sl@0: /*
sl@0:  * LIBOIL - Library of Optimized Inner Loops
sl@0:  * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
sl@0:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
sl@0:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
sl@0:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
sl@0:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
sl@0:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
sl@0:  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
sl@0:  * POSSIBILITY OF SUCH DAMAGE.
sl@0:  */
sl@0: //Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 
sl@0: 
sl@0: #ifdef HAVE_CONFIG_H
sl@0: #include "config.h"
sl@0: #endif
sl@0: 
sl@0: #include <liboilfunction.h>
sl@0: 
sl@0: /**
sl@0:  * oil_diff8x8_s16_u8:
sl@0:  * @d_8x8:
sl@0:  * @s1_8x8:
sl@0:  * @ss1:
sl@0:  * @s2_8x8:
sl@0:  * @ss2:
sl@0:  *
sl@0:  * Calculates the difference of each value in @s1_8x8 and @s2_8x8
sl@0:  * and places the result in @d_8x8.  Note that the destination type
sl@0:  * is larger than the source type.
sl@0:  */
sl@0: OIL_DEFINE_CLASS (diff8x8_s16_u8,
sl@0:     "int16_t *d_8x8, uint8_t *s1_8x8, int ss1, uint8_t *s2_8x8, int ss2");
sl@0: /**
sl@0:  * oil_diff8x8_const128_s16_u8:
sl@0:  * @d_8x8:
sl@0:  * @s1_8x8:
sl@0:  * @ss1:
sl@0:  *
sl@0:  * Subtracts 128 from each value in @s1_8x8
sl@0:  * and places the result in @d_8x8.  Note that the destination type
sl@0:  * is larger than the source type.
sl@0:  */
sl@0: OIL_DEFINE_CLASS (diff8x8_const128_s16_u8,
sl@0:     "int16_t *d_8x8, uint8_t *s1_8x8, int ss1");
sl@0: /**
sl@0:  * oil_diff8x8_average_s16_u8:
sl@0:  * @d_8x8:
sl@0:  * @s1_8x8:
sl@0:  * @ss1:
sl@0:  * @s2_8x8:
sl@0:  * @ss2:
sl@0:  * @s3_8x8:
sl@0:  * @ss3:
sl@0:  *
sl@0:  * Calculates the difference of each value in @s1_8x8 and the
sl@0:  * average of @s2_8x8 and @s3_8x8,
sl@0:  * and places the result in @d_8x8.  Note that the destination type
sl@0:  * is larger than the source type.
sl@0:  */
sl@0: OIL_DEFINE_CLASS (diff8x8_average_s16_u8,
sl@0:     "int16_t *d_8x8, uint8_t *s1_8x8, int ss1, uint8_t *s2_8x8, int ss2, uint8_t *s3_8x8, int ss3");
sl@0: 
sl@0: static void
sl@0: diff8x8_s16_u8_ref (int16_t *dest, uint8_t *src1, int ss1, uint8_t *src2, int ss2)
sl@0: {
sl@0:   int i;
sl@0: 
sl@0:   /* For each block row */
sl@0:   for (i=0;i<8;i++ ){
sl@0:     dest[0] = ((int16_t)src1[0]) - ((int16_t)src2[0]);
sl@0:     dest[1] = ((int16_t)src1[1]) - ((int16_t)src2[1]);
sl@0:     dest[2] = ((int16_t)src1[2]) - ((int16_t)src2[2]);
sl@0:     dest[3] = ((int16_t)src1[3]) - ((int16_t)src2[3]);
sl@0:     dest[4] = ((int16_t)src1[4]) - ((int16_t)src2[4]);
sl@0:     dest[5] = ((int16_t)src1[5]) - ((int16_t)src2[5]);
sl@0:     dest[6] = ((int16_t)src1[6]) - ((int16_t)src2[6]);
sl@0:     dest[7] = ((int16_t)src1[7]) - ((int16_t)src2[7]);
sl@0: 
sl@0:     /* Start next row */
sl@0:     src1 += ss1;
sl@0:     src2 += ss2;
sl@0:     dest += 8;
sl@0:   }
sl@0: }
sl@0: OIL_DEFINE_IMPL_REF (diff8x8_s16_u8_ref, diff8x8_s16_u8);
sl@0: 
sl@0: static void
sl@0: diff8x8_const128_s16_u8_ref (int16_t *dest, uint8_t *src1, int ss1)
sl@0: {
sl@0:   int i;
sl@0: 
sl@0:   /* For each block row */
sl@0:   for (i=0;i<8;i++ ){
sl@0:     dest[0] = ((int16_t)src1[0]) - 128;
sl@0:     dest[1] = ((int16_t)src1[1]) - 128;
sl@0:     dest[2] = ((int16_t)src1[2]) - 128;
sl@0:     dest[3] = ((int16_t)src1[3]) - 128;
sl@0:     dest[4] = ((int16_t)src1[4]) - 128;
sl@0:     dest[5] = ((int16_t)src1[5]) - 128;
