Esempio n. 1
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func (this *TEncEntropy) encodeMVPIdxPU(pcCU *TLibCommon.TComDataCU, uiAbsPartIdx uint, eRefList TLibCommon.RefPicList) {
	if (pcCU.GetInterDir1(uiAbsPartIdx) & (1 << eRefList)) != 0 {
		this.m_pcEntropyCoderIf.codeMVPIdx(pcCU, uiAbsPartIdx, eRefList)
	}

	return
}
Esempio n. 2
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func (this *TEncEntropy) encodeInterDirPU(pcCU *TLibCommon.TComDataCU, uiAbsPartIdx uint) {
	if !pcCU.GetSlice().IsInterB() {
		return
	}

	this.m_pcEntropyCoderIf.codeInterDir(pcCU, uiAbsPartIdx)
	return
}
Esempio n. 3
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func (this *TDecEntropy) DecodePredInfo(pcCU *TLibCommon.TComDataCU, uiAbsPartIdx, uiDepth uint, pcSubCU *TLibCommon.TComDataCU) {
	if pcCU.IsIntra(uiAbsPartIdx) {
		this.DecodeIntraDirModeLuma(pcCU, uiAbsPartIdx, uiDepth)
		this.DecodeIntraDirModeChroma(pcCU, uiAbsPartIdx, uiDepth)
	} else {
		this.DecodePUWise(pcCU, uiAbsPartIdx, uiDepth, pcSubCU)
	}
}
Esempio n. 4
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func (this *TEncEntropy) encodeQP(pcCU *TLibCommon.TComDataCU, uiAbsPartIdx uint, bRD bool) { //= false );
	if bRD {
		uiAbsPartIdx = 0
	}

	if pcCU.GetSlice().GetPPS().GetUseDQP() {
		this.m_pcEntropyCoderIf.codeDeltaQP(pcCU, uiAbsPartIdx)
	}
}
Esempio n. 5
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func (this *TEncEntropy) encodeSkipFlag(pcCU *TLibCommon.TComDataCU, uiAbsPartIdx uint, bRD bool) { //= false );
	if pcCU.GetSlice().IsIntra() {
		return
	}
	if bRD {
		uiAbsPartIdx = 0
	}

	this.m_pcEntropyCoderIf.codeSkipFlag(pcCU, uiAbsPartIdx)
}
Esempio n. 6
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func (this *TEncEntropy) encodeRefFrmIdxPU(pcCU *TLibCommon.TComDataCU, uiAbsPartIdx uint, eRefList TLibCommon.RefPicList) {
	if pcCU.GetSlice().GetNumRefIdx(eRefList) == 1 {
		return
	}

	if pcCU.GetInterDir1(uiAbsPartIdx)&(1<<eRefList) != 0 {
		this.m_pcEntropyCoderIf.codeRefFrmIdx(pcCU, uiAbsPartIdx, eRefList)
	}

	return
}
Esempio n. 7
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func (this *TEncEntropy) encodePredInfo(pcCU *TLibCommon.TComDataCU, uiAbsPartIdx uint, bRD bool) { // = false );
	if bRD {
		uiAbsPartIdx = 0
	}
	//fmt.Printf("uiAbsPartIdx=%d\n", uiAbsPartIdx);
	if pcCU.IsIntra(uiAbsPartIdx) { // If it is Intra mode, encode intra prediction mode.
		this.encodeIntraDirModeLuma(pcCU, uiAbsPartIdx, true)
		this.encodeIntraDirModeChroma(pcCU, uiAbsPartIdx, bRD)
	} else {
		this.encodePUWise(pcCU, uiAbsPartIdx, bRD)
	}
}
Esempio n. 8
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func (this *TDecEntropy) DecodeInterDirPU(pcCU *TLibCommon.TComDataCU, uiAbsPartIdx, uiDepth, uiPartIdx uint) {
	var uiInterDir uint

	if pcCU.GetSlice().IsInterP() {
		uiInterDir = 1
	} else {
		this.m_pcEntropyDecoderIf.ParseInterDir(pcCU, &uiInterDir, uiAbsPartIdx)
	}

	pcCU.SetInterDirSubParts(uiInterDir, uiAbsPartIdx, uiPartIdx, uiDepth)

}
Esempio n. 9
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func (this *TEncEntropy) encodePUWise(pcCU *TLibCommon.TComDataCU, uiAbsPartIdx uint, bRD bool) { //= false );
	if bRD {
		uiAbsPartIdx = 0
	}

	ePartSize := pcCU.GetPartitionSize1(uiAbsPartIdx)
	var uiNumPU uint
	if ePartSize == TLibCommon.SIZE_2Nx2N {
		uiNumPU = 1
	} else if ePartSize == TLibCommon.SIZE_NxN {
		uiNumPU = 4
	} else {
		uiNumPU = 2
	}
	uiDepth := uint(pcCU.GetDepth1(uiAbsPartIdx))
	//fmt.Printf("ePartSize=%d\n",ePartSize);
	uiPUOffset := (TLibCommon.G_auiPUOffset[uint(ePartSize)] << ((pcCU.GetSlice().GetSPS().GetMaxCUDepth() - uiDepth) << 1)) >> 4

	uiSubPartIdx := uiAbsPartIdx
	for uiPartIdx := uint(0); uiPartIdx < uiNumPU; uiPartIdx++ {
		this.encodeMergeFlag(pcCU, uiSubPartIdx)
		if pcCU.GetMergeFlag1(uiSubPartIdx) {
			this.encodeMergeIndex(pcCU, uiSubPartIdx, false)
		} else {
			this.encodeInterDirPU(pcCU, uiSubPartIdx)
			for uiRefListIdx := 0; uiRefListIdx < 2; uiRefListIdx++ {
				if pcCU.GetSlice().GetNumRefIdx(TLibCommon.RefPicList(uiRefListIdx)) > 0 {
					this.encodeRefFrmIdxPU(pcCU, uiSubPartIdx, TLibCommon.RefPicList(uiRefListIdx))
					this.encodeMvdPU(pcCU, uiSubPartIdx, TLibCommon.RefPicList(uiRefListIdx))
					this.encodeMVPIdxPU(pcCU, uiSubPartIdx, TLibCommon.RefPicList(uiRefListIdx))
				}
			}
		}
		uiSubPartIdx += uiPUOffset
	}

	return
}
Esempio n. 10
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func (this *TDecEntropy) DecodeIPCMInfo(pcCU *TLibCommon.TComDataCU, uiAbsPartIdx, uiDepth uint) {
	if !pcCU.GetSlice().GetSPS().GetUsePCM() ||
		pcCU.GetWidth1(uiAbsPartIdx) > (1<<pcCU.GetSlice().GetSPS().GetPCMLog2MaxSize()) ||
		pcCU.GetWidth1(uiAbsPartIdx) < (1<<pcCU.GetSlice().GetSPS().GetPCMLog2MinSize()) {
		return
	}

	this.m_pcEntropyDecoderIf.ParseIPCMInfo(pcCU, uiAbsPartIdx, uiDepth)
}
Esempio n. 11
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func (this *TDecEntropy) DecodeRefFrmIdxPU(pcCU *TLibCommon.TComDataCU, uiAbsPartIdx, uiDepth, uiPartIdx uint, eRefList TLibCommon.RefPicList) {
	iRefFrmIdx := 0
	iParseRefFrmIdx := pcCU.GetInterDir1(uiAbsPartIdx) & (1 << uint(eRefList))
	//fmt.Printf("iParseRefFrmIdx=%d\n", iParseRefFrmIdx);

