IltmmMediaSampleDisp::SetMediaType

#include "ltmm.h"

C Syntax	HRESULT IltmmMediaSampleDisp_SetMediaType(pMediaSampleDisp, MediaType)
C++ Syntax	HRESULT SetMediaType(MediaType)

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

Assigns changes to the media type.

Parameter	Description
pMediaSampleDisp	Pointer to an IltmmMediaSampleDisp interface.
MediaType	Pointer to an IltmmMediaTypeDisp Interface that specifies the media type to set.

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

By default, every sample has the same media type as the previous sample. Call this function to make limited changes to the media type, such as changing the palette.

For information on setting 12 and 16-bit grayscale media types, refer to 12 and 16-bit Grayscale Format used by LEADTOOLS.

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::GetMediaType, IltmmMediaSampleDisp::GetTime, IltmmMediaSampleDisp::put_ActualDataLength, IltmmMediaSampleDisp::put_Discontinuity, IltmmMediaSampleDisp::put_Preroll, IltmmMediaSampleDisp::put_SyncPoint, IltmmMediaSampleDisp::ResetMediaTime, IltmmMediaSampleDisp::ResetTime, IltmmMediaSampleDisp::SetData, IltmmMediaSampleDisp::SetMediaTime, 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++.