annotate plugin/api/alsa/seq_midi_event.h @ 25:7dad8a310963

* Add basics of MIDI file import. Doesn't actually create the model yet. * Add rewind to start / ffwd to end. * Make zoom constraint default to sqrt(2) type if no constraint set
author Chris Cannam
date Thu, 09 Feb 2006 18:01:52 +0000
parents da6937383da8
children
rev   line source
Chris@0 1 /* DSSI ALSA compatibility library
Chris@0 2 *
Chris@0 3 * This library provides for Mac OS X the ALSA snd_seq_event_t handling
Chris@0 4 * necessary to compile and run DSSI. It was extracted from alsa-lib 1.0.8.
Chris@0 5 */
Chris@0 6
Chris@0 7 /**
Chris@0 8 * \file <alsa/seq_midi_event.h>
Chris@0 9 * \brief Application interface library for the ALSA driver
Chris@0 10 * \author Jaroslav Kysela <perex@suse.cz>
Chris@0 11 * \author Abramo Bagnara <abramo@alsa-project.org>
Chris@0 12 * \author Takashi Iwai <tiwai@suse.de>
Chris@0 13 * \date 1998-2001
Chris@0 14 *
Chris@0 15 * Application interface library for the ALSA driver
Chris@0 16 *
Chris@0 17 *
Chris@0 18 * This library is free software; you can redistribute it and/or modify
Chris@0 19 * it under the terms of the GNU Lesser General Public License as
Chris@0 20 * published by the Free Software Foundation; either version 2.1 of
Chris@0 21 * the License, or (at your option) any later version.
Chris@0 22 *
Chris@0 23 * This program is distributed in the hope that it will be useful,
Chris@0 24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@0 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Chris@0 26 * GNU Lesser General Public License for more details.
Chris@0 27 *
Chris@0 28 * You should have received a copy of the GNU Lesser General Public
Chris@0 29 * License along with this library; if not, write to the Free Software
Chris@0 30 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Chris@0 31 *
Chris@0 32 */
Chris@0 33
Chris@0 34 #ifndef __ALSA_SEQ_MIDI_EVENT_H
Chris@0 35 #define __ALSA_SEQ_MIDI_EVENT_H
Chris@0 36
Chris@0 37 #ifdef __cplusplus
Chris@0 38 extern "C" {
Chris@0 39 #endif
Chris@0 40
Chris@0 41 /**
Chris@0 42 * \defgroup MIDI_Event Sequencer event <-> MIDI byte stream coder
Chris@0 43 * \ingroup Sequencer
Chris@0 44 * Sequencer event <-> MIDI byte stream coder
Chris@0 45 * \{
Chris@0 46 */
Chris@0 47
Chris@0 48 /** container for sequencer midi event parsers */
Chris@0 49 typedef struct snd_midi_event snd_midi_event_t;
Chris@0 50
Chris@0 51 int snd_midi_event_new(size_t bufsize, snd_midi_event_t **rdev);
Chris@0 52 /* int snd_midi_event_resize_buffer(snd_midi_event_t *dev, size_t bufsize); */
Chris@0 53 void snd_midi_event_free(snd_midi_event_t *dev);
Chris@0 54 /* void snd_midi_event_init(snd_midi_event_t *dev); */
Chris@0 55 void snd_midi_event_reset_encode(snd_midi_event_t *dev);
Chris@0 56 /* void snd_midi_event_reset_decode(snd_midi_event_t *dev); */
Chris@0 57 /* void snd_midi_event_no_status(snd_midi_event_t *dev, int on); */
Chris@0 58 /* encode from byte stream - return number of written bytes if success */
Chris@0 59 long snd_midi_event_encode(snd_midi_event_t *dev, const unsigned char *buf, long count, snd_seq_event_t *ev);
Chris@0 60 int snd_midi_event_encode_byte(snd_midi_event_t *dev, int c, snd_seq_event_t *ev);
Chris@0 61 /* decode from event to bytes - return number of written bytes if success */
Chris@0 62 /* long snd_midi_event_decode(snd_midi_event_t *dev, unsigned char *buf, long count, const snd_seq_event_t *ev); */
Chris@0 63
Chris@0 64 /** \} */
Chris@0 65
Chris@0 66 #ifdef __cplusplus
Chris@0 67 }
Chris@0 68 #endif
Chris@0 69
Chris@0 70 #endif /* __ALSA_SEQ_MIDI_EVENT_H */
Chris@0 71