public void Parse(IMpeg2VideoReader reader, IResultNodeState resultState)
{
resultState.Name = Name;
for (int i = GetFrameCenterOffsets(reader); i > 0; i--)
{
reader.GetBits(16, Attribute.FrameCenterHorizontalOffset);
reader.GetMarker();
reader.GetBits(16, Attribute.FrameCenterVerticalOffset);
reader.GetMarker();
}
}
public void Parse(IMpeg2VideoReader reader, IResultNodeState resultState)
{
resultState.Name = Name;
reader.GetBits(10, Attribute.LowerLayerTemporalReference);
reader.GetMarker();
reader.GetBits(15, Attribute.LowerLayerHorizontalOffset);
reader.GetMarker();
reader.GetBits(15, Attribute.LowerLayerVerticalOffset);
reader.State.Picture.SpatialScalability = true;
reader.State.Picture.SpatialTemporalWeightCodeTableIndex = (byte)reader.GetBits(2, Attribute.SpatialTemporalWeightCodeTableIndex);
reader.GetFlag(Attribute.LowerLayerProgressiveFrame);
reader.GetFlag(Attribute.LowerLayerDeinterlacedFieldSelect);
}
public void Parse(IMpeg2VideoReader reader, IResultNodeState resultState)
{
resultState.Name = Name;
if ((reader.State.LastHeaderName != SequenceHeader.Name))
{
resultState.Invalidate();
return; // Invalid header sequence
}
ISequenceState sequenceState = reader.State.Sequence;
reader.GetBits(8, Attribute.ProfileAndLevelIndication);
sequenceState.Progressive = reader.GetFlag(Attribute.ProgressiveSequence);
sequenceState.ChromaFormat = (ChromaFormat)reader.GetBits(2, Attribute.ChromaFormat);
uint horizontalSizeExtension = reader.GetBits(2, Attribute.HorizontalSizeExtension);
sequenceState.HorizontalSize = (ushort)((sequenceState.HorizontalSize & 0x0fff) | (horizontalSizeExtension << 12));
uint verticalSizeExtension = reader.GetBits(2, Attribute.VerticalSizeExtension);
sequenceState.VerticalSize = (ushort)((sequenceState.VerticalSize & 0x0fff) | (verticalSizeExtension << 12));
reader.GetBits(12, Attribute.BitRateExtension);
reader.GetMarker();
reader.GetBits(8, Attribute.VbvBufferSizeExtension);
reader.GetBits(1, Attribute.LowDelay);
reader.GetBits(2, Attribute.FrameRateExtensionN);
reader.GetBits(5, Attribute.FrameRateExtensionD);
}
public void Parse(IMpeg2VideoReader reader, IResultNodeState resultState)
{
resultState.Name = Name;
reader.State.Picture.Reset();
reader.State.SeenGop = false;
if ((reader.State.LastHeaderName != null) && (reader.State.LastHeaderName != Slice.Name))
{
resultState.Invalidate();
return; // Invalid header sequence
}
ISequenceState sequenceState = reader.State.Sequence;
sequenceState.Reset();
sequenceState.Initialized = true;
sequenceState.HorizontalSize = (ushort)reader.GetBits(12, Attribute.HorizontalSizeValue);
sequenceState.VerticalSize = (ushort)reader.GetBits(12, Attribute.VerticalSizeValue);
reader.GetBits(4, Attribute.AspectRatioInformation, AspectRatioResultFormatter);
reader.GetBits(4, Attribute.FrameRateCode, FrameRateResultFormatter);
reader.GetBits(18, Attribute.BitRateValue);
reader.GetMarker();
reader.GetBits(10, Attribute.VbvBufferSizeValue);
reader.GetFlag(Attribute.ConstrainedParametersFlag);
if (reader.GetFlag(Attribute.LoadIntraQuantiserMatrix))
{
reader.GetData(Attribute.IntraQuantiserMatrix, 64);
}
if (reader.GetFlag(Attribute.LoadNonIntraQuantiserMatrix))
{
reader.GetData(Attribute.NonIntraQuantiserMatrix, 64);
}
}
public void Parse(IMpeg2VideoReader reader, IResultNodeState resultState)
{
resultState.Name = Name;
