--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/liboil/src/dct/idct8x8_c.c Fri Apr 16 16:46:38 2010 +0300
@@ -0,0 +1,355 @@
+/*
+ * LIBOIL - Library of Optimized Inner Loops
+ * Copyright (c) 2001,2002,2003,2004 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 "liboil/dct/dct.h"
+#include <math.h>
+#include <liboil/liboiltest.h>
+#include <liboil/liboilparameter.h>
+#include <liboil/liboilrandom.h>
+
+/**
+ * SECTION:liboilfuncs-dct:
+ * @title: Direct Cosine Transform
+ * @short_description: DCT related functions
+ */
+
+#define BLOCK8x8_F64(ptr, stride, row, column) \
+ (*((double *)((unsigned char *)ptr + stride*row) + column))
+
+#define BLOCK8x8_PTR_F64(ptr, stride, row, column) \
+ ((double *)((unsigned char *)ptr + stride*row) + column)
+
+#define BLOCK8x8_S16(ptr, stride, row, column) \
+ (*((int16_t *)((unsigned char *)ptr + stride*row) + column))
+
+static void
+idct8x8_test (OilTest *test)
+{
+ int16_t *data = oil_test_get_source_data (test, OIL_ARG_SRC1);
+ int stride = oil_test_get_value (test, OIL_ARG_SSTR1);
+ int i, j;
+
+ for(j=0;j<8;j++){
+ for(i=0;i<8;i++){
+ OIL_GET(data, i*2 + j*stride, int16_t) = (oil_rand_s16() & 0xfff) - 2048;
+ }
+ }
+}
+
+/**
+ * oil_idct8x8_f64:
+ * @d_8x8:
+ * @dstr:
+ * @s_8x8:
+ * @sstr:
+ *
+ * Performs a 2-D Inverse Discrete Cosine Transform on @s_8x8 and places
+ * the result in @d_8x8.
+ */
+OIL_DEFINE_CLASS (idct8x8_f64, "double *d_8x8, int dstr, double *s_8x8, int sstr");
+/**
+ * oil_idct8x8lim10_f64:
+ * @d_8x8:
+ * @dstr:
+ * @s_8x8:
+ * @sstr:
+ *
+ * Performs a 2-D Inverse Discrete Cosine Transform on @s_8x8 and places
+ * the result in @d_8x8.
+ */
+OIL_DEFINE_CLASS (idct8x8lim10_f64, "double *d_8x8, int dstr, double *s_8x8, int sstr");
+/**
+ * oil_idct8x8_s16:
+ * @d_8x8:
+ * @dstr:
+ * @s_8x8:
+ * @sstr:
+ *
+ * Performs a limited 2-D Inverse Discrete Cosine Transform on @s_8x8
+ * and places the result in @d_8x8.
+ */
+OIL_DEFINE_CLASS_FULL (idct8x8_s16, "int16_t *d_8x8, int dstr, int16_t *s_8x8, int sstr", idct8x8_test);
+/**
+ * oil_idct8x8lim10_s16:
+ * @d_8x8:
+ * @dstr:
+ * @s_8x8:
+ * @sstr:
+ *
+ * Performs a limited 2-D Inverse Discrete Cosine Transform on @s_8x8
+ * and places the result in @d_8x8. The source 8x8 block must be non-zero
+ * only in the 10 lowest-order components.
