diff -r e4d67989cc36 -r 47c74d1534e1 genericopenlibs/liboil/src/conv/conv_misc.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/genericopenlibs/liboil/src/conv/conv_misc.c Fri Apr 16 16:46:38 2010 +0300 @@ -0,0 +1,129 @@ +/* + * LIBOIL - Library of Optimized Inner Loops + * Copyright (c) 2001,2003,2004 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 "conv.h" + +#include + + +static void +conv_f64_s16_table(double *dest, int dest_stride, const short *src, + int src_stride, int n) +{ + static double ints_high[256]; + static double ints_low[256]; + static int init = 0; + int i; + unsigned int idx; + if(!init){ + for(i=0;i<256;i++){ + ints_high[i]=256.0*((i<128)?i:i-256); + ints_low[i]=i; + } + init = 1; + } + + if(n&1){ + idx = (unsigned short)*src; + *dest = ints_high[(idx>>8)] + ints_low[(idx&0xff)]; + OIL_INCREMENT(dest, dest_stride); + OIL_INCREMENT(src, src_stride); + n-=1; + } + for(i=0;i>8)] + ints_low[(idx&0xff)]; + OIL_INCREMENT(dest, dest_stride); + OIL_INCREMENT(src, src_stride); + idx = (unsigned short)*src; + *dest = ints_high[(idx>>8)] + ints_low[(idx&0xff)]; + OIL_INCREMENT(dest, dest_stride); + OIL_INCREMENT(src, src_stride); + } +} +OIL_DEFINE_IMPL(conv_f64_s16_table, conv_f64_s16); + +static void +conv_f32_s16_table(float *dest, int dest_stride, const short *src, + int src_stride, int n) +{ + static float ints_high[256]; + static float ints_low[256]; + static int init = 0; + int i; + unsigned int idx; + if(!init){ + for(i=0;i<256;i++){ + ints_high[i]=256.0*((i<128)?i:i-256); + ints_low[i]=i; + } + init = 1; + } + + if(n&1){ + idx = (unsigned short)*src; + *dest = ints_high[(idx>>8)] + ints_low[(idx&0xff)]; + OIL_INCREMENT(dest, dest_stride); + OIL_INCREMENT(src, src_stride); + n-=1; + } + for(i=0;i>8)] + ints_low[(idx&0xff)]; + OIL_INCREMENT(dest, dest_stride); + OIL_INCREMENT(src, src_stride); + idx = (unsigned short)*src; + *dest = ints_high[(idx>>8)] + ints_low[(idx&0xff)]; + OIL_INCREMENT(dest, dest_stride); + OIL_INCREMENT(src, src_stride); + } +} +OIL_DEFINE_IMPL(conv_f32_s16_table, conv_f32_s16); + + + + + +#ifdef __SYMBIAN32__ + +OilFunctionImpl* __oil_function_impl_conv_f64_s16_table() { + return &_oil_function_impl_conv_f64_s16_table; +} +#endif + +#ifdef __SYMBIAN32__ + +OilFunctionImpl* __oil_function_impl_conv_f32_s16_table() { + return &_oil_function_impl_conv_f32_s16_table; +} +#endif +