/// <summary>
/// Sets a property value.
/// </summary>
/// <param name="propertyStore">The property store to set the property in.</param>
/// <param name="property">The property to set.</param>
/// <param name="value">The value to set the property to.</param>
private static void SetPropertyValue(IPropertyStore propertyStore, PropertyKey property, string value)
{
var variant = new PropertyVariant(value);
propertyStore.SetValue(ref property, ref variant);
variant.Dispose();
}
private long GetLength(MFSourceReader reader)
{
lock (_lockObj)
{
try
{
if (reader == null)
{
return(0);
}
PropertyVariant value = reader.GetPresentationAttribute(MFInterops.MF_SOURCE_READER_MEDIASOURCE, MediaFoundationAttributes.MF_PD_DURATION);
var length = ((value.HValue) * _waveFormat.BytesPerSecond) / 10000000L;
value.Dispose();
return(length);
}
catch (Exception)
{
//if (e.Result == (int)HResult.MF_E_ATTRIBUTENOTFOUND)
// return 0;
//throw;
return(0);
}
}
}
/// <summary>
/// Sets a property value.
/// </summary>
/// <param name="propertyStore">The property store to set the property in.</param>
/// <param name="property">The property to set.</param>
/// <param name="value">The value to set the property to.</param>
private static void SetPropertyValue(IPropertyStore propertyStore, PropertyKey property, string value)
{
var variant = new PropertyVariant(value);
propertyStore.SetValue(ref property, ref variant);
variant.Dispose();
}
