src/pp/PostProcess.h

   1 /*******************************************************************************
   2  *         File : src/pp/PostProcess.h
   3  *
   4  *       Author : Henry He
   5  *      Created : Fri 30 Oct 2009 01:03:11 PM CST
   6  *  Description :
   7  ******************************************************************************/
   8
   9 #ifndef __POSTPROCESS_INC_20091030_130311_HENRY__
  10 #define __POSTPROCESS_INC_20091030_130311_HENRY__
  11
  12
  13 /*******************************************************************************
  14  * Desc : Includes Files
  15  ******************************************************************************/
  16 #include  "utils/common.h"
  17 #include  "pp/s3c_pp.h"
  18
  19
  20 /*******************************************************************************
  21  * Desc : Macro Definations
  22  ******************************************************************************/
  23
  24
  25 //===========================  Error Code  =====================================
  26
  27 #define POST_PROCESSOR_ERR_FAILED          (-1)
  28 #define POST_PROCESSOR_ERR_NOT_CREATED     (-2)
  29 #define POST_PROCESSOR_ERR_ALREADY_CREATED (-3)
  30 #define POST_PROCESSOR_ERR_CANT_CREATE     (-4)
  31
  32
  33
  34 /*******************************************************************************
  35  * Desc : Type Definations
  36  ******************************************************************************/
  37
  38
  39 /*******************************************************************************
  40  * Desc : Global Variables
  41  ******************************************************************************/
  42
  43
  44 /*******************************************************************************
  45  * Desc : Functions
  46  ******************************************************************************/
  47
  48
  49
  50
  51 /******************************************************************************
  52  * Class : PostProcessor
  53  * Desc  : Simple wrapper of /dev/misc/s3c-pp
  54  ******************************************************************************/
  55
  56 class PostProcessor
  57 {
  58
  59   public:
  60
  61     // ====================  LIFECYCLE    =========================================
  62
  63     // Constructor of PostProcessor
  64     PostProcessor ();
  65
  66     // Decontructor of PostProcessor
  67     ~ PostProcessor ();
  68
  69
  70   public:
  71
  72     // ====================  OPERATORS    =========================================
  73
  74     // ====================  OPERATIONS   =========================================
  75
  76     // Create instance of PostProcessor
  77     int Create (const char *pcDevPath);
  78
  79     // Destroy this instance
  80     void Destroy ();
  81
  82     // Set most parameter of /dev/misc/s3c-pp
  83     int SetParam (
  84         UINT32 unSrcWidthFull, UINT32 unSrcHeightFull,
  85         UINT32 unSrcX, UINT32 unSrcY,
  86         UINT32 unSrcWidth, UINT32 unSrcHeight, UINT32 unSrcColorSpace,
  87         UINT32 unDstWidthFull, UINT32 unDstHeightFull,
  88         UINT32 unDstX, UINT32 unDstY,
  89         UINT32 unDstWidth, UINT32 unDstHeight, UINT32 unDstColorSpace);
  90
  91     // Convert and copy from pvSrcBuf to pvDstBuf (must be DMA memory space)
  92     int Process (void * pvSrcBuf, void *pvDstBuf);
  93
  94     // ====================  ACCESS       =========================================
  95
  96
  97   private:
  98
  99     // ====================  OPERATIONS   =========================================
 100
 101
 102   private:
 103
 104     // ====================  MEMBER DATA  =========================================
 105
 106     // Mutex of this instance
 107     HLH_Mutex                 m_zhmMutex;
 108
 109     // Whether this instance created
 110     bool                      m_bCreated;
 111
 112     // File discriptor of /dev/misc/s3c-pp
 113     int                       m_fdPP;
 114
 115     // Whether parameter has been set
 116     bool                      m_bSetParam;
 117
 118     // Parameter of /dev/misc/s3c-pp
 119     s3c_pp_params_t           m_zspParam;
 120
 121
 122 };  // -----  end of class  PostProcessor  -----
 123
 124
 125
 126 #endif /* __POSTPROCESS_INC_20091030_130311_HENRY__ */