IltmmMediaSampleDisp::GetData

#include "ltmm.h"

C Syntax	HRESULT IltmmMediaSampleDisp__getData(pMediaSampleDisp, DataSize, Data)
C++ Syntax	HRESULT GetData(DataSize, Data)

IltmmMediaSampleDisp *pMediaSampleDisp;	/* pointer to an interface */
long DataSize;	/* size of the data */
VARIANT *Data;	/* pointer to a variable */

Retrieves a copy of the actual data in the buffer.

Parameter	Description
pMediaSampleDisp	Pointer to an IltmmMediaSampleDisp interface.
DataSize	Length of 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 contains a copy of the data in the sample buffer.

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 returned VARIANT by calling the VariantClear function.

Required DLLs and Libraries

LTMM

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

See Also

Functions:	IltmmMediaSampleDisp::get_ActualDataLength, IltmmMediaSampleDisp::get_Buffer, IltmmMediaSampleDisp::get_BufferSize, IltmmMediaSampleDisp::get_Discontinuity, IltmmMediaSampleDisp::get_Preroll, IltmmMediaSampleDisp::get_SyncPoint, IltmmMediaSampleDisp::GetMediaTime, IltmmMediaSampleDisp::GetMediaType, IltmmMediaSampleDisp::GetTime, IltmmMediaSampleDisp::put_ActualDataLength, IltmmMediaSampleDisp::put_Discontinuity, IltmmMediaSampleDisp::put_Preroll, IltmmMediaSampleDisp::put_SyncPoint, IltmmMediaSampleDisp::ResetMediaTime, IltmmMediaSampleDisp::ResetTime, IltmmMediaSampleDisp::SetData, IltmmMediaSampleDisp::SetMediaTime, IltmmMediaSampleDisp::SetMediaType, IltmmMediaSampleDisp::SetTime
Topics:	Multimedia Function Group
	IltmmMediaSampleDisp interface
	ltmmMediaSample object

Example