	if pcCU.GetSlice().GetNumRefIdx(eRefList) > 1 && iParseRefFrmIdx != 0 {
		this.m_pcEntropyDecoderIf.ParseRefFrmIdx(pcCU, &iRefFrmIdx, eRefList)
		//fmt.Printf("0iRefFrmIdx=%d\n", iRefFrmIdx);
	} else if iParseRefFrmIdx == 0 {
		iRefFrmIdx = TLibCommon.NOT_VALID
		//fmt.Printf("1iRefFrmIdx=%d\n", iRefFrmIdx);
	} else {
		iRefFrmIdx = 0
		//fmt.Printf("2iRefFrmIdx=%d\n", iRefFrmIdx);
	}

	ePartSize := pcCU.GetPartitionSize1(uiAbsPartIdx)
	pcCU.GetCUMvField(eRefList).SetAllRefIdx(int8(iRefFrmIdx), ePartSize, int(uiAbsPartIdx), uiDepth, int(uiPartIdx))
}
Esempio n. 12
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func (this *TEncEntropy) encodeIPCMInfo(pcCU *TLibCommon.TComDataCU, uiAbsPartIdx uint, bRD bool) { // = false );
	if !pcCU.GetSlice().GetSPS().GetUsePCM() ||
		pcCU.GetWidth1(uiAbsPartIdx) > (1<<pcCU.GetSlice().GetSPS().GetPCMLog2MaxSize()) ||
		pcCU.GetWidth1(uiAbsPartIdx) < (1<<pcCU.GetSlice().GetSPS().GetPCMLog2MinSize()) {
		return
	}

	if bRD {
		uiAbsPartIdx = 0
	}

	this.m_pcEntropyCoderIf.codeIPCMInfo(pcCU, uiAbsPartIdx)
}
Esempio n. 13
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func (this *TEncEntropy) encodeCoeff(pcCU *TLibCommon.TComDataCU, uiAbsPartIdx, uiDepth, uiWidth, uiHeight uint, bCodeDQP *bool) {
	uiMinCoeffSize := pcCU.GetPic().GetMinCUWidth() * pcCU.GetPic().GetMinCUHeight()
	uiLumaOffset := uiMinCoeffSize * uiAbsPartIdx
	uiChromaOffset := uiLumaOffset >> 2

	if pcCU.IsIntra(uiAbsPartIdx) {
		/*DTRACE_CABAC_VL( g_nSymbolCounter++ )*/
		this.m_pcEntropyCoderIf.DTRACE_CABAC_T("\tdecodeTransformIdx()\tCUDepth=")
		this.m_pcEntropyCoderIf.DTRACE_CABAC_V(uiDepth)
		this.m_pcEntropyCoderIf.DTRACE_CABAC_T("\n")
	} else {
		if !(pcCU.GetMergeFlag1(uiAbsPartIdx) && pcCU.GetPartitionSize1(uiAbsPartIdx) == TLibCommon.SIZE_2Nx2N) {
			this.m_pcEntropyCoderIf.codeQtRootCbf(pcCU, uiAbsPartIdx)
		}
		if !pcCU.GetQtRootCbf(uiAbsPartIdx) {
			return
		}
	}

	this.xEncodeTransform(pcCU, uiLumaOffset, uiChromaOffset, uiAbsPartIdx, uiDepth, uiWidth, uiHeight, 0, bCodeDQP)
}
Esempio n. 14
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func (this *TDecEntropy) DecodeMergeIndex(pcCU *TLibCommon.TComDataCU, uiPartIdx, uiAbsPartIdx uint, uiDepth uint) {
	uiMergeIndex := uint(0)
	this.m_pcEntropyDecoderIf.ParseMergeIndex(pcCU, &uiMergeIndex)
	pcCU.SetMergeIndexSubParts(uiMergeIndex, uiAbsPartIdx, uiPartIdx, uiDepth)

}
Esempio n. 15
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func (this *TDecEntropy) DecodeMVPIdxPU(pcSubCU *TLibCommon.TComDataCU, uiPartAddr, uiDepth, uiPartIdx uint, eRefList TLibCommon.RefPicList) {
	iMVPIdx := -1

	cZeroMv := TLibCommon.NewTComMv(0, 0)
	cMv := cZeroMv
	iRefIdx := -1

	pcSubCUMvField := pcSubCU.GetCUMvField(eRefList)
	pAMVPInfo := pcSubCUMvField.GetAMVPInfo()

	iRefIdx = int(pcSubCUMvField.GetRefIdx(int(uiPartAddr)))
	cMv = cZeroMv

	if (pcSubCU.GetInterDir1(uiPartAddr) & (1 << eRefList)) != 0 {
		this.m_pcEntropyDecoderIf.ParseMVPIdx(&iMVPIdx)
	}
	pcSubCU.FillMvpCand(uiPartIdx, uiPartAddr, eRefList, iRefIdx, pAMVPInfo)
	pcSubCU.SetMVPNumSubParts(pAMVPInfo.IN, eRefList, uiPartAddr, uiPartIdx, uiDepth)
	pcSubCU.SetMVPIdxSubParts(iMVPIdx, eRefList, uiPartAddr, uiPartIdx, uiDepth)
	if iRefIdx >= 0 {
		cMv = this.m_pcPrediction.GetMvPredAMVP(pcSubCU, uiPartIdx, uiPartAddr, eRefList)
		cMvd := pcSubCUMvField.GetMvd(int(uiPartAddr))
		//fmt.Printf("%d=(%d,%d)=(%d,%d)\n", iRefIdx, cMv.GetHor(), cMv.GetVer(), cMvd.GetHor(), cMvd.GetVer());
		cMv.Set(cMv.GetHor()+cMvd.GetHor(), cMv.GetVer()+cMvd.GetVer())
	}

	ePartSize := pcSubCU.GetPartitionSize1(uiPartAddr)
	pcSubCU.GetCUMvField(eRefList).SetAllMv(*cMv, ePartSize, int(uiPartAddr), 0, int(uiPartIdx))
	//fmt.Printf("%d(%d,%d)=%d,%d,%d",eRefList,cMv.GetHor(), cMv.GetVer(),ePartSize, uiPartAddr, uiPartIdx);
}
Esempio n. 16
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func (this *TDecEntropy) DecodeMvdPU(pcCU *TLibCommon.TComDataCU, uiAbsPartIdx, uiDepth, uiPartIdx uint, eRefList TLibCommon.RefPicList) {
	if (pcCU.GetInterDir1(uiAbsPartIdx) & (1 << eRefList)) != 0 {
		this.m_pcEntropyDecoderIf.ParseMvd(pcCU, uiAbsPartIdx, uiPartIdx, uiDepth, eRefList)
	}
}
Esempio n. 17
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func (this *TEncEntropy) xEncodeTransform(pcCU *TLibCommon.TComDataCU, offsetLuma, offsetChroma, uiAbsPartIdx, uiDepth, width, height, uiTrIdx uint, bCodeDQP *bool) {
	uiSubdiv := uint(TLibCommon.B2U(uint(pcCU.GetTransformIdx1(uiAbsPartIdx)+pcCU.GetDepth1(uiAbsPartIdx)) > uiDepth))
	uiLog2TrafoSize := uint(TLibCommon.G_aucConvertToBit[pcCU.GetSlice().GetSPS().GetMaxCUWidth()]) + 2 - uiDepth
	cbfY := pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_LUMA, uiTrIdx)
	cbfU := pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_CHROMA_U, uiTrIdx)
	cbfV := pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_CHROMA_V, uiTrIdx)

