Important: Inside Macintosh: Sound is deprecated as of Mac OS X v10.5. For new audio development in Mac OS X, use Core Audio. See the Audio page in the ADC Reference Library.
You can use the
GetDefaultOutputVolume
GetDefaultOutputVolume
function to determine the default volume of a sound output device.
FUNCTION GetDefaultOutputVolume (VAR level: LongInt): OSErr;
level
- On exit, the default volume level of a sound output device.
DESCRIPTION
TheGetDefaultOutputVolume
function returns, in thelevel
parameter, the default volume of a sound output device. The values returned in the high and low words of thelevel
parameter range from 0 (silence) to $0100 (full volume).SPECIAL CONSIDERATIONS
TheGetDefaultOutputVolume
function is available only in versions 3.0 and later of the Sound Manager. You can call this function at interrupt time.ASSEMBLY-LANGUAGE INFORMATION
The trap macro and routine selector for theGetDefaultOutputVolume
function are
Trap macro Selector _SoundDispatch $022C0024 RESULT CODES
noErr 0 No error