#ifndef __SOUND_SEQ_MIDI_EVENT_H #define __SOUND_SEQ_MIDI_EVENT_H /* * MIDI byte <-> sequencer event coder * * Copyright (C) 1998,99 Takashi Iwai , * Jaroslav Kysela * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #define MAX_MIDI_EVENT_BUF 256 /* midi status */ struct snd_midi_event { int qlen; /* queue length */ int read; /* chars read */ int type; /* current event type */ unsigned char lastcmd; /* last command (for MIDI state handling) */ unsigned char nostat; /* no state flag */ int bufsize; /* allocated buffer size */ unsigned char *buf; /* input buffer */ spinlock_t lock; }; int snd_midi_event_new(int bufsize, struct snd_midi_event **rdev); void snd_midi_event_free(struct snd_midi_event *dev); void snd_midi_event_reset_encode(struct snd_midi_event *dev); void snd_midi_event_reset_decode(struct snd_midi_event *dev); void snd_midi_event_no_status(struct snd_midi_event *dev, int on); /* encode from byte stream - return number of written bytes if success */ long snd_midi_event_encode(struct snd_midi_event *dev, unsigned char *buf, long count, struct snd_seq_event *ev); int snd_midi_event_encode_byte(struct snd_midi_event *dev, int c, struct snd_seq_event *ev); /* decode from event to bytes - return number of written bytes if success */ long snd_midi_event_decode(struct snd_midi_event *dev, unsigned char *buf, long count, struct snd_seq_event *ev); #endif /* __SOUND_SEQ_MIDI_EVENT_H */
path: root/sound/usb/caiaq
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authorLinus Torvalds <torvalds@linux-foundation.org>2016-12-04 12:50:51 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-04 12:50:51 -0800
commit3e5de27e940d00d8d504dfb96625fb654f641509 (patch)
treeb38dbbb5c36de40798435623d8db8736d9a26bb0 /sound/usb/caiaq
parent0cb65c83304a341b9d09678448d7c8b550689531 (diff)
Linux 4.9-rc8
Diffstat (limited to 'sound/usb/caiaq')