public NalUnitStreamParser(INalUnitParser nalUnitParser, IH264State state)
{
_nalUnitParser = nalUnitParser;
_state = state;
_nalUnitStartByteLongLengthPrefix = new bool[256];
_nalUnitStartByteShortLengthPrefix = new bool[256];
for (int nalRefIdc = 0; nalRefIdc <= 3; nalRefIdc++)
{
int nonIdrPictureSliceIndex = (nalRefIdc << 5) | (int)NalUnitType.CodedSliceOfANonIdrPicture;
_nalUnitStartByteLongLengthPrefix[nonIdrPictureSliceIndex] = true;
}
for (int nalRefIdc = 1; nalRefIdc <= 3; nalRefIdc++)
{
int nalRefIdcBits = (nalRefIdc << 5);
_nalUnitStartByteLongLengthPrefix[nalRefIdcBits | (int)NalUnitType.CodedSliceOfAnIdrPicture] = true;
_nalUnitStartByteShortLengthPrefix[nalRefIdcBits | (int)NalUnitType.SequenceParameterSet] = true;
_nalUnitStartByteShortLengthPrefix[nalRefIdcBits | (int)NalUnitType.PictureParameterSet] = true;
}
Configurable <H264Detector.ConfigurationKey> configurable = H264Detector.Configurable;
_minSliceNalUnitLength = (uint)configurable[H264Detector.ConfigurationKey.MinSliceNalUnitLength];
_maxSliceNalUnitLength = (uint)configurable[H264Detector.ConfigurationKey.MaxSliceNalUnitLength];
}
public NalUnitReader(IH264Reader reader, BitStreamDataReader dataReader, IH264State state)
{
_reader = reader;
_dataReader = dataReader;
_state = state;
_maxTrailingZeroByteLength = (uint)H264Detector.Configurable[H264Detector.ConfigurationKey.MaxTrailingZeroByteLength];
_maxReferenceHeaderRetriesPerFragment = (uint)H264Detector.Configurable[H264Detector.ConfigurationKey.MaxReferenceHeaderRetriesPerFragment];
}
public H264ResultNodeCallback(IH264State state)
{
_state = state;
_possibleChildHeaders = new Dictionary <string, List <string> >();
_possibleChildHeaders.Add(SequenceParameterSet.Name, new List <string> {
PictureParameterSet.Name
});
_possibleChildHeaders.Add(PictureParameterSet.Name, new List <string> {
SupplementalEnhancementInformation.Name, IdrPictureSlice.Name, NonIdrPictureSlice.Name
});
}
public H264Reader(BitStreamDataReader dataReader, IH264State state, IReaderState readerState)
{
_dataReader = dataReader;
_state = state;
_readerState = readerState;
Configurable <H264Detector.ConfigurationKey> configurable = H264Detector.Configurable;
uint maxGapBetweenPpsAndSlice = (uint)configurable[H264Detector.ConfigurationKey.MaxGapBetweenPpsAndSlice];
uint maxGapBetweenPpsAndSps = (uint)configurable[H264Detector.ConfigurationKey.MaxGapBetweenPpsAndSps];
uint maxGapBetweenNalUnits = (uint)configurable[H264Detector.ConfigurationKey.MaxGapBetweenNalUnits];
uint maxBytesBetweenNalUnits = Math.Max(maxGapBetweenNalUnits, Math.Max(maxGapBetweenPpsAndSps, maxGapBetweenPpsAndSlice));
_maxNalUnitDistance = maxBytesBetweenNalUnits + (uint)configurable[H264Detector.ConfigurationKey.MaxSliceNalUnitLength];
}
public H264ResultTreeBuilder(BitStreamDataReader dataReader, IH264Reader reader, IH264State state, IScanContext scanContext, NalUnitStreamParser nalUnitStreamParser, ByteStreamParser byteStreamParser)
{
_falseHitReduction = (bool)H264Detector.Configurable[H264Detector.ConfigurationKey.FalseHitReduction];
_dataReader = dataReader;
_reader = reader;
_state = state;
_scanContext = scanContext;
_nalUnitStreamParser = nalUnitStreamParser;
_byteStreamParser = byteStreamParser;
Configurable <H264Detector.ConfigurationKey> configurable = H264Detector.Configurable;
_maxGapBetweenPpsAndSlice = (uint)configurable[H264Detector.ConfigurationKey.MaxGapBetweenPpsAndSlice];
_maxGapBetweenPpsAndSps = (uint)configurable[H264Detector.ConfigurationKey.MaxGapBetweenPpsAndSps];
_maxGapBetweenNalUnits = (uint)configurable[H264Detector.ConfigurationKey.MaxGapBetweenNalUnits];
}
public void CopyTo(IH264State state)
{
state.PictureStates[Id] = this;
state.SequenceStates[SequenceState.Id] = SequenceState;
}
public void SetUp()
{
_state = new H264State(new SequenceStates(), new PictureStates());
_resultState = MockRepository.GenerateStub <IResultNodeState>();
}
