IltmmCapture::CapturePicture

#include "ltmm.h"

C Syntax

HRESULT IltmmCapture_CapturePicture(pCapture, ppPicture)

C++ Syntax

HRESULT CapturePicture(ppPicture)

 

IltmmCapture *pCapture;

/* pointer to an interface */

IPictureDisp **ppPicture;

/* picture object interface */

Captures a picture object.

Parameter

Description

pCapture

Pointer to an IltmmCapture interface.

ppPicture

Pointer to a variable that receives the picture object interface pointer.

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

This function will capture a single automation picture.

If the method succeeds, the caller must free the returned picture by calling the interface's Release method.

 

Note: The frame data is retrieved from the underlying graph after the processing

 filters. If the capture needs to occur before the processing is completed

 use the LeadVideoCallBackFilter and place it first in the collection of

 processing filters.

 

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:

IltmmCapture::CaptureDIB, IltmmCapture::GetStillDIB, IltmmCapture::GetStillPicture

Topics:

Multimedia Function Group

Example

For a C example, refer to Advanced Capture Application for C.

For a C++ example, refer to Advanced Capture Application for C++.