public override bool Parse(Mpeg4Parser parser)
{
if (!base.Parse(parser))
{
return(false);
}
return(true);
}
public override bool Parse(Mpeg4Parser parser)
{
if (!base.Parse(parser) || MacroblockNumberLength == 0)
{
return(false);
}
parser.GetBits(MacroblockNumberLength, Attribute.MacroBlockNumber);
return(true);
}
public override bool Parse(Mpeg4Parser parser)
{
if (!base.Parse(parser))
{
return(false);
}
/*byte textureSpatialLayerId = (byte)*/ parser.GetBits(5, Attribute.NotSupported);
return(true);
}
public override bool Parse(Mpeg4Parser parser)
{
if (!base.Parse(parser))
{
return(false);
}
parser.GetBits(5, Attribute.TextureSnrID);
return(true);
}
public override bool Parse(Mpeg4Parser parser)
{
if (!base.Parse(parser))
{
return(false);
}
parser.GetByte(Attribute.ProfileLevelIndication);
return(Valid);
}
public override bool Parse(Mpeg4Parser parser)
{
if (!base.Parse(parser))
{
return(false);
}
/*uint textureShapeLayerId = */ parser.GetBits(5, Attribute.NotSupported);
if (!parser.GetMarkerBit())
{
return(false);
}
return(true);
}
public override bool Parse(Mpeg4Parser parser)
{
if (!base.Parse(parser))
{
return(false);
}
// in the parse end method the DataBlock property is set to the correct value.
// until that time, the DataBlock hold the previous header.
VisualObject visualObject = Parent as VisualObject;
uint verId = 0;
if (visualObject != null)
{
verId = visualObject.VersionId;
}
else
{
if ((parser.ShowBits(19) & 1) == 1)
{
verId = 0;
}
}
if (verId != 1)
{
/*bool tilingDisable = */ parser.GetBit();
parser.GetBit();
}
/*uint textureObjectId = */ parser.GetBits(16, Attribute.TextureObjectID);
if (!parser.GetMarkerBit())
{
return(false);
}
/*bool waveletFilterType = */ parser.GetBit();
/*bool waveletDownload = */ parser.GetBit();
/*byte waveletDecompositionLevels = (byte)*/ parser.GetBits(4);
/*bool scanDirection = */ parser.GetBit();
/*bool startCodeEnabled = */ parser.GetBit();
/*byte textureObjectLayerShape = (byte)*/ parser.GetBits(2, Attribute.TextureObjectLayerShape);
/*byte quantisationType = (byte)*/ parser.GetBits(2);
return(true);
}
public override bool Parse(Mpeg4Parser parser)
{
if (!base.Parse(parser))
{
return(false);
}
// In MPEG-4 every VOP is a child of a VOL header
VideoObjectLayer VOL = Vol;
/*int codingType = (int)*/ parser.GetBits(2, Attribute.CodingType);
int moduloTimeBase = 0;
bool code;
while ((code = parser.GetBit()) == true)
{
moduloTimeBase += code ? 1 : 0;
}
if (!parser.GetMarkerBit())
{
// Does not appear to be a mp4 VOP header
return(false);
}
if (VOL != null && VOL.VopTimeIncrementResolutionBits != 0)
{
/*uint timeIncrement = */ parser.GetBits(VOL.VopTimeIncrementResolutionBits);
}
else
{
}
if (!parser.GetMarkerBit())
{
// Does not appear to be a mp4 VOP header
return(false);
}
return(true);
}
