The IDirectDrawVideoPort::GetInputFormat method retrieves the input formats supported by the DirectDrawVideoPort object.
HRESULT GetInputFormats(
LPDWORD lpNumFormats,
LPDDPIXELFORMAT lpFormats,
DWORD dwFlags
);
DDVPFORMAT_VIDEO | |
Returns formats for the video data. | |
DDVPFORMAT_VBI | |
Returns formats for the VBI data. |
If the method succeeds, the return value is DD_OK.
If the method fails, the return value may be one of the following error values:
DDERR_INVALIDOBJECT |
DDERR_INVALIDPARAMS |
DDERR_MOREDATA |
This method can also be used to return the number of formats supported. To do this, set the lpFormats parameter to NULL. When the method returns, the variable at lpNumFormats contains the total number of supported input formats.
Windows NT: Use version 5.0 or later.
Windows: Use Windows 95 or later. Available as a redistributable for Windows 95.
Windows CE: Unsupported.
Header: Declared in dvp.h.
Import Library: Use ddraw.lib.