IltmmSampleSource::GetMediaType

#include "ltmm.h"

C Syntax

HRESULT IltmmSampleSource_getMediaType(pSampleSource, MediaType)

C++ Syntax

HRESULT GetMediaType(MediaType)

 

IltmmSampleSource *pSampleSource;

/* pointer to an interface */

IltmmMediaTypeDisp **MediaType;

/* pointer to a pointer */

Retrieves the media type of the sample source object.

Parameter

Description

pSampleSource

Pointer to an IltmmSampleSource interface that references the sample source object for which to get the media type.

MediaType

Pointer to a variable that is updated with an IltmmMediaTypeDisp pointer. The IltmmMediaTypeDisp interfacereferenced by this pointer contains information on the media type of the sample source.

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 interface referenced by the MediaType parameter 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.

Platforms

Win32, x64

See Also

Elements:

IltmmSampleSource::SetMediaType, IltmmSampleSource::DeliverEndOfStream, IltmmSampleSource::DeliverSample, IltmmSampleSource::GetSampleBuffer

Topics:

Multimedia Function Group

Example

For a C example, refer to Creating an AVI File from Bitmaps Using ltmmSampleSource for C.

For a C++ example, refer to Creating an AVI File from Bitmaps Using ltmmSampleSource for C++.