1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/genericopenlibs/liboil/src/ayuv2argb.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,192 @@
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 "liboilfunction.h"
1.38 +#include "liboil/liboilcolorspace.h"
1.39 +#include "liboil/liboiltest.h"
1.40 +#include <string.h>
1.41 +
1.42 +/**
1.43 + * oil_ayuv2argb_u8:
1.44 + * @d_4xn:
1.45 + * @s_4xn:
1.46 + * @n:
1.47 + *
1.48 + * Converts AYUV pixels to ARGB pixels. AYUV pixels are in the
1.49 + * JPEG colorspace. Note that this function doesn't follow normal
1.50 + * liboil pixel conventions.
1.51 + *
1.52 + * (This function should be replaced by one that handles other
1.53 + * conversion factors.)
1.54 + */
1.55 +OIL_DEFINE_CLASS (ayuv2argb_u8, "uint8_t *d_4xn, uint8_t *s_4xn, int n");
1.56 +
1.57 +
1.58 +#define clamp(x,a,b) clamp_lower(clamp_upper(x,b),a)
1.59 +#define clamp_lower(x,a) ((x<a)?(a):(x))
1.60 +#define clamp_upper(x,b) ((x>b)?(b):(x))
1.61 +
1.62 +/* from the JFIF spec */
1.63 +#define YUV_TO_R(y,u,v) clamp((y) + 1.402*((v)-128.0),0,255)
1.64 +#define YUV_TO_G(y,u,v) clamp((y) - 0.34414*((u)-128.0) - 0.71414*((v)-128.0),0,255)
1.65 +#define YUV_TO_B(y,u,v) clamp((y) + 1.772*((u)-128.0),0,255)
1.66 +
1.67 +#define muldiv256(x,y) (((x)*(y) + 128)>>8)
1.68 +#define YUV_TO_R_INT8(y,u,v) clamp((y) + muldiv256(359,(v)-128),0,255)
1.69 +#define YUV_TO_G_INT8(y,u,v) clamp((y) + muldiv256(-88,(u)-128) + muldiv256(-183,(v)-128),0,255)
1.70 +#define YUV_TO_B_INT8(y,u,v) clamp((y) + muldiv256(454,(u)-128),0,255)
1.71 +
1.72 +#define muldiv65536(x,y) (((x)*(y) + 32768)>>16)
1.73 +#define YUV_TO_R_INT16(y,u,v) clamp((y) + muldiv65536(91881,(v)-128),0,255)
1.74 +#define YUV_TO_G_INT16(y,u,v) clamp((y) - muldiv65536(22554,(u)-128) - muldiv65536(46802,(v)-128),0,255)
1.75 +#define YUV_TO_B_INT16(y,u,v) clamp((y) + muldiv65536(116130,(u)-128),0,255)
1.76 +
1.77 +
1.78 +#define SHIFT 6
1.79 +#define MULT (1<<6)
1.80 +#define X(x) ((int)((x)*(1<<(SHIFT+8)) + 0.5))
1.81 +static int16_t jfif_matrix[][4] = {
1.82 + { 0, 0, -8192, -8192 },
1.83 + { 16384, 0, 0, 0 },
1.84 + { 0, 16384, 16384, 16384 },
1.85 + { 0, 0, -5638, 29032 },
1.86 + { 0, 22970, -11700, 0 },
1.87 + { 0, 0, 0, 0 }
1.88 +};
1.89 +
1.90 +static void
1.91 +colorspace_argb_test (OilTest *test)
1.92 +{
1.93 + int16_t *data = oil_test_get_source_data (test, OIL_ARG_SRC2);
1.94 +
1.95 + memcpy (data, jfif_matrix, 4*2*6);
1.96 +}
1.97 +
1.98 +OIL_DEFINE_CLASS_FULL (colorspace_argb, "uint32_t *d, uint32_t *s, int16_t *s2_24, int n", colorspace_argb_test);
1.99 +
1.100 +static void
1.101 +colorspace_argb_ref (uint32_t *dest, const uint32_t *src, const int16_t *matrix, int n)
1.102 +{
1.103 + int i;
1.104 +
1.105 + for(i=0;i<n;i++){
1.106 + int sa = (oil_argb_A(src[i])<<SHIFT) + matrix[0*4+0];
1.107 + int sr = (oil_argb_R(src[i])<<SHIFT) + matrix[0*4+1];
