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oak-editor/app/render/previewaudiodevice.h
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2026-01-16 21:22:05 +08:00

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/***
Olive - Non-Linear Video Editor
Copyright (C) 2022 Olive Team
Modifications Copyright (C) 2025 mikesolar
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 PREVIEWAUDIODEVICE_H
#define PREVIEWAUDIODEVICE_H
#include "previewautocacher.h"
namespace olive
{
class PreviewAudioDevice : public QIODevice {
Q_OBJECT
public:
PreviewAudioDevice(QObject *parent = nullptr);
virtual ~PreviewAudioDevice() override;
void StartQueuing();
virtual bool isSequential() const override;
virtual qint64 readData(char *data, qint64 maxSize) override;
virtual qint64 writeData(const char *data, qint64 length) override;
int bytes_per_frame() const
{
return bytes_per_frame_;
}
void set_bytes_per_frame(int b)
{
bytes_per_frame_ = b;
}
void set_notify_interval(qint64 i)
{
notify_interval_ = i;
}
void clear();
signals:
void Notify();
private:
QMutex lock_;
QByteArray buffer_;
int bytes_per_frame_;
qint64 notify_interval_;
qint64 bytes_read_;
};
}
#endif // PREVIEWAUDIODEVICE_H