IDvdInfo::GetCurrentAudio
Microsoft DirectShow 9.0 |
IDvdInfo::GetCurrentAudio
- Note The IDvdInfo interface is deprecated. Use IDvdInfo2 instead.
Retrieves the number of available audio streams and the number of the currently selected audio stream.
Syntax
HRESULT GetCurrentAudio( ULONG *pnStreamsAvailable, ULONG *pnCurrentStream );
Parameters
pnStreamsAvailable
[out] Pointer to the retrieved number of available audio streams
pnCurrentStream
[out] Pointer to the current stream number.
Return Value
Returns an HRESULT value.
Return code | Description |
E_UNEXPECTED | DVD is not initialized or domain is not DVD_DOMAIN_Title. |
S_OK | Success. |
VFW_E_DVD_INVALIDDOMAIN | Requested action is not supported on this domain (DVD_DOMAIN). |
VFW_E_DVD_OPERATION_INHIBITED | Requested action cannot occur at this point in the movie due to the authoring of the current DVD-Video disc. |
Remarks
This method returns an error unless the domain is DVD_DOMAIN_Title. For more information, see DVD_DOMAIN.
Requirements
Reference: Dshow.h.
Library: Quartz.dll.
See Also