author | William Roberts <williamr@symbian.org> |
Thu, 22 Jul 2010 16:48:56 +0100 | |
branch | GCC_SURGE |
changeset 45 | 4b03adbd26ca |
parent 18 | 47c74d1534e1 |
permissions | -rw-r--r-- |
18
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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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|
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/******************************************************************** |
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* * |
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* THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. * |
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* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * |
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* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * |
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* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * |
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* * |
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* THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2003 * |
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* by the Xiph.Org Foundation http://www.xiph.org/ * |
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* * |
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******************************************************************** |
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|
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function: |
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last mod: $Id: fdct8x8theora.c,v 1.3 2005-12-16 17:30:40 ds Exp $ |
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|
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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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|
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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|
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#include <liboil/liboilfunction.h> |
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#include <liboil/liboilfuncs.h> |
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#include "liboil/dct/dct.h" |
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#include <math.h> |
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|
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static int32_t xC1S7 = 64277; |
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static int32_t xC2S6 = 60547; |
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static int32_t xC3S5 = 54491; |
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static int32_t xC4S4 = 46341; |
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static int32_t xC5S3 = 36410; |
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static int32_t xC6S2 = 25080; |
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static int32_t xC7S1 = 12785; |
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|
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#define SIGNBITDUPPED(X) ((signed )(((X) & 0x80000000)) >> 31) |
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#define DOROUND(X) ( (SIGNBITDUPPED(X) & (0xffff)) + (X) ) |
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|
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/** |
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* oil_fdct8x8theora: |
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* @s_8x8: |
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* @d_8x8: |
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* |
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* Calculates the FDCT transformation of @s_8x8 according to the Theora |
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* specification and places the result in @d_8x8. |
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* |
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* Note that the source and destination arrays are reversed compared |
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* to normal Liboil order. |
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*/ |
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OIL_DEFINE_CLASS(fdct8x8theora, "int16_t *s_8x8, int16_t *d_8x8"); |
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static void |
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fdct8x8theora_ref(const int16_t *src, int16_t *dest) |
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{ |
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int loop; |
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int32_t is07, is12, is34, is56; |
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int32_t is0734, is1256; |
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int32_t id07, id12, id34, id56; |
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int32_t irot_input_x, irot_input_y; |
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int32_t icommon_product1; /* Re-used product (c4s4 * (s12 - s56)). */ |
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int32_t icommon_product2; /* Re-used product (c4s4 * (d12 + d56)). */ |
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int32_t temp1, temp2; /* intermediate variable for computation */ |
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int32_t InterData[64]; |
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int32_t *ip = InterData; |
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int16_t * op = dest; |
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for (loop = 0; loop < 8; loop++){ |
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/* Pre calculate some common sums and differences. */ |
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is07 = src[0] + src[7]; |
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parents:
diff
changeset
|
100 |
is12 = src[1] + src[2]; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
101 |
is34 = src[3] + src[4]; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
102 |
is56 = src[5] + src[6]; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
103 |
|
47c74d1534e1
Revision: 201011
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parents:
diff
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|
104 |
id07 = src[0] - src[7]; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
105 |
id12 = src[1] - src[2]; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
106 |
id34 = src[3] - src[4]; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
107 |
id56 = src[5] - src[6]; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
108 |
|
47c74d1534e1
Revision: 201011
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parents:
diff
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|
109 |
is0734 = is07 + is34; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
110 |
is1256 = is12 + is56; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
111 |
|
47c74d1534e1
Revision: 201011
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parents:
diff
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|
