jpegdec.h

ct952 source code use for Digital Frame Photo

//tommy1.50: adjust for modifications on CT909S' JPU HEIWID_SRC and HEIWID_DST registers
#define TRANS_HEIWID_REG(width,height)      (((width) << 16) | (height))

// calculate value for JPU's stripe register
//tommy1.50: adjust for modifications on CT909S' JPU STRIPE_RW register
#define GET_STRIPE(src)                     (((src) + 15) >> 4)
#define GET_STRIPE_UV(src)                  (((src) +  7) >> 3)
#define TRANS_STRIPE_REG(src,dst)           ((GET_STRIPE(src)    << 16) | (GET_STRIPE(dst)))
#define TRANS_STRIPE_REG_UV(src,dst)        ((GET_STRIPE_UV(src) << 16) | (GET_STRIPE_UV(dst)))

// calculate starting address of write data for flip & rotate operation (of YUV420)
// translation expression is from D400/Raiden.
// block address * 8 = byte address
//
//tommy1.50: adjust for modifications on CT909S' JPU STRIPE definition
//tommy2.03: update FR_OFFSET expressions (for SAMPLE420 format only)
#define TRANS_FR_OFFSET_Y(width,x,y)        (((((y) >> 4) * (GET_STRIPE(width) << 6)) + ((y) % 16) + (((x) >> 2) << 4)) << 2)
//version1: use Y's width & height (use real width)
#define TRANS_FR_OFFSET_UV(width,x,y)       ((((((y) >> 1) >> 4) * (GET_STRIPE_UV(width >> 1) << 6)) + (((y) >> 1) % 16) + ((((x) >> 1) >> 3) << 6) + (((((x) >> 1) % 8) >> 2) << 4)) << 2)
//version2: use UV's actual width & height (but use real width)
#define TRANS_FR_OFFSET_UV2(width,x,y)      (((((y) >> 4) * (GET_STRIPE_UV(width >> 1) << 6)) + ((y) % 16) + (((x) >> 3) << 6) + ((((x) % 8) >> 2) << 4)) << 2) 




//#ifdef CT909P_IC_SYSTEM
#if defined(CT909P_IC_SYSTEM ) || defined(CT909G_IC_SYSTEM)

#define GET_SCALE_FACTOR(src,dst,uv)            (((((src)) - ((src) < (dst))) << 13) / (((dst)) - ((src) < (dst))))
//senshong:Because 909p jpu has one bug that can cause jpu infinite operate
//So we calculate horizontal step that must use ((src -1)<<13)/(dst -1) formula
#define GET_SCALE_FACTOR2(src,dst)              ((((src) - 1) << 13) / ((dst) - 1))
#define TRANS_HVSC_REG(srcW,srcH,dstW,dstH,uv)  ((GET_SCALE_FACTOR(srcH,dstH,uv) << 16) | (GET_SCALE_FACTOR2(srcW,dstW)))

#else
// calculate a 32-bit word of veritical & horizontal steps for JPU's HVSC factor register.
//
//#define GET_SCALE_FACTOR(src,dst,uv)            (((((src) / ((uv) + 1)) - ((src) < (dst))) << 13) / (((dst) / ((uv) + 1)) - ((src) < (dst))))
#define GET_SCALE_FACTOR(src,dst,uv)            (((((src)) - ((src) < (dst))) << 13) / (((dst)) - ((src) < (dst))))
#define TRANS_HVSC_REG(srcW,srcH,dstW,dstH,uv)  ((GET_SCALE_FACTOR(srcH,dstH,uv) << 16) | (GET_SCALE_FACTOR(srcW,dstW,uv)))

//senshong2.51:909P has be fixed for jpu scale down defect
//#ifndef CT909P_IC_SYSTEM
//tommy2.11: fix for JPU scale down defect
#ifdef PATCH_CT909S_JPU_SCALE_DOWN
    #define GET_SCALE_FACTOR2(src,dst)              ((((src) - 1) << 13) / ((dst) - 1))
    //#define GET_SCALE_FACTOR2(src,dst,uv)              (((((src) /((uv)+1)) - 1) << 13) / (((dst) / ((uv) + 1)) - 1))
    //tommy2.11: patch for horizontal only
    #define TRANS_HVSC_REG2(srcW,srcH,dstW,dstH,uv) ((GET_SCALE_FACTOR(srcH,dstH,uv) << 16) | (GET_SCALE_FACTOR2(srcW,dstW)))
    #define FIX_JPU_SCALE_DEFECT(srcW,srcH,dstW,dstH,uv)    if ((srcW) > (dstW))                                                                    \
                                                            {                                                                                       \
                                                                DWORD check_value = (((srcW) << 13) / (dstW)) * ((dstW) - 1);                       \
                                                                if ((0x6000 == (check_value & 0x6000)) && (0 != (check_value & 0x1fff)))            \
                                                                {                                                                                   \
                                                                    REG_JPU_HVSC_FACTOR = TRANS_HVSC_REG2(srcW, srcH, dstW, dstH, uv);              \
                                                                }                                                                                   \
                                                            }

