fluid_event_priv.h
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上传日期:2020-08-17
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- /* FluidSynth - A Software Synthesizer
- *
- * Copyright (C) 2003 Peter Hanappe and others.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public License
- * as published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- * 02111-1307, USA
- */
- #ifndef _FLUID_EVENT_PRIV_H
- #define _FLUID_EVENT_PRIV_H
- #include "fluidsynth.h"
- #include "fluid_sys.h"
- /* Private data for event */
- /* ?? should be optimized in size, using unions */
- struct _fluid_event_t {
- unsigned int time;
- int type;
- short src;
- short dest;
- int channel;
- short key;
- short vel;
- short control;
- short value;
- short id; //?? unused ?
- int pitch;
- unsigned int duration;
- void* data;
- };
- unsigned int fluid_event_get_time(fluid_event_t* evt);
- void fluid_event_set_time(fluid_event_t* evt, unsigned int time);
- void fluid_event_clear(fluid_event_t* evt);
- /* private data for sorter + heap */
- enum fluid_evt_entry_type {
- FLUID_EVT_ENTRY_INSERT = 0,
- FLUID_EVT_ENTRY_REMOVE
- };
- typedef struct _fluid_evt_entry fluid_evt_entry;
- struct _fluid_evt_entry {
- fluid_evt_entry *next;
- short entryType;
- fluid_event_t evt;
- };
- #define HEAP_WITH_DYNALLOC 1
- /* #undef HEAP_WITH_DYNALLOC */
- typedef struct _fluid_evt_heap_t {
- #ifdef HEAP_WITH_DYNALLOC
- fluid_evt_entry* freelist;
- fluid_mutex_t mutex;
- #else
- fluid_evt_entry* head;
- fluid_evt_entry* tail;
- fluid_evt_entry pool;
- #endif
- } fluid_evt_heap_t;
- fluid_evt_heap_t* _fluid_evt_heap_init(int nbEvents);
- void _fluid_evt_heap_free(fluid_evt_heap_t* heap);
- fluid_evt_entry* _fluid_seq_heap_get_free(fluid_evt_heap_t* heap);
- void _fluid_seq_heap_set_free(fluid_evt_heap_t* heap, fluid_evt_entry* evt);
- #endif /* _FLUID_EVENT_PRIV_H */