portapack-mayhem/firmware/baseband/audio_stats_collector.hpp
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/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
*
* This file is part of PortaPack.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __AUDIO_STATS_COLLECTOR_H__
#define __AUDIO_STATS_COLLECTOR_H__
#include "dsp_types.hpp"
#include "message.hpp"
#include <cstdint>
#include <cstddef>
class AudioStatsCollector {
public:
template <typename Callback>
void feed(const buffer_f32_t& src, Callback callback) {
if (feed(src)) {
callback(statistics);
}
}
template <typename Callback>
void mute(const size_t sample_count, const size_t sampling_rate, Callback callback) {
if (mute(sample_count, sampling_rate)) {
callback(statistics);
}
}
private:
static constexpr float update_interval{0.1f};
float squared_sum{0};
float max_squared{0};
size_t count{0};
AudioStatistics statistics{};
void consume_audio_buffer(const buffer_f32_t& src);
bool update_stats(const size_t sample_count, const size_t sampling_rate);
bool feed(const buffer_f32_t& src);
bool mute(const size_t sample_count, const size_t sampling_rate);
};
#endif /*__AUDIO_STATS_COLLECTOR_H__*/