/// <summary>
/// Initializes a new instance of the <see cref="DigitalDevices"/> class.
/// </summary>
/// <param name="tunerFilter">The tuner filter.</param>
public DigitalDevices(IBaseFilter tunerFilter)
: base(tunerFilter)
{
_CardName = String.Empty;
FilterInfo fInfo;
tunerFilter.QueryFilterInfo(out fInfo);
// remarks: the better way of detection would be to check the DevicePath for matching parts
// but I didn't find a way to access IMoniker interface for query DevicePath from its property bag from a IFilterGraph only.
// see also TvCardDvdBase:
// //DD components have a common device path part.
// if (!(capDevices[capIndex].DevicePath.ToLowerInvariant().Contains("fbca-11de-b16f-000000004d56")
// check for all vendors names to support this hardware
foreach (String vendor in VendorNames)
{
if (fInfo.achName.StartsWith(vendor))
{
_CardName = vendor;
break;
}
}
// nothing found?
if (_CardName == String.Empty)
{
_isGenericBDAS = false; // if this is no DD card, don't try to handle generic BDAS here.
return;
}
IEnumerable <IBaseFilter> nextFilters = FilterGraphTools.GetAllNextFilters(tunerFilter, PINNAME_BDA_TRANSPORT,
PinDirection.Output);
foreach (IBaseFilter nextFilter in nextFilters)
{
FilterInfo filterInfo;
nextFilter.QueryFilterInfo(out filterInfo);
if (filterInfo.achName.ToLowerInvariant().Contains("common interface") && nextFilter is IKsControl)
{
CiFilter = nextFilter;
_isDigitalDevices = true;
Log.Log.Debug(FormatMessage(" Common Interface found!"));
break;
}
}
}