58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
/***
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Oak - Non-Linear Video Editor
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Copyright (C) 2026 Oak Team
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef AUDIOLEVELMETER_H
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#define AUDIOLEVELMETER_H
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#include <QVector>
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#include "olive/core/render/samplebuffer.h"
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namespace olive
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{
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class AudioLevelMeter {
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public:
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struct ChannelStats {
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double peak_linear = 0.0;
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double peak_db = -200.0;
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double rms_linear = 0.0;
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double rms_db = -200.0;
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double vu_db = -200.0;
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};
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struct Stats {
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QVector<ChannelStats> channels;
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double max_peak_linear = 0.0;
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double integrated_lufs = -200.0;
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bool silence = true;
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};
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static Stats AnalyzeSampleBuffer(const core::SampleBuffer &samples);
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private:
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static double LinearToDb(double linear);
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static double PowerToLufs(double mean_square);
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};
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}
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#endif // AUDIOLEVELMETER_H
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