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/****************************************************************************
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* apps/include/audioutils/fmsynth.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_AUDIOUTILS_FMSYNTH_H
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#define __INCLUDE_AUDIOUTILS_FMSYNTH_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <limits.h>
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#include <stdint.h>
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#include <audioutils/fmsynth_eg.h>
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#include <audioutils/fmsynth_op.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define FMSYNTH_MAX_VOLUME (SHRT_MAX)
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/****************************************************************************
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* Public Types
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****************************************************************************/
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typedef struct fmsynth_sound_s
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{
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2023-07-11 17:26:05 +02:00
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int own_allocate;
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2022-08-16 10:48:53 +02:00
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int phase_time;
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int max_phase_time;
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int volume;
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FAR fmsynth_op_t *operators;
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FAR struct fmsynth_sound_s *next_sound;
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} fmsynth_sound_t;
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typedef CODE void (*fmsynth_tickcb_t)(unsigned long cbarg);
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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int fmsynth_initialize(int fs);
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FAR fmsynth_sound_t *fmsynthsnd_create(void);
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2023-07-11 17:26:05 +02:00
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FAR fmsynth_sound_t *create_fmsynthsnd(FAR fmsynth_sound_t *);
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void fmsynthsnd_stop(FAR fmsynth_sound_t *snd);
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2022-08-16 10:48:53 +02:00
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void fmsynthsnd_delete(FAR fmsynth_sound_t *snd);
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int fmsynthsnd_set_operator(FAR fmsynth_sound_t *snd, FAR fmsynth_op_t *op);
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void fmsynthsnd_set_soundfreq(FAR fmsynth_sound_t *snd, float freq);
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void fmsynthsnd_set_volume(FAR fmsynth_sound_t *snd, float vol);
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int fmsynthsnd_add_subsound(FAR fmsynth_sound_t *top,
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FAR fmsynth_sound_t *sub);
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int fmsynth_rendering(FAR fmsynth_sound_t *snd,
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FAR int16_t *sample, int sample_num, int chnum,
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fmsynth_tickcb_t cb, unsigned long cbarg);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCLUDE_AUDIOUTILS_FMSYNTH_H */
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