    #define FIX_JPU_SCALE_DEFFECT_H_STEP(srcW,dstW,HStep)			if ((srcW) > (dstW))                                                            \
                                                            {                                                                                       \
                                                                DWORD check_value = (((srcW) << 13) / (dstW)) * ((dstW) - 1);                       \
                                                                if ((0x6000 == (check_value & 0x6000)) && (0 != (check_value & 0x1fff)))            \
                                                                {                                                                                   \
                                                                    HStep = GET_SCALE_FACTOR2(srcW,dstW);											\
                                                                }                                                                                   \
                                                            }
//tommy2.16: error message removed. DBG_Printf(DBG_THREAD_DECODER, DBG_INFO_PRINTF, "PATCH: H part of HVSC_FACTOR.");
#else   //PATCH_CT909S_JPU_SCALE_DOWN
    //#define FIX_JPU_SCALE_DEFECT(srcW,srcH,dstW,dstH,uv)    
    #define FIX_JPU_SCALE_DEFECT(srcW,srcH,dstW,dstH)    
#endif  //PATCH_CT909S_JPU_SCALE_DOWN

#endif//#ifdef CT909P_IC_SYSTEM




//tommy1.50: support CT909S
#define MACRO_RESET_JPU()       REG_PLAT_RESET_CONTROL_ENABLE  = PLAT_RESET_VPU_ENABLE;     \
                                REG_PLAT_RESET_CONTROL_DISABLE = PLAT_RESET_VPU_DISABLE;

// --------------------
// local declarations
// --------------------
// sampling types
//
#define SAMPLE420			0
#define SAMPLE440			1
#define SAMPLE422			2
#define SAMPLE444			3
#define SAMPLE400			4

// flip & rotate types
//
#define FR_ORIGINAL			0
#define FR_R90				1
#define FR_R180				2
#define FR_R270				3
#define FR_FH				4
#define FR_FH_R90			5
#define FR_FH_R180			6
#define FR_FH_R270			7

// block parts
//
#define BLOCK_Y				0
#define BLOCK_UV			1
#define BLOCK_ALL			2

// parse type
#define  JPEG_PARSE_TYPE_NORMAL		0
#define  JPEG_PARSE_TYPE_THUMBNAIL	1
#define  JPEG_PARSE_TYPE_THUMB_ENCODE      2
#define  JPEG_PARSE_TYPE_THUMB_BACKGROUND 3

#define	 JPEG_SLIDESHOW_ENCODE_NONE	0
#define	 JPEG_SLIDESHOW_ENCODE	1
// local function prototypes
//

// JPEG Decoder entrance for eCos thread
VOID JPEG_ThreadMain(DWORD data);
VOID JPEG_ThreadExit(WORD data);
VOID JPEG_ThreadInit(VOID);

// JPU PART
VOID _JPEGDEC_InitJPU(VOID);
WORD _JPEGDEC_RunJPU(VOID);
DWORD _JPEGDEC_GetBlockSize(WORD width, WORD height, WORD uv);
DWORD _JPEGDEC_GetDispFrameOffset(WORD x, WORD y, WORD uv);
DWORD _JPEGDEC_GetNormFrameOffset(WORD width, WORD x, WORD y, WORD uv);
VOID _JPEGDEC_ClearBuffBeforeOperate(WORD wMatchingRule, WORD bFrameBuffer);

// JPEG Decoder wrapper
WORD _JPEGDEC_Decode(PJPEGDECODE pDecode);
WORD _JPEGDEC_Operate(PJPEGSCALING pScaling);
WORD _JPEGDEC_PresetFrameBuf(WORD wBuffer, URECT *pRect, DWORD dwColor);

//tommy2.15: dedicated structure for JPUUTIL API and 16M solution
typedef struct tagJPU_OPZONE
{
    WORD    wPosCoordH;
    WORD    wPosCoordV;
    WORD    wWidth;
    WORD    wHeight;
    WORD    wFrameStripe;
} JPU_OPZONE, *PJPU_OPZONE;

typedef struct tagJPEG_ENCODE_INFO
{
    DWORD dwPicAddrY;
    DWORD dwPicAddrUV;
    DWORD dwPoolAddrSt;
    DWORD dwPoolLength;
    WORD wPicWidth;
    WORD wPicHeight;
    WORD wPicCoordH;
    WORD wPicCoordV;
    WORD wPicStrip;
    WORD wExifWidth;
    WORD wExifHeight;
    CHAR cExifDate[11];
}JPEG_ENCODE_INFO, *PJPEG_ENCODE_INFO;

