// Return a path relative to the home directory
public string GetPathName(MHOctetString str)
{
string csPath = "";
if (str.Size != 0)
{
csPath = str.ToString();
}
if (csPath.StartsWith("DSM:"))
{
csPath = csPath.Substring(4); // Remove DSM:
}
// If it has any other prefix this isn't a request for a carousel object.
int firstColon = csPath.IndexOf(':'), firstSlash = csPath.IndexOf('/');
if (firstColon > 0 && firstSlash > 0 && firstColon < firstSlash)
{
return("");
}
if (csPath.StartsWith("~"))
{
csPath = csPath.Substring(1); // Remove ~
}
// Ignore "CI://"
if (!csPath.StartsWith("//"))
{ //
// Add the current application's path name
if (CurrentApp() != null)
{
csPath = CurrentApp().Path + csPath;
}
}
// Remove any occurrences of x/../
int nPos;
while ((nPos = csPath.IndexOf("/../")) >= 0)
{
Logging.Log(Logging.MHLogWarning, "/../ found in path " + csPath); // To check.
int nEnd = nPos + 4;
while (nPos >= 1 && csPath[nPos - 1] != '/')
{
nPos--;
}
csPath = csPath.Substring(0, nPos) + csPath.Substring(nEnd);
}
return(csPath);
}
public bool GetEngineSupport(MHOctetString feature)
{
string csFeat = feature.ToString();
string[] strings = csFeat.Split(new char[] { '(', ')', ',' });
if (strings[0] == "ApplicationStacking" || strings[0] == "ASt")
{
return(true);
}
// We're required to support cloning for Text, Bitmap and Rectangle.
if (strings[0] == "Cloning" || strings[0] == "Clo")
{
return(true);
}
if (strings[0] == "SceneCoordinateSystem" || strings[0] == "SCS")
{
if (strings.Length >= 3 && strings[1] == "720" && strings[2] == "576")
{
return(true);
}
else
{
return(false);
}
// I've also seen SceneCoordinateSystem(1,1)
}
if (strings[0] == "MultipleAudioStreams" || strings[0] == "MAS")
{
if (strings.Length >= 2 && (strings[1] == "0" || strings[1] == "1"))
{
return(true);
}
else
{
return(false);
}
}
if (strings[0] == "MultipleVideoStreams" || strings[0] == "MVS")
{
if (strings.Length >= 2 && (strings[1] == "0" || strings[1] == "1"))
{
return(true);
}
else
{
return(false);
}
}
// We're supposed to return true for all values of N
if (strings[0] == "OverlappingVisibles" || strings[0] == "OvV")
{
return(true);
}
if (strings[0] == "SceneAspectRatio" || strings[0] == "SAR")
{
if (strings.Length < 3)
{
return(false);
}
else if ((strings[1] == "4" && strings[2] == "3") || (strings[1] == "16" && strings[2] == "9"))
{
return(true);
}
else
{
return(false);
}
}
// We're supposed to support these at least. May also support(10,1440,1152)
if (strings[0] == "VideoScaling" || strings[0] == "VSc")
{
if (strings.Length < 4 || strings[1] != "10")
{
return(false);
}
else if ((strings[2] == "720" && strings[3] == "576") || (strings[2] == "360" && strings[3] == "288"))
{
return(true);
}
else
{
return(false);
}
}
if (strings[0] == "BitmapScaling" || strings[0] == "BSc")
{
if (strings.Length < 4 || strings[1] != "2")
{
return(false);
}
else if ((strings[2] == "720" && strings[3] == "576") || (strings[2] == "360" && strings[3] == "288"))
{
return(true);
}
else
{
return(false);
}
}
// I think we only support the video fully on screen
if (strings[0] == "VideoDecodeOffset" || strings[0] == "VDO")
{
if (strings.Length >= 3 && strings[1] == "10" && strings[1] == "0")
{
return(true);
}
else
{
return(false);
}
}
// We support bitmaps that are partially off screen (don't we?)
if (strings[0] == "BitmapDecodeOffset" || strings[0] == "BDO")
{
if (strings.Length >= 3 && strings[1] == "10" && (strings[2] == "0" || strings[2] == "1"))
{
return(true);
}
else
{
return(false);
}
}
if (strings[0] == "UKEngineProfile" || strings[0] == "UEP")
{
if (strings.Length < 2)
{
return(false);
}
if (strings[1] == MHEGEngineProviderIdString)
{
return(true);
}
if (strings[1] == m_Context.GetReceiverId())
{
return(true);
}
if (strings[1] == m_Context.GetDSMCCId())
{
return(true);
}
// The UK profile 1.06 seems a bit confused on this point. It is not clear whether
// we are supposed to return true for UKEngineProfile(2) or not.
if (strings[1] == "2")
{
return(true);
}
else
{
return(false);
}
}
// Otherwise return false.
return(false);
}