rdopt_coding_state.h
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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++
- /*
- ***********************************************************************
- * COPYRIGHT AND WARRANTY INFORMATION
- *
- * Copyright 2001, International Telecommunications Union, Geneva
- *
- * DISCLAIMER OF WARRANTY
- *
- * These software programs are available to the user without any
- * license fee or royalty on an "as is" basis. The ITU disclaims
- * any and all warranties, whether express, implied, or
- * statutory, including any implied warranties of merchantability
- * or of fitness for a particular purpose. In no event shall the
- * contributor or the ITU be liable for any incidental, punitive, or
- * consequential damages of any kind whatsoever arising from the
- * use of these programs.
- *
- * This disclaimer of warranty extends to the user of these programs
- * and user's customers, employees, agents, transferees, successors,
- * and assigns.
- *
- * The ITU does not represent or warrant that the programs furnished
- * hereunder are free of infringement of any third-party patents.
- * Commercial implementations of ITU-T Recommendations, including
- * shareware, may be subject to royalty fees to patent holders.
- * Information regarding the ITU-T patent policy is available from
- * the ITU Web site at http://www.itu.int.
- *
- * THIS IS NOT A GRANT OF PATENT RIGHTS - SEE THE ITU-T PATENT POLICY.
- ************************************************************************
- */
- /*!
- ***************************************************************************
- * file
- * rdopt_coding_state.h
- *
- * author
- * Heiko Schwarz
- *
- * date
- * 17. April 2001
- *
- * brief
- * Headerfile for storing/restoring coding state
- * (for rd-optimized mode decision)
- **************************************************************************
- */
- #ifndef _RD_OPT_CS_H_
- #define _RD_OPT_CS_H_
- #include "global.h"
- typedef struct {
- // important variables of data partition array
- int no_part;
- EncodingEnvironment *encenv;
- Bitstream *bitstream;
- // contexts for binary arithmetic coding
- int symbol_mode;
- MotionInfoContexts *mot_ctx;
- TextureInfoContexts *tex_ctx;
- // syntax element number and bitcounters
- int currSEnr;
- int bitcounter[MAX_BITCOUNTER_MB];
- // elements of current macroblock
- int mvd[2][BLOCK_MULTIPLE][BLOCK_MULTIPLE][2];
- } RDCodingState;
- void clear_coding_state (); //!< delete structure
- void init_coding_state (); //!< create structure
- void store_coding_state (); //!< store parameters
- void restore_coding_state (); //!< restore parameters
- #endif