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63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __AUDIO_STATS_COLLECTOR_H__
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#define __AUDIO_STATS_COLLECTOR_H__
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#include "dsp_types.hpp"
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#include "message.hpp"
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#include <cstdint>
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#include <cstddef>
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class AudioStatsCollector {
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public:
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template<typename Callback>
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void feed(const buffer_s16_t& src, Callback callback) {
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consume_audio_buffer(src);
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if( update_stats(src.count, src.sampling_rate) ) {
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callback(statistics);
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}
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}
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template<typename Callback>
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void mute(const size_t sample_count, const size_t sampling_rate, Callback callback) {
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if( update_stats(sample_count, sampling_rate) ) {
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callback(statistics);
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}
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}
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private:
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static constexpr float update_interval { 0.1f };
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uint64_t squared_sum { 0 };
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uint32_t max_squared { 0 };
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size_t count { 0 };
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AudioStatistics statistics;
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void consume_audio_buffer(const buffer_s16_t& src);
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bool update_stats(const size_t sample_count, const size_t sampling_rate);
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};
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#endif/*__AUDIO_STATS_COLLECTOR_H__*/
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