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/* SPDX-License-Identifier: MIT */
/*
* konmic.h
*
* Copyright (c) 2026 KonAki
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef KONMIC_H
#define KONMIC_H
#include <stdint.h>
#include "konassets.h"
#ifdef __cplusplus
extern "C" {
#endif
/*** definition ***/
typedef struct kon_mic kon_mic_t;
/* opens the default capture device in mono. keeps the last historySeconds of sound around.
returns NULL when there is no mic or the system says no */
kon_mic_t *kon_micCreate(uint32_t sampleRate, float historySeconds);
/* no device. you push samples yourself with kon_micFeed, for tests or recorded input */
kon_mic_t *kon_micCreateOffline(uint32_t sampleRate, float historySeconds);
void kon_micDestroy(kon_mic_t *mic);
uint32_t kon_micRate(const kon_mic_t *mic);
/* mono float samples. the device calls this, offline you call it */
void kon_micFeed(kon_mic_t *mic, const float *samples, uint32_t count);
/* multiplies what comes in, 1 by default */
void kon_micSetGain(kon_mic_t *mic, float gain);
/* a muted mic hears silence, level and talking drop to zero */
void kon_micMute(kon_mic_t *mic, int muted);
/* talking is true while the sound is over threshold, and for holdSeconds after it drops.
defaults are 0.02 and 0.25 */
void kon_micSetTalking(kon_mic_t *mic, float threshold, float holdSeconds);
/* how loud it is right now, 0 to 1. rises fast and falls slowly so it works for a mouth */
float kon_micLevel(kon_mic_t *mic);
int kon_micTalking(kon_mic_t *mic);
/* the last few seconds as a sound you can hand to konaudio. NULL when nothing was heard yet.
it is a single allocation, free() it when you are done */
kon_sound_t *kon_micSnapshot(kon_mic_t *mic, float seconds);
#ifdef __cplusplus
}
#endif
#endif
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