public void Read(BitReader bitReader)
{
_bitReader = bitReader;
MBType = _mbTypeParser.GetMacroBlockType(_bitReader);
if (MBType > 48)
{
throw new Exception("MacroBlockLayer: bad macro block type");
}
I_MacroBlockType mbt = (I_MacroBlockType)MBType;
if (mbt == I_MacroBlockType.I_PCM)
{
while (!bitReader.ByteAligned)
{
if (bitReader.GetNextBit())
{
throw new Exception("MacroBlockLayer: bad alignment");
}
}
bitReader.Position += (long)(256 * ChromaFormatFactor); // skip data (don't need it)
}
else
{
byte mbtype = (byte)MBType;
if ((MbPartPredMode(mbtype, 0) != MacroBlockPartitionMode.Intra_4x4) &&
(MbPartPredMode(mbtype, 0) != MacroBlockPartitionMode.Intra_16x16) &&
(NumMbPart(mbtype) == 4))
{
SubMacroBlockPrediction smbp = new SubMacroBlockPrediction(mbtype);
}
else
{
MacroBlockPrediction mbpred = new MacroBlockPrediction(mbtype, this);
mbpred.Read(bitReader);
}
if (MbPartPredMode(mbtype, 0) != MacroBlockPartitionMode.Intra_16x16)
{
CodedBlockPattern = _cbp.GetCodedBlockPattern(bitReader);
}
if ((CodedBlockPatternLuma > 0) || (CodedBlockPatternChroma > 0) ||
(MbPartPredMode(mbtype, 0) == MacroBlockPartitionMode.Intra_16x16))
{
MBQPDelta = _mbQPD.GetMBQPDelta(bitReader);
ResidualData residual = new ResidualData(_pps.EntropyCodingModeFlag);
residual.Read(bitReader);
}
}
}
public void Read(BitReader bitReader)
{
_bitReader = bitReader;
MBType = _mbTypeParser.GetMacroBlockType(_bitReader);
if (MBType > 48)
throw new Exception("MacroBlockLayer: bad macro block type");
I_MacroBlockType mbt = (I_MacroBlockType)MBType;
if (mbt == I_MacroBlockType.I_PCM)
{
while (!bitReader.ByteAligned)
{
if (bitReader.GetNextBit())
throw new Exception("MacroBlockLayer: bad alignment");
}
bitReader.Position += (long)(256 * ChromaFormatFactor); // skip data (don't need it)
}
else
{
byte mbtype = (byte)MBType;
if ((MbPartPredMode(mbtype, 0) != MacroBlockPartitionMode.Intra_4x4) &&
(MbPartPredMode(mbtype, 0) != MacroBlockPartitionMode.Intra_16x16) &&
(NumMbPart(mbtype) == 4))
{
SubMacroBlockPrediction smbp = new SubMacroBlockPrediction(mbtype);
}
else
{
MacroBlockPrediction mbpred = new MacroBlockPrediction(mbtype, this);
mbpred.Read(bitReader);
}
if (MbPartPredMode(mbtype, 0) != MacroBlockPartitionMode.Intra_16x16)
CodedBlockPattern = _cbp.GetCodedBlockPattern(bitReader);
if ((CodedBlockPatternLuma > 0) || (CodedBlockPatternChroma > 0) ||
(MbPartPredMode(mbtype, 0) == MacroBlockPartitionMode.Intra_16x16))
{
MBQPDelta = _mbQPD.GetMBQPDelta(bitReader);
ResidualData residual = new ResidualData(_pps.EntropyCodingModeFlag);
residual.Read(bitReader);
}
}
}