+ */
+OIL_DEFINE_CLASS (idct8x8lim10_s16, "int16_t *d_8x8, int dstr, int16_t *s_8x8, int sstr");
+
+static void
+idct8x8_f64_ref (double *dest, int dstr, const double *src, int sstr)
+{
+ static double idct_coeff[8][8];
+ static int idct_coeff_init = 0;
+ int i,j,k,l;
+ double tmp1,tmp2;
+
+ if(!idct_coeff_init){
+ double scale;
+
+ for(i=0;i<8;i++){
+ scale = (i==0) ? sqrt(0.125) : 0.5;
+ for(j=0;j<8;j++){
+ idct_coeff[j][i] = scale *
+ cos((M_PI/8)*i*(j+0.5));
+ }
+ }
+ idct_coeff_init = 1;
+ }
+
+ for(i=0;i<8;i++){
+ for(j=0;j<8;j++){
+ tmp1 = 0;
+ for(k=0;k<8;k++){
+ tmp2 = 0;
+ for(l=0;l<8;l++){
+ tmp2 += idct_coeff[j][l] *
+ BLOCK8x8_F64(src,sstr,k,l);
+ }
+ tmp1 += idct_coeff[i][k] * tmp2;
+ }
+ BLOCK8x8_F64(dest,dstr,i,j) = tmp1;
+ }
+ }
+}
+OIL_DEFINE_IMPL_REF (idct8x8_f64_ref, idct8x8_f64);
+
+static void
+idct8x8lim10_f64_ref (double *dest, int dstr, const double *src, int sstr)
+{
+ static double idct_coeff[8][8];
+ static int idct_coeff_init = 0;
+ int i,j,k,l;
+ double tmp1,tmp2;
+
+ if(!idct_coeff_init){
+ double scale;
+
+ for(i=0;i<8;i++){
+ scale = (i==0) ? sqrt(0.125) : 0.5;
+ for(j=0;j<8;j++){
+ idct_coeff[j][i] = scale *
+ cos((M_PI/8)*i*(j+0.5));
+ }
+ }
+ idct_coeff_init = 1;
+ }
+
+ for(i=0;i<8;i++){
+ for(j=0;j<8;j++){
+ tmp1 = 0;
+ for(k=0;k<4;k++){
+ tmp2 = 0;
+ for(l=0;l<4;l++){
+ tmp2 += idct_coeff[j][l] *
+ BLOCK8x8_F64(src,sstr,k,l);
+ }
+ tmp1 += idct_coeff[i][k] * tmp2;
+ }
+ BLOCK8x8_F64(dest,dstr,i,j) = tmp1;
+ }
+ }
+}
+OIL_DEFINE_IMPL_REF (idct8x8lim10_f64_ref, idct8x8lim10_f64);
+
+#if defined(oil_idct8_f64)
+static void
+idct8x8_f64_c (double *dest, int dstr, const double *src, int sstr)
+{
+ int i;
+ double tmp[64];
+ int tmpstr = 8*sizeof(double);
+
+ for(i=0;i<8;i++){
+ oil_idct8_f64(
+ BLOCK8x8_PTR_F64(tmp,tmpstr,i,0), sizeof(double),
+ BLOCK8x8_PTR_F64(src,sstr,i,0), sizeof(double));
+ }
+ for(i=0;i<8;i++){
+ oil_idct8_f64(
+ BLOCK8x8_PTR_F64(dest,dstr,0,i), dstr,
+ BLOCK8x8_PTR_F64(tmp,tmpstr,0,i), tmpstr);
+ }
+}
+
+OIL_DEFINE_IMPL_DEPENDS (idct8x8_f64_c, idct8x8_f64, idct8_f64);
+#endif
+
+#if defined(oil_conv8x8_f64_s16) && defined(oil_idct8x8_f64) && \
+ defined(oil_conv8x8_s16_f64)
+static void
+idct8x8_s16_ref (int16_t *dest, int dstr, const int16_t *src, int sstr)
+{
+ double s[64], d[64];
+
+ oil_conv8x8_f64_s16 (s,8*sizeof(double),src,sstr);
+ oil_idct8x8_f64 (d,8*sizeof(double),s,8*sizeof(double));
+ oil_conv8x8_s16_f64 (dest,dstr,d,8*sizeof(double));
+}
+
+OIL_DEFINE_IMPL_REF (idct8x8_s16_ref, idct8x8_s16);
+#if 0
+OIL_DEFINE_IMPL_DEPENDS (idct8x8_s16_ref, idct8x8_s16,
+ conv8x8_f64_s16, idct8x8_f64, conv8x8_s16_f64);
+#endif
+#endif
+
+#if defined(oil_conv8x8_f64_s16) && defined(oil_idct8x8lim10_f64) && \
+ defined(oil_conv8x8_s16_f64)
