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1 | #ifndef __SOUND_SEQ_VIRMIDI_H |
2 | #define __SOUND_SEQ_VIRMIDI_H | |
3 | ||
4 | /* | |
5 | * Virtual Raw MIDI client on Sequencer | |
6 | * Copyright (c) 2000 by Takashi Iwai <tiwai@suse.de>, | |
7 | * Jaroslav Kysela <perex@suse.cz> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | */ | |
24 | ||
25 | #include "rawmidi.h" | |
26 | #include "seq_midi_event.h" | |
27 | ||
28 | typedef struct _snd_virmidi_dev snd_virmidi_dev_t; | |
29 | ||
30 | /* | |
31 | * device file instance: | |
32 | * This instance is created at each time the midi device file is | |
33 | * opened. Each instance has its own input buffer and MIDI parser | |
34 | * (buffer), and is associated with the device instance. | |
35 | */ | |
36 | typedef struct _snd_virmidi { | |
37 | struct list_head list; | |
38 | int seq_mode; | |
39 | int client; | |
40 | int port; | |
41 | unsigned int trigger: 1; | |
42 | snd_midi_event_t *parser; | |
43 | snd_seq_event_t event; | |
44 | snd_virmidi_dev_t *rdev; | |
45 | snd_rawmidi_substream_t *substream; | |
46 | } snd_virmidi_t; | |
47 | ||
48 | #define SNDRV_VIRMIDI_SUBSCRIBE (1<<0) | |
49 | #define SNDRV_VIRMIDI_USE (1<<1) | |
50 | ||
51 | /* | |
52 | * device record: | |
53 | * Each virtual midi device has one device instance. It contains | |
54 | * common information and the linked-list of opened files, | |
55 | */ | |
56 | struct _snd_virmidi_dev { | |
57 | snd_card_t *card; /* associated card */ | |
58 | snd_rawmidi_t *rmidi; /* rawmidi device */ | |
59 | int seq_mode; /* SNDRV_VIRMIDI_XXX */ | |
60 | int device; /* sequencer device */ | |
61 | int client; /* created/attached client */ | |
62 | int port; /* created/attached port */ | |
63 | unsigned int flags; /* SNDRV_VIRMIDI_* */ | |
64 | rwlock_t filelist_lock; | |
65 | struct list_head filelist; | |
66 | }; | |
67 | ||
68 | /* sequencer mode: | |
69 | * ATTACH = input/output events from midi device are routed to the | |
70 | * attached sequencer port. sequencer port is not created | |
71 | * by virmidi itself. | |
72 | * the input to rawmidi must be processed by passing the | |
73 | * incoming events via snd_virmidi_receive() | |
74 | * DISPATCH = input/output events are routed to subscribers. | |
75 | * sequencer port is created in virmidi. | |
76 | */ | |
77 | #define SNDRV_VIRMIDI_SEQ_NONE 0 | |
78 | #define SNDRV_VIRMIDI_SEQ_ATTACH 1 | |
79 | #define SNDRV_VIRMIDI_SEQ_DISPATCH 2 | |
80 | ||
81 | int snd_virmidi_new(snd_card_t *card, int device, snd_rawmidi_t **rrmidi); | |
1da177e4 LT |
82 | |
83 | #endif /* __SOUND_SEQ_VIRMIDI */ |