ScalableMode scalableMode = (ScalableMode)reader.GetBits(2, Attribute.ScalableMode, _scalableModeResultFormatter);
reader.State.Sequence.ScalableMode = scalableMode;
reader.GetBits(4, Attribute.LayerID);
if (scalableMode == ScalableMode.SpatialScalability)
{
reader.GetBits(14, Attribute.LowerLayerPredictionHorizontalSize);
reader.GetMarker();
reader.GetBits(14, Attribute.LowerLayerPredictionVerticalSize);
reader.GetBits(5, Attribute.HorizontalSubsamplingFactorM);
reader.GetBits(5, Attribute.HorizontalSubsamplingFactorN);
reader.GetBits(5, Attribute.VerticalSubsamplingFactorM);
reader.GetBits(5, Attribute.VerticalSubsamplingFactorN);
}
if (scalableMode == ScalableMode.TemporalScalability)
{
if (reader.GetFlag(Attribute.PictureMuxEnable))
{
reader.GetFlag(Attribute.MuxToProgressiveSequence);
}
reader.GetBits(3, Attribute.PictureMuxOrder);
reader.GetBits(3, Attribute.PictureMuxFactor);
}
}
public void Parse(IMpeg2VideoReader reader, IResultNodeState resultState)
{
resultState.Name = Name;
reader.GetBits(2, Attribute.ReferenceSelectCode);
reader.GetBits(10, Attribute.ForwardTemporalReference);
reader.GetMarker();
reader.GetBits(10, Attribute.BackwardTemporalReference);
}
public void Parse(IMpeg2VideoReader reader, IResultNodeState resultState)
{
resultState.Name = Name;
reader.GetFlag(Attribute.CopyrightFlag);
reader.GetBits(8, Attribute.CopyrightIdentifier);
reader.GetFlag(Attribute.OriginalOrCopy); // TODO: true = original, false = copy
reader.GetReservedBits(7);
reader.GetMarker();
reader.GetAttribute(_copyrightNumberAttribute);
}
public void Parse(IMpeg2VideoReader reader, IResultNodeState resultState)
{
resultState.Name = Name;
reader.GetBits(3, Attribute.VideoFormat, _videoFormatResultFormatter);
if (reader.GetFlag(Attribute.ColourDescription))
{
reader.GetBits(8, Attribute.ColourPrimaries);
reader.GetBits(8, Attribute.TransferCharacteristics);
reader.GetBits(8, Attribute.MatrixCoefficients);
}
reader.GetBits(14, Attribute.DisplayHorizontalSize);
reader.GetMarker();
reader.GetBits(14, Attribute.DisplayVerticalSize);
}
public void Parse(IMpeg2VideoReader reader, IResultNodeState resultState)
{
resultState.Name = Name;
reader.GetReservedBits(1);
reader.GetBits(7, Attribute.CameraID);
reader.GetMarker();
reader.GetBits(22, Attribute.HeightOfImageDevice);
reader.GetMarker();
reader.GetBits(22, Attribute.FNumber);
reader.GetMarker();
reader.GetBits(22, Attribute.VerticalAngleOfView);
reader.GetMarker();
reader.GetBits(16, Attribute.CameraPositionXUpper);
reader.GetMarker();
reader.GetBits(16, Attribute.CameraPositionXLower);
reader.GetMarker();
reader.GetBits(16, Attribute.CameraPositionYUpper);
reader.GetMarker();
reader.GetBits(16, Attribute.CameraPositionYLower);
reader.GetMarker();
reader.GetBits(16, Attribute.CameraPositionZUpper);
reader.GetMarker();
reader.GetBits(16, Attribute.CameraPositionZLower);
reader.GetMarker();
reader.GetBits(22, Attribute.CameraDirectionX);
reader.GetMarker();
reader.GetBits(22, Attribute.CameraDirectionY);
reader.GetMarker();
reader.GetBits(22, Attribute.CameraDirectionZ);
reader.GetMarker();
reader.GetBits(22, Attribute.ImagePlaneVerticalX);
reader.GetMarker();
reader.GetBits(22, Attribute.ImagePlaneVerticalY);
reader.GetMarker();
reader.GetBits(22, Attribute.ImagePlaneVerticalZ);
reader.GetMarker();
reader.GetReservedBits(32);
}