	//fmt.Print("Enter xEncodeTransform\n");// with uiSubdiv=%d, uiAbsPartIdx=%d, uiDepth=%d\n", uiSubdiv, uiAbsPartIdx, uiDepth);

	if uiTrIdx == 0 {
		this.m_bakAbsPartIdxCU = uiAbsPartIdx
	}
	if uiLog2TrafoSize == 2 {
		partNum := pcCU.GetPic().GetNumPartInCU() >> ((uiDepth - 1) << 1)
		if (uiAbsPartIdx % partNum) == 0 {
			this.m_uiBakAbsPartIdx = uiAbsPartIdx
			this.m_uiBakChromaOffset = offsetChroma
		} else if (uiAbsPartIdx % partNum) == (partNum - 1) {
			cbfU = pcCU.GetCbf3(this.m_uiBakAbsPartIdx, TLibCommon.TEXT_CHROMA_U, uiTrIdx)
			cbfV = pcCU.GetCbf3(this.m_uiBakAbsPartIdx, TLibCommon.TEXT_CHROMA_V, uiTrIdx)
		}
	}

	if pcCU.GetPredictionMode1(uiAbsPartIdx) == TLibCommon.MODE_INTRA && pcCU.GetPartitionSize1(uiAbsPartIdx) == TLibCommon.SIZE_NxN && uiDepth == uint(pcCU.GetDepth1(uiAbsPartIdx)) {
		//assert( uiSubdiv );
	} else if pcCU.GetPredictionMode1(uiAbsPartIdx) == TLibCommon.MODE_INTER && (pcCU.GetPartitionSize1(uiAbsPartIdx) != TLibCommon.SIZE_2Nx2N) && uiDepth == uint(pcCU.GetDepth1(uiAbsPartIdx)) && (pcCU.GetSlice().GetSPS().GetQuadtreeTUMaxDepthInter() == 1) {
		if uiLog2TrafoSize > pcCU.GetQuadtreeTULog2MinSizeInCU(uiAbsPartIdx) {
			//assert( uiSubdiv );
		} else {
			//assert(!uiSubdiv );
		}
	} else if uiLog2TrafoSize > pcCU.GetSlice().GetSPS().GetQuadtreeTULog2MaxSize() {
		//assert( uiSubdiv );
	} else if uiLog2TrafoSize == pcCU.GetSlice().GetSPS().GetQuadtreeTULog2MinSize() {
		//assert( !uiSubdiv );
	} else if uiLog2TrafoSize == pcCU.GetQuadtreeTULog2MinSizeInCU(uiAbsPartIdx) {
		//assert( !uiSubdiv );
	} else {
		//assert( uiLog2TrafoSize > pcCU.GetQuadtreeTULog2MinSizeInCU(uiAbsPartIdx) );
		this.m_pcEntropyCoderIf.codeTransformSubdivFlag(uiSubdiv, 5-uiLog2TrafoSize)
	}

	uiTrDepthCurr := uiDepth - uint(pcCU.GetDepth1(uiAbsPartIdx))
	bFirstCbfOfCU := uiTrDepthCurr == 0
	if bFirstCbfOfCU || uiLog2TrafoSize > 2 {
		if bFirstCbfOfCU || pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_CHROMA_U, uiTrDepthCurr-1) != 0 {
			this.m_pcEntropyCoderIf.codeQtCbf(pcCU, uiAbsPartIdx, TLibCommon.TEXT_CHROMA_U, uiTrDepthCurr)
		}
		if bFirstCbfOfCU || pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_CHROMA_V, uiTrDepthCurr-1) != 0 {
			this.m_pcEntropyCoderIf.codeQtCbf(pcCU, uiAbsPartIdx, TLibCommon.TEXT_CHROMA_V, uiTrDepthCurr)
		}
	} else if uiLog2TrafoSize == 2 {
		//assert( pcCU.GetCbf( uiAbsPartIdx, TEXT_CHROMA_U, uiTrDepthCurr ) == pcCU.GetCbf( uiAbsPartIdx, TEXT_CHROMA_U, uiTrDepthCurr - 1 ) );
		//assert( pcCU.GetCbf( uiAbsPartIdx, TEXT_CHROMA_V, uiTrDepthCurr ) == pcCU.GetCbf( uiAbsPartIdx, TEXT_CHROMA_V, uiTrDepthCurr - 1 ) );
	}

	if uiSubdiv != 0 {
		var size uint
		width >>= 1
		height >>= 1
		size = width * height
		uiTrIdx++
		uiDepth++
		partNum := pcCU.GetPic().GetNumPartInCU() >> (uiDepth << 1)

		this.xEncodeTransform(pcCU, offsetLuma, offsetChroma, uiAbsPartIdx, uiDepth, width, height, uiTrIdx, bCodeDQP)

		uiAbsPartIdx += partNum
		offsetLuma += size
		offsetChroma += (size >> 2)
		this.xEncodeTransform(pcCU, offsetLuma, offsetChroma, uiAbsPartIdx, uiDepth, width, height, uiTrIdx, bCodeDQP)

		uiAbsPartIdx += partNum
		offsetLuma += size
		offsetChroma += (size >> 2)
		this.xEncodeTransform(pcCU, offsetLuma, offsetChroma, uiAbsPartIdx, uiDepth, width, height, uiTrIdx, bCodeDQP)

		uiAbsPartIdx += partNum
		offsetLuma += size
		offsetChroma += (size >> 2)
		this.xEncodeTransform(pcCU, offsetLuma, offsetChroma, uiAbsPartIdx, uiDepth, width, height, uiTrIdx, bCodeDQP)
	} else {
		/*DTRACE_CABAC_VL( g_nSymbolCounter++ );*/
		this.m_pcEntropyCoderIf.DTRACE_CABAC_T("\tTrIdx: abspart=")
		this.m_pcEntropyCoderIf.DTRACE_CABAC_V(uiAbsPartIdx)
		this.m_pcEntropyCoderIf.DTRACE_CABAC_T("\tdepth=")
		this.m_pcEntropyCoderIf.DTRACE_CABAC_V(uiDepth)
		this.m_pcEntropyCoderIf.DTRACE_CABAC_T("\ttrdepth=")
		this.m_pcEntropyCoderIf.DTRACE_CABAC_V(uint(pcCU.GetTransformIdx1(uiAbsPartIdx)))
		this.m_pcEntropyCoderIf.DTRACE_CABAC_T("\n")

		if pcCU.GetPredictionMode1(uiAbsPartIdx) != TLibCommon.MODE_INTRA && uiDepth == uint(pcCU.GetDepth1(uiAbsPartIdx)) && pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_CHROMA_U, 0) == 0 && pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_CHROMA_V, 0) == 0 {
			//assert( pcCU.GetCbf( uiAbsPartIdx, TLibCommon.TEXT_LUMA, 0 ) );
		} else {
			this.m_pcEntropyCoderIf.codeQtCbf(pcCU, uiAbsPartIdx, TLibCommon.TEXT_LUMA, uint(pcCU.GetTransformIdx1(uiAbsPartIdx)))
		}

