detect_midi_driver (3) - Linux Man Pages
detect_midi_driver: Detects whether the specified MIDI sound device is available. Allegro game programming library.
NAMEdetect_midi_driver - Detects whether the specified MIDI sound device is available. Allegro game programming library.
DESCRIPTIONDetects whether the specified MIDI sound device is available. This function must be called _before_ install_sound().
RETURN VALUEReturns the maximum number of voices that the driver can provide, or zero if the hardware is not present.
There are two special-case return values that you should watch out for: if this function returns -1 it is a note-stealing driver (eg. DIGMID) that shares voices with the current digital sound driver, and if it returns 0xFFFF it is an external device like an MPU-401 where there is no way to determine how many voices are available.
SEE ALSOinstall_sound(3), reserve_voices(3)
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