+static void
+idct8x8lim10_s16_ref (int16_t *dest, int dstr, const int16_t *src, int sstr)
+{
+ double s[64], d[64];
+
+ oil_conv8x8_f64_s16 (s,8*sizeof(double),src,sstr);
+ oil_idct8x8lim10_f64 (d,8*sizeof(double),s,8*sizeof(double));
+ oil_conv8x8_s16_f64 (dest,dstr,d,8*sizeof(double));
+}
+
+OIL_DEFINE_IMPL_REF (idct8x8lim10_s16_ref, idct8x8lim10_s16);
+#if 0
+OIL_DEFINE_IMPL_DEPENDS (idct8x8_s16_ref, idct8x8_s16,
+ conv8x8_f64_s16, idct8x8_f64, conv8x8_s16_f64);
+#endif
+#endif
+
+
+
+#ifdef __SYMBIAN32__
+
+OilFunctionClass* __oil_function_class_idct8x8_f64() {
+ return &_oil_function_class_idct8x8_f64;
+}
+#endif
+
+#ifdef __SYMBIAN32__
+
+OilFunctionClass* __oil_function_class_idct8x8lim10_f64() {
+ return &_oil_function_class_idct8x8lim10_f64;
+}
+#endif
+
+#ifdef __SYMBIAN32__
+
+OilFunctionClass* __oil_function_class_idct8x8_s16() {
+ return &_oil_function_class_idct8x8_s16;
+}
+#endif
+
+#ifdef __SYMBIAN32__
+
+OilFunctionClass* __oil_function_class_idct8x8lim10_s16() {
+ return &_oil_function_class_idct8x8lim10_s16;
+}
+#endif
+
+
+
+#ifdef __SYMBIAN32__
+
+OilFunctionImpl* __oil_function_impl_idct8x8_f64_ref() {
+ return &_oil_function_impl_idct8x8_f64_ref;
+}
+#endif
+
+#ifdef __SYMBIAN32__
+
+OilFunctionImpl* __oil_function_impl_idct8x8lim10_f64_ref() {
+ return &_oil_function_impl_idct8x8lim10_f64_ref;
+}
+#endif
+
+#ifdef __SYMBIAN32__
+
+OilFunctionImpl* __oil_function_impl_idct8x8_s16_ref() {
+ return &_oil_function_impl_idct8x8_s16_ref;
+}
+#endif
+
+#ifdef __SYMBIAN32__
+
+OilFunctionImpl* __oil_function_impl_idct8x8lim10_s16_ref() {
+ return &_oil_function_impl_idct8x8lim10_s16_ref;
+}
+#endif
+
+
+
+#ifdef __SYMBIAN32__
+
+OilFunctionImpl* __oil_function_impl_idct8x8_f64_c() {
+ return &_oil_function_impl_idct8x8_f64_c;
+}
+#endif
+
+
+
+
+#ifdef __SYMBIAN32__
+
+EXPORT_C void** _oil_function_class_ptr_idct8x8_f64 () {
+ oil_function_class_ptr_idct8x8_f64 = __oil_function_class_idct8x8_f64();
+ return &oil_function_class_ptr_idct8x8_f64->func;
+ }
+#endif
+
+#ifdef __SYMBIAN32__
+
+EXPORT_C void** _oil_function_class_ptr_idct8x8lim10_f64 () {
+ oil_function_class_ptr_idct8x8lim10_f64 = __oil_function_class_idct8x8lim10_f64();
+ return &oil_function_class_ptr_idct8x8lim10_f64->func;
+ }
+#endif
+
+#ifdef __SYMBIAN32__
+
+EXPORT_C void** _oil_function_class_ptr_idct8x8_s16 () {
+ oil_function_class_ptr_idct8x8_s16 = __oil_function_class_idct8x8_s16();
+ return &oil_function_class_ptr_idct8x8_s16->func;
+ }
+#endif
+
+#ifdef __SYMBIAN32__
+
+EXPORT_C void** _oil_function_class_ptr_idct8x8lim10_s16 () {
+ oil_function_class_ptr_idct8x8lim10_s16 = __oil_function_class_idct8x8lim10_s16();
+ return &oil_function_class_ptr_idct8x8lim10_s16->func;
+ }
+#endif
+