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oak-editor/app/render/audiowaveformcache.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 AUDIOWAVEFORMCACHE_H
#define AUDIOWAVEFORMCACHE_H
#include "audio/audiovisualwaveform.h"
#include "playbackcache.h"
namespace olive {
class AudioWaveformCache : public PlaybackCache
{
Q_OBJECT
public:
AudioWaveformCache(QObject *parent = nullptr);
void WriteWaveform(const TimeRange &range, const TimeRangeList &valid_ranges, const AudioVisualWaveform *waveform);
const AudioParams &GetParameters() const { return params_; }
void SetParameters(const AudioParams &p)
{
params_ = p;
waveforms_->set_channel_count(p.channel_count());
}
void Draw(QPainter* painter, const QRect &rect, const double &scale, const rational &start_time) const;
AudioVisualWaveform::Sample GetSummaryFromTime(const rational &start, const rational &length) const;
rational length() const;
virtual void SetPassthrough(PlaybackCache *cache) override;
protected:
virtual void InvalidateEvent(const TimeRange& range) override;
private:
using WaveformPtr = std::shared_ptr<AudioVisualWaveform>;
WaveformPtr waveforms_;
AudioParams params_;
class WaveformPassthrough : public TimeRange
{
public:
WaveformPassthrough(const TimeRange &r) :
TimeRange(r)
{}
WaveformPtr waveform;
};
std::vector<WaveformPassthrough> passthroughs_;
};
}
#endif // AUDIOWAVEFORMCACHE_H