TRUE; Int i; Int mbn = 0, mbnFirst = 0; PixelC* ppxlcRefMBBY = NULL; PixelC* ppxlcRefMBBUV; PixelC* ppxlcRefMBY = NULL; PixelC* ppxlcRefMBU = NULL; PixelC* ppxlcRefMBV = NULL; //PixelC* ppxlcRefMBA; do { if( checkResyncMarker() ) { decodeVideoPacketHeader(iCurrentQP); iVideoPacketNumber++; bRestartDelayedQP = TRUE; } CMBMode* pmbmdFirst = pmbmd; Int* piMCBPCFirst = piMCBPC; Int* piIntraDCFirst = piIntraDC; mbnFirst = mbn; do{ iMBX = mbn % m_iNumMBX; iMBY = mbn / m_iNumMBX; if(iMBX == 0 ) { ppxlcRefMBBY = ppxlcRefBY; ppxlcRefMBBUV = ppxlcRefBUV; } pmbmd->m_iVideoPacketNumber = iVideoPacketNumber; decodeIntraShape (pmbmd, iMBX, iMBY, m_ppxlcCurrMBBY, ppxlcRefMBBY); // Changed HHI 2000-04-11 downSampleBY (m_ppxlcCurrMBBY, m_ppxlcCurrMBBUV, pmbmd); // downsample original BY now for LPE padding (using original shape) if(m_volmd.bShapeOnly==FALSE) { pmbmd->m_bPadded=FALSE; if (pmbmd->m_rgTranspStatus [0] != ALL) { *piMCBPC = m_pentrdecSet->m_pentrdecMCBPCintra->decodeSymbol (); assert (*piMCBPC >= 0 && *piMCBPC <= 8); while (*piMCBPC == 8) { *piMCBPC = m_pentrdecSet->m_pentrdecMCBPCintra->decodeSymbol (); }; pmbmd->m_dctMd = INTRA; if (*piMCBPC > 3) pmbmd->m_dctMd = INTRAQ; decodeMBTextureDCOfIVOP_DataPartitioning (pmbmd, iCurrentQP, piIntraDC, &bRestartDelayedQP); } } else { assert(FALSE); } pmbmd++; mbn++; piMCBPC++; piIntraDC+=V_BLOCK; ppxlcRefMBBY += MB_SIZE; ppxlcRefMBBUV += BLOCK_SIZE; if(iMBX == m_iNumMBX - 1) { ppxlcRefBY += m_iFrameWidthYxMBSize; ppxlcRefBUV += m_iFrameWidthUVxBlkSize; } } while( !checkDCMarker() ); m_pbitstrmIn -> getBits (NUMBITS_DP_DC_MARKER); pmbmd = pmbmdFirst; piMCBPC = piMCBPCFirst; for(i=mbnFirst;i<mbn;i++) {?? 快捷鍵說明
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