--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/liboil/src/dct/idct8x8theora_ref.c Tue Aug 31 16:54:36 2010 +0300
@@ -0,0 +1,254 @@
+/*
+ * LIBOIL - Library of Optimized Inner Loops
+ * Copyright (c) 2001,2002,2003,2004 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 <liboil/liboiltest.h>
+#include <liboil/liboilrandom.h>
+#include "liboil/dct/dct.h"
+#include <math.h>
+
+#ifdef __SYMBIAN32__
+#ifdef __WINSCW__
+#pragma warn_unusedarg off
+#endif//__WINSCW__
+#endif//__SYMBIAN32__
+
+static void
+idct8theora_s16_test (OilTest *test)
+{
+ int i;
+ int stride = test->params[OIL_ARG_SSTR1].value;
+ uint16_t *ptr = (uint16_t *)oil_test_get_source_data(test,OIL_ARG_SRC1);
+
+ for(i=0;i<8;i++){
+ OIL_GET(ptr, i*stride, int16_t) = oil_rand_s16() >> 3;
+ //OIL_GET(ptr, i*stride, int16_t) = 0;
+ }
+ //OIL_GET(ptr, 0*stride, int16_t) = 100;
+
+}
+
+static void
+idct8x8theora_s16_test (OilTest *test)
+{
+ int i;
+ int j;
+ int stride = test->params[OIL_ARG_SSTR1].value;
+ uint16_t *ptr = (uint16_t *)oil_test_get_source_data(test,OIL_ARG_SRC1);
+
+ for(i=0;i<8;i++){
+ for(j=0;j<8;j++){
+ OIL_GET(ptr, i*stride + j*2, int16_t) = oil_rand_s16() >> 3;
+ }
+ }
+
+}
+
+/**
+ * oil_idct8theora_s16:
+ * @d_8:
+ * @dstr:
+ * @s_8:
+ * @sstr:
+ *
+ * Performs a Inverse Discrete Cosine Transform on @s_8 and places
+ * the result in @d_8, as defined by the Theora specification.
+ */
+OIL_DEFINE_CLASS_FULL (idct8theora_s16, "int16_t *d_8, int dstr, int16_t *s_8, int sstr", idct8theora_s16_test);
+/**
+ * oil_idct8x8theora_s16:
+ * @d_8x8:
+ * @dstr:
+ * @s_8x8:
+ * @sstr:
+ *
+ * Performs a Inverse Discrete Cosine Transform on @s_8x8 and places
+ * the result in @d_8x8, as defined by the Theora specification.
+ */
+OIL_DEFINE_CLASS_FULL (idct8x8theora_s16, "int16_t *d_8x8, int dstr, int16_t *s_8x8, int sstr", idct8x8theora_s16_test);
+
+
+
+#define C1 64277
+#define C2 60547
+#define C3 54491
+#define C4 46341
+#define C5 36410
+#define C6 25080
+#define C7 12785
+
+#define S7 64277
+#define S6 60547
+#define S5 54491
+#define S4 46341
+#define S3 36410
+#define S2 25080
+#define S1 12785
+
+#define TRUNC(x) ((int16_t)x)
+#define MULT(a,b) (((a)*(b))>>16)
+
+static void
+idct8theora_s16_ref (int16_t *dest, int dstr, const int16_t *src, int sstr)
+{
+ int32_t t[10];
+ int32_t r;
+
+#define Y(i) OIL_GET(src,sstr*(i),int16_t)
+#define X(i) OIL_GET(dest,sstr*(i),int16_t)
+
+ /* the ordering here corresponds closely to the theora spec */
+ t[0] = MULT(C4, Y(0) + Y(4));
+ t[0] = TRUNC(t[0]);
+ t[1] = MULT(C4, Y(0) - Y(4));
+ t[1] = TRUNC(t[1]);
+ t[2] = MULT(C6, Y(2)) - MULT(S6, Y(6));
