public virtual string GetPreferredMediaSourceHandler(
PreferredMediaSourceHandler MediaSourceHandlerType
)
public:
virtual String^ GetPreferredMediaSourceHandler(
PreferredMediaSourceHandler MediaSourceHandlerType
)
MediaSourceHandlerType
A PreferredMediaSourceHandler enumeration value specifying the desired media source handler type
A string containing a media source handler's GUID.
This method can be used to determine whether a preferred media source handler has been set by SetPreferredMediaSourceHandler. It will return NULL (if no preferred media source handler has been set) or a GUID indicating the preferred media source handler. This GUID uniquely identifies the media source handler. Every media format has a registered media source handler(s) who are responsible of creating a media source for this media type.
For example, the GUID for the LEAD MPEG2 Transport Media Source Handler is: EFE626C3-0A2C-49FA-8A01-3768B559B6DA
A list of display names for common media source handlers can be found in Constants.PreferredMediaSourceHandlers.
Please see SetPreferredMediaSourceHandler for more information on media source handler display names.
using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;
public bool _result = false;
public ConvertCtrlForm _form = new ConvertCtrlForm();
public void ConverterPreferredMediaSourceHandlersExample()
{
ConvertCtrl convertCtrl = _form.ConvertCtrl;
try
{
// set the preferred MPEG2Transport media source handler to the LEAD default (which is the LEAD MPEG2 Transport Media Source handler)
convertCtrl.SetPreferredMediaSourceHandler(PreferredMediaSourceHandler.MPEG2Transport, Constants.PreferredMediaSourceHandlers.LEADDefault);
// the default MPEG2Transport media source should be the LEAD MPEG2 Transport Media Source handler now
_result = (string.Compare(convertCtrl.GetPreferredMediaSourceHandler(PreferredMediaSourceHandler.MPEG2Transport),
Constants.PreferredMediaSourceHandlers.MPEG2Program, true) == 0);
}
catch (Exception)
{
_result = false;
}
}
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