IltmmCapture::put_MasterStream

Summary

Assigns the master stream that other streams must synchronize to after the file is written out.

Syntax

#include "ltmm.h"

Language Syntax
C HRESULT IltmmCapture_put_MasterStream(pCapture, newVal)
C++ HRESULT put_MasterStream(newVal)

Parameters

IltmmCapture *pCapture

Pointer to an IltmmCapture interface.

long newVal

Value that is one of the ltmmCapture_MasterStream constants.

Returns

Value Meaning
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

Different streams in the capture scenario can capture at different rates if you are using separate audio and video capture cards. By specifying a master stream that all others must synchronize to, this method adjusts the frame rate or audio sampling rate to account for drifts in the rates.

To eliminate capture drifts that can occur between audio sampling rates and video frame rates, it is recommended that you use combined audio/video cards for capture of large files.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

Language Example
C Advanced Capture Application
C++ Advanced Capture Application
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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.