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1 /**
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2 * \file include/seq_midi_event.h
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3 * \brief Application interface library for the ALSA driver
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4 * \author Jaroslav Kysela <perex@perex.cz>
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5 * \author Abramo Bagnara <abramo@alsa-project.org>
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6 * \author Takashi Iwai <tiwai@suse.de>
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7 * \date 1998-2001
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8 *
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9 * Application interface library for the ALSA driver
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10 */
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11 /*
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12 * This library is free software; you can redistribute it and/or modify
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13 * it under the terms of the GNU Lesser General Public License as
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14 * published by the Free Software Foundation; either version 2.1 of
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15 * the License, or (at your option) any later version.
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16 *
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17 * This program is distributed in the hope that it will be useful,
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18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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20 * GNU Lesser General Public License for more details.
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21 *
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22 * You should have received a copy of the GNU Lesser General Public
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23 * License along with this library; if not, write to the Free Software
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24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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25 *
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26 */
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27
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28 #ifndef __ALSA_SEQ_MIDI_EVENT_H
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29 #define __ALSA_SEQ_MIDI_EVENT_H
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30
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31 #ifdef __cplusplus
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32 extern "C" {
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33 #endif
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34
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35 /**
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36 * \defgroup MIDI_Event Sequencer event <-> MIDI byte stream coder
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37 * \ingroup Sequencer
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38 * Sequencer event <-> MIDI byte stream coder
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39 * \{
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40 */
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41
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42 /** container for sequencer midi event parsers */
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43 typedef struct snd_midi_event snd_midi_event_t;
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44
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45 int snd_midi_event_new(size_t bufsize, snd_midi_event_t **rdev);
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46 int snd_midi_event_resize_buffer(snd_midi_event_t *dev, size_t bufsize);
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47 void snd_midi_event_free(snd_midi_event_t *dev);
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48 void snd_midi_event_init(snd_midi_event_t *dev);
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49 void snd_midi_event_reset_encode(snd_midi_event_t *dev);
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50 void snd_midi_event_reset_decode(snd_midi_event_t *dev);
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51 void snd_midi_event_no_status(snd_midi_event_t *dev, int on);
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52 /* encode from byte stream - return number of written bytes if success */
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53 long snd_midi_event_encode(snd_midi_event_t *dev, const unsigned char *buf, long count, snd_seq_event_t *ev);
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54 int snd_midi_event_encode_byte(snd_midi_event_t *dev, int c, snd_seq_event_t *ev);
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55 /* decode from event to bytes - return number of written bytes if success */
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56 long snd_midi_event_decode(snd_midi_event_t *dev, unsigned char *buf, long count, const snd_seq_event_t *ev);
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57
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58 /** \} */
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59
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60 #ifdef __cplusplus
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61 }
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62 #endif
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63
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64 #endif /* __ALSA_SEQ_MIDI_EVENT_H */
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65
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