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oak-editor/app/widget/audiomonitor/audiomonitor.h
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/***
Olive - Non-Linear Video Editor
Copyright (C) 2022 Olive Team
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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
***/
#ifndef AUDIOMONITORWIDGET_H
#define AUDIOMONITORWIDGET_H
#include <QFile>
#include <QOpenGLWidget>
#include <QTimer>
#include "audio/audiovisualwaveform.h"
#include "common/define.h"
#include "render/audioparams.h"
#include "render/audiowaveformcache.h"
namespace olive {
class AudioMonitor : public QOpenGLWidget
{
Q_OBJECT
public:
AudioMonitor(QWidget* parent = nullptr);
virtual ~AudioMonitor() override;
bool IsPlaying() const
{
return waveform_;
}
static void StartWaveformOnAll(const AudioWaveformCache *waveform, const rational& start, int playback_speed)
{
foreach (AudioMonitor *m, instances_) {
m->StartWaveform(waveform, start, playback_speed);
}
}
static void StopOnAll()
{
foreach (AudioMonitor *m, instances_) {
m->Stop();
}
}
static void PushSampleBufferOnAll(const SampleBuffer &d)
{
foreach (AudioMonitor *m, instances_) {
m->PushSampleBuffer(d);
}
}
public slots:
void SetParams(const AudioParams& params);
void Stop();
void PushSampleBuffer(const SampleBuffer &samples);
void StartWaveform(const AudioWaveformCache *waveform, const rational& start, int playback_speed);
protected:
virtual void paintGL() override;
virtual void mousePressEvent(QMouseEvent* event) override;
private:
void SetUpdateLoop(bool e);
void UpdateValuesFromWaveform(QVector<double> &v, qint64 delta_time);
void AudioVisualWaveformSampleToInternalValues(const AudioVisualWaveform::Sample &in, QVector<double> &out);
void PushValue(const QVector<double>& v);
void BytesToSampleSummary(const QByteArray& bytes, QVector<double>& v);
QVector<double> GetAverages() const;
AudioParams params_;
qint64 last_time_;
const AudioWaveformCache* waveform_;
rational waveform_time_;
rational waveform_length_;
int playback_speed_;
QVector< QVector<double> > values_;
QVector<bool> peaked_;
QPixmap cached_background_;
int cached_channels_;
static QVector<AudioMonitor*> instances_;
};
}
#endif // AUDIOMONITORWIDGET_H