96 lines
2.2 KiB
C++
96 lines
2.2 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2021 Olive 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 AUDIOMONITORWIDGET_H
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#define AUDIOMONITORWIDGET_H
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#include <QFile>
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#include <QOpenGLWidget>
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#include <QTimer>
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#include "audio/audiovisualwaveform.h"
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#include "common/define.h"
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#include "render/audioparams.h"
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#include "render/audioplaybackcache.h"
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namespace olive {
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class AudioMonitor : public QOpenGLWidget
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{
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Q_OBJECT
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public:
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AudioMonitor(QWidget* parent = nullptr);
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bool IsPlaying() const
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{
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return file_ || waveform_;
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}
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public slots:
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void SetParams(const AudioParams& params);
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void OutputDeviceSet(AudioPlaybackCache* cache, qint64 offset, int playback_speed);
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void Stop();
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void OutputPushed(const QByteArray& d);
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void OutputAudioVisualWaveformSet(const AudioVisualWaveform *waveform, const rational& start, int playback_speed);
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protected:
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virtual void paintGL() override;
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virtual void mousePressEvent(QMouseEvent* event) override;
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private:
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void SetUpdateLoop(bool e);
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void UpdateValuesFromFile(QVector<double> &v, qint64 delta_time);
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void UpdateValuesFromWaveform(QVector<double> &v, qint64 delta_time);
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void PushValue(const QVector<double>& v);
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void BytesToSampleSummary(const QByteArray& bytes, QVector<double>& v);
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QVector<double> GetAverages() const;
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AudioParams params_;
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QIODevice* file_;
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qint64 last_time_;
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const AudioVisualWaveform* waveform_;
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rational waveform_time_;
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int playback_speed_;
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QVector< QVector<double> > values_;
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QVector<bool> peaked_;
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QPixmap cached_background_;
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int cached_channels_;
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};
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}
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#endif // AUDIOMONITORWIDGET_H
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