+ t[3] = MULT(S6, Y(2)) + MULT(C6, Y(6));
+ t[4] = MULT(C7, Y(1)) - MULT(S7, Y(7));
+ t[5] = MULT(C3, Y(5)) - MULT(S3, Y(3));
+ t[6] = MULT(S3, Y(5)) + MULT(C3, Y(3));
+ t[7] = MULT(S7, Y(1)) + MULT(C7, Y(7));
+ r = t[4] + t[5];
+ t[5] = MULT(C4, t[4] - t[5]);
+ t[5] = TRUNC(t[5]);
+ t[4] = r;
+ r = t[7] + t[6];
+ t[6] = MULT(C4, t[7] - t[6]);
+ t[6] = TRUNC(t[6]);
+ t[7] = r;
+ r = t[0] + t[3];
+ t[3] = t[0] - t[3];
+ t[0] = r;
+ r = t[1] + t[2];
+ t[2] = t[1] - t[2];
+ t[1] = r;
+ r = t[6] + t[5];
+ t[5] = t[6] - t[5];
+ t[6] = r;
+ r = t[0] + t[7];
+ r = TRUNC(r);
+ X(0) = r;
+ r = t[1] + t[6];
+ r = TRUNC(r);
+ X(1) = r;
+ r = t[2] + t[5];
+ r = TRUNC(r);
+ X(2) = r;
+ r = t[3] + t[4];
+ r = TRUNC(r);
+ X(3) = r;
+ r = t[3] - t[4];
+ r = TRUNC(r);
+ X(4) = r;
+ r = t[2] - t[5];
+ r = TRUNC(r);
+ X(5) = r;
+ r = t[1] - t[6];
+ r = TRUNC(r);
+ X(6) = r;
+ r = t[0] - t[7];
+ r = TRUNC(r);
+ X(7) = r;
+}
+OIL_DEFINE_IMPL_REF (idct8theora_s16_ref, idct8theora_s16);
+
+
+static void
+idct8x8theora_s16_ref (int16_t *dest, int dstr, const int16_t *src, int sstr)
+{
+ int i;
+ int16_t tmp[64];
+
+ for(i=0;i<8;i++){
+ idct8theora_s16_ref(
+ OIL_OFFSET(tmp, 8*sizeof(int16_t) * i), sizeof(int16_t),
+ OIL_OFFSET(src, sstr * i), sizeof(int16_t));
+ }
+ for(i=0;i<8;i++){
+ idct8theora_s16_ref(
+ OIL_OFFSET(dest, sizeof(int16_t) * i), dstr,
+ OIL_OFFSET(tmp, sizeof(int16_t) * i), sizeof(int16_t) * 8);
+ }
+}
+OIL_DEFINE_IMPL_REF (idct8x8theora_s16_ref, idct8x8theora_s16);
+
+
+
+
+#ifdef __SYMBIAN32__
+
+OilFunctionClass* __oil_function_class_idct8theora_s16() {
+ return &_oil_function_class_idct8theora_s16;
+}
+#endif
+
+#ifdef __SYMBIAN32__
+
+OilFunctionClass* __oil_function_class_idct8x8theora_s16() {
+ return &_oil_function_class_idct8x8theora_s16;
+}
+#endif
+
+
+
+#ifdef __SYMBIAN32__
+
+OilFunctionImpl* __oil_function_impl_idct8theora_s16_ref() {
+ return &_oil_function_impl_idct8theora_s16_ref;
+}
+#endif
+
+#ifdef __SYMBIAN32__
+
+OilFunctionImpl* __oil_function_impl_idct8x8theora_s16_ref() {
+ return &_oil_function_impl_idct8x8theora_s16_ref;
+}
+#endif
+
+
+
+#ifdef __SYMBIAN32__
+
+EXPORT_C void** _oil_function_class_ptr_idct8theora_s16 () {
+ oil_function_class_ptr_idct8theora_s16 = __oil_function_class_idct8theora_s16();
+ return &oil_function_class_ptr_idct8theora_s16->func;
+ }
+#endif
+
+#ifdef __SYMBIAN32__
+
+EXPORT_C void** _oil_function_class_ptr_idct8x8theora_s16 () {
+ oil_function_class_ptr_idct8x8theora_s16 = __oil_function_class_idct8x8theora_s16();
+ return &oil_function_class_ptr_idct8x8theora_s16->func;
+ }
+#endif
+