sl@0:     dest[6] = ((int16_t)src1[6]) - 128;
sl@0:     dest[7] = ((int16_t)src1[7]) - 128;
sl@0: 
sl@0:     /* Start next row */
sl@0:     src1 += ss1;
sl@0:     dest += 8;
sl@0:   }
sl@0: }
sl@0: OIL_DEFINE_IMPL_REF (diff8x8_const128_s16_u8_ref, diff8x8_const128_s16_u8);
sl@0: 
sl@0: static void
sl@0: diff8x8_average_s16_u8_ref (int16_t *dest, uint8_t *src1, int ss1, uint8_t *src2, int ss2, uint8_t *src3, int ss3)
sl@0: {
sl@0:   int i;
sl@0: 
sl@0:   /* For each block row */
sl@0:   for (i=0;i<8;i++ ){
sl@0:     dest[0] = ((int16_t)src1[0]) - ((((int16_t)src2[0]) + ((int16_t)src3[0])) / 2);
sl@0:     dest[1] = ((int16_t)src1[1]) - ((((int16_t)src2[1]) + ((int16_t)src3[1])) / 2);
sl@0:     dest[2] = ((int16_t)src1[2]) - ((((int16_t)src2[2]) + ((int16_t)src3[2])) / 2);
sl@0:     dest[3] = ((int16_t)src1[3]) - ((((int16_t)src2[3]) + ((int16_t)src3[3])) / 2);
sl@0:     dest[4] = ((int16_t)src1[4]) - ((((int16_t)src2[4]) + ((int16_t)src3[4])) / 2);
sl@0:     dest[5] = ((int16_t)src1[5]) - ((((int16_t)src2[5]) + ((int16_t)src3[5])) / 2);
sl@0:     dest[6] = ((int16_t)src1[6]) - ((((int16_t)src2[6]) + ((int16_t)src3[6])) / 2);
sl@0:     dest[7] = ((int16_t)src1[7]) - ((((int16_t)src2[7]) + ((int16_t)src3[7])) / 2);
sl@0: 
sl@0:     /* Start next row */
sl@0:     src1 += ss1;
sl@0:     src2 += ss2;
sl@0:     src3 += ss3;
sl@0:     dest += 8;
sl@0:   }
sl@0: }
sl@0: OIL_DEFINE_IMPL_REF (diff8x8_average_s16_u8_ref, diff8x8_average_s16_u8);
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionClass* __oil_function_class_diff8x8_s16_u8() {
sl@0: 		return &_oil_function_class_diff8x8_s16_u8;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionClass* __oil_function_class_diff8x8_const128_s16_u8() {
sl@0: 		return &_oil_function_class_diff8x8_const128_s16_u8;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionClass* __oil_function_class_diff8x8_average_s16_u8() {
sl@0: 		return &_oil_function_class_diff8x8_average_s16_u8;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: 
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionImpl* __oil_function_impl_diff8x8_s16_u8_ref() {
sl@0: 		return &_oil_function_impl_diff8x8_s16_u8_ref;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionImpl* __oil_function_impl_diff8x8_const128_s16_u8_ref() {
sl@0: 		return &_oil_function_impl_diff8x8_const128_s16_u8_ref;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionImpl* __oil_function_impl_diff8x8_average_s16_u8_ref() {
sl@0: 		return &_oil_function_impl_diff8x8_average_s16_u8_ref;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: 
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: EXPORT_C void** _oil_function_class_ptr_diff8x8_s16_u8 ()	{
sl@0: 	oil_function_class_ptr_diff8x8_s16_u8 = __oil_function_class_diff8x8_s16_u8();
sl@0: 	return &oil_function_class_ptr_diff8x8_s16_u8->func;
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: EXPORT_C void** _oil_function_class_ptr_diff8x8_const128_s16_u8 ()	{
sl@0: 	oil_function_class_ptr_diff8x8_const128_s16_u8 = __oil_function_class_diff8x8_const128_s16_u8();
sl@0: 	return &oil_function_class_ptr_diff8x8_const128_s16_u8->func;
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: EXPORT_C void** _oil_function_class_ptr_diff8x8_average_s16_u8 ()	{
sl@0: 	oil_function_class_ptr_diff8x8_average_s16_u8 = __oil_function_class_diff8x8_average_s16_u8();
sl@0: 	return &oil_function_class_ptr_diff8x8_average_s16_u8->func;
sl@0: 	}
sl@0: #endif
sl@0: