public void Read(BitReader bitReader)
{
if ((_mbLayer.MbPartPredMode(_mbType, 0) == MacroBlockPartitionMode.Intra_4x4) ||
(_mbLayer.MbPartPredMode(_mbType, 0) == MacroBlockPartitionMode.Intra_16x16))
{
if (_mbLayer.MbPartPredMode(_mbType, 0) == MacroBlockPartitionMode.Intra_4x4)
{
for (int luma4x4ids = 0; luma4x4ids < 16; luma4x4ids++)
{
PrevIntra4x4PredModeFlag[luma4x4ids] = bitReader.GetNextBit();
if (!PrevIntra4x4PredModeFlag[luma4x4ids])
{
RemIntra4x4PredMode[luma4x4ids] = bitReader.GetByteFromNBits(3);
}
}
}
IntraChromaPredMode = (byte)bitReader.DecodeUnsignedExpGolomb();
}
else if (_mbLayer.MbPartPredMode(_mbType, 0) != MacroBlockPartitionMode.Direct)
{
int numPart = (int)_mbLayer.NumMbPart(_mbType);
for (int mbPartIdx = 0; mbPartIdx < numPart; mbPartIdx++)
{
}
for (int mbPartIdx = 0; mbPartIdx < numPart; mbPartIdx++)
{
}
for (int mbPartIdx = 0; mbPartIdx < numPart; mbPartIdx++)
{
}
for (int mbPartIdx = 0; mbPartIdx < numPart; mbPartIdx++)
{
}
}
}
public void Read(BitReader bitReader)
{
if ((_mbLayer.MbPartPredMode(_mbType, 0) == MacroBlockPartitionMode.Intra_4x4) ||
(_mbLayer.MbPartPredMode(_mbType, 0) == MacroBlockPartitionMode.Intra_16x16))
{
if (_mbLayer.MbPartPredMode(_mbType, 0) == MacroBlockPartitionMode.Intra_4x4)
{
for (int luma4x4ids = 0; luma4x4ids < 16; luma4x4ids++)
{
PrevIntra4x4PredModeFlag[luma4x4ids] = bitReader.GetNextBit();
if (!PrevIntra4x4PredModeFlag[luma4x4ids])
{
RemIntra4x4PredMode[luma4x4ids] = bitReader.GetByteFromNBits(3);
}
}
}
IntraChromaPredMode = (byte)bitReader.DecodeUnsignedExpGolomb();
}
else if (_mbLayer.MbPartPredMode(_mbType, 0) != MacroBlockPartitionMode.Direct)
{
int numPart = (int)_mbLayer.NumMbPart(_mbType);
for (int mbPartIdx = 0; mbPartIdx < numPart; mbPartIdx++)
{
}
for (int mbPartIdx = 0; mbPartIdx < numPart; mbPartIdx++)
{
}
for (int mbPartIdx = 0; mbPartIdx < numPart; mbPartIdx++)
{
}
for (int mbPartIdx = 0; mbPartIdx < numPart; mbPartIdx++)
{
}
}
}
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 byte TimeOffsetLength; // 0 u(5)
//}
public void Read(BitReader bitReader)
{
CpbCount = bitReader.DecodeUnsignedExpGolomb() + 1;
BitRateScale = bitReader.GetByteFromNBits(4);
CpbSizeScale = bitReader.GetByteFromNBits(4);
BitRateValue = new uint[CpbCount];
CpbSizeValue = new uint[CpbCount];
Cbr = new bool[CpbCount];
for (int i = 0; i < CpbCount; i++)
{
BitRateValue[i] = bitReader.DecodeUnsignedExpGolomb() + 1;
CpbSizeValue[i] = bitReader.DecodeUnsignedExpGolomb() + 1;
Cbr[i] = bitReader.GetNextBit();
}
InitialCpbRemovalDelayLength = (byte)(bitReader.GetByteFromNBits(5) + 1);
CpbRemovalDelayLength = (byte)(bitReader.GetByteFromNBits(5) + 1);
DpbOutputDelayLength = (byte)(bitReader.GetByteFromNBits(5) + 1);
TimeOffsetLength = bitReader.GetByteFromNBits(5);
}
public void Read(BitReader bitReader)
{
AspectRatioInfoPresent = bitReader.GetNextBit();
if (AspectRatioInfoPresent)
{
AspectRatio = bitReader.GetByteFromNBits(8);
if (AspectRatio == Extended_SAR)
{
SARWidth = (ushort)bitReader.GetUIntFromNBits(16);
SARHeight = (ushort)bitReader.GetUIntFromNBits(16);
}
}
OverscanInfoPresent = bitReader.GetNextBit();
if (OverscanInfoPresent)
{
