/***

  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