There is no guarantee that closestMatch returned by IsFormatSupported is actually a WAVEFORMATEXTENSIBLE. http://msdn.microsoft.com/en-us/library/windows/desktop/dd370876%28v=vs.85%29.aspx We should therefore not blindly treat it as such.
There is no guarantee that closestMatch returned by IsFormatSupported is actually a WAVEFORMATEXTENSIBLE. http://msdn.microsoft.com/en-us/library/windows/desktop/dd370876%28v=vs.85%29.aspx We should therefore not blindly treat it as such.