		if cbfY != 0 || cbfU != 0 || cbfV != 0 {
			// dQP: only for LCU once
			if pcCU.GetSlice().GetPPS().GetUseDQP() {
				if *bCodeDQP {
					this.encodeQP(pcCU, this.m_bakAbsPartIdxCU, false)
					*bCodeDQP = false
				}
			}
		}
		if cbfY != 0 {
			trWidth := width
			trHeight := height
			this.m_pcEntropyCoderIf.codeCoeffNxN(pcCU, pcCU.GetCoeffY()[offsetLuma:], uiAbsPartIdx, trWidth, trHeight, uiDepth, TLibCommon.TEXT_LUMA)
		}
		if uiLog2TrafoSize > 2 {
			trWidth := width >> 1
			trHeight := height >> 1
			if cbfU != 0 {
				this.m_pcEntropyCoderIf.codeCoeffNxN(pcCU, pcCU.GetCoeffCb()[offsetChroma:], uiAbsPartIdx, trWidth, trHeight, uiDepth, TLibCommon.TEXT_CHROMA_U)
			}
			if cbfV != 0 {
				this.m_pcEntropyCoderIf.codeCoeffNxN(pcCU, pcCU.GetCoeffCr()[offsetChroma:], uiAbsPartIdx, trWidth, trHeight, uiDepth, TLibCommon.TEXT_CHROMA_V)
			}
		} else {
			partNum := pcCU.GetPic().GetNumPartInCU() >> ((uiDepth - 1) << 1)
			if (uiAbsPartIdx % partNum) == (partNum - 1) {
				trWidth := width
				trHeight := height
				if cbfU != 0 {
					this.m_pcEntropyCoderIf.codeCoeffNxN(pcCU, pcCU.GetCoeffCb()[this.m_uiBakChromaOffset:], this.m_uiBakAbsPartIdx, trWidth, trHeight, uiDepth, TLibCommon.TEXT_CHROMA_U)
				}
				if cbfV != 0 {
					this.m_pcEntropyCoderIf.codeCoeffNxN(pcCU, pcCU.GetCoeffCr()[this.m_uiBakChromaOffset:], this.m_uiBakAbsPartIdx, trWidth, trHeight, uiDepth, TLibCommon.TEXT_CHROMA_V)
				}
			}
		}
	}
	//fmt.Print("Exit xEncodeTransform\n");
}
Esempio n. 18
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func (this *TDecEntropy) DecodeCoeff(pcCU *TLibCommon.TComDataCU, uiAbsPartIdx, uiDepth, uiWidth, uiHeight uint, bCodeDQP *bool) {
	uiMinCoeffSize := pcCU.GetPic().GetMinCUWidth() * pcCU.GetPic().GetMinCUHeight()
	uiLumaOffset := uiMinCoeffSize * uiAbsPartIdx
	uiChromaOffset := uiLumaOffset >> 2

	if !pcCU.IsIntra(uiAbsPartIdx) {
		uiQtRootCbf := uint(1)
		if !(pcCU.GetPartitionSize1(uiAbsPartIdx) == TLibCommon.SIZE_2Nx2N && pcCU.GetMergeFlag1(uiAbsPartIdx)) {
			this.m_pcEntropyDecoderIf.ParseQtRootCbf(uiAbsPartIdx, &uiQtRootCbf)
		}
		if uiQtRootCbf == 0 {
			pcCU.SetCbfSubParts(0, 0, 0, uiAbsPartIdx, uiDepth)
			pcCU.SetTrIdxSubParts(0, uiAbsPartIdx, uiDepth)
			return
		}

	}
	this.xDecodeTransform(pcCU, uiLumaOffset, uiChromaOffset, uiAbsPartIdx, uiDepth, uiWidth, uiHeight, 0, bCodeDQP)
}
Esempio n. 19
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func (this *TDecEntropy) DecodeQP(pcCU *TLibCommon.TComDataCU, uiAbsPartIdx uint) {
	if pcCU.GetSlice().GetPPS().GetUseDQP() {
		this.m_pcEntropyDecoderIf.ParseDeltaQP(pcCU, uiAbsPartIdx, uint(pcCU.GetDepth1(uiAbsPartIdx)))
	}
}
Esempio n. 20
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func (this *TDecSlice) DecompressSlice(ppcSubstreams []*TLibCommon.TComInputBitstream, rpcPic *TLibCommon.TComPic, pcSbacDecoder *TDecSbac, pcSbacDecoders []*TDecSbac) {
	//var pcCU *TLibCommon.TComDataCU;
	uiIsLast := uint(0)
	var iStartCUEncOrder uint
	if rpcPic.GetSlice(rpcPic.GetCurrSliceIdx()).GetSliceCurStartCUAddr()/rpcPic.GetNumPartInCU() > rpcPic.GetSlice(rpcPic.GetCurrSliceIdx()).GetSliceSegmentCurStartCUAddr()/rpcPic.GetNumPartInCU() {
		iStartCUEncOrder = rpcPic.GetSlice(rpcPic.GetCurrSliceIdx()).GetSliceCurStartCUAddr() / rpcPic.GetNumPartInCU()
	} else {
		iStartCUEncOrder = rpcPic.GetSlice(rpcPic.GetCurrSliceIdx()).GetSliceSegmentCurStartCUAddr() / rpcPic.GetNumPartInCU()
	}
	iStartCUAddr := int(rpcPic.GetPicSym().GetCUOrderMap(int(iStartCUEncOrder)))

	// decoder don't need prediction & residual frame buffer
	rpcPic.SetPicYuvPred(nil)
	rpcPic.SetPicYuvResi(nil)

	//#if ENC_DEC_TRACE
	//  g_bJustDoIt = g_bEncDecTraceEnable;
	//#endif
	//  DTRACE_CABAC_VL( g_nSymbolCounter++ );
	//  DTRACE_CABAC_T( "\tPOC: " );
	//  DTRACE_CABAC_V( rpcPic.GetPOC() );
	//  DTRACE_CABAC_T( "\n" );
	//#if ENC_DEC_TRACE
	//  g_bJustDoIt = g_bEncDecTraceDisable;
	//#endif

	uiTilesAcross := rpcPic.GetPicSym().GetNumColumnsMinus1() + 1
	pcSlice := rpcPic.GetSlice(rpcPic.GetCurrSliceIdx())
	iNumSubstreams := pcSlice.GetPPS().GetNumSubstreams()

	// delete decoders if already allocated in previous slice
	/*if (m_pcBufferSbacDecoders)
	  {
	    delete [] m_pcBufferSbacDecoders;
	  }
	  if (m_pcBufferBinCABACs)
	  {
	    delete [] m_pcBufferBinCABACs;
	  }*/
	// allocate new decoders based on tile numbaer
	this.m_pcBufferSbacDecoders = make([]*TDecSbac, uiTilesAcross)
	this.m_pcBufferBinCABACs = make([]*TDecBinCabac, uiTilesAcross)
	for ui := 0; ui < uiTilesAcross; ui++ {
		this.m_pcBufferBinCABACs[ui] = NewTDecBinCabac()
		this.m_pcBufferSbacDecoders[ui] = NewTDecSbac()
		this.m_pcBufferSbacDecoders[ui].Init(this.m_pcBufferBinCABACs[ui])
	}
	//save init. state
	for ui := 0; ui < uiTilesAcross; ui++ {
		this.m_pcBufferSbacDecoders[ui].Load(pcSbacDecoder)
	}

