camera/QCamera2/util/QCameraFlash.h

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#ifndef __QCAMERA_FLASH_H__
#define __QCAMERA_FLASH_H__

#include <hardware/camera_common.h>

extern "C" {
#include <mm_camera_interface.h>
}

namespace qcamera {

#define QCAMERA_TORCH_CURRENT_VALUE 200

class QCameraFlash {
public:
    static QCameraFlash& getInstance();

    int32_t registerCallbacks(const camera_module_callbacks_t* callbacks);
    int32_t initFlash(const int camera_id);
    int32_t setFlashMode(const int camera_id, const bool on);
    int32_t deinitFlash(const int camera_id);
    int32_t reserveFlashForCamera(const int camera_id);
    int32_t releaseFlashFromCamera(const int camera_id);

private:
    QCameraFlash();
    virtual ~QCameraFlash();
    QCameraFlash(const QCameraFlash&);
    QCameraFlash& operator=(const QCameraFlash&);

    const camera_module_callbacks_t *m_callbacks;
    int32_t m_flashFds[MM_CAMERA_MAX_NUM_SENSORS];
    bool m_flashOn[MM_CAMERA_MAX_NUM_SENSORS];
    bool m_cameraOpen[MM_CAMERA_MAX_NUM_SENSORS];
};

}; // namespace qcamera

#endif /* __QCAMERA_FLASH_H__ */