1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericopenlibs/liboil/src/ref/sad8x8avg.c	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,110 @@
     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/liboilfunction.h>
    1.37 +#include <math.h>
    1.38 +
    1.39 +#define ABS(x) ((x)>0 ? (x) : -(x))
    1.40 +
    1.41 +/**
    1.42 + * oil_sad8x8_u8_avg:
    1.43 + * @d_1:
    1.44 + * @s1_8x8:
    1.45 + * @ss1:
    1.46 + * @s2_8x8:
    1.47 + * @s3_8x8:
    1.48 + * @ss2:
    1.49 + *
    1.50 + * Calculates the sum of absolute differences between @s1_8x8 and
    1.51 + * the average of @s2_8x8 and @s3_8x8.
    1.52 + *
    1.53 + * FIXME: This function is broken because the reference function assumes
    1.54 + * the stride for @s3_8x8 is @ss2.
    1.55 + */
    1.56 +OIL_DEFINE_CLASS (sad8x8_u8_avg,
    1.57 +    "uint32_t *d_1, uint8_t *s1_8x8, int ss1, uint8_t *s2_8x8, uint8_t *s3_8x8, int ss2");
    1.58 +
    1.59 +static void
    1.60 +sad8x8_u8_avg_ref (uint32_t *dest, uint8_t *src1, int ss1, uint8_t *src2, uint8_t *src3, int ss2)
    1.61 +{
    1.62 +  int i;
    1.63 +  uint32_t diff = 0;
    1.64 +
    1.65 +  for (i=0; i<8;i++){
    1.66 +    diff += ABS(((int)src1[0]) - (((int)src2[0] + (int)src3[0]) / 2));
    1.67 +    diff += ABS(((int)src1[1]) - (((int)src2[1] + (int)src3[1]) / 2));
    1.68 +    diff += ABS(((int)src1[2]) - (((int)src2[2] + (int)src3[2]) / 2));
    1.69 +    diff += ABS(((int)src1[3]) - (((int)src2[3] + (int)src3[3]) / 2));
    1.70 +    diff += ABS(((int)src1[4]) - (((int)src2[4] + (int)src3[4]) / 2));
    1.71 +    diff += ABS(((int)src1[5]) - (((int)src2[5] + (int)src3[5]) / 2));
    1.72 +    diff += ABS(((int)src1[6]) - (((int)src2[6] + (int)src3[6]) / 2));
    1.73 +    diff += ABS(((int)src1[7]) - (((int)src2[7] + (int)src3[7]) / 2));
    1.74 +
    1.75 +    /* Step to next row of block. */
    1.76 +    src1 += ss1;
    1.77 +    src2 += ss2;
    1.78 +    src3 += ss2;
    1.79 +  }
    1.80 +  *dest = diff;
    1.81 +}
    1.82 +
    1.83 +OIL_DEFINE_IMPL_REF (sad8x8_u8_avg_ref, sad8x8_u8_avg);
    1.84 +
    1.85 +
    1.86 +
    1.87 +
    1.88 +#ifdef	__SYMBIAN32__
    1.89 + 
    1.90 +OilFunctionClass* __oil_function_class_sad8x8_u8_avg() {
    1.91 +		return &_oil_function_class_sad8x8_u8_avg;
    1.92 +}
    1.93 +#endif
    1.94 +
    1.95 +
    1.96 +
    1.97 +#ifdef	__SYMBIAN32__
    1.98 + 
    1.99 +OilFunctionImpl* __oil_function_impl_sad8x8_u8_avg_ref() {
   1.100 +		return &_oil_function_impl_sad8x8_u8_avg_ref;
   1.101 +}
   1.102 +#endif
   1.103 +
   1.104 +
   1.105 +
   1.106 +#ifdef	__SYMBIAN32__
   1.107 + 
   1.108 +EXPORT_C void** _oil_function_class_ptr_sad8x8_u8_avg ()	{
   1.109 +	oil_function_class_ptr_sad8x8_u8_avg = __oil_function_class_sad8x8_u8_avg();
   1.110 +	return &oil_function_class_ptr_sad8x8_u8_avg->func;
   1.111 +	}
   1.112 +#endif
   1.113 +