IDvdControl::AudioStreamChange method (strmif.h)
HRESULT AudioStreamChange( [in] ULONG ulAudio );
Value that specifies the audio track to use, which must be from 0 through 7.
Returns an HRESULT value.
This method returns an error unless the domain is DVD_DOMAIN_VideoManagerMenu, DVD_DOMAIN_VideoTitleSetMenu, DVD_DOMAIN_Title, or DVD_DOMAIN_Stop. For more information, see DVD_DOMAIN.
AudioStreamChange affects the audio of the current Video Title Set (VTS). When called from within a menu, this method sets the audio stream of the title from which the menu was called.
|Header||strmif.h (include Dshow.h)|