85 lines
3.0 KiB
C
85 lines
3.0 KiB
C
/****************************************************************************
|
|
* apps/include/audioutils/fmsynth.h
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef __INCLUDE_AUDIOUTILS_FMSYNTH_H
|
|
#define __INCLUDE_AUDIOUTILS_FMSYNTH_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <limits.h>
|
|
#include <stdint.h>
|
|
|
|
#include <audioutils/fmsynth_eg.h>
|
|
#include <audioutils/fmsynth_op.h>
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
#define FMSYNTH_MAX_VOLUME (SHRT_MAX)
|
|
|
|
/****************************************************************************
|
|
* Public Types
|
|
****************************************************************************/
|
|
|
|
typedef struct fmsynth_sound_s
|
|
{
|
|
int own_allocate;
|
|
int phase_time;
|
|
int max_phase_time;
|
|
int volume;
|
|
FAR fmsynth_op_t *operators;
|
|
|
|
FAR struct fmsynth_sound_s *next_sound;
|
|
} fmsynth_sound_t;
|
|
|
|
typedef CODE void (*fmsynth_tickcb_t)(unsigned long cbarg);
|
|
|
|
/****************************************************************************
|
|
* Public Function Prototypes
|
|
****************************************************************************/
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
int fmsynth_initialize(int fs);
|
|
FAR fmsynth_sound_t *fmsynthsnd_create(void);
|
|
FAR fmsynth_sound_t *create_fmsynthsnd(FAR fmsynth_sound_t *);
|
|
void fmsynthsnd_stop(FAR fmsynth_sound_t *snd);
|
|
void fmsynthsnd_delete(FAR fmsynth_sound_t *snd);
|
|
int fmsynthsnd_set_operator(FAR fmsynth_sound_t *snd, FAR fmsynth_op_t *op);
|
|
void fmsynthsnd_set_soundfreq(FAR fmsynth_sound_t *snd, float freq);
|
|
void fmsynthsnd_set_volume(FAR fmsynth_sound_t *snd, float vol);
|
|
int fmsynthsnd_add_subsound(FAR fmsynth_sound_t *top,
|
|
FAR fmsynth_sound_t *sub);
|
|
int fmsynth_rendering(FAR fmsynth_sound_t *snd,
|
|
FAR int16_t *sample, int sample_num, int chnum,
|
|
fmsynth_tickcb_t cb, unsigned long cbarg);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __INCLUDE_AUDIOUTILS_FMSYNTH_H */
|