public HRESULT IsEqual(IMFMediaType pIMediaType, out uint pdwFlags)
{
var hr = _type.IsEqual(pIMediaType, out pdwFlags);
var flags = (MF_MEDIATYPE_EQUAL_FLAGS)pdwFlags;
Trace("type: " + pIMediaType + " flags: " + flags + " hr: " + hr);
return(hr);
}
/// <summary>
/// Check to see if two IMFMediaTypes are identical.
/// </summary>
/// <param name="a">First media type.</param>
/// <param name="b">Second media type.</param>
/// <returns>S_Ok if identical, else MF_E_INVALIDTYPE.</returns>
protected static HResult IsIdentical(IMFMediaType a, IMFMediaType b)
{
// Otherwise, proposed input must be identical to output.
MFMediaEqual flags;
HResult hr = a.IsEqual(b, out flags);
// IsEqual can return S_FALSE. Treat this as failure.
if (hr != HResult.S_OK)
{
hr = HResult.MF_E_INVALIDTYPE;
}
return(hr);
}
public static bool AreMediaTypesEqual(IMFMediaType pType1, IMFMediaType pType2)
{
if ((pType1 == null) && (pType2 == null))
{
return(true); // Both are NULL.
}
else if ((pType1 == null) || (pType2 == null))
{
return(false); // One is NULL.
}
MFMediaEqual dwFlags;
HResult hr = pType1.IsEqual(pType2, out dwFlags);
return(hr == 0);
}
public static bool AreMediaTypesEqual(IMFMediaType pType1, IMFMediaType pType2)
{
if ((pType1 == null) && (pType2 == null))
{
return true; // Both are NULL.
}
else if ((pType1 == null) || (pType2 == null))
{
return false; // One is NULL.
}
MFMediaEqual dwFlags;
int hr = pType1.IsEqual(pType2, out dwFlags);
return (hr == 0);
}