	// free memory if already allocated in previous call
	/*if (this.m_pcBufferLowLatSbacDecoders)
	  {
	    delete [] this.m_pcBufferLowLatSbacDecoders;
	  }
	  if (this.m_pcBufferLowLatBinCABACs)
	  {
	    delete [] this.m_pcBufferLowLatBinCABACs;
	  }*/
	this.m_pcBufferLowLatSbacDecoders = make([]*TDecSbac, uiTilesAcross)
	this.m_pcBufferLowLatBinCABACs = make([]*TDecBinCabac, uiTilesAcross)
	for ui := 0; ui < uiTilesAcross; ui++ {
		this.m_pcBufferLowLatBinCABACs[ui] = NewTDecBinCabac()
		this.m_pcBufferLowLatSbacDecoders[ui] = NewTDecSbac()
		this.m_pcBufferLowLatSbacDecoders[ui].Init(this.m_pcBufferLowLatBinCABACs[ui])
	}
	//save init. state
	for ui := 0; ui < uiTilesAcross; ui++ {
		this.m_pcBufferLowLatSbacDecoders[ui].Load(pcSbacDecoder)
	}

	uiWidthInLCUs := rpcPic.GetPicSym().GetFrameWidthInCU()
	//UInt uiHeightInLCUs = rpcPic.GetPicSym().GetFrameHeightInCU();
	uiCol := uint(0)
	uiLin := uint(0)
	uiSubStrm := uint(0)

	var uiTileCol, uiTileStartLCU, uiTileLCUX uint
	iNumSubstreamsPerTile := 1 // if independent.
	depSliceSegmentsEnabled := rpcPic.GetSlice(rpcPic.GetCurrSliceIdx()).GetPPS().GetDependentSliceSegmentsEnabledFlag()
	uiTileStartLCU = rpcPic.GetPicSym().GetTComTile(rpcPic.GetPicSym().GetTileIdxMap(iStartCUAddr)).GetFirstCUAddr()
	if depSliceSegmentsEnabled {
		if (!rpcPic.GetSlice(rpcPic.GetCurrSliceIdx()).IsNextSlice()) && iStartCUAddr != int(rpcPic.GetPicSym().GetTComTile(rpcPic.GetPicSym().GetTileIdxMap(iStartCUAddr)).GetFirstCUAddr()) {
			if pcSlice.GetPPS().GetEntropyCodingSyncEnabledFlag() {
				uiTileCol = rpcPic.GetPicSym().GetTileIdxMap(iStartCUAddr) % uint(rpcPic.GetPicSym().GetNumColumnsMinus1()+1)
				this.m_pcBufferSbacDecoders[uiTileCol].LoadContexts(this.CTXMem[1]) //2.LCU
				if (uint(iStartCUAddr)%uiWidthInLCUs + 1) >= uiWidthInLCUs {
					uiTileLCUX = uiTileStartLCU % uiWidthInLCUs
					uiCol = uint(iStartCUAddr) % uiWidthInLCUs
					if uiCol == uiTileLCUX {
						this.CTXMem[0].LoadContexts(pcSbacDecoder)
					}
				}
			}
			pcSbacDecoder.LoadContexts(this.CTXMem[0]) //end of depSlice-1
			pcSbacDecoders[uiSubStrm].LoadContexts(pcSbacDecoder)
		} else {
			if pcSlice.GetPPS().GetEntropyCodingSyncEnabledFlag() {
				this.CTXMem[1].LoadContexts(pcSbacDecoder)
			}
			this.CTXMem[0].LoadContexts(pcSbacDecoder)
		}
	}

	for iCUAddr := iStartCUAddr; uiIsLast == 0 && iCUAddr < int(rpcPic.GetNumCUsInFrame()); iCUAddr = int(rpcPic.GetPicSym().XCalculateNxtCUAddr(uint(iCUAddr))) {
		pcCU := rpcPic.GetCU(uint(iCUAddr))
		pcCU.InitCU(rpcPic, uint(iCUAddr))

		fmt.Printf("%d ", iCUAddr)

		//#ifdef ENC_DEC_TRACE
		pcSbacDecoder.XTraceLCUHeader(TLibCommon.TRACE_LCU)
		pcSbacDecoder.XReadAeTr(iCUAddr, "lcu_address", TLibCommon.TRACE_LCU)
		pcSbacDecoder.XReadAeTr(int(rpcPic.GetPicSym().GetTileIdxMap(iCUAddr)), "tile_id", TLibCommon.TRACE_LCU)
		//#endif

		uiTileCol = rpcPic.GetPicSym().GetTileIdxMap(int(iCUAddr)) % uint(rpcPic.GetPicSym().GetNumColumnsMinus1()+1) // what column of tiles are we in?
		uiTileStartLCU = rpcPic.GetPicSym().GetTComTile(rpcPic.GetPicSym().GetTileIdxMap(int(iCUAddr))).GetFirstCUAddr()
		uiTileLCUX = uiTileStartLCU % uiWidthInLCUs
		uiCol = uint(iCUAddr) % uiWidthInLCUs
		// The 'line' is now relative to the 1st line in the slice, not the 1st line in the picture.
		uiLin = (uint(iCUAddr) / uiWidthInLCUs) - (uint(iStartCUAddr) / uiWidthInLCUs)
		// inherit from TR if necessary, select substream to use.

		if (pcSlice.GetPPS().GetNumSubstreams() > 1) || (depSliceSegmentsEnabled && (uiCol == uiTileLCUX) && (pcSlice.GetPPS().GetEntropyCodingSyncEnabledFlag())) {
			// independent tiles => substreams are "per tile".  iNumSubstreams has already been multiplied.
			iNumSubstreamsPerTile = iNumSubstreams / rpcPic.GetPicSym().GetNumTiles()
			uiSubStrm = rpcPic.GetPicSym().GetTileIdxMap(iCUAddr)*uint(iNumSubstreamsPerTile) + uiLin%uint(iNumSubstreamsPerTile)
			this.m_pcEntropyDecoder.SetBitstream(ppcSubstreams[uiSubStrm])
			// Synchronize cabac probabilities with upper-right LCU if it's available and we're at the start of a line.

			if ((pcSlice.GetPPS().GetNumSubstreams() > 1) || depSliceSegmentsEnabled) && (uiCol == uiTileLCUX) && (pcSlice.GetPPS().GetEntropyCodingSyncEnabledFlag()) {
				// We'll sync if the TR is available.
				pcCUUp := pcCU.GetCUAbove()
				uiWidthInCU := rpcPic.GetFrameWidthInCU()
				var pcCUTR *TLibCommon.TComDataCU
				if pcCUUp != nil && ((uint(iCUAddr)%uiWidthInCU + 1) < uiWidthInCU) {
					pcCUTR = rpcPic.GetCU(uint(iCUAddr) - uiWidthInCU + 1)
				}
				uiMaxParts := uint(1 << (pcSlice.GetSPS().GetMaxCUDepth() << 1))

				if true && //bEnforceSliceRestriction
					((pcCUTR == nil) || (pcCUTR.GetSlice() == nil) ||
						((pcCUTR.GetSCUAddr() + uiMaxParts - 1) < pcSlice.GetSliceCurStartCUAddr()) ||
						(rpcPic.GetPicSym().GetTileIdxMap(int(pcCUTR.GetAddr())) != rpcPic.GetPicSym().GetTileIdxMap(iCUAddr))) {

