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- Description
The TDx_DrawVideoPort::GetInputFormats method will retrieve the supported video port input pixel formats.
Setting the Formats parameter to NULL will cause the number of supported input formats to be returned in the NumFormats parameter.
If this method call fails, the one of the following values will be returned:
DDERR_INVALIDOBJECT
DDERR_INVALIDPARAMS
DDERR_MOREDATA
- Parameters
NumFormats
The NumFormats parameter references the size of the array referenced by the Formats parameter of this method.
When the size needed exceeds this value, the array will be filled, this parameter set to the actual size needed and a DDERR_MOREDATA error returned.
Formats
The Formats parameter references an array of TDDPixelFormat components for holding the retrieved input pixel formats if this method returns successfully.
Setting this parameter to NULL will cause the required array size to be returned in the NumFormats parameter of this method.
Flags
The Flags parameter defines flags indicating which portion of the video signal to enumerate formats for.
The described effect applies when the flag is set.
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DDVPFORMAT_VBI
Retrieve the format of the VBI data.
DDVPFORMAT_VIDEO
Retrieve the format of the normal video data.
- See Also
- Top
TDx_Draw_Library v2.00 Component Reference
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[ TDx_DrawVideoPort::GetInputFormats() ] [ next: GetOutputFormats() ] [ prev: GetFieldPolarity() ] public:
virtual HRESULT __fastcall GetInputFormats( dword* pNumFormats, TDDPixelFormat* pFormats, dword pFlags );
TDX_DRAWVIDEOPORT::GETINPUTFORMATS()
[ component method ]
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