public CodedCoefficients(ISliceState sliceState, uint picHeightInMbs, SubBlockPartition subBlockPartition)
{
_sliceState = sliceState;
_subBlockPartition = subBlockPartition;
uint macroBlockCount = (picHeightInMbs * sliceState.PictureState.SequenceState.PicWidthInMbs);
int subBlockCount = _subBlockPartition.SubBlockCount;
_totalCoeffs = new byte[macroBlockCount, subBlockCount];
// Clear the total (non-zero) coeffs array
for (int i = 0; i < macroBlockCount; i++)
{
for (int j = 0; j < subBlockCount; j++)
{
_totalCoeffs[i, j] = TotalCoeffUnavailable;
}
}
}
public CavlcSliceData(INalUnitReader reader, IState readerState)
{
_reader = reader;
_readerState = readerState;
_sliceState = reader.State.SliceState;
_pictureState = _sliceState.PictureState;
_sequenceState = _pictureState.SequenceState;
_coeffTokenChromaDc = (ChromaFormat == ChromaFormat.YCbCr420) ? CoeffTokenChromaDc420 : CoeffTokenChromaDc422;
_lumaCodedCoefficients = new CodedCoefficients(_sliceState, PicHeightInMbs, SubBlockPartition.Luma);
_chromaCodedCoefficients = new CodedCoefficients[2];
_subMbTypes = new ISubMacroblockType[4];
SubBlockPartition chromaSubBlockPartition = ChromaArrayTypeSubBlockPartitions[_sequenceState.ChromaFormat.ChromaFormatIdc];
for (int i = 0; i < _chromaCodedCoefficients.Length; i++)
{
_chromaCodedCoefficients[i] = new CodedCoefficients(_sliceState, PicHeightInMbs, chromaSubBlockPartition);
}
MbToSliceGroupMap = _mbToSliceGroup.CreateMacroBlockToSliceGroupMap(_sliceState);
}
