/***

  Olive - Non-Linear Video Editor
  Copyright (C) 2019 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 AUDIORENDERTHREAD_H
#define AUDIORENDERTHREAD_H

#include <memory>
#include <QMutex>
#include <QThread>
#include <QWaitCondition>

#include "audioparams.h"
#include "node/node.h"

class AudioRendererThreadBase : public QThread
{
  Q_OBJECT
public:
  AudioRendererThreadBase(const AudioRenderingParams &params);

  AudioParams* params();

  void StartThread(Priority priority = InheritPriority);

  virtual void run() override;

public slots:
  virtual void Cancel() = 0;

protected:
  virtual void ProcessLoop() = 0;

  QWaitCondition wait_cond_;

  QMutex mutex_;

  QMutex caller_mutex_;

private:
  void WakeCaller();

  AudioRenderingParams params_;

};

using AudioRendererThreadPtr = std::shared_ptr<AudioRendererThreadBase>;

#endif // AUDIORENDERTHREAD_H