					// TR not available.
				} else {
					// TR is available, we use it.
					pcSbacDecoders[uiSubStrm].LoadContexts(this.m_pcBufferSbacDecoders[uiTileCol])
				}
			}
			pcSbacDecoder.Load(pcSbacDecoders[uiSubStrm]) //this load is used to simplify the code (avoid to change all the call to pcSbacDecoders)
		} else if pcSlice.GetPPS().GetNumSubstreams() <= 1 {
			// Set variables to appropriate values to avoid later code change.
			iNumSubstreamsPerTile = 1
		}

		if (uint(iCUAddr) == rpcPic.GetPicSym().GetTComTile(rpcPic.GetPicSym().GetTileIdxMap(iCUAddr)).GetFirstCUAddr()) && // 1st in tile.
			(iCUAddr != 0) && (uint(iCUAddr) != rpcPic.GetPicSym().GetPicSCUAddr(rpcPic.GetSlice(rpcPic.GetCurrSliceIdx()).GetSliceCurStartCUAddr())/rpcPic.GetNumPartInCU()) &&
			(uint(iCUAddr) != rpcPic.GetPicSym().GetPicSCUAddr(rpcPic.GetSlice(rpcPic.GetCurrSliceIdx()).GetSliceSegmentCurStartCUAddr())/rpcPic.GetNumPartInCU()) {
			// !1st in frame && !1st in slice
			if pcSlice.GetPPS().GetNumSubstreams() > 1 {
				// We're crossing into another tile, tiles are independent.
				// When tiles are independent, we have "substreams per tile".  Each substream has already been terminated, and we no longer
				// have to perform it here.
				// For TILES_DECODER, there can be a header at the start of the 1st substream in a tile.  These are read when the substreams
				// are extracted, not here.
			} else {
				sliceType := pcSlice.GetSliceType()
				if pcSlice.GetCabacInitFlag() {
					switch sliceType {
					case TLibCommon.P_SLICE: // change initialization table to B_SLICE intialization
						sliceType = TLibCommon.B_SLICE
						//break;
					case TLibCommon.B_SLICE: // change initialization table to P_SLICE intialization
						sliceType = TLibCommon.P_SLICE
						//break;
						//default     :           // should not occur
						//assert(0);
					}
				}
				this.m_pcEntropyDecoder.UpdateContextTables(sliceType, pcSlice.GetSliceQp())
			}
		}

		//#if ENC_DEC_TRACE
		//    g_bJustDoIt = g_bEncDecTraceEnable;
		//#endif
		if pcSlice.GetSPS().GetUseSAO() && (pcSlice.GetSaoEnabledFlag() || pcSlice.GetSaoEnabledFlagChroma()) {
			saoParam := rpcPic.GetPicSym().GetSaoParam()
			saoParam.SaoFlag[0] = pcSlice.GetSaoEnabledFlag()
			if iCUAddr == iStartCUAddr {
				saoParam.SaoFlag[1] = pcSlice.GetSaoEnabledFlagChroma()
			}
			numCuInWidth := saoParam.NumCuInWidth
			cuAddrInSlice := iCUAddr - int(rpcPic.GetPicSym().GetCUOrderMap(int(pcSlice.GetSliceCurStartCUAddr()/rpcPic.GetNumPartInCU())))
			cuAddrUpInSlice := cuAddrInSlice - numCuInWidth
			rx := iCUAddr % numCuInWidth
			ry := iCUAddr / numCuInWidth
			allowMergeLeft := true
			allowMergeUp := true
			if rx != 0 {
				if rpcPic.GetPicSym().GetTileIdxMap(iCUAddr-1) != rpcPic.GetPicSym().GetTileIdxMap(iCUAddr) {
					allowMergeLeft = false
				}
			}
			if ry != 0 {
				if rpcPic.GetPicSym().GetTileIdxMap(iCUAddr-numCuInWidth) != rpcPic.GetPicSym().GetTileIdxMap(iCUAddr) {
					allowMergeUp = false
				}
			}
			pcSbacDecoder.ParseSaoOneLcuInterleaving(rx, ry, saoParam, pcCU, cuAddrInSlice, cuAddrUpInSlice, allowMergeLeft, allowMergeUp)
		} else if pcSlice.GetSPS().GetUseSAO() {
			addr := pcCU.GetAddr()
			saoParam := rpcPic.GetPicSym().GetSaoParam()
			for cIdx := 0; cIdx < 3; cIdx++ {
				saoLcuParam := &(saoParam.SaoLcuParam[cIdx][addr])
				if ((cIdx == 0) && !pcSlice.GetSaoEnabledFlag()) || ((cIdx == 1 || cIdx == 2) && !pcSlice.GetSaoEnabledFlagChroma()) {
					saoLcuParam.MergeUpFlag = false
					saoLcuParam.MergeLeftFlag = false
					saoLcuParam.SubTypeIdx = 0
					saoLcuParam.TypeIdx = -1
					saoLcuParam.Offset[0] = 0
					saoLcuParam.Offset[1] = 0
					saoLcuParam.Offset[2] = 0
					saoLcuParam.Offset[3] = 0
				}
			}
		}
		this.m_pcCuDecoder.DecodeCU(pcCU, &uiIsLast)
		this.m_pcCuDecoder.DecompressCU(pcCU)

		//#if ENC_DEC_TRACE
		//    g_bJustDoIt = g_bEncDecTraceDisable;
		//#endif
		pcSbacDecoders[uiSubStrm].Load(pcSbacDecoder)

		//Store probabilities of second LCU in line into buffer
		if (uiCol == uiTileLCUX+1) && (depSliceSegmentsEnabled || (pcSlice.GetPPS().GetNumSubstreams() > 1)) && (pcSlice.GetPPS().GetEntropyCodingSyncEnabledFlag()) {
			this.m_pcBufferSbacDecoders[uiTileCol].LoadContexts(pcSbacDecoders[uiSubStrm])
		}

		if uiIsLast != 0 && depSliceSegmentsEnabled {
			if pcSlice.GetPPS().GetEntropyCodingSyncEnabledFlag() {
				this.CTXMem[1].LoadContexts(this.m_pcBufferSbacDecoders[uiTileCol]) //ctx 2.LCU
			}
			this.CTXMem[0].LoadContexts(pcSbacDecoder) //ctx end of dep.slice
			return
		}
	}

	return
}
Esempio n. 21
0
//private:
func (this *TDecEntropy) xDecodeTransform(pcCU *TLibCommon.TComDataCU, offsetLuma, offsetChroma, uiAbsPartIdx, uiDepth, width, height, uiTrIdx uint, bCodeDQP *bool) {
	var uiSubdiv uint
	uiLog2TrafoSize := uint(TLibCommon.G_aucConvertToBit[pcCU.GetSlice().GetSPS().GetMaxCUWidth()]) + 2 - uiDepth

	if uiTrIdx == 0 {
		this.m_bakAbsPartIdxCU = uiAbsPartIdx
	}
	if uiLog2TrafoSize == 2 {
		partNum := pcCU.GetPic().GetNumPartInCU() >> ((uiDepth - 1) << 1)
		if (uiAbsPartIdx % partNum) == 0 {
			this.m_uiBakAbsPartIdx = uiAbsPartIdx
			this.m_uiBakChromaOffset = offsetChroma
		}
	}
	if pcCU.GetPredictionMode1(uiAbsPartIdx) == TLibCommon.MODE_INTRA && pcCU.GetPartitionSize1(uiAbsPartIdx) == TLibCommon.SIZE_NxN && uiDepth == uint(pcCU.GetDepth1(uiAbsPartIdx)) {
		uiSubdiv = 1
	} else if (pcCU.GetSlice().GetSPS().GetQuadtreeTUMaxDepthInter() == 1) && (pcCU.GetPredictionMode1(uiAbsPartIdx) == TLibCommon.MODE_INTER) && (pcCU.GetPartitionSize1(uiAbsPartIdx) != TLibCommon.SIZE_2Nx2N) && (uiDepth == uint(pcCU.GetDepth1(uiAbsPartIdx))) {
		uiSubdiv = uint(TLibCommon.B2U(uiLog2TrafoSize > pcCU.GetQuadtreeTULog2MinSizeInCU(uiAbsPartIdx)))
	} else if uiLog2TrafoSize > pcCU.GetSlice().GetSPS().GetQuadtreeTULog2MaxSize() {
		uiSubdiv = 1
	} else if uiLog2TrafoSize == pcCU.GetSlice().GetSPS().GetQuadtreeTULog2MinSize() {
		uiSubdiv = 0
	} else if uiLog2TrafoSize == pcCU.GetQuadtreeTULog2MinSizeInCU(uiAbsPartIdx) {
		uiSubdiv = 0
	} else {
		//assert( uiLog2TrafoSize > pcCU.GetQuadtreeTULog2MinSizeInCU(uiAbsPartIdx) );
		this.m_pcEntropyDecoderIf.ParseTransformSubdivFlag(&uiSubdiv, 5-uiLog2TrafoSize)
	}