WORD _JPUUTIL_FillColor(DWORD dwDestAddress, PJPU_OPZONE pDestination, DWORD wFillColor, WORD wFillOp, WORD wYuvType);
//WORD _JPUUTIL_ScaleAndFlipRotate(DWORD dwSrcAddress, DWORD dwDestAddress, WORD wFrType, PJPU_OPZONE pSource, PJPU_OPZONE pDestination, WORD wYuvType);
DWORD _JPUUTIL_GetDispFrameOffset_SCFR(PJPU_OPZONE pzone, WORD type_yuv, WORD type_fr);
WORD _JPUUTIL_Scale(DWORD dwSrcAddress, DWORD dwDestAddress, PJPU_OPZONE pSource, PJPU_OPZONE pDestination, WORD wYuvType);
WORD _JPUUTIL_FlipRotate(DWORD dwSrcAddress, DWORD dwDestAddress, DWORD dwtagaddress, WORD wFrType, PJPU_OPZONE pSource, PJPU_OPZONE pDestination, WORD wYuvType);

VOID JPEGDEC_EffectConfigure(BYTE wEffectConfigure);
VOID JPEGDEC_CopyPictureToDisplayBuffer(BYTE bBufferSet);
BYTE JPEGDEC_TransformOperation(BYTE bPreviousResult, WORD bCurrentOperation);
WORD _JPUUTIL_FlipRotateAndCopyPic(DWORD dwSrcAddress, DWORD dwDestAddress, WORD wFrType, PJPU_OPZONE pSource, PJPU_OPZONE pDestination);
VOID JPEG_DisplayFullScreen(WORD wIsFullScreen);
//VOID JPEGDEC_ReportYUVAddr(PDWORD dwYAddr, PDWORD dwUVAddr,PWORD wPicWidth, PWORD wPicHeight, PDWORD dwPool, PDWORD dwPoolLength);
VOID JPEGDEC_ReportEncodedInfo(PJPEG_ENCODE_INFO pEncodedInfo);
VOID JPEGDEC_ConfigProcessor(WORD wConfigProcessor);
DWORD JPEGDEC_QueryEmptyBuffer(VOID);
VOID JPEGDEC_SlideShowEncodeMode(WORD wSlideShowEncode);
VOID JPEGDEC_SrcPicOffset(WORD wOffsetH, WORD wOffsetV);
VOID JPEGDEC_QuerySrcPicSize(PWORD pwSrcPicWidth,PWORD pwSrcPicHeight);
#ifdef SUPPORT_MOTION_JPEG
VOID JPEGDEC_MjpegFrameBufferConfigure(DWORD dwFramebufferStart, DWORD dwFramebufferEnd,WORD wDecoderMode);
DWORD _JPEGDEC_CheckPlayCommand(DWORD dwType);
VOID JPEGDEC_UpdatePictureInfo(VOID);
#endif
VOID JPEGDEC_ColorTransform(DWORD dwFrameAddrY,DWORD dwFrameAddrUV,PJPU_OPZONE pDest_zone);
VOID JPEGDEC_EnableColorTransform(WORD wEnableTransform);
DWORD JPUUTIL_FillBlock(WORD wDispIndex,WORD wCoordH,WORD wCoordV,WORD wPicWidth, WORD wPicHeight ,WORD wBlockType);
DWORD JPUUTIL_FillBlockColor(WORD wDispIndex,WORD wCoordH,WORD wCoordV,WORD wPicWidth, WORD wPicHeight,DWORD dwFillColor);
//#define _JPUUTIL_COORD_TO_BYTEOFFSET_Y(coord_x, coord_y)    (((((coord_y) >> 4) * 180) + ((coord_x) >> 2)) << 6) + (((coord_y) % 16) << 2)
//#define _JPUUTIL_COORD_TO_BYTEOFFSET_UV(coord_x, coord_y)   (((((coord_y) >> 5) * 180) + (((coord_x) >> 4) << 2) + ((((coord_x) >> 1) % 8) >> 2)) << 6) + ((((coord_y) >> 1) % 16) << 2)
#define _JPUUTIL_COORD_TO_BYTEOFFSET_Y(coord_x, coord_y, disp_width)    (((((coord_y) >> 4) * (((disp_width) >> 3) << 1)) + ((coord_x) >> 2)) << 6) + (((coord_y) % 16) << 2)
#define _JPUUTIL_COORD_TO_BYTEOFFSET_UV(coord_x, coord_y, disp_width)   (((((coord_y) >> 5) * (((disp_width) >> 3) << 1)) + (((coord_x) >> 4) << 2) + ((((coord_x) >> 1) % 8) >> 2)) << 6) + ((((coord_y) >> 1) % 16) << 2)

#ifdef __cplusplus
}
#endif //__cplusplus

#endif //__JPEG_DECODER_H__

// END OF FILE (jpegdec.h)