block_mx1.h
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:6k
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_mx1.h 271 2005-08-09 08:31:35Z picard $
- *
- * The Core Pocket Media Player
- * Copyright (c) 2004-2005 Gabor Kovacs
- *
- ****************************************************************************/
- #ifndef SWAPXY
- #define MV_X(v) ((v<<16)>>17)
- #define MV_Y(v) (v>>17)
- #define MV_SUB(v) (v&1)+((v>>15)&2)
- static INLINE void Push(softidct* p,idct_block_t *Block)
- {
- volatile int* MX1 = p->MX1;
- idct_block_t *BlockEnd = Block+8;
- do
- {
- *MX1 = ((uint16_t*)Block)[0*8] + (((uint16_t*)Block)[1*8] << 16);
- *MX1 = ((uint16_t*)Block)[2*8] + (((uint16_t*)Block)[3*8] << 16);
- *MX1 = ((uint16_t*)Block)[4*8] + (((uint16_t*)Block)[5*8] << 16);
- *MX1 = ((uint16_t*)Block)[6*8] + (((uint16_t*)Block)[7*8] << 16);
- ++Block;
- } while (Block != BlockEnd);
- }
- #else
- #define MV_X(v) (v>>17)
- #define MV_Y(v) ((v<<16)>>17)
- #define MV_SUB(v) ((v<<1)&2)+((v>>16)&1)
- #define Push PushSwap
- static INLINE void Push(softidct* p,idct_block_t *Block)
- {
- volatile int* MX1 = p->MX1;
- idct_block_t *BlockEnd = Block+64;
- do
- {
- *MX1 = ((uint16_t*)Block)[0] + (((uint16_t*)Block)[1] << 16);
- *MX1 = ((uint16_t*)Block)[2] + (((uint16_t*)Block)[3] << 16);
- *MX1 = ((uint16_t*)Block)[4] + (((uint16_t*)Block)[5] << 16);
- *MX1 = ((uint16_t*)Block)[6] + (((uint16_t*)Block)[7] << 16);
- Block += 8;
- } while (Block != BlockEnd);
- }
- #endif
- void Intra8x8(softidct* p,idct_block_t *Block,int Length,int ScanType)
- {
- p->MX1Pop(p);
- p->MX1Dst = p->DstPtr;
- p->MX1Pitch = p->CurrPitch;
- p->MX1Pop = MX1Pop;
- Push(p,Block);
- EMMS();
- IncPtr(p,0,0);
- }
- void Inter8x8BackFwd(softidct* p,idct_block_t *Block,int Length)
- {
- uint8_t* Ptr;
- int MV;
- p->MX1Pop(p);
- if (Length)
- {
- // mcomp and idct (using tmp buffer)
- if (Length != 1)
- {
- p->MX1Dst = p->DstPtr;
- p->MX1Pitch = p->CurrPitch;
- p->MX1Pop = MX1PopAdd;
- Push(p,Block);
- }
- if (p->MVBack)
- {
- MV = *(p->MVBack++);
- Ptr = p->RefPtr[0] + MV_X(MV) + p->CurrPitch * MV_Y(MV);
- if (Ptr >= p->RefMin[0] && Ptr < p->RefMax[0])
- p->CopyBlock[MV_SUB(MV)](Ptr,p->Tmp,p->CurrPitch,8);
- if (p->MVFwd)
- {
- MV = *(p->MVFwd++);
- Ptr = p->RefPtr[1] + MV_X(MV) + p->CurrPitch * MV_Y(MV);
- if (Ptr >= p->RefMin[1] && Ptr < p->RefMax[1])
- {
- #if defined(MIPS32)
- p->CopyBlock[MV_SUB(MV)](Ptr,p->Tmp+64,p->CurrPitch,8);
- AddBlock8x8(p->Tmp+64,p->Tmp,8,8);
- #else
- p->AddBlock[MV_SUB(MV)](Ptr,p->Tmp,p->CurrPitch);
