#ifndef AUDIORENDERBACKEND_H
#define AUDIORENDERBACKEND_H

#include "common/timerange.h"
#include "renderbackend.h"

class AudioRenderBackend : public RenderBackend
{
  Q_OBJECT
public:
  AudioRenderBackend(QObject* parent = nullptr);

  /**
   * @brief Set parameters of the Renderer
   *
   * The Renderer owns the buffers that are used in the rendering process and this function sets the kind of buffers
   * to use. The Renderer must be stopped when calling this function.
   */
  void SetParameters(const AudioRenderingParams &params);

public slots:
  virtual void InvalidateCache(const rational &start_range, const rational &end_range) override;

protected:
  virtual void ViewerNodeChangedEvent(ViewerOutput* node) override;

  /**
   * @brief Internal function for generating the cache ID
   */
  virtual bool GenerateCacheIDInternal(QCryptographicHash& hash) override;

  //virtual void CacheIDChangedEvent(const QString& id) override;

private:
  void ValidateRanges();

  TimeRange CombineRange(const TimeRange& a, const TimeRange& b);

  bool RangesOverlap(const TimeRange& a, const TimeRange& b);

  AudioRenderingParams params_;

  QByteArray pcm_data_;

};

#endif // AUDIORENDERBACKEND_H