1 /** 2 * \file include/seq_midi_event.h 3 * \brief Application interface library for the ALSA driver 4 * \author Jaroslav Kysela <perex (at) perex.cz> 5 * \author Abramo Bagnara <abramo (at) alsa-project.org> 6 * \author Takashi Iwai <tiwai (at) suse.de> 7 * \date 1998-2001 8 * 9 * Application interface library for the ALSA driver 10 */ 11 /* 12 * This library is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU Lesser General Public License as 14 * published by the Free Software Foundation; either version 2.1 of 15 * the License, or (at your option) any later version. 16 * 17 * This program is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU Lesser General Public License for more details. 21 * 22 * You should have received a copy of the GNU Lesser General Public 23 * License along with this library; if not, write to the Free Software 24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 25 * 26 */ 27 28 #ifndef __ALSA_SEQ_MIDI_EVENT_H 29 #define __ALSA_SEQ_MIDI_EVENT_H 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 /** 36 * \defgroup MIDI_Event Sequencer event <-> MIDI byte stream coder 37 * \ingroup Sequencer 38 * Sequencer event <-> MIDI byte stream coder 39 * \{ 40 */ 41 42 /** container for sequencer midi event parsers */ 43 typedef struct snd_midi_event snd_midi_event_t; 44 45 int snd_midi_event_new(size_t bufsize, snd_midi_event_t **rdev); 46 int snd_midi_event_resize_buffer(snd_midi_event_t *dev, size_t bufsize); 47 void snd_midi_event_free(snd_midi_event_t *dev); 48 void snd_midi_event_init(snd_midi_event_t *dev); 49 void snd_midi_event_reset_encode(snd_midi_event_t *dev); 50 void snd_midi_event_reset_decode(snd_midi_event_t *dev); 51 void snd_midi_event_no_status(snd_midi_event_t *dev, int on); 52 /* encode from byte stream - return number of written bytes if success */ 53 long snd_midi_event_encode(snd_midi_event_t *dev, const unsigned char *buf, long count, snd_seq_event_t *ev); 54 int snd_midi_event_encode_byte(snd_midi_event_t *dev, int c, snd_seq_event_t *ev); 55 /* decode from event to bytes - return number of written bytes if success */ 56 long snd_midi_event_decode(snd_midi_event_t *dev, unsigned char *buf, long count, const snd_seq_event_t *ev); 57 58 /** \} */ 59 60 #ifdef __cplusplus 61 } 62 #endif 63 64 #endif /* __ALSA_SEQ_MIDI_EVENT_H */ 65 66
