IltmmDVDTitle::GetAudioStream

#include "ltmm.h"

C Syntax

HRESULT IltmmDVDTitle__getAudioStream(pDVDTitle, Index, pVal)

C++ Syntax

HRESULT GetAudioStream(Index, pVal)

 

IltmmDVDTitle *pDVDTitle;

/* pointer to an interface */

long Index;

/* Index of the specified subpicture stream. */

IltmmDVDAudioStream * * pVal;

/* Pointer to a pointer to an interface. */

Gets a specific audio stream The portion of the file holding the audio data. The audio data might be compressed to save disk space. The data has to be decompressed using an audio decompressor oftware component which decompresses audio. It must be designed to work with ACM or DirectShow . Note that different compression methods require different decompressors. There is no universal decompressor capable of decoding all compressed streams. before you can play (hear) it. interface from the title The name for a group of related video files (called "Chapters") on your DVD. For example, for a DVD called "My Summer Vacation," you might have the titles "Water Skiing," "New Friends," and "Hiking." For each of those titles, you might have one or more different video files..

Parameter

Description

pDVDTitle

Pointer to an IltmmDVDTitle interface.

Index

Index of the specified subpicture stream.

pVal

Pointer to a variable that receives the IltmmDVDAudioStream interface pointer for the audio stream at the specified zero-based index.

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 method will return the specified audio stream interface in the title. To get number of audio streams in the title, call IltmmDVDTitle::get_AudioStreamCount property.

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:

IltmmDVDTitle::get_AudioStreamCount, IltmmDVDTitle::get_SelectedAudioStream, IltmmDVDTitle::put_SelectedAudioStream

Topics:

Multimedia Function Group

Example

For C example, refer to DVD Source Example.

For C++ example, refer to DVD Source Example.