1 /*

     2  * LIBOIL - Library of Optimized Inner Loops

     3  * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>

     4  * All rights reserved.

     5  *

     6  * Redistribution and use in source and binary forms, with or without

     7  * modification, are permitted provided that the following conditions

     8  * are met:

     9  * 1. Redistributions of source code must retain the above copyright

    10  *    notice, this list of conditions and the following disclaimer.

    11  * 2. Redistributions in binary form must reproduce the above copyright

    12  *    notice, this list of conditions and the following disclaimer in the

    13  *    documentation and/or other materials provided with the distribution.

    14  * 

    15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

    16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

    17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,

    19  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

    20  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

    21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

    22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

    23  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING

    24  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

    25  * POSSIBILITY OF SUCH DAMAGE.

    26  */

    27 //Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 

    28 

    29 #ifdef HAVE_CONFIG_H

    30 #include "config.h"

    31 #endif

    32 

    33 #include <liboil/liboil.h>

    34 

    35 #include "jpeg.h"

    36 

    37 /**

    38  * oil_scanlinescale2_u8:

    39  * @d: destination array

    40  * @s: source array

    41  * @n: number of elements

    42  *

    43  * Upsamples the source array by a factor of two.  That is, if the

    44  * values in @s are A,B,C,D,E, the values written to @d are

    45  * A,A,B,B,C,C,D,D,E,E.  Note that @n is the number of elements

    46  * written to @d, and that half of @s is not used.

    47  */

    48 OIL_DEFINE_CLASS (scanlinescale2_u8, "uint8_t *d, uint8_t *s, int n");

    49 

    50 static void

    51 scanlinescale2_u8_ref (uint8_t *dest, uint8_t *src, int n)

    52 {

    53 	int i;

    54 

    55 	for(i=0;i<n;i++){

    56 		dest[i] = src[i/2];

    57 	}

    58 }

    59 

    60 OIL_DEFINE_IMPL_REF (scanlinescale2_u8_ref, scanlinescale2_u8);

    61 

    62 

    63 

    64 #ifdef	__SYMBIAN32__

    65  

    66 OilFunctionClass* __oil_function_class_scanlinescale2_u8() {

    67 		return &_oil_function_class_scanlinescale2_u8;

    68 }

    69 #endif

    70 

    71 

    72 

    73 #ifdef	__SYMBIAN32__

    74  

    75 OilFunctionImpl* __oil_function_impl_scanlinescale2_u8_ref() {

    76 		return &_oil_function_impl_scanlinescale2_u8_ref;

    77 }

    78 #endif

    79 

    80 

    81 

    82 #ifdef	__SYMBIAN32__

    83  

    84 EXPORT_C void** _oil_function_class_ptr_scanlinescale2_u8 ()	{

    85 	oil_function_class_ptr_scanlinescale2_u8 = __oil_function_class_scanlinescale2_u8();

    86 	return &oil_function_class_ptr_scanlinescale2_u8->func;

    87 	}

    88 #endif

    89