genericopenlibs/liboil/src/jpeg/quantize8x8_c.c
branchRCL_3
changeset 56 acd3cd4aaceb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/liboil/src/jpeg/quantize8x8_c.c	Tue Aug 31 16:54:36 2010 +0300
@@ -0,0 +1,98 @@
+/*
+ * LIBOIL - Library of Optimized Inner Loops
+ * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+//Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <liboil/liboil.h>
+#include "jpeg.h"
+
+/**
+ * oil_dequantize8x8_s16:
+ * @d_8x8:
+ * @dstr:
+ * @s1_8x8:
+ * @sstr1:
+ * @s2_8x8:
+ *
+ * Multiplies each element in @s1_8x8 by the corresponding element
+ * in @s2_8x8 and places the result in @d_8x8.
+ */
+OIL_DEFINE_CLASS (dequantize8x8_s16, 
+    "int16_t *d_8x8, int dstr, int16_t *s1_8x8, int sstr1, "
+    "int16_t *s2_8x8, int sstr2");
+
+#define BLOCK8x8_S16(ptr, stride, row, column) \
+	(*((int16_t *)((unsigned char *)ptr + stride*row) + column))
+
+static void
+dequantize8x8_s16_ref (int16_t *dest, int dstr, int16_t *src, int sstr,
+    int16_t *quant, int qstr)
+{
+	int i,j;
+
+	for(i=0;i<8;i++){
+		for(j=0;j<8;j++){
+			BLOCK8x8_S16(dest,dstr,i,j) =
+				BLOCK8x8_S16(src,sstr,i,j) *
+				BLOCK8x8_S16(quant,qstr,i,j);
+		}
+	}
+}
+
+OIL_DEFINE_IMPL_REF (dequantize8x8_s16_ref, dequantize8x8_s16);
+
+
+
+#ifdef	__SYMBIAN32__
+ 
+OilFunctionClass* __oil_function_class_dequantize8x8_s16() {
+		return &_oil_function_class_dequantize8x8_s16;
+}
+#endif
+
+
+
+#ifdef	__SYMBIAN32__
+ 
+OilFunctionImpl* __oil_function_impl_dequantize8x8_s16_ref() {
+		return &_oil_function_impl_dequantize8x8_s16_ref;
+}
+#endif
+
+
+
+#ifdef	__SYMBIAN32__
+ 
+EXPORT_C void** _oil_function_class_ptr_dequantize8x8_s16 ()	{
+	oil_function_class_ptr_dequantize8x8_s16 = __oil_function_class_dequantize8x8_s16();
+	return &oil_function_class_ptr_dequantize8x8_s16->func;
+	}
+#endif
+