1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/genericopenlibs/liboil/src/jpeg/yuv2rgb_c.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,276 @@
1.4 +/*
1.5 + * LIBOIL - Library of Optimized Inner Loops
1.6 + * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
1.7 + * All rights reserved.
1.8 + *
1.9 + * Redistribution and use in source and binary forms, with or without
1.10 + * modification, are permitted provided that the following conditions
1.11 + * are met:
1.12 + * 1. Redistributions of source code must retain the above copyright
1.13 + * notice, this list of conditions and the following disclaimer.
1.14 + * 2. Redistributions in binary form must reproduce the above copyright
1.15 + * notice, this list of conditions and the following disclaimer in the
1.16 + * documentation and/or other materials provided with the distribution.
1.17 + *
1.18 + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
1.19 + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
1.20 + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.21 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
1.22 + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
1.23 + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
1.24 + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.25 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
1.26 + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
1.27 + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.28 + * POSSIBILITY OF SUCH DAMAGE.
1.29 + */
1.30 +//Portions Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
1.31 +
1.32 +#ifdef HAVE_CONFIG_H
1.33 +#include "config.h"
1.34 +#endif
1.35 +
1.36 +#include <liboil/liboil.h>
1.37 +#include <liboil/liboiltest.h>
1.38 +#include "jpeg.h"
1.39 +
1.40 +/**
1.41 + * oil_yuv2rgbx_u8:
1.42 + * @d_4xn:
1.43 + * @src1: Y component
1.44 + * @src2: U component
1.45 + * @src3: V component
1.46 + * @n:
1.47 + *
1.48 + * Converts YUV pixels to RGB pixels. Each YUV component is in a
1.49 + * separate source array, and are combined and converted to RGB.
1.50 + *
1.51 + * This function should be replaced by one that makes sense.
1.52 + */
1.53 +OIL_DEFINE_CLASS (yuv2rgbx_u8,
1.54 + "uint8_t *d_4xn, uint8_t *src1, uint8_t *src2, uint8_t *src3, int n");
1.55 +/**
1.56 + * oil_yuv2rgbx_sub2_u8:
1.57 + * @d_4xn:
1.58 + * @src1: Y component
1.59 + * @src2: U component
1.60 + * @src3: V component
1.61 + * @n:
1.62 + *
1.63 + * Converts YUV pixels to RGB pixels. Each YUV component is in a
1.64 + * separate source array, and are combined and converted to RGB.
1.65 + * The U and V arrays are subsampled by a factor of 2, so only
1.66 + * half of each array is used.
1.67 + *
1.68 + * This function should be replaced by one that makes sense.
1.69 + */
1.70 +OIL_DEFINE_CLASS (yuv2rgbx_sub2_u8,
1.71 + "uint8_t *d_4xn, uint8_t *src1, uint8_t *src2, uint8_t *src3, int n");
1.72 +/**
1.73 + * oil_yuv2rgbx_sub4_u8:
1.74 + * @d_4xn:
1.75 + * @src1: Y component
1.76 + * @src2: U component
1.77 + * @src3: V component
1.78 + * @n:
1.79 + *
1.80 + * Converts YUV pixels to RGB pixels. Each YUV component is in a
1.81 + * separate source array, and are combined and converted to RGB.
1.82 + * The U and V arrays are subsampled by a factor of 4, so only
1.83 + * a quarter of each array is used.
1.84 + *
1.85 + * This function should be replaced by one that makes sense.
1.86 + */
1.87 +OIL_DEFINE_CLASS (yuv2rgbx_sub4_u8,
1.88 + "uint8_t *d_4xn, uint8_t *src1, uint8_t *src2, uint8_t *src3, int n");
1.89 +
1.90 +#define clamp(x,a,b) clamp_lower(clamp_upper(x,b),a)
1.91 +#define clamp_lower(x,a) ((x<a)?(a):(x))
1.92 +#define clamp_upper(x,b) ((x>b)?(b):(x))
1.93 +
1.94 +/* from the JFIF spec */
1.95 +#define YUV_TO_R(y,u,v) clamp((y) + 1.402*((v)-128),0,255)
1.96 +#define YUV_TO_G(y,u,v) clamp((y) - 0.34414*((u)-128) - 0.71414*((v)-128),0,255)
1.97 +#define YUV_TO_B(y,u,v) clamp((y) + 1.772*((u)-128),0,255)
1.98 +
1.99 +#define YUV_TO_R_INT(y,u,v) clamp(((y)*256 + 358*((v)-128))>>8,0,255)
1.100 +#define YUV_TO_G_INT(y,u,v) clamp(((y)*256 - 88*((u)-128) - 183*((v)-128))>>8,0,255)
1.101 +#define YUV_TO_B_INT(y,u,v) clamp(((y)*256 + 454*((u)-128))>>8,0,255)
1.102 +
1.103 +
1.104 +static void
1.105 +yuv2rgbx_u8_ref (uint8_t *rgbp, uint8_t *yp, uint8_t *up, uint8_t *vp, int n)
1.106 +{
1.107 + int i;
1.108 +
1.109 + for(i=0;i<n;i++){
1.110 + rgbp[0] = YUV_TO_R(yp[0], up[0], vp[0]);
1.111 + rgbp[1] = YUV_TO_G(yp[0], up[0], vp[0]);
1.112 + rgbp[2] = YUV_TO_B(yp[0], up[0], vp[0]);
1.113 + rgbp[3] = 0;
1.114 + rgbp+=4;
1.115 + yp++;
1.116 + up++;
1.117 + vp++;
1.118 + }
1.119 +}
1.120 +
1.121 +OIL_DEFINE_IMPL_REF (yuv2rgbx_u8_ref, yuv2rgbx_u8);
1.122 +
1.123 +#ifdef ENABLE_BROKEN_IMPLS
1.124 +static void
1.125 +yuv2rgbx_u8_int (uint8_t *rgbp, uint8_t *yp, uint8_t *up, uint8_t *vp, int n)
1.126 +{
1.127 + int i;
1.128 +
1.129 + for(i=0;i<n;i++){
1.130 + rgbp[0] = YUV_TO_R_INT(yp[0], up[0], vp[0]);
1.131 + rgbp[1] = YUV_TO_G_INT(yp[0], up[0], vp[0]);
1.132 + rgbp[2] = YUV_TO_B_INT(yp[0], up[0], vp[0]);
1.133 + rgbp[3] = 0;
1.134 + rgbp+=4;
1.135 + yp++;
1.136 + up++;
1.137 + vp++;
1.138 + }
1.139 +}
1.140 +
1.141 +OIL_DEFINE_IMPL (yuv2rgbx_u8_int, yuv2rgbx_u8);
1.142 +#endif
1.143 +
1.144 +static void
1.145 +yuv2rgbx_sub2_u8_ref (uint8_t *rgbp, uint8_t *yp, uint8_t *up, uint8_t *vp, int n)
1.146 +{
1.147 + int i;
1.148 +
1.149 + for(i=0;i<n/2;i++){
1.150 + rgbp[0] = YUV_TO_R(yp[0], up[0], vp[0]);
1.151 + rgbp[1] = YUV_TO_G(yp[0], up[0], vp[0]);
1.152 + rgbp[2] = YUV_TO_B(yp[0], up[0], vp[0]);
1.153 + rgbp[3] = 0;
1.154 + rgbp+=4;
1.155 + yp++;
1.156 + rgbp[0] = YUV_TO_R(yp[0], up[0], vp[0]);
1.157 + rgbp[1] = YUV_TO_G(yp[0], up[0], vp[0]);
1.158 + rgbp[2] = YUV_TO_B(yp[0], up[0], vp[0]);
1.159 + rgbp[3] = 0;
1.160 + rgbp+=4;
1.161 + yp++;
1.162 + up++;
1.163 + vp++;
1.164 + }
1.165 +}
1.166 +
1.167 +OIL_DEFINE_IMPL_REF (yuv2rgbx_sub2_u8_ref, yuv2rgbx_sub2_u8);
1.168 +
1.169 +static void
1.170 +yuv2rgbx_sub4_u8_ref (uint8_t *rgbp, uint8_t *yp, uint8_t *up, uint8_t *vp, int n)
1.171 +{
1.172 + int i;
1.173 +
1.174 + for(i=0;i<n/4;i++){
1.175 + rgbp[0] = YUV_TO_R(yp[0], up[0], vp[0]);
1.176 + rgbp[1] = YUV_TO_G(yp[0], up[0], vp[0]);
1.177 + rgbp[2] = YUV_TO_B(yp[0], up[0], vp[0]);
