sl@0: /*
sl@0:  * LIBOIL - Library of Optimized Inner Loops
sl@0:  * Copyright (c) 2001,2002,2003,2004 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: #include <liboil/liboil.h>
sl@0: #include "jpeg.h"
sl@0: 
sl@0: #include <math.h>
sl@0: 
sl@0: /**
sl@0:  * oil_conv8x8_s16_f64:
sl@0:  * @d_8x8:
sl@0:  * @dstr:
sl@0:  * @s_8x8:
sl@0:  * @sstr:
sl@0:  *
sl@0:  * Converts elements in source array @s_8x8 to the destination
sl@0:  * type, placing the results in @d_8x8.
sl@0:  */
sl@0: OIL_DEFINE_CLASS (conv8x8_s16_f64,
sl@0:     "int16_t * d_8x8, int dstr, double *s_8x8, int sstr");
sl@0: /**
sl@0:  * oil_conv8x8_f64_s16:
sl@0:  * @d_8x8:
sl@0:  * @dstr:
sl@0:  * @s_8x8:
sl@0:  * @sstr:
sl@0:  *
sl@0:  * Converts elements in source array @s_8x8 to the destination
sl@0:  * type, placing the results in @d_8x8.  The conversion of source
sl@0:  * values outside the destination range are undefined and
sl@0:  * implementation dependent.
sl@0:  */
sl@0: OIL_DEFINE_CLASS (conv8x8_f64_s16,
sl@0:     "double *d_8x8, int dstr, int16_t * s_8x8, int sstr");
sl@0: /**
sl@0:  * oil_clipconv8x8_u8_s16:
sl@0:  * @d_8x8:
sl@0:  * @dstr:
sl@0:  * @s_8x8:
sl@0:  * @sstr:
sl@0:  *
sl@0:  * Converts elements in source array @s_8x8 to the destination
sl@0:  * type, placing the results in @d_8x8.  Source values outside
sl@0:  * the destination range are clipped to the destination range.
sl@0:  */
sl@0: OIL_DEFINE_CLASS (clipconv8x8_u8_s16,
sl@0:     "uint8_t * d_8x8, int dstr, int16_t * s_8x8, int sstr");
sl@0: 
sl@0: #define BLOCK8x8_F64(ptr, stride, row, column) \
sl@0: 	(*((double *)((unsigned char *)ptr + stride*row) + column))
sl@0: 
sl@0: #define BLOCK8x8_PTR_F64(ptr, stride, row, column) \
sl@0: 	((double *)((unsigned char *)ptr + stride*row) + column)
sl@0: 
sl@0: #define BLOCK8x8_S16(ptr, stride, row, column) \
sl@0: 	(*((int16_t *)((unsigned char *)ptr + stride*row) + column))
sl@0: 
sl@0: #define BLOCK8x8_U8(ptr, stride, row, column) \
sl@0: 	(*((uint8_t *)((unsigned char *)ptr + stride*row) + column))
sl@0: 
sl@0: 
sl@0: static void
sl@0: conv8x8_s16_f64_c (int16_t * dest, int dstr, double *src, int sstr)
sl@0: {
sl@0:   int i, j;
sl@0: 
sl@0:   for (i = 0; i < 8; i++) {
sl@0:     for (j = 0; j < 8; j++) {
sl@0:       BLOCK8x8_S16 (dest, dstr, i, j) = floor (0.5 + BLOCK8x8_F64 (src, sstr, i, j));
sl@0:     }
sl@0:   }
sl@0: }
sl@0: 
sl@0: OIL_DEFINE_IMPL_REF (conv8x8_s16_f64_c, conv8x8_s16_f64);
sl@0: 
sl@0: static void
sl@0: conv8x8_f64_s16_c (double *dest, int dstr, int16_t * src, int sstr)
sl@0: {
sl@0:   int i, j;
sl@0: 
sl@0:   for (i = 0; i < 8; i++) {
sl@0:     for (j = 0; j < 8; j++) {
sl@0:       BLOCK8x8_F64 (dest, dstr, i, j) = BLOCK8x8_S16 (src, sstr, i, j);
sl@0:     }
sl@0:   }
sl@0: }
sl@0: 
sl@0: OIL_DEFINE_IMPL_REF (conv8x8_f64_s16_c, conv8x8_f64_s16);
sl@0: 
sl@0: static void
sl@0: clipconv8x8_u8_s16_c (uint8_t * dest, int dstr, int16_t * src, int sstr)
sl@0: {
sl@0:   int i, j;
sl@0:   int16_t x;
sl@0: 
sl@0:   for (i = 0; i < 8; i++) {
sl@0:     for (j = 0; j < 8; j++) {
sl@0:       x = BLOCK8x8_S16 (src, sstr, i, j);
sl@0:       if (x < 0)
sl@0: 	x = 0;
sl@0:       if (x > 255)
sl@0: 	x = 255;
sl@0:       BLOCK8x8_U8 (dest, dstr, i, j) = x;
sl@0:     }
sl@0:   }
sl@0: }
sl@0: 
sl@0: OIL_DEFINE_IMPL_REF (clipconv8x8_u8_s16_c, clipconv8x8_u8_s16);
sl@0: 
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionClass* __oil_function_class_conv8x8_s16_f64() {
sl@0: 		return &_oil_function_class_conv8x8_s16_f64;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionClass* __oil_function_class_conv8x8_f64_s16() {
sl@0: 		return &_oil_function_class_conv8x8_f64_s16;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionClass* __oil_function_class_clipconv8x8_u8_s16() {
sl@0: 		return &_oil_function_class_clipconv8x8_u8_s16;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: 
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionImpl* __oil_function_impl_conv8x8_s16_f64_c() {
sl@0: 		return &_oil_function_impl_conv8x8_s16_f64_c;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionImpl* __oil_function_impl_conv8x8_f64_s16_c() {
sl@0: 		return &_oil_function_impl_conv8x8_f64_s16_c;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: OilFunctionImpl* __oil_function_impl_clipconv8x8_u8_s16_c() {
sl@0: 		return &_oil_function_impl_clipconv8x8_u8_s16_c;
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_conv8x8_s16_f64 ()	{
sl@0: 	oil_function_class_ptr_conv8x8_s16_f64 = __oil_function_class_conv8x8_s16_f64();
sl@0: 	return &oil_function_class_ptr_conv8x8_s16_f64->func;
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: EXPORT_C void** _oil_function_class_ptr_conv8x8_f64_s16 ()	{
sl@0: 	oil_function_class_ptr_conv8x8_f64_s16 = __oil_function_class_conv8x8_f64_s16();
sl@0: 	return &oil_function_class_ptr_conv8x8_f64_s16->func;
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: #ifdef	__SYMBIAN32__
sl@0:  
sl@0: EXPORT_C void** _oil_function_class_ptr_clipconv8x8_u8_s16 ()	{
sl@0: 	oil_function_class_ptr_clipconv8x8_u8_s16 = __oil_function_class_clipconv8x8_u8_s16();
sl@0: 	return &oil_function_class_ptr_clipconv8x8_u8_s16->func;
sl@0: 	}
sl@0: #endif
sl@0: