diff -r 000000000000 -r bde4ae8d615e os/ossrv/genericopenlibs/liboil/src/dct/idct8x8_c.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/ossrv/genericopenlibs/liboil/src/dct/idct8x8_c.c Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,355 @@ +/* + * LIBOIL - Library of Optimized Inner Loops + * Copyright (c) 2001,2002,2003,2004 David A. Schleef + * 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 +#include "liboil/dct/dct.h" +#include +#include +#include +#include + +/** + * 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 +