os/ossrv/genericopenlibs/liboil/src/jpeg/quantize8x8_c.c
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     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 #include "jpeg.h"
    35 
    36 /**
    37  * oil_dequantize8x8_s16:
    38  * @d_8x8:
    39  * @dstr:
    40  * @s1_8x8:
    41  * @sstr1:
    42  * @s2_8x8:
    43  *
    44  * Multiplies each element in @s1_8x8 by the corresponding element
    45  * in @s2_8x8 and places the result in @d_8x8.
    46  */
    47 OIL_DEFINE_CLASS (dequantize8x8_s16, 
    48     "int16_t *d_8x8, int dstr, int16_t *s1_8x8, int sstr1, "
    49     "int16_t *s2_8x8, int sstr2");
    50 
    51 #define BLOCK8x8_S16(ptr, stride, row, column) \
    52 	(*((int16_t *)((unsigned char *)ptr + stride*row) + column))
    53 
    54 static void
    55 dequantize8x8_s16_ref (int16_t *dest, int dstr, int16_t *src, int sstr,
    56     int16_t *quant, int qstr)
    57 {
    58 	int i,j;
    59 
    60 	for(i=0;i<8;i++){
    61 		for(j=0;j<8;j++){
    62 			BLOCK8x8_S16(dest,dstr,i,j) =
    63 				BLOCK8x8_S16(src,sstr,i,j) *
    64 				BLOCK8x8_S16(quant,qstr,i,j);
    65 		}
    66 	}
    67 }
    68 
    69 OIL_DEFINE_IMPL_REF (dequantize8x8_s16_ref, dequantize8x8_s16);
    70 
    71 
    72 
    73 #ifdef	__SYMBIAN32__
    74  
    75 OilFunctionClass* __oil_function_class_dequantize8x8_s16() {
    76 		return &_oil_function_class_dequantize8x8_s16;
    77 }
    78 #endif
    79 
    80 
    81 
    82 #ifdef	__SYMBIAN32__
    83  
    84 OilFunctionImpl* __oil_function_impl_dequantize8x8_s16_ref() {
    85 		return &_oil_function_impl_dequantize8x8_s16_ref;
    86 }
    87 #endif
    88 
    89 
    90 
    91 #ifdef	__SYMBIAN32__
    92  
    93 EXPORT_C void** _oil_function_class_ptr_dequantize8x8_s16 ()	{
    94 	oil_function_class_ptr_dequantize8x8_s16 = __oil_function_class_dequantize8x8_s16();
    95 	return &oil_function_class_ptr_dequantize8x8_s16->func;
    96 	}
    97 #endif
    98