music man page on OpenBSD

music man page on OpenBSD

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SEQUENCER(4)		  OpenBSD Programmer's Manual		  SEQUENCER(4)

NAME
     sequencer - OSS-compatible MIDI sequencer device

SYNOPSIS
     pseudo-device sequencer [count]

     #include <sys/types.h>
     #include <sys/midiio.h>

DESCRIPTION
     The sequencer device provides an event-oriented interface simultaneously
     to all MIDI ports.	 Events sent to or received from this device not only
     contain the actual MIDI events, but also timing information.  The kernel
     will make sure that data is sent to the physical device at the indicated
     time.  The sequencer device uses the midi(4) devices internally and they
     are unavailable when used by the sequencer device.

     The API for the sequencer device is binary compatible with the OSS
     sequencer interface.

FILES
     /dev/music	     new sequencer device using 8-byte events
     /dev/sequencer  old sequencer device using 4-byte events

SEE ALSO
     midiplay(1), ioctl(2), ossaudio(3), midi(4)

HISTORY
     The sequencer driver first appeared in OpenBSD 2.5.

AUTHORS
     The sequencer driver was written by Lennart Augustsson.

OpenBSD 4.9			 June 26, 2008			   OpenBSD 4.9

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