public virtual string GetPreferredFilter(
PreferredFilter filterType
)
public:
virtual String^ GetPreferredFilter(
PreferredFilter filterType
)
filterType
A PreferredFilter enumeration value specifying the desired filter type
A string containing a filter's display name.
This method can be used to determine whether a preferred filter has been set by SetPreferredFilter. It will return NULL (if no preferred filter has been set) or a display name indicating the preferred filter. A display name uniquely identifies the filter. Display names have the following format:
@device:sw:GUID\GUID
For example, the display name for the LEAD MPEG2 Transport Demultiplexer is: @device:sw:{083863F1-70DE-11D0-BD40-00A0C911CE86}\{E2B7DF1A-38C5-11D5-91F6-00104BDB8FF9}
A list of display names for common filters can be found in Constants.PreferredFilters.
Please see SetPreferredFilter for more information on filter display names.
using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void CapturePreferredFiltersExample()
{
CaptureCtrl captureCtrl = _form.CaptureCtrl;
try
{
// set the preferred H264 decompressor to the LEAD default (which is the LEAD H264 Decoder)
captureCtrl.SetPreferredFilter(PreferredFilter.H264Decompressor, Constants.PreferredFilters.LEADDefault);
// the default H264 Decompressor should be the LEAD H264 Decoder now
// filter names are not case sensitive, so ignore case in the compare
_result = (string.Compare(captureCtrl.GetPreferredFilter(PreferredFilter.H264Decompressor),
Constants.PreferredFilters.H264Decompressor, true) == 0);
}
catch (Exception)
{
_result = false;
}
}
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Multimedia
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