iul_csc_y2r.h
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/*****************************************************************************
* Copyright Statement:
* --------------------
* This software is protected by Copyright and the information contained
* herein is confidential. The software may not be copied and the information
* contained herein may not be used or disclosed except with the written
* permission of MediaTek Inc. (C) 2007
*
* BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
* NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
* SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
* BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
* LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*
* THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
* WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
* LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
* RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
* THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/
/*****************************************************************************
*
* Filename:
* ---------
* iul_csc_y2r.h
*
* Project:
* --------
* N/A
*
* Description:
* ------------
*
*
* Author:
* -------
* -------
*
*============================================================================
* HISTORY
* Below this line, this part is controlled by ClearCase. DO NOT MODIFY!!
*------------------------------------------------------------------------------
* $Log$
*
* 03 16 2012 robin.huang
* removed!
* [IUL]Fix dithering API typo
*
* 09 28 2011 sophie.chen
* removed!
* removed!
*
* 08 29 2011 sophie.chen
* removed!
* .
*
* 03 01 2011 rey.su
* removed!
* Improve Y2R quality.
*
* 11 23 2010 rey.su
* removed!
* .
*
* 10 26 2010 rey.su
* removed!
* .
*
*------------------------------------------------------------------------------
* Upper this line, this part is controlled by ClearCase. DO NOT MODIFY!!
*============================================================================
****************************************************************************/
#ifndef __IUL_CSC_Y2R_H__
#define __IUL_CSC_Y2R_H__
#include "iul_common_struct.h"
/**
* @brief Resize YUV420 planar image into RGB565 image with dithering.
* @param srcY pointer to the buffer containing Y channel
* @param srcU pointer to the buffer containing U channel
* @param srcV pointer to the buffer containing V channel
* @param srcWidth width of the source image
* @param srcHeight height of the source image
* @param dstRGB pointer to the buffer to contain the output RGB565 data
* @param dstWidth width of the destination image
* @param dstHeight height of the destination image
* @return If the function succeeds, returns 1; otherwise returns 0.
* @remarks The dimensions of source and destination must be the same.
* The width must be even.
*/
int iul_csc_yuv420_to_rgb565_resize(unsigned char *srcY, unsigned char *srcU, unsigned char *srcV,
int srcWidth, int srcHeight,
unsigned short *dstRGB,
int dstWidth, int dstHeight);
/**
* @brief Resize YUV420 planar image into RGB565 image with dithering and source clipping.
* @param srcY pointer to the buffer containing Y channel, presenting the start Yaddress of source image.
* @param srcU pointer to the buffer containing U channel, presenting the start Uaddress of source image.
* @param srcV pointer to the buffer containing V channel, presenting the start Vaddress of source image.
* @param srcWidth width of the source image
* @param srcHeight height of the source image
* @param dstRGB pointer to the buffer to contain the output RGB565 data
* @param dstWidth width of the destination image
* @param dstHeight height of the destination image
* @param srcClipWindow clipping window of the source image
* @return If the function succeeds, returns 1; otherwise returns 0.
* @remarks The dimensions of source and destination must be the same.
* The width must be even.
*/
int iul_csc_yuv420_to_rgb565_resize_with_src_clip(
unsigned char *srcY, unsigned char *srcU, unsigned char *srcV,
int srcWidth, int srcHeight,
unsigned short *dstRGB,
int dstWidth, int dstHeight,
iul_rect *srcClipWindow);
/**
* @brief Convert YUV420 planar image into RGB565 image with FXP (fixed-pattern) dithering.
* @param srcY pointer to Y component
* @param srcU pointer to U component
* @param srcV pointer to V component
* @param srcPitchY source pitch of Y component
* @param srcPitchUV source pitch of UV component
* @param dstPtr pointer to destination buffer in RGB565 format
* @param dstPitch pixel pitch of the destination image
* @param width width of source image
* @param height height of source image
* @return If the function succeeds, returns 1; otherwise returns 0.
* @remarks The dimensions of source and destination must be the same.
* The width must be even.
*/
int iul_csc_yuv420_to_rgb565_fxp_dithering(unsigned char *srcPtrY, unsigned char *srcPtrU, unsigned char *srcPtrV,
unsigned int srcPitchY, unsigned int srcPitchUV,
unsigned short *dstPtr, unsigned int dstPitch,
int width, int height);
/**
* @brief Convert YUV420 planar raw data into RGB565 raw data with MWC (Multiply-With-Carry) dithering.
* @param srcY pointer to Y component
* @param srcU pointer to U component
* @param srcV pointer to V component
* @param srcPitchY source pitch of Y component
* @param srcPitchUV source pitch of UV component
* @param dstPtr pointer to destination buffer in RGB565 format
* @param dstPitch pixel pitch of the destination image
* @param Width width of the source image
* @param height height of the source image
* @return If the function succeeds, returns 1; otherwise returns 0.
* @remarks The dimensions of source and destination must be the same.
* The width must be even.
*/
int iul_csc_yuv420_to_rgb565_mwc_dithering(unsigned char *srcPtrY, unsigned char *srcPtrU, unsigned char *srcPtrV,
unsigned int srcPitchY, unsigned int srcPitchUV,
unsigned short *dstPtr, unsigned int dstPitch,
int width, int height);
/**
* @brief Convert YUV422 interleaved (UYVY422) raw data into RGB565 raw data with FXP (fixed-pattern) dithering.
* @param srcYUV pointer to the buffer containing UYVY422 data
* @param dstRGB pointer to the buffer to contain the output RGB565 data
* @param width width of the source image
* @param height height of the source image
* @return If the function succeeds, returns 1; otherwise returns 0.
* @remarks The width must be even.
*/
int iul_csc_yuv422itlv_to_rgb565_fxp_dithering(unsigned int *srcYUV, unsigned short *dstRGB, int width, int height);
/**
* @brief Convert YUV422 interleaved (UYVY422) raw data into RGB565 raw data with MWC (Multiply-With-Carry) dithering.
* @param srcYUV pointer to the buffer containing UYVY422 data
* @param dstRGB pointer to the buffer to contain the output RGB565 data
* @param width width of the source image
* @param height height of the source image
* @return If the function succeeds, returns 1; otherwise returns 0.
* @remarks The width must be even.
*/
int iul_csc_yuv422itlv_to_rgb565_mwc_dithering(unsigned int *srcYUV, unsigned short *dstRGB, int width, int height);
int iul_csc_yuv422itlv_to_rgb565(unsigned int *srcYUV, unsigned short *dstRGB, int width, int height);
int iul_csc_yuv422itlv_to_rgb565_resize(unsigned int *srcYUV, int srcWidth, int srcHeight, unsigned short *dstRGB, int dstWidth, int dstHeight);
int iul_csc_yuv422itlv_to_rgb565_resize(
unsigned int *srcYUV,
int srcWidth, int srcHeight,
unsigned short *dstRGB,
int dstWidth, int dstHeight);
#endif /// __IUL_CSC_Y2R_H__