/*---------------------------------------------------------------------------*
  Project:  Horizon
  File:     camera.h

  Copyright (C)2009-2012 Nintendo Co., Ltd.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

  $Rev: 46365 $
 *---------------------------------------------------------------------------*/

#ifndef NN_SAMPLE_DEMOS_DEMO1_CAMERA_H_
#define NN_SAMPLE_DEMOS_DEMO1_CAMERA_H_

#include "device.h"

// Camera image size
#define CAMERA_SIZE             nn::camera::SIZE_VGA
#define CAMERA_WIDTH            640
#define CAMERA_HEIGHT           480

// Size of camera image after trimming
#define CAMERA_IMG_WIDTH        128
#define CAMERA_IMG_HEIGHT       128


// Camera configuration
#define CAMERA_SELECT           nn::camera::SELECT_OUT1
#define CAMERA_FRAME_RATE       nn::camera::FRAME_RATE_5

// Set Y2R
#define Y2R_INPUT_FORMAT        nn::y2r::INPUT_YUV422_BATCH
#define Y2R_OUTPUT_FORMAT       nn::y2r::OUTPUT_RGB_16_565
#define Y2R_YUV_BYTES           2
#define Y2R_RGB_BYTES           2
#define Y2R_BLOCK_ALIGNMENT     nn::y2r::BLOCK_8_BY_8
#define Y2R_ROTATION            nn::y2r::ROTATION_NONE

// Set GL
#define GL_IMG_FORMAT           GL_RGB_NATIVE_DMP
#define GL_IMG_TYPE             GL_UNSIGNED_SHORT_5_6_5

// Camera event definition
enum
{
    EVENT_CAMERA_TRANSFER = 0,
    EVENT_CAMERA_ERROR,
    EVENT_CAMERA_END,
    EVENT_CAMERA_NUM
};

// Progress status of camera initial setting
enum
{
    CAMERA_STATE_NONE = 0,
    CAMERA_STATE_INITIALIZED,
    CAMERA_STATE_SET,
    CAMERA_STATE_STARTED
};

class CameraDemo : public Device
{
public:
    CameraDemo()
    {
        m_EndEvent.Initialize(false);
        m_InitializeState = CAMERA_STATE_NONE;
    }

    ~CameraDemo()
    {
        m_EndEvent.Finalize();
    }

    virtual void Initialize(demo::RenderSystemDrawing* p_RenderSystem) { Device::Initialize(p_RenderSystem); }
    void Initialize(demo::RenderSystemDrawing* p_RenderSystem, nn::fnd::ExpHeap* p_AppHeap);
    virtual void Finalize(void);

    virtual void Start(void);
    virtual void End(void);

    void TransferThreadFuncImpl(void);

    virtual void DrawFrame(void);

private:
    void CameraInitialize();
    void CameraSetting();
    bool CheckCameraResult( nn::Result result );
    void CameraInitialSequence();

    size_t m_CameraOutputSize;
    size_t m_TransferUnit;
    u32 m_Y2rOutputSize;

    nn::fnd::ExpHeap* mp_AppHeap;
    nn::os::Thread m_TransferThread;
    nn::os::Event m_TransferEvent;
    nn::os::Event m_ErrorEvent;
    nn::os::Event m_EndEvent;

    int m_InitializeState;
};


/* NN_SAMPLE_DEMOS_DEMO1_CAMERA_H_ */
#endif

/*---------------------------------------------------------------------------*
  End of file
 *---------------------------------------------------------------------------*/