IDvdInfo2::IsAudioStreamEnabled method (strmif.h)

The IsAudioStreamEnabled method determines if the specified audio stream is enabled in the current title.

Syntax

HRESULT IsAudioStreamEnabled(
  ULONG ulStreamNum,
  BOOL  *pbEnabled
);

Parameters

ulStreamNum

Audio stream number to test.

pbEnabled

Pointer to a variable of type BOOL that receives a value of TRUE if the audio stream is enabled, or FALSE otherwise.

Return value

Returns one of the following HRESULT values.

Return code Description
S_OK
Success.
E_INVALIDARG
Invalid argument.
E_UNEXPECTED
The DVD Navigator is not initialized.

Remarks

A DVD can have up to eight separate audio streams, although typically not all the streams will be enabled for each title. Use IsAudioStreamEnabled to determine whether a particular stream is enabled for the current title, and then call IDvdControl2::SelectAudioStream to select one of the enabled streams.

Requirements

   
Minimum supported client Windows XP [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Target Platform Windows
Header strmif.h (include Dshow.h)
Library Strmiids.lib

See also

DVD Applications

Error and Success Codes

IDvdInfo2 Interface