	uiTrDepth := uiDepth - uint(pcCU.GetDepth1(uiAbsPartIdx))
	{
		bFirstCbfOfCU := uiTrDepth == 0
		if bFirstCbfOfCU {
			pcCU.SetCbfSubParts4(0, TLibCommon.TEXT_CHROMA_U, uiAbsPartIdx, uiDepth)
			pcCU.SetCbfSubParts4(0, TLibCommon.TEXT_CHROMA_V, uiAbsPartIdx, uiDepth)
		}
		if bFirstCbfOfCU || uiLog2TrafoSize > 2 {
			if bFirstCbfOfCU || pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_CHROMA_U, uiTrDepth-1) != 0 {
				this.m_pcEntropyDecoderIf.ParseQtCbf(pcCU, uiAbsPartIdx, TLibCommon.TEXT_CHROMA_U, uiTrDepth, uiDepth)
			}
			if bFirstCbfOfCU || pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_CHROMA_V, uiTrDepth-1) != 0 {
				this.m_pcEntropyDecoderIf.ParseQtCbf(pcCU, uiAbsPartIdx, TLibCommon.TEXT_CHROMA_V, uiTrDepth, uiDepth)
			}
		} else {
			pcCU.SetCbfSubParts4(byte(pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_CHROMA_U, uiTrDepth-1)<<uiTrDepth), TLibCommon.TEXT_CHROMA_U, uiAbsPartIdx, uiDepth)
			pcCU.SetCbfSubParts4(byte(pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_CHROMA_V, uiTrDepth-1)<<uiTrDepth), TLibCommon.TEXT_CHROMA_V, uiAbsPartIdx, uiDepth)
		}
	}

	if uiSubdiv != 0 {
		var size uint
		width >>= 1
		height >>= 1
		size = width * height
		uiTrIdx++
		uiDepth++
		uiQPartNum := pcCU.GetPic().GetNumPartInCU() >> (uiDepth << 1)
		uiStartAbsPartIdx := uiAbsPartIdx
		uiYCbf := uint(0)
		uiUCbf := uint(0)
		uiVCbf := uint(0)

		for i := uint(0); i < 4; i++ {
			this.xDecodeTransform(pcCU, offsetLuma, offsetChroma, uiAbsPartIdx, uiDepth, width, height, uiTrIdx, bCodeDQP)
			uiYCbf |= uint(pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_LUMA, uiTrDepth+1))
			uiUCbf |= uint(pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_CHROMA_U, uiTrDepth+1))
			uiVCbf |= uint(pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_CHROMA_V, uiTrDepth+1))
			uiAbsPartIdx += uiQPartNum
			offsetLuma += size
			offsetChroma += (size >> 2)
		}

		for ui := uint(0); ui < 4*uiQPartNum; ui++ {
			pcCU.GetCbf1(TLibCommon.TEXT_LUMA)[uiStartAbsPartIdx+ui] |= byte(uiYCbf << uiTrDepth)
			pcCU.GetCbf1(TLibCommon.TEXT_CHROMA_U)[uiStartAbsPartIdx+ui] |= byte(uiUCbf << uiTrDepth)
			pcCU.GetCbf1(TLibCommon.TEXT_CHROMA_V)[uiStartAbsPartIdx+ui] |= byte(uiVCbf << uiTrDepth)
		}
	} else {
		//assert( uiDepth >= pcCU.GetDepth( uiAbsPartIdx ) );
		pcCU.SetTrIdxSubParts(uiTrDepth, uiAbsPartIdx, uiDepth)

		{
			//DTRACE_CABAC_VL( TLibCommon.G_nSymbolCounter++ );
			/*this.m_pcEntropyDecoderIf.DTRACE_CABAC_T("\tTrIdx: abspart=")
			  this.m_pcEntropyDecoderIf.DTRACE_CABAC_V(uiAbsPartIdx)
			  this.m_pcEntropyDecoderIf.DTRACE_CABAC_T("\tdepth=")
			  this.m_pcEntropyDecoderIf.DTRACE_CABAC_V(uiDepth)
			  this.m_pcEntropyDecoderIf.DTRACE_CABAC_T("\ttrdepth=")
			  this.m_pcEntropyDecoderIf.DTRACE_CABAC_V(uiTrDepth)
			  this.m_pcEntropyDecoderIf.DTRACE_CABAC_T("\n")*/
		}

		pcCU.SetCbfSubParts4(0, TLibCommon.TEXT_LUMA, uiAbsPartIdx, uiDepth)
		if pcCU.GetPredictionMode1(uiAbsPartIdx) != TLibCommon.MODE_INTRA && uiDepth == uint(pcCU.GetDepth1(uiAbsPartIdx)) && pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_CHROMA_U, 0) == 0 && pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_CHROMA_V, 0) == 0 {
			pcCU.SetCbfSubParts4(1<<uiTrDepth, TLibCommon.TEXT_LUMA, uiAbsPartIdx, uiDepth)
		} else {
			this.m_pcEntropyDecoderIf.ParseQtCbf(pcCU, uiAbsPartIdx, TLibCommon.TEXT_LUMA, uiTrDepth, uiDepth)
		}

