--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/liboil/src/ayuv2argb.c Tue Aug 31 16:54:36 2010 +0300
@@ -0,0 +1,192 @@
+/*
+ * LIBOIL - Library of Optimized Inner Loops
+ * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+//Portions Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "liboil/liboil.h"
+#include "liboilfunction.h"
+#include "liboil/liboilcolorspace.h"
+#include "liboil/liboiltest.h"
+#include <string.h>
+
+/**
+ * oil_ayuv2argb_u8:
+ * @d_4xn:
+ * @s_4xn:
+ * @n:
+ *
+ * Converts AYUV pixels to ARGB pixels. AYUV pixels are in the
+ * JPEG colorspace. Note that this function doesn't follow normal
+ * liboil pixel conventions.
+ *
+ * (This function should be replaced by one that handles other
+ * conversion factors.)
+ */
+OIL_DEFINE_CLASS (ayuv2argb_u8, "uint8_t *d_4xn, uint8_t *s_4xn, int n");
+
+
+#define clamp(x,a,b) clamp_lower(clamp_upper(x,b),a)
+#define clamp_lower(x,a) ((x<a)?(a):(x))
+#define clamp_upper(x,b) ((x>b)?(b):(x))
+
+/* from the JFIF spec */
+#define YUV_TO_R(y,u,v) clamp((y) + 1.402*((v)-128.0),0,255)
+#define YUV_TO_G(y,u,v) clamp((y) - 0.34414*((u)-128.0) - 0.71414*((v)-128.0),0,255)
+#define YUV_TO_B(y,u,v) clamp((y) + 1.772*((u)-128.0),0,255)
+
+#define muldiv256(x,y) (((x)*(y) + 128)>>8)
+#define YUV_TO_R_INT8(y,u,v) clamp((y) + muldiv256(359,(v)-128),0,255)
+#define YUV_TO_G_INT8(y,u,v) clamp((y) + muldiv256(-88,(u)-128) + muldiv256(-183,(v)-128),0,255)
+#define YUV_TO_B_INT8(y,u,v) clamp((y) + muldiv256(454,(u)-128),0,255)
+
+#define muldiv65536(x,y) (((x)*(y) + 32768)>>16)
+#define YUV_TO_R_INT16(y,u,v) clamp((y) + muldiv65536(91881,(v)-128),0,255)
+#define YUV_TO_G_INT16(y,u,v) clamp((y) - muldiv65536(22554,(u)-128) - muldiv65536(46802,(v)-128),0,255)
+#define YUV_TO_B_INT16(y,u,v) clamp((y) + muldiv65536(116130,(u)-128),0,255)
+
+
+#define SHIFT 6
+#define MULT (1<<6)
+#define X(x) ((int)((x)*(1<<(SHIFT+8)) + 0.5))
+static int16_t jfif_matrix[][4] = {
+ { 0, 0, -8192, -8192 },
+ { 16384, 0, 0, 0 },
+ { 0, 16384, 16384, 16384 },
+ { 0, 0, -5638, 29032 },
+ { 0, 22970, -11700, 0 },
+ { 0, 0, 0, 0 }
+};
+
+static void
+colorspace_argb_test (OilTest *test)
+{
+ int16_t *data = oil_test_get_source_data (test, OIL_ARG_SRC2);
+
+ memcpy (data, jfif_matrix, 4*2*6);
+}
+
+OIL_DEFINE_CLASS_FULL (colorspace_argb, "uint32_t *d, uint32_t *s, int16_t *s2_24, int n", colorspace_argb_test);
+
+static void
+colorspace_argb_ref (uint32_t *dest, const uint32_t *src, const int16_t *matrix, int n)
