|Microsoft DirectX 9.0|
The GetCurrentAudio method retrieves the number of available audio streams and the number of the currently selected audio stream.
HRESULT GetCurrentAudio( ULONG *pulStreamsAvailable, ULONG *pulCurrentStream );
[out] Pointer to a variable of type ULONG that receives the number of available audio streams.
[out] Pointer to a variable of type ULONG that receives the currently selected audio stream number in the current title.
Returns one of the following HRESULT values.
|E_POINTER||Input arguments are invalid.|
|VFW_E_DVD_INVALIDDOMAIN||The DVD Navigator is not initialized or not in a valid domain.|
To get the available audio languages on the disc, call GetCurrentAudio and then call GetAudioLanguage for each stream, starting from zero through (pulStreamsAvailable - 1) to get the language content.