97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
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/*****************************************************************************
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*
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* This program is free software ; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* $Id: block_half.c 284 2005-10-04 08:54:26Z picard $
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*
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* The Core Pocket Media Player
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* Copyright (c) 2004-2005 Gabor Kovacs
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*
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****************************************************************************/
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#include "../common.h"
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#include "softidct.h"
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#if defined(CONFIG_IDCT_LOWRES)
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#define Statistics(a,b,c,d)
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void Copy420Half(softidct* p,int x,int y,int Forward)
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{
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SetPtr420(p,x,y,1);
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CopyBlock8x8(p->RefPtr[Forward],p->DstPtr,p->CurrPitch,p->CurrPitch);
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IncPtrLum(p);
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CopyBlock4x4(p->RefPtr[Forward],p->DstPtr,p->CurrPitch,p->CurrPitch);
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IncPtr(p,1,1);
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CopyBlock4x4(p->RefPtr[Forward],p->DstPtr,p->CurrPitch,p->CurrPitch);
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EMMS();
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}
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void Process420Half(softidct* p,int x,int y)
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{
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ProcessHead(p,x,y);
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SetPtr420(p,x,y,1);
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ProcessTail(p,x,y);
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}
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void Process422Half(softidct* p,int x,int y)
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{
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ProcessHead(p,x,y);
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SetPtr422(p,x,y,1);
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ProcessTail(p,x,y);
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}
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void Process444Half(softidct* p,int x,int y)
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{
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ProcessHead(p,x,y);
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SetPtr444(p,x,y,1);
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ProcessTail(p,x,y);
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}
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#define HALF
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#define Intra8x8 Intra8x8Half
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#define Inter8x8Back Inter8x8BackHalf
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#define Inter8x8BackFwd Inter8x8BackFwdHalf
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#include "block.h"
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void Process420Quarter(softidct* p,int x,int y)
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{
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ProcessHead(p,x,y);
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SetPtr420(p,x,y,2);
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ProcessTail(p,x,y);
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}
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void Process422Quarter(softidct* p,int x,int y)
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{
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ProcessHead(p,x,y);
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SetPtr422(p,x,y,2);
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ProcessTail(p,x,y);
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}
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void Process444Quarter(softidct* p,int x,int y)
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{
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ProcessHead(p,x,y);
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SetPtr444(p,x,y,2);
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ProcessTail(p,x,y);
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}
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#undef HALF
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#define QUARTER
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#undef Intra8x8
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#define Intra8x8 Intra8x8Quarter
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#include "block.h"
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#endif
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