+{
+ int i;
+
+ for(i=0;i<n;i++){
+ int sa = (oil_argb_A(src[i])<<SHIFT) + matrix[0*4+0];
+ int sr = (oil_argb_R(src[i])<<SHIFT) + matrix[0*4+1];
+ int sg = (oil_argb_G(src[i])<<SHIFT) + matrix[0*4+2];
+ int sb = (oil_argb_B(src[i])<<SHIFT) + matrix[0*4+3];
+ int da, dr, dg, db;
+
+#define MUL(a,b) (((a)*(b))>>16)
+ da = (MUL(sa,matrix[1*4+0]) + MUL(sr,matrix[2*4+0]) + MUL(sg,matrix[3*4+0]) +
+ MUL(sb,matrix[4*4+0]) + matrix[5*4+0] + 8)>>(2*SHIFT - 8);
+ dr = (MUL(sa,matrix[1*4+1]) + MUL(sr,matrix[2*4+1]) + MUL(sg,matrix[3*4+1]) +
+ MUL(sb,matrix[4*4+1]) + matrix[5*4+1] + 8)>>(2*SHIFT - 8);
+ dg = (MUL(sa,matrix[1*4+2]) + MUL(sr,matrix[2*4+2]) + MUL(sg,matrix[3*4+2]) +
+ MUL(sb,matrix[4*4+2]) + matrix[5*4+2] + 8)>>(2*SHIFT - 8);
+ db = (MUL(sa,matrix[1*4+3]) + MUL(sr,matrix[2*4+3]) + MUL(sg,matrix[3*4+3]) +
+ MUL(sb,matrix[4*4+3]) + matrix[5*4+3] + 8)>>(2*SHIFT - 8);
+ dest[i] = oil_argb(da, dr, dg, db);
+ }
+
+}
+OIL_DEFINE_IMPL_REF (colorspace_argb_ref, colorspace_argb);
+
+
+static void
+ayuv2argb_u8_ref (uint8_t *argb, const uint8_t *ayuv, int n)
+{
+ int i;
+
+ for(i=0;i<n;i++){
+ argb[0] = ayuv[0];
+ argb[1] = YUV_TO_R_INT8(ayuv[1], ayuv[2], ayuv[3]);
+ argb[2] = YUV_TO_G_INT8(ayuv[1], ayuv[2], ayuv[3]);
+ argb[3] = YUV_TO_B_INT8(ayuv[1], ayuv[2], ayuv[3]);
+ argb+=4;
+ ayuv+=4;
+ }
+
+}
+OIL_DEFINE_IMPL_REF (ayuv2argb_u8_ref, ayuv2argb_u8);
+
+
+
+
+#ifdef __SYMBIAN32__
+
+OilFunctionClass* __oil_function_class_ayuv2argb_u8() {
+ return &_oil_function_class_ayuv2argb_u8;
+}
+#endif
+
+#ifdef __SYMBIAN32__
+
+OilFunctionClass* __oil_function_class_colorspace_argb() {
+ return &_oil_function_class_colorspace_argb;
+}
+#endif
+
+
+
+#ifdef __SYMBIAN32__
+
+OilFunctionImpl* __oil_function_impl_colorspace_argb_ref() {
+ return &_oil_function_impl_colorspace_argb_ref;
+}
+#endif
+
+#ifdef __SYMBIAN32__
+
+OilFunctionImpl* __oil_function_impl_ayuv2argb_u8_ref() {
+ return &_oil_function_impl_ayuv2argb_u8_ref;
+}
+#endif
+
+
+
+#ifdef __SYMBIAN32__
+
+EXPORT_C void** _oil_function_class_ptr_ayuv2argb_u8 () {
+ oil_function_class_ptr_ayuv2argb_u8 = __oil_function_class_ayuv2argb_u8();
+ return &oil_function_class_ptr_ayuv2argb_u8->func;
+ }
+#endif
+
+#ifdef __SYMBIAN32__
+
+EXPORT_C void** _oil_function_class_ptr_colorspace_argb () {
+ oil_function_class_ptr_colorspace_argb = __oil_function_class_colorspace_argb();
+ return &oil_function_class_ptr_colorspace_argb->func;
+ }
+#endif
+