OverscanAppropriate = bitReader.GetNextBit();
}
VideoSignalTypePresent = bitReader.GetNextBit();
if (VideoSignalTypePresent)
{
VideoFormat = bitReader.GetByteFromNBits(3);
VideoFullRange = bitReader.GetNextBit();
ColourDescriptionPresent = bitReader.GetNextBit();
if (ColourDescriptionPresent)
{
ColourPrimaries = bitReader.GetByteFromNBits(8);
TransferCharacteristics = bitReader.GetByteFromNBits(8);
MatrixCoefficients = bitReader.GetByteFromNBits(8);
}
}
ChromaLocInfoPresent = bitReader.GetNextBit();
if (ChromaLocInfoPresent)
{
ChromaSampleLocTypeTopField = bitReader.DecodeUnsignedExpGolomb();
ChromaSampleLocTypeBottomField = bitReader.DecodeUnsignedExpGolomb();
}
TimingInfoPresent = bitReader.GetNextBit();
if (TimingInfoPresent)
{
NumUnitsInTick = bitReader.GetUIntFromNBits(32);
TimeScale = bitReader.GetUIntFromNBits(32);
FixedFrameRate = bitReader.GetNextBit();
}
NALHRDParametersPresent = bitReader.GetNextBit();
if (NALHRDParametersPresent)
{
NalHRDParams = new HRDParams();
NalHRDParams.Read(bitReader);
}
VclHRDParametersPresent = bitReader.GetNextBit();
if (VclHRDParametersPresent)
{
VclHRDParams = new HRDParams();
VclHRDParams.Read(bitReader);
}
if (NALHRDParametersPresent || VclHRDParametersPresent)
{
LowDelayHRDFlag = bitReader.GetNextBit();
}
PicStructPresent = bitReader.GetNextBit();
BitstreamRestriction = bitReader.GetNextBit();
if (BitstreamRestriction)
{
MotionVectorsOverPicBoundaries = bitReader.GetNextBit();
MaxBytesPerPicDenom = bitReader.DecodeUnsignedExpGolomb();
MaxBitsPerMBDenom = bitReader.DecodeUnsignedExpGolomb();
Log2MaxMVLengthHorizontal = bitReader.DecodeUnsignedExpGolomb();
Log2MaxMVLengthVertical = bitReader.DecodeUnsignedExpGolomb();
NumReorderFrames = bitReader.DecodeUnsignedExpGolomb();
MaxDecFrameBuffering = bitReader.DecodeUnsignedExpGolomb();
}
if ((AspectRatio > 0) && (AspectRatio < 17))
{
AspectRatioX = vui_aspect_x[AspectRatio];
AspectRatioY = vui_aspect_y[AspectRatio];
}
// gWidth = (uint)(gWidth * ((double)vui_aspect_x[vuiParams.AspectRatio]) / ((double)vui_aspect_y[vuiParams.AspectRatio]));
}
public void Read(BitReader bitReader)
{
AspectRatioInfoPresent = bitReader.GetNextBit();
if (AspectRatioInfoPresent)
{
AspectRatio = bitReader.GetByteFromNBits(8);
if (AspectRatio == Extended_SAR)
{
SARWidth = (ushort)bitReader.GetUIntFromNBits(16);
SARHeight = (ushort)bitReader.GetUIntFromNBits(16);
}
}
OverscanInfoPresent = bitReader.GetNextBit();
if (OverscanInfoPresent)
OverscanAppropriate = bitReader.GetNextBit();
VideoSignalTypePresent = bitReader.GetNextBit();
if (VideoSignalTypePresent)
{
VideoFormat = bitReader.GetByteFromNBits(3);
VideoFullRange = bitReader.GetNextBit();
ColourDescriptionPresent = bitReader.GetNextBit();
if (ColourDescriptionPresent)
{
ColourPrimaries = bitReader.GetByteFromNBits(8);
TransferCharacteristics = bitReader.GetByteFromNBits(8);
MatrixCoefficients = bitReader.GetByteFromNBits(8);
}
}
ChromaLocInfoPresent = bitReader.GetNextBit();
if (ChromaLocInfoPresent)
{
ChromaSampleLocTypeTopField = bitReader.DecodeUnsignedExpGolomb();
ChromaSampleLocTypeBottomField = bitReader.DecodeUnsignedExpGolomb();
}
TimingInfoPresent = bitReader.GetNextBit();
