e marking process Intra prediction process 8.3.1 Intra 4x4 prediction process for luma samples 8.3.1.1 Derivation process for Intra4x4PredMod 8.3.1.2 Intra 4x4 sample prediction 8.3.2 Intra 8x8 prediction process for luma samples 8.3.2.1 Derivation process for Intra8x8PredMode 8.3.2.2 Intra_8x8 sample prediction 8.3.3 Intra 16x16 prediction process for luma samples 8.3.3.1 Specification of Intra_16x16_Vertical prediction mode 8.3.3.2 Specification of Intra 16x16 Horizontal prediction mode 8.3.3.3 Specification of Intra 16x16 DC prediction mode 8.3.3.4 Specification of Intra_16x16_Plane prediction mode 8.3.4 Intra prediction process for chroma samples 8.3.4.1 Specification of Intra_Chroma_DCprediction mode 8.3.4.2 Specification of IntraChroma Horizontal: prediction mode 8.3.4.3 Specification of Intra Chroma Vertical prediction mode 8.3.4.4 Specification of Intra_Chroma_Plane prediction mode 8.3.4.5 Intra prediction for chroma samples with ChromaArrayType equal to 3 8.3.5 Sample construction process for PCM macroblocks Inter prediction process 8.4.1 Derivation process for motion vector components and reference indices 8.4.1.1 Derivation process for luma motion vectors for skipped macroblocks in P and SP slices 8.4.1.2 Derivation process for luma motion vectors for B_Skip, B Direct_16x16 and B Direct 8x8 8.4.1.3 Derivation process for luma motion vector prediction 8.4.1.4 Derivation process for chroma motion vectors 8.4.2 Decoding process for Inter prediction samples 8.4.2.1 Reference picture selection process 8.4.2.2 Fractional sample interpolation process 8.4.2.3 Weighted sample prediction process 8.4.3 Derivation process for prediction weights Transform coefficient decoding process and picture construction process prior to deblocking filter process 173 8.5.1 Specification of transform decoding process for 4x4 luma residual blocks 8.5.2 Specification of transform decoding process for luma samples of Intra 16x16 macroblock prediction 8.5.3 Specification of transform decoding process for 8x8 luma residual blocks 8.5