yuvtorgb16.h

Freescale ARM11系列CPU MX31的WINCE 5.0下的BSP

/*------------------------------------------------------------------------------
--                                                                            --
--       This software is confidential and proprietary and may be used        --
--         only as expressly authorized by a licensing agreement from         --
--                                                                            --
--                            Hantro Products Oy.                             --
--                                                                            --
--      In the event of publication, the following notice is applicable:      --
--                                                                            --
--                   (C) COPYRIGHT 2003 HANTRO PRODUCTS OY                    --
--                            ALL RIGHTS RESERVED                             --
--                                                                            --
--          The entire notice above must be reproduced on all copies.         --
--                                                                            --
--------------------------------------------------------------------------------
--
--  Abstract : YUV to RGB conversion.
--             Input 4:2:0 sampled YUV in planar IYUV format.
--             Output 16-bit RGB in RGB565 format.
--
-------------------------------------------------------------------------------*/

#ifndef YUVTORGB16_H
#define YUVTORGB16_H


#include "basetype.h"
#include "yuvtorgbinit.h"


#ifdef __cplusplus
extern "C"
    {
#endif


/*  Color conversion and dithering (optional)
    Rotate-function also rotates the image +/- 90 degrees
    Input format: planar 4:2:0 YUV: Y0Y1Y2Y3...  U0U1...  V0V1...
    Output format: 16-bit RGB565

                 u16             u16
         +----------------+----------------+---
         |RRRRRGGGGGGBBBBB|RRRRRGGGGGGBBBBB|
         +----------------+----------------+---
          MSB          LSB

       or if defined YUVTORGB_BGR_OUTPUT

                 u16             u16
         +----------------+----------------+---
         |BBBBBGGGGGGRRRRR|BBBBBGGGGGGRRRRR|
         +----------------+----------------+---
          MSB          LSB

       or if defined YUVTORGB16_FORMAT_PALM

                    u16             u16
         +----------------+----------------+---
         |GGGBBBBBRRRRRGGG|GGGBBBBBRRRRRGGG|
         +----------------+----------------+---
          MSB          LSB

    YuvWidth, yuvHeight, xOffset and yOffset must be even.
    Processed image dimensions are always even.
            
    Returns:  0           success
              -1          error: null input pointer
              -2          error: invalid image dimensions
*/
i32 YuvToRgb16(const cct *YUVTable, const u8 *Y, const u8 *U, const u8 *V,
    u16 *rgb, u32 yuvWidth, u32 yuvHeight, u32 rgbWidth, i32 rgbHeight,
    i32 xOffset, i32 yOffset, u8 dither);

i32 YuvToRgb16Rotate(const cct *YUVTable, const u8 *Y, const u8 *U, 
    const u8 *V, u16 *rgb, u32 yuvWidth, u32 yuvHeight, u32 rgbWidth, 
    i32 rgbHeight, i32 xOffset, i32 yOffset, u8 dither, i32 rotateAngle);

/*  Color conversion and dithering (optional)
    Input format: planar 4:2:0 YUV: Y0Y1Y2Y3...  U0U1...  V0V1...
    Output format: 16-bit RGB555

                 u16             u16
         +----------------+----------------+---
         |0RRRRRGGGGGBBBBB|0RRRRRGGGGGBBBBB|
         +----------------+----------------+---
          MSB          LSB

       or if defined YUVTORGB_BGR_OUTPUT

                 u16             u16
         +----------------+----------------+---
         |0BBBBBGGGGGRRRRR|0BBBBBGGGGGRRRRR|
         +----------------+----------------+---
          MSB          LSB

    YuvWidth, yuvHeight, xOffset and yOffset must be even.
    Processed image dimensions are always even.
            
    Returns:  0           success
              -1          error: null input pointer
              -2          error: invalid image dimensions
*/
i32 YuvToRgb15(const cct *YUVTable, const u8 *Y, const u8 *U, const u8 *V,
    u16 *rgb, u32 yuvWidth, u32 yuvHeight, u32 rgbWidth, i32 rgbHeight,
    i32 xOffset, i32 yOffset, u8 dither);


#ifdef __cplusplus
    }
#endif


#endif /* YUVTORGB16_H */