Tportmidi.Device_info
Device information.
The type for device information.
Values of this type survive a terminate
but the refered host API index will no longer be valid.
val interface : t -> string
interface d
is the underlying MIDI API.
val name : t -> string
name d
is the device name.
val input : t -> bool
input d
is true
iff input is available.
val output : t -> bool
output d
is true
iff output is available.
val is_virtual : t -> bool
is_virtual b
is true
iff this is a virtual device.