IltmmMediaTypeDisp::GetFormatData

#include "ltmm.h"

C Syntax	HRESULT IltmmMediaTypeDisp_getFormatData(pMediaTypeDisp, DataSize, Data)
C++ Syntax	HRESULT GetFormatData(DataSize, Data)

IltmmMediaTypeDisp *pMediaTypeDisp;	pointer to an interface
long DataSize;	size of the format data
VARIANT *Data;	pointer to a VARIANT

Retrieves a copy of the format buffer.

Parameter	Description
pMediaTypeDisp	Pointer to an IltmmMediaTypeDisp interface.
DataSize	Length of the data to retrieve, in bytes.
Data	Pointer to a variable to be updated with a VARIANT containing a SAFEARRAY reference. The array is composed of a single dimension of bytes. This array will be updated with the actual format data.

Returns

S_OK	The function was successful.
<> S_OK	An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.

Comments

If the function succeeds, the caller must free the VARIANT referenced by pVal by calling the VariantClear function.

Win32, x64

See Also

Elements:	IltmmMediaTypeDisp::get_FixedSizeSamples, IltmmMediaTypeDisp::get_Format, IltmmMediaTypeDisp::get_FormatSize, IltmmMediaTypeDisp::get_FormatType, IltmmMediaTypeDisp::get_SampleSize, IltmmMediaTypeDisp::get_Subtype, IltmmMediaTypeDisp::get_TemporalCompression, IltmmMediaTypeDisp::get_Type, IltmmMediaTypeDisp::put_FixedSizeSamples, IltmmMediaTypeDisp::put_FormatSize, IltmmMediaTypeDisp::put_FormatType, IltmmMediaTypeDisp::put_SampleSize, IltmmMediaTypeDisp::put_Subtype, IltmmMediaTypeDisp::put_TemporalCompression, IltmmMediaTypeDisp::put_Type, IltmmMediaTypeDisp::SetFormatData
Topics:	Multimedia Function Group
	IltmmMediaTypeDisp interface
	ltmmMediaType object

Example

For a C example, refer to Copying ltmmMediaType Attributes and Data for C.

For a C++ example, refer to Copying ltmmMediaType Attributes and Data for C++.

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