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.
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/*
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 * LIBOIL - Library of Optimized Inner Loops
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 * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 * POSSIBILITY OF SUCH DAMAGE.
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 */
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//Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <liboil/liboil.h>
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#include "jpeg.h"
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/**
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 * oil_dequantize8x8_s16:
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 * @d_8x8:
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 * @dstr:
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 * @s1_8x8:
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 * @sstr1:
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 * @s2_8x8:
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 *
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 * Multiplies each element in @s1_8x8 by the corresponding element
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 * in @s2_8x8 and places the result in @d_8x8.
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 */
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OIL_DEFINE_CLASS (dequantize8x8_s16, 
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    "int16_t *d_8x8, int dstr, int16_t *s1_8x8, int sstr1, "
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    "int16_t *s2_8x8, int sstr2");
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#define BLOCK8x8_S16(ptr, stride, row, column) \
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	(*((int16_t *)((unsigned char *)ptr + stride*row) + column))
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static void
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dequantize8x8_s16_ref (int16_t *dest, int dstr, int16_t *src, int sstr,
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    int16_t *quant, int qstr)
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{
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	int i,j;
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	for(i=0;i<8;i++){
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		for(j=0;j<8;j++){
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			BLOCK8x8_S16(dest,dstr,i,j) =
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				BLOCK8x8_S16(src,sstr,i,j) *
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				BLOCK8x8_S16(quant,qstr,i,j);
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		}
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	}
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}
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OIL_DEFINE_IMPL_REF (dequantize8x8_s16_ref, dequantize8x8_s16);
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#ifdef	__SYMBIAN32__
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OilFunctionClass* __oil_function_class_dequantize8x8_s16() {
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		return &_oil_function_class_dequantize8x8_s16;
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}
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#endif
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#ifdef	__SYMBIAN32__
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OilFunctionImpl* __oil_function_impl_dequantize8x8_s16_ref() {
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		return &_oil_function_impl_dequantize8x8_s16_ref;
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}
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#endif
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#ifdef	__SYMBIAN32__
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EXPORT_C void** _oil_function_class_ptr_dequantize8x8_s16 ()	{
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	oil_function_class_ptr_dequantize8x8_s16 = __oil_function_class_dequantize8x8_s16();
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	return &oil_function_class_ptr_dequantize8x8_s16->func;
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	}
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#endif
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