1.108 + int sg = (oil_argb_G(src[i])<<SHIFT) + matrix[0*4+2];
1.109 + int sb = (oil_argb_B(src[i])<<SHIFT) + matrix[0*4+3];
1.110 + int da, dr, dg, db;
1.111 +
1.112 +#define MUL(a,b) (((a)*(b))>>16)
1.113 + da = (MUL(sa,matrix[1*4+0]) + MUL(sr,matrix[2*4+0]) + MUL(sg,matrix[3*4+0]) +
1.114 + MUL(sb,matrix[4*4+0]) + matrix[5*4+0] + 8)>>(2*SHIFT - 8);
1.115 + dr = (MUL(sa,matrix[1*4+1]) + MUL(sr,matrix[2*4+1]) + MUL(sg,matrix[3*4+1]) +
1.116 + MUL(sb,matrix[4*4+1]) + matrix[5*4+1] + 8)>>(2*SHIFT - 8);
1.117 + dg = (MUL(sa,matrix[1*4+2]) + MUL(sr,matrix[2*4+2]) + MUL(sg,matrix[3*4+2]) +
1.118 + MUL(sb,matrix[4*4+2]) + matrix[5*4+2] + 8)>>(2*SHIFT - 8);
1.119 + db = (MUL(sa,matrix[1*4+3]) + MUL(sr,matrix[2*4+3]) + MUL(sg,matrix[3*4+3]) +
1.120 + MUL(sb,matrix[4*4+3]) + matrix[5*4+3] + 8)>>(2*SHIFT - 8);
1.121 + dest[i] = oil_argb(da, dr, dg, db);
1.122 + }
1.123 +
1.124 +}
1.125 +OIL_DEFINE_IMPL_REF (colorspace_argb_ref, colorspace_argb);
1.126 +
1.127 +
1.128 +static void
1.129 +ayuv2argb_u8_ref (uint8_t *argb, const uint8_t *ayuv, int n)
1.130 +{
1.131 + int i;
1.132 +
1.133 + for(i=0;i<n;i++){
1.134 + argb[0] = ayuv[0];
1.135 + argb[1] = YUV_TO_R_INT8(ayuv[1], ayuv[2], ayuv[3]);
1.136 + argb[2] = YUV_TO_G_INT8(ayuv[1], ayuv[2], ayuv[3]);
1.137 + argb[3] = YUV_TO_B_INT8(ayuv[1], ayuv[2], ayuv[3]);
1.138 + argb+=4;
1.139 + ayuv+=4;
1.140 + }
1.141 +
1.142 +}
1.143 +OIL_DEFINE_IMPL_REF (ayuv2argb_u8_ref, ayuv2argb_u8);
1.144 +
1.145 +
1.146 +
1.147 +
1.148 +#ifdef __SYMBIAN32__
1.149 +
1.150 +OilFunctionClass* __oil_function_class_ayuv2argb_u8() {
1.151 + return &_oil_function_class_ayuv2argb_u8;
1.152 +}
1.153 +#endif
1.154 +
1.155 +#ifdef __SYMBIAN32__
1.156 +
1.157 +OilFunctionClass* __oil_function_class_colorspace_argb() {
1.158 + return &_oil_function_class_colorspace_argb;
1.159 +}
1.160 +#endif
1.161 +
1.162 +
1.163 +
1.164 +#ifdef __SYMBIAN32__
1.165 +
1.166 +OilFunctionImpl* __oil_function_impl_colorspace_argb_ref() {
1.167 + return &_oil_function_impl_colorspace_argb_ref;
1.168 +}
1.169 +#endif
1.170 +
1.171 +#ifdef __SYMBIAN32__
1.172 +
1.173 +OilFunctionImpl* __oil_function_impl_ayuv2argb_u8_ref() {
1.174 + return &_oil_function_impl_ayuv2argb_u8_ref;
1.175 +}
1.176 +#endif
1.177 +
1.178 +
1.179 +
1.180 +#ifdef __SYMBIAN32__
1.181 +
1.182 +EXPORT_C void** _oil_function_class_ptr_ayuv2argb_u8 () {
1.183 + oil_function_class_ptr_ayuv2argb_u8 = __oil_function_class_ayuv2argb_u8();
1.184 + return &oil_function_class_ptr_ayuv2argb_u8->func;
1.185 + }
1.186 +#endif
1.187 +
1.188 +#ifdef __SYMBIAN32__
1.189 +
1.190 +EXPORT_C void** _oil_function_class_ptr_colorspace_argb () {
1.191 + oil_function_class_ptr_colorspace_argb = __oil_function_class_colorspace_argb();
1.192 + return &oil_function_class_ptr_colorspace_argb->func;
1.193 + }
1.194 +#endif
1.195 +