if (TimingInfoPresent)
{
NumUnitsInTick = bitReader.GetUIntFromNBits(32);
TimeScale = bitReader.GetUIntFromNBits(32);
FixedFrameRate = bitReader.GetNextBit();
}
NALHRDParametersPresent = bitReader.GetNextBit();
if (NALHRDParametersPresent)
{
NalHRDParams = new HRDParams();
NalHRDParams.Read(bitReader);
}
VclHRDParametersPresent = bitReader.GetNextBit();
if (VclHRDParametersPresent)
{
VclHRDParams = new HRDParams();
VclHRDParams.Read(bitReader);
}
if (NALHRDParametersPresent || VclHRDParametersPresent)
LowDelayHRDFlag = bitReader.GetNextBit();
PicStructPresent = bitReader.GetNextBit();
BitstreamRestriction = bitReader.GetNextBit();
if (BitstreamRestriction)
{
MotionVectorsOverPicBoundaries = bitReader.GetNextBit();
MaxBytesPerPicDenom = bitReader.DecodeUnsignedExpGolomb();
MaxBitsPerMBDenom = bitReader.DecodeUnsignedExpGolomb();
Log2MaxMVLengthHorizontal = bitReader.DecodeUnsignedExpGolomb();
Log2MaxMVLengthVertical = bitReader.DecodeUnsignedExpGolomb();
NumReorderFrames = bitReader.DecodeUnsignedExpGolomb();
MaxDecFrameBuffering = bitReader.DecodeUnsignedExpGolomb();
}
if ((AspectRatio > 0) && (AspectRatio < 17))
{
AspectRatioX = vui_aspect_x[AspectRatio];
AspectRatioY = vui_aspect_y[AspectRatio];
}
// gWidth = (uint)(gWidth * ((double)vui_aspect_x[vuiParams.AspectRatio]) / ((double)vui_aspect_y[vuiParams.AspectRatio]));
}
private void PicTiming()
{
bool CpbDpbDelaysPresent = true; // based on application need, see p. 260 of ITU-T
CpbDpbDelaysPresent = CpbDpbDelaysPresent || _sps.vuiParams.NALHRDParametersPresent || _sps.vuiParams.VclHRDParametersPresent;
if (CpbDpbDelaysPresent)
{
CpbRemovalDelay = _bitReader.GetUIntFromNBits(_sps.vuiParams.VclHRDParams.CpbRemovalDelayLength);
DpbOutputDelay = _bitReader.GetUIntFromNBits(_sps.vuiParams.VclHRDParams.DpbOutputDelayLength);
if ((_sps.vuiParams.MaxDecFrameBuffering == 0) && (DpbOutputDelay != 0))
{
throw new Exception("SEI: DpbOutputDelay must be zero ");
}
}
if (_sps.vuiParams.PicStructPresent)
{
PicStruct = _bitReader.GetByteFromNBits(4);
byte count = NumClockTS[PicStruct];
ClockTimestampFlag = new bool[count];
for (int i = 0; i < count; i++)
{
ClockTimestampFlag[i] = _bitReader.GetNextBit();
if (ClockTimestampFlag[i])
{
CTType = _bitReader.GetByteFromNBits(2);
UUITFieldBasedFlag = _bitReader.GetNextBit();
CountingType = _bitReader.GetByteFromNBits(5);
FullTimestampFlag = _bitReader.GetNextBit();
DiscontinuityFlag = _bitReader.GetNextBit();
CountDroppedFlag = _bitReader.GetNextBit();
NFrames = (ushort)_bitReader.GetUIntFromNBits(8);
if (FullTimestampFlag)
{
SecondsValue = _bitReader.GetByteFromNBits(6);
MinutesValue = _bitReader.GetByteFromNBits(6);
HoursValue = _bitReader.GetByteFromNBits(5);
}
else
{
SecondsFlag = _bitReader.GetNextBit();
if (SecondsFlag)
{
SecondsValue = _bitReader.GetByteFromNBits(6);
MinutesFlag = _bitReader.GetNextBit();
if (MinutesFlag)
{
MinutesValue = _bitReader.GetByteFromNBits(6);
HoursFlag = _bitReader.GetNextBit();
if (HoursFlag)
{
HoursValue = _bitReader.GetByteFromNBits(5);
}
}
}
}
ushort offLen = _sps.vuiParams.VclHRDParams.TimeOffsetLength;
if (offLen > 0)
{
TimeOffset = _bitReader.GetUIntFromNBits(offLen);
}
}
}
}
}