112 |
/* Pre-Calculate some common product terms. */ |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
113 |
icommon_product1 = xC4S4*(is12 - is56); |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
114 |
icommon_product1 = DOROUND(icommon_product1); |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
115 |
icommon_product1>>=16; |
47c74d1534e1
Revision: 201011
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|
116 |
|
47c74d1534e1
Revision: 201011
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|
117 |
icommon_product2 = xC4S4*(id12 + id56); |
47c74d1534e1
Revision: 201011
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|
118 |
icommon_product2 = DOROUND(icommon_product2); |
47c74d1534e1
Revision: 201011
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|
119 |
icommon_product2>>=16; |
47c74d1534e1
Revision: 201011
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|
120 |
|
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121 |
|
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122 |
ip[0] = (xC4S4*(is0734 + is1256)); |
47c74d1534e1
Revision: 201011
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|
123 |
ip[0] = DOROUND(ip[0]); |
47c74d1534e1
Revision: 201011
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parents:
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124 |
ip[0] >>= 16; |
47c74d1534e1
Revision: 201011
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|
125 |
|
47c74d1534e1
Revision: 201011
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|
126 |
ip[4] = (xC4S4*(is0734 - is1256)); |
47c74d1534e1
Revision: 201011
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|
127 |
ip[4] = DOROUND(ip[4]); |
47c74d1534e1
Revision: 201011
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|
128 |
ip[4] >>= 16; |
47c74d1534e1
Revision: 201011
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|
129 |
|
47c74d1534e1
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|
130 |
/* Define inputs to rotation for outputs 2 and 6 */ |
47c74d1534e1
Revision: 201011
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|
131 |
irot_input_x = id12 - id56; |
47c74d1534e1
Revision: 201011
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132 |
irot_input_y = is07 - is34; |
47c74d1534e1
Revision: 201011
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|
133 |
|
47c74d1534e1
Revision: 201011
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|
134 |
/* Apply rotation for outputs 2 and 6. */ |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
135 |
temp1=xC6S2*irot_input_x; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
136 |
temp1=DOROUND(temp1); |
47c74d1534e1
Revision: 201011
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parents:
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|
137 |
temp1>>=16; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
138 |
temp2=xC2S6*irot_input_y; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
139 |
temp2=DOROUND(temp2); |
47c74d1534e1
Revision: 201011
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parents:
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|
140 |
temp2>>=16; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
141 |
ip[2] = temp1 + temp2; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
142 |
|
47c74d1534e1
Revision: 201011
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parents:
diff
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|
143 |
temp1=xC6S2*irot_input_y; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
144 |
temp1=DOROUND(temp1); |
47c74d1534e1
Revision: 201011
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parents:
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|
145 |
temp1>>=16; |
47c74d1534e1
Revision: 201011
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parents:
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|
146 |
temp2=xC2S6*irot_input_x ; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
147 |
temp2=DOROUND(temp2); |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
148 |
temp2>>=16; |
47c74d1534e1
Revision: 201011
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parents:
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|
149 |
ip[6] = temp1 -temp2 ; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
150 |
|
47c74d1534e1
Revision: 201011
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parents:
diff
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|
151 |
/* Define inputs to rotation for outputs 1 and 7 */ |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
152 |
irot_input_x = icommon_product1 + id07; |
47c74d1534e1
Revision: 201011
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diff
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|
153 |
irot_input_y = -( id34 + icommon_product2 ); |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
154 |
|
47c74d1534e1
Revision: 201011
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parents:
diff
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|
155 |
/* Apply rotation for outputs 1 and 7. */ |
47c74d1534e1
Revision: 201011
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diff
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|
156 |
|
47c74d1534e1
Revision: 201011
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parents:
diff
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|
157 |
temp1=xC1S7*irot_input_x; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
158 |
temp1=DOROUND(temp1); |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
159 |
temp1>>=16; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
160 |
temp2=xC7S1*irot_input_y; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
161 |
temp2=DOROUND(temp2); |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
162 |
temp2>>=16; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
163 |
ip[1] = temp1 - temp2; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
164 |
|
47c74d1534e1
Revision: 201011
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parents:
diff
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|
165 |
temp1=xC7S1*irot_input_x; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
166 |
temp1=DOROUND(temp1); |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
167 |
temp1>>=16; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
168 |
temp2=xC1S7*irot_input_y ; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
169 |
temp2=DOROUND(temp2); |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
170 |
temp2>>=16; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
171 |
ip[7] = temp1 + temp2 ; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
172 |
|
47c74d1534e1
Revision: 201011
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parents:
diff
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|
173 |
/* Define inputs to rotation for outputs 3 and 5 */ |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
174 |
irot_input_x = id07 - icommon_product1; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
175 |
irot_input_y = id34 - icommon_product2; |
47c74d1534e1
Revision: 201011
