block.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:8k
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.h 327 2005-11-04 07:09:17Z picard $
- *
- * The Core Pocket Media Player
- * Copyright (c) 2004-2005 Gabor Kovacs
- *
- ****************************************************************************/
- #if defined(HALF)
- #define Block4x4 IDCT_Block4x4
- #define MV_X(v) ((v<<16)>>18)
- #define MV_Y(v) (v>>18)
- #define MV_SUB(v) (v&3)+((v>>14)&12)
- #define AddBlock8x8 AddBlock4x4
- #define CopyBlock CopyBlock4x4
- #elif !defined(SWAPXY)
- #define Block4x8 IDCT_Block4x8
- #define Block8x8 IDCT_Block8x8
- #define MV_X(v) ((v<<16)>>17)
- #define MV_Y(v) (v>>17)
- #define MV_SUB(v) (v&1)+((v>>15)&2)
- #else
- #define Block4x8 IDCT_Block4x8Swap
- #define Block8x8 IDCT_Block8x8Swap
- #define MV_X(v) (v>>17)
- #define MV_Y(v) ((v<<16)>>17)
- #define MV_SUB(v) ((v<<1)&2)+((v>>16)&1)
- #endif
- void Intra8x8(softidct* p,idct_block_t *Block,int Length,int ScanType)
- {
- Statistics(Block,Length,ScanType,0);
- #ifdef QUARTER
- IDCT_Block2x2(Block,p->DstPtr,p->CurrPitch,NULL);
- #elif defined(HALF)
- Block4x4(Block,p->DstPtr,p->CurrPitch,NULL);
- #else
- #ifdef SWAP8X4
- if (ScanType!=IDCTSCAN_ALT_VERT && (Length < 11 || (Length<20 && Block[32]==0)))
- Block4x8(Block,p->DstPtr,p->CurrPitch,NULL);
- #else
- if (ScanType!=IDCTSCAN_ALT_HORI && Length < 15)
- Block4x8(Block,p->DstPtr,p->CurrPitch,NULL);
- #endif
- else
- Block8x8(Block,p->DstPtr,p->CurrPitch,NULL);
- #endif
- EMMS();
- IncPtr(p,0,0);
- }
- #if !defined(MIPS64) && !defined(QUARTER)
- void Inter8x8BackFwd(softidct* p,idct_block_t *Block,int Length)
- {
- uint8_t* Ptr;
- int MV;
- if (Length)
- {
- // mcomp and idct (using tmp buffer)
- Statistics(Block,Length,0,2);
- 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
- #ifdef HALF
- TableAddBlock4x4[MV_SUB(MV)](Ptr,p->Tmp,p->CurrPitch);
- #else
- p->AddBlock[MV_SUB(MV)](Ptr,p->Tmp,p->CurrPitch);
- #endif
- #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);
- }
- #ifdef HALF
- if (Length == 1)
- IDCT_Const4x4((Block[0]+4) >> 3,p->DstPtr,p->CurrPitch,p->Tmp);
- else
- Block4x4(Block,p->DstPtr,p->CurrPitch,p->Tmp);
- #else
- if (Length == 1)
- IDCT_Const8x8((Block[0]+4) >> 3,p->DstPtr,p->CurrPitch,p->Tmp);
- #ifdef SWAP8X4
- else if (Length < 11 || (Length<20 && Block[32]==0))
- Block4x8(Block,p->DstPtr,p->CurrPitch,p->Tmp);
- #else
- else if (Length < 15)
- Block4x8(Block,p->DstPtr,p->CurrPitch,p->Tmp);
- #endif
- else
- Block8x8(Block,p->DstPtr,p->CurrPitch,p->Tmp);
- #endif
- }
- 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
- #ifdef HALF
- TableAddBlock4x4[MV_SUB(MV)](Ptr,p->Tmp,p->CurrPitch);
- // copy Tmp to Dst
- CopyBlock4x4(p->Tmp,p->DstPtr,8,p->CurrPitch);
- #else
- p->AddBlock[MV_SUB(MV)](Ptr,p->Tmp,p->CurrPitch);
- // copy Tmp to Dst
- CopyBlock8x8(p->Tmp,p->DstPtr,8,p->CurrPitch);
- #endif
- #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);
- }
- }
- EMMS();
- IncPtr(p,1,1);
- }
- void Inter8x8Back(softidct* p,idct_block_t *Block,int Length)
- {
- uint8_t* Ptr;
- int MV;
- if (Length)
- {
- // mcomp and idct (using tmp buffer)
- 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);
- Statistics(Block,Length,0,1);
- #ifdef HALF
- if (Length == 1)
- IDCT_Const4x4((Block[0]+4) >> 3,p->DstPtr,p->CurrPitch,p->Tmp);
- else
- Block4x4(Block,p->DstPtr,p->CurrPitch,p->Tmp);
- #else
- if (Length == 1)
- IDCT_Const8x8((Block[0]+4) >> 3,p->DstPtr,p->CurrPitch,p->Tmp);
- #ifdef SWAP8X4
- else if (Length < 11 || (Length<20 && Block[32]==0))
- Block4x8(Block,p->DstPtr,p->CurrPitch,p->Tmp);
- #else
- else if (Length < 15 || (Length<26 && ((uint32_t*)Block)[2]==0 && ((uint32_t*)Block)[6]==0))
- Block4x8(Block,p->DstPtr,p->CurrPitch,p->Tmp);
- #endif
- else
- Block8x8(Block,p->DstPtr,p->CurrPitch,p->Tmp);
- #endif
- }
- 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);
- }
- EMMS();
- IncPtr(p,1,0);
- }
- #if !defined(SWAPXY) && !defined(HALF)
- void Inter8x8QPEL(softidct* p,idct_block_t *Block,int Length)
- {
- if (Length)
- {
- CopyBlock8x8(p->DstPtr,p->Tmp,p->CurrPitch,8); //todo: find better solution...
- if (Length == 1)
- IDCT_Const8x8((Block[0]+4) >> 3,p->DstPtr,p->CurrPitch,p->Tmp);
- else if (Length < 15 || (Length<26 && ((uint32_t*)Block)[2]==0 && ((uint32_t*)Block)[6]==0))
- IDCT_Block4x8(Block,p->DstPtr,p->CurrPitch,p->Tmp);
- else
- IDCT_Block8x8(Block,p->DstPtr,p->CurrPitch,p->Tmp);
- }
- EMMS();
- if (*p->Ptr & 1)
- p->IDCT.Inter8x8 = p->inter8x8uv;
- IncPtr(p,1,1);
- }
- void Inter8x8GMC(softidct* p,idct_block_t *Block,int Length)
- {
- if (Length)
- {
- p->DrawGMC(p,p->Tmp,8);
- if (Length == 1)
- IDCT_Const8x8((Block[0]+4) >> 3,p->DstPtr,p->CurrPitch,p->Tmp);
- else if (Length < 15 || (Length<26 && ((uint32_t*)Block)[2]==0 && ((uint32_t*)Block)[6]==0))
- IDCT_Block4x8(Block,p->DstPtr,p->CurrPitch,p->Tmp);
- else
- IDCT_Block8x8(Block,p->DstPtr,p->CurrPitch,p->Tmp);
- }
- else
- p->DrawGMC(p,p->DstPtr,p->CurrPitch);
- EMMS();
- IncPtr(p,0,0);
- }
- #endif
- #endif
- #undef MV_X
- #undef MV_Y
- #undef MV_SUB
- #undef Block4x8
- #undef Block8x8
- #undef AddBlock8x8
- #undef CopyBlock