IltmmMediaSampleDisp::GetMediaType

#include "ltmm.h"

C Syntax	HRESULT IltmmMediaSampleDisp__getMediaType(pMediaSampleDisp, MediaType)
C++ Syntax	HRESULT GetMediaType(MediaType)

IltmmMediaSampleDisp *pMediaSampleDisp;	/* pointer to an interface */
IltmmMediaTypeDisp **MediaType;	/* optional pointer to a pointer */

Retrieves the media type, if the media type differs from the previous sample.

Parameter	Description
pMediaSampleDisp	Pointer to an IltmmMediaSampleDisp interface.
MediaType	Pointer to a variable to be updated with a pointer to an IltmmMediaTypeDisp Interface, if the media type has changed. If the media type has not changed this will be updated with NULL.

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 object referenced by MediaType by calling the interface's Release 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::GetData, IltmmMediaSampleDisp::GetMediaTime, 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