vopmbenc.hpp
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:3k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*************************************************************************
- This software module was originally developed by
- Ming-Chieh Lee (mingcl@microsoft.com), Microsoft Corporation
- Wei-ge Chen (wchen@microsoft.com), Microsoft Corporation
- Bruce Lin (blin@microsoft.com), Microsoft Corporation
- Chuang Gu (chuanggu@microsoft.com), Microsoft Corporation
- (date: March, 1996)
- in the course of development of the MPEG-4 Video (ISO/IEC 14496-2).
- This software module is an implementation of a part of one or more MPEG-4 Video tools
- as specified by the MPEG-4 Video.
- ISO/IEC gives users of the MPEG-4 Video free license to this software module or modifications
- thereof for use in hardware or software products claiming conformance to the MPEG-4 Video.
- Those intending to use this software module in hardware or software products are advised that its use may infringe existing patents.
- The original developer of this software module and his/her company,
- the subsequent editors and their companies,
- and ISO/IEC have no liability for use of this software module or modifications thereof in an implementation.
- Copyright is not released for non MPEG-4 Video conforming products.
- Microsoft retains full right to use the code for his/her own purpose,
- assign or donate the code to a third party and to inhibit third parties from using the code for non <MPEG standard> conforming products.
- This copyright notice must be included in all copies or derivative works.
- Copyright (c) 1996, 1997.
- Module Name:
- vopmbEnc.hpp
- Abstract:
- Encoder for VOP composed of MB's
- Revision History:
- *************************************************************************/
- #ifndef __VOPMBENC_HPP_
- #define __VOPMBENC_HPP_
- class CMacroBlock;
- class CVOPIntYUVBA;
- Class CVOPofMBsEncoder : public CVOPofMBs
- {
- friend Class CShapeEncoder;
- public:
- // Constructors
- ~CVOPofMBsEncoder ();
- CVOPofMBsEncoder (
- Time tBCounter, // B-VOP counter
- const CVOPIntYUVBA* pvopfCurr,
- const VOLMode& volmd, // VOL mode
- VOPMode& vopmd, // VOP mode
- const CVOPIntYUVBA* pvopfMRefer0, // reference VOP in a previous time for motion estimation
- const CVOPIntYUVBA* pvopfMRefer1, // reference VOP in a later time for motion estimation
- const CVOPIntYUVBA* pvopfRefer0, // reference VOP in a previous time
- const CVOPIntYUVBA* pvopfRefer1, // reference VOP in a later time
- const CDirectModeData* pdrtmdRef1, // for B-VOP direct mode
- COutBitStream* pbitstrmOut, // output bitstream
- CEntropyEncoderSet* pEntrencSet,
- Bool bRateControl,
- CRCMode* pstatRC // rate control status
- );
- // Attributes
- CStatistics statistics () {return m_stat;} // return statistics
- // Operations
- Void encode ();
- ///////////////// implementation /////////////////
- private:
- const CVOPIntYUVBA* m_pvopfCurr;
- const CVOPIntYUVBA* m_pvopfMRef0;
- const CVOPIntYUVBA* m_pvopfMRef1;
- COutBitStream* m_pbitstrmOut; // output bitstream
- CEntropyEncoderSet* m_pEntrencSet;
- CStatistics m_stat;
- Bool m_bRateControl;
- CRCMode* m_pstatRC; // rate control
- CShapeEncoder** m_ppshpenc;
- //encoder the MV of MB (x, iy)
- UInt encodeMV (const UInt ix, const UInt iy);
- Void scaleMV (Int& iVLC, UInt& uiResidual, Int iDiffMVcomponent);
- UInt sendDiffMV (const CVector2D& vctDiffMV);
- Void encodeNS (); //non-separate shape motion texture
- Void encodeSI (); //separate shape motion texture I vop
- Void encodeSPB (); //ditto, PB vop
- };
- #endif