godot/thirdparty/linuxbsd_headers/alsa/seq_midi_event.h

66 lines
2.3 KiB
C++

/**
* \file include/seq_midi_event.h
* \brief Application interface library for the ALSA driver
* \author Jaroslav Kysela <perex@perex.cz>
* \author Abramo Bagnara <abramo@alsa-project.org>
* \author Takashi Iwai <tiwai@suse.de>
* \date 1998-2001
*
* Application interface library for the ALSA driver
*/
/*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __ALSA_SEQ_MIDI_EVENT_H
#define __ALSA_SEQ_MIDI_EVENT_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* \defgroup MIDI_Event Sequencer event <-> MIDI byte stream coder
* \ingroup Sequencer
* Sequencer event <-> MIDI byte stream coder
* \{
*/
/** container for sequencer midi event parsers */
typedef struct snd_midi_event snd_midi_event_t;
int snd_midi_event_new(size_t bufsize, snd_midi_event_t **rdev);
int snd_midi_event_resize_buffer(snd_midi_event_t *dev, size_t bufsize);
void snd_midi_event_free(snd_midi_event_t *dev);
void snd_midi_event_init(snd_midi_event_t *dev);
void snd_midi_event_reset_encode(snd_midi_event_t *dev);
void snd_midi_event_reset_decode(snd_midi_event_t *dev);
void snd_midi_event_no_status(snd_midi_event_t *dev, int on);
/* encode from byte stream - return number of written bytes if success */
long snd_midi_event_encode(snd_midi_event_t *dev, const unsigned char *buf, long count, snd_seq_event_t *ev);
int snd_midi_event_encode_byte(snd_midi_event_t *dev, int c, snd_seq_event_t *ev);
/* decode from event to bytes - return number of written bytes if success */
long snd_midi_event_decode(snd_midi_event_t *dev, unsigned char *buf, long count, const snd_seq_event_t *ev);
/** \} */
#ifdef __cplusplus
}
#endif
#endif /* __ALSA_SEQ_MIDI_EVENT_H */