116 lines
4.0 KiB
C
116 lines
4.0 KiB
C
/* 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
|
|
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
* 02110-1301, USA
|
|
*/
|
|
|
|
|
|
#ifndef _FLUID_RVOICE_EVENT_H
|
|
#define _FLUID_RVOICE_EVENT_H
|
|
|
|
#include "fluidsynth_priv.h"
|
|
#include "fluid_rvoice_mixer.h"
|
|
#include "fluid_ringbuffer.h"
|
|
|
|
#define EVENT_REAL_PARAMS (5)
|
|
|
|
typedef struct _fluid_rvoice_event_t fluid_rvoice_event_t;
|
|
typedef struct _fluid_rvoice_eventhandler_t fluid_rvoice_eventhandler_t;
|
|
|
|
struct _fluid_rvoice_event_t {
|
|
void* method;
|
|
void* object;
|
|
void* ptr;
|
|
int intparam;
|
|
fluid_real_t realparams[EVENT_REAL_PARAMS];
|
|
};
|
|
|
|
void fluid_rvoice_event_dispatch(fluid_rvoice_event_t* event);
|
|
|
|
|
|
/**
|
|
* Bridge between the renderer thread and the midi state thread.
|
|
* If is_threadsafe is true, that means fluid_rvoice_eventhandler_fetch_all
|
|
* can be called in parallell with fluid_rvoice_eventhandler_push/flush
|
|
*/
|
|
struct _fluid_rvoice_eventhandler_t {
|
|
int is_threadsafe; /* False for optimal performance, true for atomic operations */
|
|
fluid_ringbuffer_t* queue; /**< List of fluid_rvoice_event_t */
|
|
int queue_stored; /**< Extras pushed but not flushed */
|
|
fluid_ringbuffer_t* finished_voices; /**< return queue from handler, list of fluid_rvoice_t* */
|
|
fluid_rvoice_mixer_t* mixer;
|
|
};
|
|
|
|
fluid_rvoice_eventhandler_t* new_fluid_rvoice_eventhandler(
|
|
int is_threadsafe, int queuesize, int finished_voices_size, int bufs,
|
|
int fx_bufs, fluid_real_t sample_rate);
|
|
|
|
void delete_fluid_rvoice_eventhandler(fluid_rvoice_eventhandler_t*);
|
|
|
|
int fluid_rvoice_eventhandler_dispatch_all(fluid_rvoice_eventhandler_t*);
|
|
int fluid_rvoice_eventhandler_dispatch_count(fluid_rvoice_eventhandler_t*);
|
|
|
|
static FLUID_INLINE void
|
|
fluid_rvoice_eventhandler_flush(fluid_rvoice_eventhandler_t* handler)
|
|
{
|
|
if (handler->queue_stored > 0) {
|
|
fluid_ringbuffer_next_inptr(handler->queue, handler->queue_stored);
|
|
handler->queue_stored = 0;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @return next finished voice, or NULL if nothing in queue
|
|
*/
|
|
static FLUID_INLINE fluid_rvoice_t*
|
|
fluid_rvoice_eventhandler_get_finished_voice(fluid_rvoice_eventhandler_t* handler)
|
|
{
|
|
void* result = fluid_ringbuffer_get_outptr(handler->finished_voices);
|
|
if (result == NULL) return NULL;
|
|
result = * (fluid_rvoice_t**) result;
|
|
fluid_ringbuffer_next_outptr(handler->finished_voices);
|
|
return result;
|
|
}
|
|
|
|
|
|
int fluid_rvoice_eventhandler_push(fluid_rvoice_eventhandler_t* handler,
|
|
void* method, void* object, int intparam,
|
|
fluid_real_t realparam);
|
|
|
|
int fluid_rvoice_eventhandler_push_ptr(fluid_rvoice_eventhandler_t* handler,
|
|
void* method, void* object, void* ptr);
|
|
|
|
int fluid_rvoice_eventhandler_push5(fluid_rvoice_eventhandler_t* handler,
|
|
void* method, void* object, int intparam,
|
|
fluid_real_t r1, fluid_real_t r2,
|
|
fluid_real_t r3, fluid_real_t r4, fluid_real_t r5);
|
|
|
|
static FLUID_INLINE void
|
|
fluid_rvoice_eventhandler_add_rvoice(fluid_rvoice_eventhandler_t* handler,
|
|
fluid_rvoice_t* rvoice)
|
|
{
|
|
if (handler->is_threadsafe)
|
|
fluid_rvoice_eventhandler_push_ptr(handler, fluid_rvoice_mixer_add_voice,
|
|
handler->mixer, rvoice);
|
|
else
|
|
fluid_rvoice_mixer_add_voice(handler->mixer, rvoice);
|
|
}
|
|
|
|
|
|
|
|
#endif
|