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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"
//#define AVW_USE_LIST
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;
private:
#ifdef AVW_USE_LIST
class TimeRangeWithWaveform : public TimeRange
{
public:
TimeRangeWithWaveform() = default;
TimeRangeWithWaveform(const TimeRange &r) :
TimeRange(r)
{
}
void set_in(const rational& in)
{
waveform.TrimIn(in - this->in());
TimeRange::set_in(in);
}
void set_out(const rational& out)
{
waveform.Resize(out - this->in());
TimeRange::set_out(out);
}
void set_range(const rational& in, const rational& out)
{
waveform.TrimRange(in, out-in);
TimeRange::set_range(in, out);
}
AudioVisualWaveform waveform;
};
QVector<TimeRangeWithWaveform> waveforms_;
#else
AudioVisualWaveform waveforms_;
#endif
AudioParams params_;
};
}
#endif // AUDIOWAVEFORMCACHE_H