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|
176 |
|
47c74d1534e1
Revision: 201011
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|
177 |
/* Apply rotation for outputs 3 and 5. */ |
47c74d1534e1
Revision: 201011
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|
178 |
temp1=xC3S5*irot_input_x; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
179 |
temp1=DOROUND(temp1); |
47c74d1534e1
Revision: 201011
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|
180 |
temp1>>=16; |
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Revision: 201011
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|
181 |
temp2=xC5S3*irot_input_y ; |
47c74d1534e1
Revision: 201011
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diff
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|
182 |
temp2=DOROUND(temp2); |
47c74d1534e1
Revision: 201011
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diff
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|
183 |
temp2>>=16; |
47c74d1534e1
Revision: 201011
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parents:
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|
184 |
ip[3] = temp1 - temp2 ; |
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Revision: 201011
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|
185 |
|
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|
186 |
temp1=xC5S3*irot_input_x; |
47c74d1534e1
Revision: 201011
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parents:
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|
187 |
temp1=DOROUND(temp1); |
47c74d1534e1
Revision: 201011
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parents:
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|
188 |
temp1>>=16; |
47c74d1534e1
Revision: 201011
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parents:
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|
189 |
temp2=xC3S5*irot_input_y; |
47c74d1534e1
Revision: 201011
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parents:
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|
190 |
temp2=DOROUND(temp2); |
47c74d1534e1
Revision: 201011
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parents:
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|
191 |
temp2>>=16; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
192 |
ip[5] = temp1 + temp2; |
47c74d1534e1
Revision: 201011
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diff
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|
193 |
|
47c74d1534e1
Revision: 201011
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parents:
diff
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|
194 |
/* Increment data pointer for next row. */ |
47c74d1534e1
Revision: 201011
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|
195 |
src += 8 ; |
47c74d1534e1
Revision: 201011
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|
196 |
ip += 8; /* advance pointer to next row */ |
47c74d1534e1
Revision: 201011
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|
197 |
|
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198 |
} |
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Revision: 201011
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diff
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|
199 |
|
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|
200 |
|
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Revision: 201011
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parents:
diff
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|
201 |
/* Performed DCT on rows, now transform the columns */ |
47c74d1534e1
Revision: 201011
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parents:
diff
changeset
|
202 |
ip = InterData; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
203 |
for (loop = 0; loop < 8; loop++){ |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
204 |
/* Pre calculate some common sums and differences. */ |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
205 |
is07 = ip[0 * 8] + ip[7 * 8]; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
206 |
is12 = ip[1 * 8] + ip[2 * 8]; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
207 |
is34 = ip[3 * 8] + ip[4 * 8]; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
208 |
is56 = ip[5 * 8] + ip[6 * 8]; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
209 |
|
47c74d1534e1
Revision: 201011
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parents:
diff
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|
210 |
id07 = ip[0 * 8] - ip[7 * 8]; |
47c74d1534e1
Revision: 201011
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parents:
diff
changeset
|
211 |
id12 = ip[1 * 8] - ip[2 * 8]; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
212 |
id34 = ip[3 * 8] - ip[4 * 8]; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
213 |
id56 = ip[5 * 8] - ip[6 * 8]; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
214 |
|
47c74d1534e1
Revision: 201011
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parents:
diff
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|
215 |
is0734 = is07 + is34; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
216 |
is1256 = is12 + is56; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
217 |
|
47c74d1534e1
Revision: 201011
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parents:
diff
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|
218 |
/* Pre-Calculate some common product terms. */ |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
219 |
icommon_product1 = xC4S4*(is12 - is56) ; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
220 |
icommon_product2 = xC4S4*(id12 + id56) ; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
221 |
icommon_product1 = DOROUND(icommon_product1); |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
222 |
icommon_product2 = DOROUND(icommon_product2); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
223 |
icommon_product1>>=16; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
224 |
icommon_product2>>=16; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
225 |
|
47c74d1534e1
Revision: 201011
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parents:
diff
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|
226 |
|
47c74d1534e1
Revision: 201011
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parents:
diff
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|
227 |
temp1 = xC4S4*(is0734 + is1256) ; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
228 |
temp2 = xC4S4*(is0734 - is1256) ; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
229 |
temp1 = DOROUND(temp1); |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
230 |
temp2 = DOROUND(temp2); |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
231 |
temp1>>=16; |
47c74d1534e1
Revision: 201011
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parents:
diff
changeset
|
232 |
temp2>>=16; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
233 |
op[0*8] = (int16_t) temp1; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
234 |
op[4*8] = (int16_t) temp2; |
47c74d1534e1
Revision: 201011
