150 lines
3.4 KiB
C
150 lines
3.4 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_mx1.c 271 2005-08-09 08:31:35Z 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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#ifdef FREESCALE_MX1
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void MX1PopNone(struct softidct* p)
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{
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}
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static void MX1Pop(struct softidct* p)
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{
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int x0,x1,x2,x3,x4,x5,x6,x7;
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uint8_t *DstEnd;
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uint8_t *Dst = p->MX1Dst;
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int Pitch = p->MX1Pitch;
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volatile int* MX1 = p->MX1;
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while (!(MX1[-61] & 0x20));
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DstEnd = Dst + Pitch*8;
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do
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{
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x0 = *MX1; x1 = x0 >> (16+7); x0 <<= 16; x0 >>= (16+7);
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x2 = *MX1; x3 = x2 >> (16+7); x2 <<= 16; x2 >>= (16+7);
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x4 = *MX1; x5 = x4 >> (16+7); x4 <<= 16; x4 >>= (16+7);
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x6 = *MX1; x7 = x6 >> (16+7); x6 <<= 16; x6 >>= (16+7);
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if ((x0|x1|x2|x3|x4|x5|x6|x7)>>8)
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{
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SAT(x0)
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SAT(x1)
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SAT(x2)
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SAT(x3)
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SAT(x4)
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SAT(x5)
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SAT(x6)
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SAT(x7)
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}
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Dst[0] = (uint8_t)x0;
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Dst[1] = (uint8_t)x1;
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Dst[2] = (uint8_t)x2;
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Dst[3] = (uint8_t)x3;
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Dst[4] = (uint8_t)x4;
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Dst[5] = (uint8_t)x5;
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Dst[6] = (uint8_t)x6;
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Dst[7] = (uint8_t)x7;
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Dst += Pitch;
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} while (Dst != DstEnd);
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}
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static void MX1PopAdd(struct softidct* p)
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{
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int x0,x1,x2,x3,x4,x5,x6,x7;
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uint8_t *DstEnd;
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uint8_t *Dst = p->MX1Dst;
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uint8_t *Src = p->Tmp;
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int Pitch = p->MX1Pitch;
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volatile int* MX1 = p->MX1;
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while (!(MX1[-61] & 0x20));
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DstEnd = Dst + Pitch*8;
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do
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{
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x0 = *MX1; x1 = x0 >> (16+7); x0 <<= 16; x0 >>= (16+7);
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x2 = *MX1; x3 = x2 >> (16+7); x2 <<= 16; x2 >>= (16+7);
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x4 = *MX1; x5 = x4 >> (16+7); x4 <<= 16; x4 >>= (16+7);
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x6 = *MX1; x7 = x6 >> (16+7); x6 <<= 16; x6 >>= (16+7);
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x0 += Src[0];
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x1 += Src[1];
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x2 += Src[2];
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x3 += Src[3];
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x4 += Src[4];
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x5 += Src[5];
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x6 += Src[6];
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x7 += Src[7];
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Src += 8;
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if ((x0|x1|x2|x3|x4|x5|x6|x7)>>8)
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{
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SAT(x0)
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SAT(x1)
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SAT(x2)
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SAT(x3)
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SAT(x4)
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SAT(x5)
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SAT(x6)
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SAT(x7)
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}
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Dst[0] = (uint8_t)x0;
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Dst[1] = (uint8_t)x1;
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Dst[2] = (uint8_t)x2;
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Dst[3] = (uint8_t)x3;
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Dst[4] = (uint8_t)x4;
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Dst[5] = (uint8_t)x5;
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Dst[6] = (uint8_t)x6;
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Dst[7] = (uint8_t)x7;
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Dst += Pitch;
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} while (Dst != DstEnd);
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}
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#define Intra8x8 MX1Intra8x8
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#define Inter8x8Back MX1Inter8x8Back
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#define Inter8x8BackFwd MX1Inter8x8BackFwd
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#include "block_mx1.h"
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#undef Intra8x8
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#undef Inter8x8Back
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#undef Inter8x8BackFwd
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#ifdef CONFIG_IDCT_SWAP
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#define SWAPXY
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#define SWAP8X4
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#define Intra8x8 MX1Intra8x8Swap
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#define Inter8x8Back MX1Inter8x8BackSwap
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#define Inter8x8BackFwd MX1Inter8x8BackFwdSwap
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#include "block_mx1.h"
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#endif
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#endif
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