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/*
* Copyright © 2017 Intel Corporation
*
* 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 (including the next
* paragraph) 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.
*
* Authors:
* Paul Kocialkowski <paul.kocialkowski@linux.intel.com>
*/
#ifndef IGT_AUDIO_H
#define IGT_AUDIO_H
#include "config.h"
#include <stdbool.h>
#include <stdint.h>
struct audio_signal;
struct audio_signal *audio_signal_init(int channels, int sampling_rate);
void audio_signal_fini(struct audio_signal *signal);
int audio_signal_add_frequency(struct audio_signal *signal, int frequency,
int channel);
void audio_signal_synthesize(struct audio_signal *signal);
void audio_signal_reset(struct audio_signal *signal);
void audio_signal_fill(struct audio_signal *signal, int16_t *buffer,
size_t buffer_len);
bool audio_signal_detect(struct audio_signal *signal, int sampling_rate,
int channel, double *data, size_t data_len);
size_t audio_extract_channel_s32_le(double *dst, size_t dst_cap,
int32_t *src, size_t src_len,
int n_channels, int channel);
int audio_create_wav_file_s32_le(const char *qualifier, uint32_t sample_rate,
uint16_t channels, char **path);
#endif
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