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parents:
diff
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|
235 |
|
47c74d1534e1
Revision: 201011
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parents:
diff
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|
236 |
/* Define inputs to rotation for outputs 2 and 6 */ |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
237 |
irot_input_x = id12 - id56; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
238 |
irot_input_y = is07 - is34; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
239 |
|
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
240 |
/* Apply rotation for outputs 2 and 6. */ |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
241 |
temp1=xC6S2*irot_input_x; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
242 |
temp1=DOROUND(temp1); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
243 |
temp1>>=16; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
244 |
temp2=xC2S6*irot_input_y; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
245 |
temp2=DOROUND(temp2); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
246 |
temp2>>=16; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
247 |
op[2*8] = (int16_t) (temp1 + temp2); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
248 |
|
47c74d1534e1
Revision: 201011
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parents:
diff
changeset
|
249 |
temp1=xC6S2*irot_input_y; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
250 |
temp1=DOROUND(temp1); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
251 |
temp1>>=16; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
252 |
temp2=xC2S6*irot_input_x ; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
253 |
temp2=DOROUND(temp2); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
254 |
temp2>>=16; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
255 |
op[6*8] = (int16_t) (temp1 -temp2) ; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
256 |
|
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
257 |
/* Define inputs to rotation for outputs 1 and 7 */ |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
258 |
irot_input_x = icommon_product1 + id07; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
259 |
irot_input_y = -( id34 + icommon_product2 ); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
260 |
|
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
261 |
/* Apply rotation for outputs 1 and 7. */ |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
262 |
temp1=xC1S7*irot_input_x; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
263 |
temp1=DOROUND(temp1); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
264 |
temp1>>=16; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
265 |
temp2=xC7S1*irot_input_y; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
266 |
temp2=DOROUND(temp2); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
267 |
temp2>>=16; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
268 |
op[1*8] = (int16_t) (temp1 - temp2); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
269 |
|
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
270 |
temp1=xC7S1*irot_input_x; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
271 |
temp1=DOROUND(temp1); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
272 |
temp1>>=16; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
273 |
temp2=xC1S7*irot_input_y ; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
274 |
temp2=DOROUND(temp2); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
275 |
temp2>>=16; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
276 |
op[7*8] = (int16_t) (temp1 + temp2); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
277 |
|
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
278 |
/* Define inputs to rotation for outputs 3 and 5 */ |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
279 |
irot_input_x = id07 - icommon_product1; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
280 |
irot_input_y = id34 - icommon_product2; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
281 |
|
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
282 |
/* Apply rotation for outputs 3 and 5. */ |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
283 |
temp1=xC3S5*irot_input_x; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
284 |
temp1=DOROUND(temp1); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
285 |
temp1>>=16; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
286 |
temp2=xC5S3*irot_input_y ; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
287 |
temp2=DOROUND(temp2); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
288 |
temp2>>=16; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
289 |
op[3*8] = (int16_t) (temp1 - temp2) ; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
290 |
|
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
291 |
temp1=xC5S3*irot_input_x; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
292 |
temp1=DOROUND(temp1); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
293 |
temp1>>=16; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
294 |
temp2=xC3S5*irot_input_y; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
295 |
temp2=DOROUND(temp2); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
296 |
temp2>>=16; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
297 |
op[5*8] = (int16_t) (temp1 + temp2); |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
298 |
|
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
299 |
/* Increment data pointer for next column. */ |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
300 |
ip ++; |
47c74d1534e1
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
301 |
op ++; |
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} |
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} |
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OIL_DEFINE_IMPL_REF (fdct8x8theora_ref, fdct8x8theora); |
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#ifdef __SYMBIAN32__ |
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OilFunctionClass* __oil_function_class_fdct8x8theora() { |
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return &_oil_function_class_fdct8x8theora; |
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} |
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#endif |
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#ifdef __SYMBIAN32__ |
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OilFunctionImpl* __oil_function_impl_fdct8x8theora_ref() { |
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return &_oil_function_impl_fdct8x8theora_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_fdct8x8theora () { |
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oil_function_class_ptr_fdct8x8theora = __oil_function_class_fdct8x8theora(); |
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return &oil_function_class_ptr_fdct8x8theora->func; |
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} |
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#endif |
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