PSOUND_LINE_NOTIFY

typedef VOID (* PSOUND_LINE_NOTIFY)(struct _LOCAL_DEVICE_INFO *, UCHAR);

PSOUND_LINE_NOTIFY is the type definition for a function that is called when a line status changes.

Parameters

_LOCAL_DEVICE_INFO*

Type for a pointer to a LOCAL_DEVICE_INFO structure.

UCHAR

Type for a line notification code. The following codes are passed to the notification routine by soundlib.lib.

Device Type Notification Code
For waveform devices: SOUND_LINE_NOTIFY_WAVE
SOUND_LINE_NOTIFY_VOICE
For MIDI synthesizers: Always 0

Comments

Drivers using soundlib.lib define a function modeled on this type and call SoundSetLineNotify to place its address in the LineNotify member of a LOCAL_DEVICE_INFO structure.