58 lines
1.5 KiB
C++
58 lines
1.5 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 AUDIOWAVEFORMSYNC_H
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#define AUDIOWAVEFORMSYNC_H
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#include <cstdint>
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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 AudioWaveformSync {
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public:
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struct OffsetResult {
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int64_t offset_samples = 0;
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double confidence = 0.0;
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bool valid = false;
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};
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static QVector<double> ExtractRmsEnvelope(const core::SampleBuffer &samples,
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size_t window_samples);
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static OffsetResult EstimateOffset(const core::SampleBuffer &reference,
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const core::SampleBuffer &candidate,
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size_t window_samples,
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int64_t max_offset_samples);
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static OffsetResult EstimateEnvelopeOffset(const QVector<double> &reference,
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const QVector<double> &candidate,
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size_t window_samples,
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int64_t max_offset_windows);
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};
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}
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#endif // AUDIOWAVEFORMSYNC_H
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