CameraPreviewWidget.hpp

#pragma once
#include <QWidget>
 
#include <score_plugin_gfx_export.h>
 
#include <memory>
 
namespace Video
{
class ExternalInput;
struct VideoMetadata;
}
 
namespace score::gfx
{
struct Graph;
class CameraNode;
}
 
namespace Gfx
{
class RhiPreviewWidget;
 
class SCORE_PLUGIN_GFX_EXPORT CameraPreviewWidget : public QWidget
{
public:
  explicit CameraPreviewWidget(QWidget* parent = nullptr);
  ~CameraPreviewWidget() override;
 
  void setInput(std::shared_ptr<Video::ExternalInput> input);
  void clear();
 
  const Video::VideoMetadata* metadata() const noexcept;
 
private:
  void timerEvent(QTimerEvent* ev) override;
  void attach();
 
  RhiPreviewWidget* m_rhi{};
  std::unique_ptr<score::gfx::Graph> m_graph;
  std::unique_ptr<score::gfx::CameraNode> m_node;
  std::shared_ptr<Video::ExternalInput> m_input;
  int m_timerId{};
};
}