IltmmMediaInfo::get_OutputStreams

Summary

Retrieves the number of output streams available in the source media file.

Syntax

#include "ltmm.h"

Language Syntax
C HRESULT IltmmMediaInfo_get_OutputStreams(pMediaInfo, pVal)
C++ HRESULT get_OutputStreams(pVal)

Parameters

IltmmMediaInfo *pMediaInfo

Pointer to an IltmmMediaInfo Interface.

long *pVal

Pointer to a variable to be updated with the number of output streams in the source media file.

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

The current source media file is the file for which the IltmmMediaInfo interface/object gets information. To set the current source media file, call IltmmMediaInfo::put_SourceFile.

The number of streams obtained by this function can be used to iterate through all streams, acquiring information on each.

To set the current stream, call IltmmMediaInfo::put_CurrentStream. Once the current stream has been set, information about that stream can be obtained by calling any of the following functions:

To get the current stream, call IltmmMediaInfo::get_CurrentStream.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

Language Example
C Retrieving Media File Information
C++ Retrieving Media File Information
Help Version 22.0.2023.1.26
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LEADTOOLS Multimedia C API Help
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.