1.178 + rgbp[3] = 0;
1.179 + rgbp+=4;
1.180 + yp++;
1.181 + rgbp[0] = YUV_TO_R(yp[0], up[0], vp[0]);
1.182 + rgbp[1] = YUV_TO_G(yp[0], up[0], vp[0]);
1.183 + rgbp[2] = YUV_TO_B(yp[0], up[0], vp[0]);
1.184 + rgbp[3] = 0;
1.185 + rgbp+=4;
1.186 + yp++;
1.187 + rgbp[0] = YUV_TO_R(yp[0], up[0], vp[0]);
1.188 + rgbp[1] = YUV_TO_G(yp[0], up[0], vp[0]);
1.189 + rgbp[2] = YUV_TO_B(yp[0], up[0], vp[0]);
1.190 + rgbp[3] = 0;
1.191 + rgbp+=4;
1.192 + yp++;
1.193 + rgbp[0] = YUV_TO_R(yp[0], up[0], vp[0]);
1.194 + rgbp[1] = YUV_TO_G(yp[0], up[0], vp[0]);
1.195 + rgbp[2] = YUV_TO_B(yp[0], up[0], vp[0]);
1.196 + rgbp[3] = 0;
1.197 + rgbp+=4;
1.198 + yp++;
1.199 + up++;
1.200 + vp++;
1.201 + }
1.202 +}
1.203 +
1.204 +OIL_DEFINE_IMPL_REF (yuv2rgbx_sub4_u8_ref, yuv2rgbx_sub4_u8);
1.205 +
1.206 +
1.207 +
1.208 +#ifdef __SYMBIAN32__
1.209 +
1.210 +OilFunctionClass* __oil_function_class_yuv2rgbx_u8() {
1.211 + return &_oil_function_class_yuv2rgbx_u8;
1.212 +}
1.213 +#endif
1.214 +
1.215 +#ifdef __SYMBIAN32__
1.216 +
1.217 +OilFunctionClass* __oil_function_class_yuv2rgbx_sub2_u8() {
1.218 + return &_oil_function_class_yuv2rgbx_sub2_u8;
1.219 +}
1.220 +#endif
1.221 +
1.222 +#ifdef __SYMBIAN32__
1.223 +
1.224 +OilFunctionClass* __oil_function_class_yuv2rgbx_sub4_u8() {
1.225 + return &_oil_function_class_yuv2rgbx_sub4_u8;
1.226 +}
1.227 +#endif
1.228 +
1.229 +
1.230 +
1.231 +#ifdef __SYMBIAN32__
1.232 +
1.233 +OilFunctionImpl* __oil_function_impl_yuv2rgbx_u8_ref() {
1.234 + return &_oil_function_impl_yuv2rgbx_u8_ref;
1.235 +}
1.236 +#endif
1.237 +
1.238 +
1.239 +
1.240 +#ifdef __SYMBIAN32__
1.241 +
1.242 +OilFunctionImpl* __oil_function_impl_yuv2rgbx_sub2_u8_ref() {
1.243 + return &_oil_function_impl_yuv2rgbx_sub2_u8_ref;
1.244 +}
1.245 +#endif
1.246 +
1.247 +#ifdef __SYMBIAN32__
1.248 +
1.249 +OilFunctionImpl* __oil_function_impl_yuv2rgbx_sub4_u8_ref() {
1.250 + return &_oil_function_impl_yuv2rgbx_sub4_u8_ref;
1.251 +}
1.252 +#endif
1.253 +
1.254 +
1.255 +
1.256 +#ifdef __SYMBIAN32__
1.257 +
1.258 +EXPORT_C void** _oil_function_class_ptr_yuv2rgbx_u8 () {
1.259 + oil_function_class_ptr_yuv2rgbx_u8 = __oil_function_class_yuv2rgbx_u8();
1.260 + return &oil_function_class_ptr_yuv2rgbx_u8->func;
1.261 + }
1.262 +#endif
1.263 +
1.264 +#ifdef __SYMBIAN32__
1.265 +
1.266 +EXPORT_C void** _oil_function_class_ptr_yuv2rgbx_sub2_u8 () {
1.267 + oil_function_class_ptr_yuv2rgbx_sub2_u8 = __oil_function_class_yuv2rgbx_sub2_u8();
1.268 + return &oil_function_class_ptr_yuv2rgbx_sub2_u8->func;
1.269 + }
1.270 +#endif
1.271 +
1.272 +#ifdef __SYMBIAN32__
1.273 +
1.274 +EXPORT_C void** _oil_function_class_ptr_yuv2rgbx_sub4_u8 () {
1.275 + oil_function_class_ptr_yuv2rgbx_sub4_u8 = __oil_function_class_yuv2rgbx_sub4_u8();
1.276 + return &oil_function_class_ptr_yuv2rgbx_sub4_u8->func;
1.277 + }
1.278 +#endif
1.279 +