		// transforthis.m_unit begin
		cbfY := pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_LUMA, uiTrIdx)
		cbfU := pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_CHROMA_U, uiTrIdx)
		cbfV := pcCU.GetCbf3(uiAbsPartIdx, TLibCommon.TEXT_CHROMA_V, uiTrIdx)
		if uiLog2TrafoSize == 2 {
			partNum := pcCU.GetPic().GetNumPartInCU() >> ((uiDepth - 1) << 1)
			if (uiAbsPartIdx % partNum) == (partNum - 1) {
				cbfU = pcCU.GetCbf3(this.m_uiBakAbsPartIdx, TLibCommon.TEXT_CHROMA_U, uiTrIdx)
				cbfV = pcCU.GetCbf3(this.m_uiBakAbsPartIdx, TLibCommon.TEXT_CHROMA_V, uiTrIdx)
			}
		}
		if cbfY != 0 || cbfU != 0 || cbfV != 0 {
			// dQP: only for LCU
			if pcCU.GetSlice().GetPPS().GetUseDQP() {
				if *bCodeDQP {
					this.DecodeQP(pcCU, this.m_bakAbsPartIdxCU)
					*bCodeDQP = false
				}
			}
		}
		if cbfY != 0 {
			trWidth := width
			trHeight := height
			this.m_pcEntropyDecoderIf.ParseCoeffNxN(pcCU, pcCU.GetCoeffY()[offsetLuma:], uiAbsPartIdx, trWidth, trHeight, uiDepth, TLibCommon.TEXT_LUMA)
		}
		if uiLog2TrafoSize > 2 {
			trWidth := width >> 1
			trHeight := height >> 1
			if cbfU != 0 {
				this.m_pcEntropyDecoderIf.ParseCoeffNxN(pcCU, pcCU.GetCoeffCb()[offsetChroma:], uiAbsPartIdx, trWidth, trHeight, uiDepth, TLibCommon.TEXT_CHROMA_U)
			}
			if cbfV != 0 {
				this.m_pcEntropyDecoderIf.ParseCoeffNxN(pcCU, pcCU.GetCoeffCr()[offsetChroma:], uiAbsPartIdx, trWidth, trHeight, uiDepth, TLibCommon.TEXT_CHROMA_V)
			}
		} else {
			partNum := pcCU.GetPic().GetNumPartInCU() >> ((uiDepth - 1) << 1)
			if (uiAbsPartIdx % partNum) == (partNum - 1) {
				trWidth := width
				trHeight := height
				if cbfU != 0 {
					this.m_pcEntropyDecoderIf.ParseCoeffNxN(pcCU, pcCU.GetCoeffCb()[this.m_uiBakChromaOffset:], this.m_uiBakAbsPartIdx, trWidth, trHeight, uiDepth, TLibCommon.TEXT_CHROMA_U)
				}
				if cbfV != 0 {
					this.m_pcEntropyDecoderIf.ParseCoeffNxN(pcCU, pcCU.GetCoeffCr()[this.m_uiBakChromaOffset:], this.m_uiBakAbsPartIdx, trWidth, trHeight, uiDepth, TLibCommon.TEXT_CHROMA_V)
				}
			}
		}
		// transform_unit end
	}
}
Esempio n. 22
0
func (this *TDecEntropy) DecodePUWise(pcCU *TLibCommon.TComDataCU, uiAbsPartIdx, uiDepth uint, pcSubCU *TLibCommon.TComDataCU) {
	ePartSize := pcCU.GetPartitionSize1(uiAbsPartIdx)
	var uiNumPU uint
	if ePartSize == TLibCommon.SIZE_2Nx2N {
		uiNumPU = 1
	} else if ePartSize == TLibCommon.SIZE_NxN {
		uiNumPU = 4
	} else {
		uiNumPU = 2
	}

	uiPUOffset := (TLibCommon.G_auiPUOffset[uint(ePartSize)] << ((pcCU.GetSlice().GetSPS().GetMaxCUDepth() - uiDepth) << 1)) >> 4

	var cMvFieldNeighbours [TLibCommon.MRG_MAX_NUM_CANDS << 1]TLibCommon.TComMvField // double length for mv of both lists
	var uhInterDirNeighbours [TLibCommon.MRG_MAX_NUM_CANDS]byte

	for ui := uint(0); ui < pcCU.GetSlice().GetMaxNumMergeCand(); ui++ {
		uhInterDirNeighbours[ui] = 0
	}
	numValidMergeCand := 0
	isMerged := false

	pcSubCU.CopyInterPredInfoFrom(pcCU, uiAbsPartIdx, TLibCommon.REF_PIC_LIST_0)
	pcSubCU.CopyInterPredInfoFrom(pcCU, uiAbsPartIdx, TLibCommon.REF_PIC_LIST_1)
	uiSubPartIdx := uiAbsPartIdx
	for uiPartIdx := uint(0); uiPartIdx < uiNumPU; uiPartIdx++ {
		this.DecodeMergeFlag(pcCU, uiSubPartIdx, uiDepth, uiPartIdx)
		if pcCU.GetMergeFlag1(uiSubPartIdx) {
			this.DecodeMergeIndex(pcCU, uiPartIdx, uiSubPartIdx, uiDepth)
			uiMergeIndex := pcCU.GetMergeIndex1(uiSubPartIdx)
			if pcCU.GetSlice().GetPPS().GetLog2ParallelMergeLevelMinus2() != 0 && ePartSize != TLibCommon.SIZE_2Nx2N && pcSubCU.GetWidth1(0) <= 8 {
				pcSubCU.SetPartSizeSubParts(TLibCommon.SIZE_2Nx2N, 0, uiDepth)
				if !isMerged {
					pcSubCU.GetInterMergeCandidates(0, 0, cMvFieldNeighbours[:], uhInterDirNeighbours[:], &numValidMergeCand, -1)
					isMerged = true
				}
				pcSubCU.SetPartSizeSubParts(ePartSize, 0, uiDepth)
			} else {
				uiMergeIndex = pcCU.GetMergeIndex1(uiSubPartIdx)
				pcSubCU.GetInterMergeCandidates(uiSubPartIdx-uiAbsPartIdx, uiPartIdx, cMvFieldNeighbours[:], uhInterDirNeighbours[:], &numValidMergeCand, int(uiMergeIndex))
			}
			pcCU.SetInterDirSubParts(uint(uhInterDirNeighbours[uiMergeIndex]), uiSubPartIdx, uiPartIdx, uiDepth)

			cTmpMv := TLibCommon.NewTComMv(0, 0)
			for uiRefListIdx := 0; uiRefListIdx < 2; uiRefListIdx++ {
				if pcCU.GetSlice().GetNumRefIdx(TLibCommon.RefPicList(uiRefListIdx)) > 0 {
					pcCU.SetMVPIdxSubParts(0, TLibCommon.RefPicList(uiRefListIdx), uiSubPartIdx, uiPartIdx, uiDepth)
					pcCU.SetMVPNumSubParts(0, TLibCommon.RefPicList(uiRefListIdx), uiSubPartIdx, uiPartIdx, uiDepth)
					pcCU.GetCUMvField(TLibCommon.RefPicList(uiRefListIdx)).SetAllMvd(*cTmpMv, ePartSize, int(uiSubPartIdx), uiDepth, int(uiPartIdx))
					pcCU.GetCUMvField(TLibCommon.RefPicList(uiRefListIdx)).SetAllMvField(&cMvFieldNeighbours[2*int(uiMergeIndex)+uiRefListIdx], ePartSize, int(uiSubPartIdx), uiDepth, int(uiPartIdx))
				}
			}
		} else {
			this.DecodeInterDirPU(pcCU, uiSubPartIdx, uiDepth, uiPartIdx)
			for uiRefListIdx := 0; uiRefListIdx < 2; uiRefListIdx++ {
				if pcCU.GetSlice().GetNumRefIdx(TLibCommon.RefPicList(uiRefListIdx)) > 0 {
					//fmt.Printf("%d \n",uiRefListIdx);
					this.DecodeRefFrmIdxPU(pcCU, uiSubPartIdx, uiDepth, uiPartIdx, TLibCommon.RefPicList(uiRefListIdx))
					this.DecodeMvdPU(pcCU, uiSubPartIdx, uiDepth, uiPartIdx, TLibCommon.RefPicList(uiRefListIdx))
					this.DecodeMVPIdxPU(pcSubCU, uiSubPartIdx-uiAbsPartIdx, uiDepth, uiPartIdx, TLibCommon.RefPicList(uiRefListIdx))
				}
			}
		}
		if (pcCU.GetInterDir1(uiSubPartIdx) == 3) && pcSubCU.IsBipredRestriction(uiPartIdx) {
			pcCU.GetCUMvField(TLibCommon.REF_PIC_LIST_1).SetAllMv(*TLibCommon.NewTComMv(0, 0), ePartSize, int(uiSubPartIdx), uiDepth, int(uiPartIdx))
			pcCU.GetCUMvField(TLibCommon.REF_PIC_LIST_1).SetAllRefIdx(-1, ePartSize, int(uiSubPartIdx), uiDepth, int(uiPartIdx))
			pcCU.SetInterDirSubParts(1, uiSubPartIdx, uiPartIdx, uiDepth)
		}

		uiSubPartIdx += uiPUOffset
	}
	return
}