block_mips64.c
资源名称:tcpmp.rar [点击查看]
上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:4k
源码类别:
Windows CE
开发平台:
C/C++
- /*****************************************************************************
- *
- * This program is free software ; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * $Id: block_mips64.c 271 2005-08-09 08:31:35Z picard $
- *
- * The Core Pocket Media Player
- * Copyright (c) 2004-2005 Gabor Kovacs
- *
- ****************************************************************************/
- #include "../common.h"
- #include "softidct.h"
- #ifdef MIPS64
- #define MV_X(v) ((v<<16)>>17)
- #define MV_Y(v) (v>>17)
- #define MV_SUB(v) (v&1)+((v>>15)&2)
- void Inter8x8Add(softidct* p,idct_block_t *Block,int Length)
- {
- // mcomp part is done by Process()
- if (Length)
- {
- if (Length == 1)
- IDCT_Const8x8((Block[0]+4) >> 3,p->DstPtr,p->CurrPitch,p->DstPtr);
- #ifdef SWAP8X4
- else if (Length < 11 || (Length<20 && Block[32]==0))
- IDCT_Block4x8(Block,p->DstPtr,p->CurrPitch,p->DstPtr);
- #else
- else if (Length < 15 || (Length<26 && ((uint32_t*)Block)[2]==0 && ((uint32_t*)Block)[6]==0))
- IDCT_Block4x8(Block,p->DstPtr,p->CurrPitch,p->DstPtr);
- #endif
- else
- IDCT_Block8x8(Block,p->DstPtr,p->CurrPitch,p->DstPtr);
- }
- IncPtr(p,0,0);
- }
- void MComp8x8(softidct* p,const int* MVPtr,const int* MVEnd,int Ref)
- {
- uint8_t* Min = p->RefMin[Ref];
- uint8_t* Max = p->RefMax[Ref];
- uint8_t* Ptr;
- int MV;
- for (;MVPtr!=MVEnd;++MVPtr)
- {
- MV = *MVPtr;
- Ptr = p->RefPtr[Ref] + MV_X(MV) + p->CurrPitch * MV_Y(MV);
- if (Ptr >= Min && Ptr < Max)
- p->CopyBlock[MV_SUB(MV)](Ptr,p->DstPtr,p->CurrPitch,p->CurrPitch);
- IncPtr(p,1,1);
- }
- }
- void MComp8x8Add(softidct* p,const int* MVBack,const int* MVEnd,const int* MVFwd)
- {
- uint8_t* Min0 = p->RefMin[0];
- uint8_t* Max0 = p->RefMax[0];
- uint8_t* Min1 = p->RefMin[1];
- uint8_t* Max1 = p->RefMax[1];
- uint8_t* Ptr;
- int MV;
- for (;MVBack!=MVEnd;++MVBack,++MVFwd)
- {
- MV = *MVBack;
- Ptr = p->RefPtr[0] + MV_X(MV) + p->CurrPitch * MV_Y(MV);
- if (Ptr >= Min0 && Ptr < Max0)
- p->CopyBlock[MV_SUB(MV)](Ptr,p->DstPtr,p->CurrPitch,p->CurrPitch);
- MV = *MVFwd;
- Ptr = p->RefPtr[1] + MV_X(MV) + p->CurrPitch * MV_Y(MV);
- if (Ptr >= Min1 && Ptr < Max1)
- {
- p->CopyBlock[MV_SUB(MV)](Ptr,p->Tmp,p->CurrPitch,8);
- AddBlock8x8(p->Tmp,p->DstPtr,8,p->CurrPitch);
- }
- IncPtr(p,1,1);
- }
- }
- void SoftMComp8x8(softidct* p,const int *MVBack,const int *MVFwd)
- {
- uint8_t* SaveDstPtr = p->DstPtr;
- if (MVBack)
- {
- if (MVFwd)
- MComp8x8Add(p,MVBack,MVBack+6,MVFwd);
- else
- MComp8x8(p,MVBack,MVBack+6,0);
- }
- else
- if (MVFwd)
- MComp8x8(p,MVFwd,MVFwd+6,1);
- p->CurrPitch <<= 1;
- p->Ptr -= 6;
- p->DstPtr = SaveDstPtr;
- }
- void SoftMComp16x16(softidct* p,const int *MVBack,const int *MVFwd)
- {
- uint8_t* SaveDstPtr = p->DstPtr;
- uint8_t* Ptr;
- int MV;
- if (MVBack)
- {
- MV = MVBack[0];
- Ptr = p->RefPtr[0] + MV_X(MV) + p->CurrPitch * MV_Y(MV);
- if (Ptr >= p->RefMin[0] && Ptr < p->RefMax[0])
- p->CopyMBlock[MV_SUB(MV)](Ptr,p->DstPtr,p->CurrPitch,p->CurrPitch);
- if (MVFwd)
- {
- MV = MVFwd[0];
- Ptr = p->RefPtr[1] + MV_X(MV) + p->CurrPitch * MV_Y(MV);
- if (Ptr >= p->RefMin[1] && Ptr < p->RefMax[1])
- {
- p->CopyMBlock[MV_SUB(MV)](Ptr,p->Tmp,p->CurrPitch,16);
- AddBlock16x16(p->Tmp,p->DstPtr,16,p->CurrPitch);
- }
- IncPtrLum(p);
- MComp8x8Add(p,MVBack+4,MVBack+6,MVFwd+4);
- }
- else
- {
- IncPtrLum(p);
- MComp8x8(p,MVBack+4,MVBack+6,0);
- }
- }
- else
- if (MVFwd)
- {
- MV = MVFwd[0];
- Ptr = p->RefPtr[1] + MV_X(MV) + p->CurrPitch * MV_Y(MV);
- if (Ptr >= p->RefMin[1] && Ptr < p->RefMax[1])
- p->CopyMBlock[MV_SUB(MV)](Ptr,p->DstPtr,p->CurrPitch,p->CurrPitch);
- IncPtrLum(p);
- MComp8x8(p,MVFwd+4,MVFwd+6,1);
- }
- p->CurrPitch <<= 1;
- p->Ptr -= 6;
- p->DstPtr = SaveDstPtr;
- }
- #endif