public override void Read(BitReader bitReader)
{
base.Read(bitReader);
PrimaryPicType = (PictureType)bitReader.GetByteFromNBits(3);
bitReader.DiscardTrailingBits(); // complete the byte
while (MoreRBSPData(bitReader))
bitReader.ReadByte();
}
public override void Read(BitReader bitReader)
{
base.Read(bitReader);
PrimaryPicType = (PictureType)bitReader.GetByteFromNBits(3);
bitReader.DiscardTrailingBits(); // complete the byte
while (MoreRBSPData(bitReader))
{
bitReader.ReadByte();
}
}
public override void Read(BitReader bitReader)
{
base.Read(bitReader);
PICParamSetID = bitReader.DecodeUnsignedExpGolomb();
SEQParamSetID = bitReader.DecodeUnsignedExpGolomb();
EntropyCodingModeFlag = bitReader.GetNextBit();
PICOrderPresentFlag = bitReader.GetNextBit();
NumSliceGroupsMinus1 = bitReader.DecodeUnsignedExpGolomb();
if (NumSliceGroupsMinus1 > 0)
{
SliceGroupMapType = bitReader.DecodeUnsignedExpGolomb();
switch (SliceGroupMapType)
{
case 0:
RunLengthMinus1 = new uint[NumSliceGroupsMinus1 + 1];
for (int grp = 0; grp <= NumSliceGroupsMinus1; grp++)
{
RunLengthMinus1[grp] = bitReader.DecodeUnsignedExpGolomb();
}
break;
case 1:
break;
case 2:
TopLeft = new uint[NumSliceGroupsMinus1 + 1];
BottomRight = new uint[NumSliceGroupsMinus1 + 1];
for (int grp = 0; grp <= NumSliceGroupsMinus1; grp++) // standards doc, this reads grp < NumSliceGroupsMinus1
{
TopLeft[grp] = bitReader.DecodeUnsignedExpGolomb();
BottomRight[grp] = bitReader.DecodeUnsignedExpGolomb();
}
break;
case 3:
case 4:
case 5:
SliceGroupChangeDirectionFlag = bitReader.GetNextBit();
SliceGroupChangeRateMinus1 = bitReader.DecodeUnsignedExpGolomb();
break;
case 6:
PICSizeInMapUnitsMinus1 = bitReader.DecodeUnsignedExpGolomb();
SliceGroupID = new uint[PICSizeInMapUnitsMinus1 + 1];
ushort bitCount = BitReader.CalcBitsNeededToRepresent(NumSliceGroupsMinus1 + 1);
for (int grp = 0; grp <= PICSizeInMapUnitsMinus1; grp++)
{
SliceGroupID[grp] = bitReader.GetUIntFromNBits(bitCount);
}
break;
default:
throw new Exception("BitReader: bad slice group map type");
}
}
NumRefIDx10ActiveMinus1 = bitReader.DecodeUnsignedExpGolomb();
NumRefIDx11ActiveMinus1 = bitReader.DecodeUnsignedExpGolomb();
WeightedPredFlag = bitReader.GetNextBit();
WeightedBiPredIDC = (ushort)bitReader.GetUIntFromNBits(2);
PICInitQPMinus26 = bitReader.DecodeSignedExpGolomb();
PICInitQSMinus26 = bitReader.DecodeSignedExpGolomb();
ChromaQPIndexOffset = bitReader.DecodeSignedExpGolomb();
DeblockingFilterControlPresentFlag = bitReader.GetNextBit();
ConstrainedIntraPredFlag = bitReader.GetNextBit();
RedundantPICCountPresentFlag = bitReader.GetNextBit();
bitReader.DiscardTrailingBits();
}
public override void Read(BitReader bitReader)
{
base.Read(bitReader);
PICParamSetID = bitReader.DecodeUnsignedExpGolomb();
SEQParamSetID = bitReader.DecodeUnsignedExpGolomb();
EntropyCodingModeFlag = bitReader.GetNextBit();
PICOrderPresentFlag = bitReader.GetNextBit();
NumSliceGroupsMinus1 = bitReader.DecodeUnsignedExpGolomb();
if (NumSliceGroupsMinus1 > 0)
{
SliceGroupMapType = bitReader.DecodeUnsignedExpGolomb();
switch (SliceGroupMapType)
{
case 0:
RunLengthMinus1 = new uint[NumSliceGroupsMinus1 + 1];
for (int grp = 0; grp <= NumSliceGroupsMinus1; grp++)
{
RunLengthMinus1[grp] = bitReader.DecodeUnsignedExpGolomb();
}
break;
case 1:
break;
case 2:
TopLeft = new uint[NumSliceGroupsMinus1 + 1];
BottomRight = new uint[NumSliceGroupsMinus1 + 1];
for (int grp = 0; grp <= NumSliceGroupsMinus1; grp++) // standards doc, this reads grp < NumSliceGroupsMinus1
{
TopLeft[grp] = bitReader.DecodeUnsignedExpGolomb();
BottomRight[grp] = bitReader.DecodeUnsignedExpGolomb();
}
break;
case 3:
case 4:
case 5:
SliceGroupChangeDirectionFlag = bitReader.GetNextBit();
SliceGroupChangeRateMinus1 = bitReader.DecodeUnsignedExpGolomb();
break;
case 6:
PICSizeInMapUnitsMinus1 = bitReader.DecodeUnsignedExpGolomb();
SliceGroupID = new uint[PICSizeInMapUnitsMinus1 + 1];
ushort bitCount = BitReader.CalcBitsNeededToRepresent(NumSliceGroupsMinus1 + 1);
for (int grp = 0; grp <= PICSizeInMapUnitsMinus1; grp++)
{
SliceGroupID[grp] = bitReader.GetUIntFromNBits(bitCount);
}
break;
default:
throw new Exception("BitReader: bad slice group map type");
}
}
NumRefIDx10ActiveMinus1 = bitReader.DecodeUnsignedExpGolomb();
NumRefIDx11ActiveMinus1 = bitReader.DecodeUnsignedExpGolomb();
WeightedPredFlag = bitReader.GetNextBit();
WeightedBiPredIDC = (ushort)bitReader.GetUIntFromNBits(2);
PICInitQPMinus26 = bitReader.DecodeSignedExpGolomb();
PICInitQSMinus26 = bitReader.DecodeSignedExpGolomb();
ChromaQPIndexOffset = bitReader.DecodeSignedExpGolomb();
DeblockingFilterControlPresentFlag = bitReader.GetNextBit();
ConstrainedIntraPredFlag = bitReader.GetNextBit();
RedundantPICCountPresentFlag = bitReader.GetNextBit();
bitReader.DiscardTrailingBits();
}
