Esempio n. 1
0
        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);
            }
        }
Esempio n. 2
0
        public void CopyTo(ISequenceState sequence)
        {
            sequence.Reset();

            sequence.Initialized    = Initialized;
            sequence.HorizontalSize = HorizontalSize;
            sequence.VerticalSize   = VerticalSize;
            sequence.ScalableMode   = ScalableMode;
            sequence.ChromaFormat   = ChromaFormat;
            sequence.Progressive    = Progressive;

            foreach (ExtensionId extensionId in _extensions)
            {
                sequence.AddExtension(extensionId);
            }
        }