IltmmMediaSampleDisp::get_BufferSize

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#include "ltmm.h"

C Syntax	HRESULT IltmmMediaSampleDisp_get_BufferSize(pMediaSampleDisp, pVal)
C++ Syntax	HRESULT get_BufferSize(pVal)

IltmmMediaSampleDisp *pMediaSampleDisp;	/* pointer to an interface */
long *pVal;	/* pointer to a variable */

Retrieves the size of the sample buffer.

Parameter	Description
pMediaSampleDisp	Pointer to an IltmmMediaSampleDisp interface.
pVal	Pointer to a variable to be updated with the size of the buffer, in bytes.

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

The value obtained by this function is the maximum size of the buffer. Calling IltmmMediaSampleDisp::get_ActualDataLength retrieves the size occupied by the valid data.

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.

Platforms

Win32, x64

See Also

Functions:	IltmmMediaSampleDisp::get_ActualDataLength, IltmmMediaSampleDisp::get_Buffer, IltmmMediaSampleDisp::get_Discontinuity, IltmmMediaSampleDisp::get_Preroll, IltmmMediaSampleDisp::get_SyncPoint, IltmmMediaSampleDisp::GetData, 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

For a C example, refer to Copying ltmmMediaSample attributes and data for C.

For a C++ example, refer to Copying ltmmMediaSample attributes and data for C++.