// ########################################################################
// ##### TantaMFTBase_Sync Overrides, all child classes must implement these
// ########################################################################
#region Overrides
/// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
/// <summary>
/// Returns a value indicating if the proposed input type is acceptable to
/// this MFT.
///
/// An override of the abstract version in TantaMFTBase_Sync.
/// </summary>
/// <param name="pmt">The type to check. Should never be null.</param>
/// <returns>S_Ok if the type is valid or MF_E_INVALIDTYPE.</returns>
/// <history>
/// 01 Nov 18 Cynic - Ported In
/// </history>
override protected HResult OnCheckInputType(IMFMediaType pmt)
{
HResult hr;
// We accept any input type as long as the output type
// has not been set yet
if (OutputType == null)
{
hr = HResult.S_OK;
}
else
{
// Otherwise, proposed input must be identical to the output.
hr = TantaWMFUtils.IsMediaTypeIdentical(pmt, OutputType);
}
return(hr);
}
// ########################################################################
// ##### TantaMFTBase_Sync Overrides, all child classes must implement these
// ########################################################################
#region Overrides
/// +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
/// <summary>
/// Returns a value indicating if the proposed input type is acceptable to
/// this MFT.
///
/// An override of the abstract version in TantaMFTBase_Sync.
/// </summary>
/// <param name="pmt">The type to check. Should never be null.</param>
/// <returns>S_Ok if the type is valid or MF_E_INVALIDTYPE.</returns>
/// <history>
/// 01 Nov 18 Cynic - Ported In
/// </history>
override protected HResult OnCheckInputType(IMFMediaType pmt)
{
HResult hr;
// We assume the input type will get checked first
if (OutputType == null)
{
// we do not have an output type, check that the proposed
// input type is acceptable
hr = OnCheckMediaType(pmt);
}
else
{
// we have an output type
hr = TantaWMFUtils.IsMediaTypeIdentical(pmt, OutputType);
}
return(hr);
}
