ALSA project - the C library reference: /builddir/build/BUILD/alsa-lib-1.1.8/include/seq_midi_event.h Source File

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seq_midi_event.h
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1
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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
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
60 #ifdef __cplusplus
61 }
62 #endif
63
64 #endif /* __ALSA_SEQ_MIDI_EVENT_H */
65
snd_midi_event_reset_encode
void snd_midi_event_reset_encode(snd_midi_event_t *dev)
Resets MIDI encode parser.
Definition: seq_midi_event.c:226
snd_midi_event_free
void snd_midi_event_free(snd_midi_event_t *dev)
Frees a MIDI event parser.
Definition: seq_midi_event.c:181
snd_midi_event_t
struct snd_midi_event snd_midi_event_t
Definition: seq_midi_event.h:43
snd_midi_event_encode_byte
int snd_midi_event_encode_byte(snd_midi_event_t *dev, int c, snd_seq_event_t *ev)
Encodes byte to sequencer event.
Definition: seq_midi_event.c:398
snd_midi_event_encode
long snd_midi_event_encode(snd_midi_event_t *dev, const unsigned char *buf, long count, snd_seq_event_t *ev)
Encodes bytes to sequencer event.
Definition: seq_midi_event.c:360
snd_midi_event_init
void snd_midi_event_init(snd_midi_event_t *dev)
Resets MIDI encode/decode parsers.
Definition: seq_midi_event.c:257
snd_midi_event_no_status
void snd_midi_event_no_status(snd_midi_event_t *dev, int on)
Enables/disables MIDI command merging.
Definition: seq_midi_event.c:200
snd_midi_event_new
int snd_midi_event_new(size_t bufsize, snd_midi_event_t **rdev)
Creates a MIDI event parser.
Definition: seq_midi_event.c:150
snd_midi_event_reset_decode
void snd_midi_event_reset_decode(snd_midi_event_t *dev)
Resets MIDI decode parser.
Definition: seq_midi_event.c:242
snd_seq_event_t
Definition: seq_event.h:296
snd_midi_event_decode
long snd_midi_event_decode(snd_midi_event_t *dev, unsigned char *buf, long count, const snd_seq_event_t *ev)
Decodes sequencer event to MIDI byte stream.
Definition: seq_midi_event.c:557
snd_midi_event_resize_buffer
int snd_midi_event_resize_buffer(snd_midi_event_t *dev, size_t bufsize)
Resizes the MIDI message encoding buffer.
Definition: seq_midi_event.c:280