- #endif
- }
- }
- }
- else
- if (p->MVFwd)
- {
- MV = *(p->MVFwd++);
- Ptr = p->RefPtr[1] + MV_X(MV) + p->CurrPitch * MV_Y(MV);
- if (Ptr >= p->RefMin[1] && Ptr < p->RefMax[1])
- p->CopyBlock[MV_SUB(MV)](Ptr,p->Tmp,p->CurrPitch,8);
- }
- if (Length == 1)
- {
- IDCT_Const8x8((Block[0]+4) >> 3,p->DstPtr,p->CurrPitch,p->Tmp);
- p->MX1Pop = MX1PopNone;
- }
- }
- else
- {
- // interpolate back and foward (using tmp buffer)
- if (p->MVBack && p->MVFwd)
- {
- MV = *(p->MVBack++);
- Ptr = p->RefPtr[0] + MV_X(MV) + p->CurrPitch * MV_Y(MV);
- if (Ptr >= p->RefMin[0] && Ptr < p->RefMax[0])
- p->CopyBlock[MV_SUB(MV)](Ptr,p->Tmp,p->CurrPitch,8);
- MV = *(p->MVFwd++);
- Ptr = p->RefPtr[1] + MV_X(MV) + p->CurrPitch * MV_Y(MV);
- if (Ptr >= p->RefMin[1] && Ptr < p->RefMax[1])
- {
- #if defined(MIPS32)
- p->CopyBlock[MV_SUB(MV)](Ptr,p->DstPtr,p->CurrPitch,p->CurrPitch);
- AddBlock8x8(p->Tmp,p->DstPtr,8,p->CurrPitch);
- #else
- p->AddBlock[MV_SUB(MV)](Ptr,p->Tmp,p->CurrPitch);
- // copy Tmp to Dst
- CopyBlock(p->Tmp,p->DstPtr,8,p->CurrPitch);
- #endif
- }
- }
- else
- if (p->MVBack)
- {
- MV = *(p->MVBack++);
- Ptr = p->RefPtr[0] + MV_X(MV) + p->CurrPitch * MV_Y(MV);
- if (Ptr >= p->RefMin[0] && Ptr < p->RefMax[0])
- p->CopyBlock[MV_SUB(MV)](Ptr,p->DstPtr,p->CurrPitch,p->CurrPitch);
- }
- else
- if (p->MVFwd)
- {
- MV = *(p->MVFwd++);
- Ptr = p->RefPtr[1] + MV_X(MV) + p->CurrPitch * MV_Y(MV);
- if (Ptr >= p->RefMin[1] && Ptr < p->RefMax[1])
- p->CopyBlock[MV_SUB(MV)](Ptr,p->DstPtr,p->CurrPitch,p->CurrPitch);
- }
- p->MX1Pop = MX1PopNone;
- }
- EMMS();
- IncPtr(p,1,1);
- }
- void Inter8x8Back(softidct* p,idct_block_t *Block,int Length)
- {
- uint8_t* Ptr;
- int MV;
- p->MX1Pop(p);
- if (Length)
- {
- // mcomp and idct (using tmp buffer)
- if (Length != 1)
- {
- p->MX1Dst = p->DstPtr;
- p->MX1Pitch = p->CurrPitch;
- p->MX1Pop = MX1PopAdd;
- Push(p,Block);
- }
- MV = *(p->MVBack++);
- Ptr = p->RefPtr[0] + MV_X(MV) + p->CurrPitch * MV_Y(MV);
- if (Ptr >= p->RefMin[0] && Ptr < p->RefMax[0])
- p->CopyBlock[MV_SUB(MV)](Ptr,p->Tmp,p->CurrPitch,8);
- if (Length == 1)
- {
- IDCT_Const8x8((Block[0]+4) >> 3,p->DstPtr,p->CurrPitch,p->Tmp);
- p->MX1Pop = MX1PopNone;
- }
- }
- else
- {
- // only back mcomp
- MV = *(p->MVBack++);
- Ptr = p->RefPtr[0] + MV_X(MV) + p->CurrPitch * MV_Y(MV);
- if (Ptr >= p->RefMin[0] && Ptr < p->RefMax[0])
- p->CopyBlock[MV_SUB(MV)](Ptr,p->DstPtr,p->CurrPitch,p->CurrPitch);
- p->MX1Pop = MX1PopNone;
- }
- EMMS();
- IncPtr(p,1,0);
- }
- #undef MV_X
- #undef MV_Y
- #undef MV_SUB
- #undef Push