1 /* FluidSynth - A Software Synthesizer
2  *
3  * Copyright (C) 2003  Peter Hanappe and others.
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public License
7  * as published by the Free Software Foundation; either version 2 of
8  * the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public
16  * License along with this library; if not, write to the Free
17  * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18  * 02110-1301, USA
19  */
20 
21 
22 #ifndef _FLUID_EVENT_PRIV_H
23 #define _FLUID_EVENT_PRIV_H
24 
25 #include "fluidsynth.h"
26 #include "fluid_sys.h"
27 
28 /* Private data for event */
29 /* ?? should be optimized in size, using unions */
30 struct _fluid_event_t {
31 	unsigned int time;
32 	int type;
33 	short src;
34 	short dest;
35 	int channel;
36 	short key;
37 	short vel;
38 	short control;
39 	short value;
40 	short id; //?? unused ?
41 	int pitch;
42 	unsigned int duration;
43 	void* data;
44 };
45 
46 unsigned int fluid_event_get_time(fluid_event_t* evt);
47 void fluid_event_set_time(fluid_event_t* evt, unsigned int time);
48 
49 void fluid_event_clear(fluid_event_t* evt);
50 
51 /* private data for sorter + heap */
52 enum fluid_evt_entry_type {
53   FLUID_EVT_ENTRY_INSERT = 0,
54   FLUID_EVT_ENTRY_REMOVE
55 };
56 
57 typedef struct _fluid_evt_entry fluid_evt_entry;
58 struct _fluid_evt_entry {
59 	fluid_evt_entry *next;
60 	short entryType;
61 	fluid_event_t evt;
62 };
63 
64 #define HEAP_WITH_DYNALLOC 1
65 /* #undef HEAP_WITH_DYNALLOC */
66 
67 typedef struct _fluid_evt_heap_t {
68 #ifdef HEAP_WITH_DYNALLOC
69   fluid_evt_entry* freelist;
70   fluid_mutex_t mutex;
71 #else
72 	fluid_evt_entry* head;
73 	fluid_evt_entry* tail;
74 	fluid_evt_entry pool;
75 #endif
76 } fluid_evt_heap_t;
77 
78 fluid_evt_heap_t* _fluid_evt_heap_init(int nbEvents);
79 void _fluid_evt_heap_free(fluid_evt_heap_t* heap);
80 fluid_evt_entry* _fluid_seq_heap_get_free(fluid_evt_heap_t* heap);
81 void _fluid_seq_heap_set_free(fluid_evt_heap_t* heap, fluid_evt_entry* evt);
82 
83 #endif /* _FLUID_EVENT_PRIV_H */
84