elements.h
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Audio
开发平台:
Visual C++
- /*!
- *************************************************************************************
- * file elements.h
- *
- * brief
- * Header file for elements in H.264 streams
- *
- * date
- * 6.10.2000
- *
- * version
- * 1.0
- *
- * author
- * Sebastian Purreiter <sebastian.purreiter@mch.siemens.de> n
- * Siemens AG, Information and Communication Mobile n
- * P.O.Box 80 17 07 n
- * D-81617 Munich, Germany n
- *************************************************************************************
- */
- #ifndef _ELEMENTS_H_
- #define _ELEMENTS_H_
- /*!
- * definition of H.264 syntax elements
- * order of elements follow dependencies for picture reconstruction
- */
- /*!
- * brief Assignment of old TYPE partition elements to new
- * elements
- *
- * old element | new elements
- * ----------------+-------------------------------------------------------------------
- * TYPE_HEADER | SE_HEADER, SE_PTYPE
- * TYPE_MBHEADER | SE_MBTYPE, SE_REFFRAME, SE_INTRAPREDMODE
- * TYPE_MVD | SE_MVD
- * TYPE_CBP | SE_CBP_INTRA, SE_CBP_INTER
- * SE_DELTA_QUANT_INTER
- * SE_DELTA_QUANT_INTRA
- * TYPE_COEFF_Y | SE_LUM_DC_INTRA, SE_LUM_AC_INTRA, SE_LUM_DC_INTER, SE_LUM_AC_INTER
- * TYPE_2x2DC | SE_CHR_DC_INTRA, SE_CHR_DC_INTER
- * TYPE_COEFF_C | SE_CHR_AC_INTRA, SE_CHR_AC_INTER
- * TYPE_EOS | SE_EOS
- */
- #define SE_HEADER 0
- #define SE_PTYPE 1
- #define SE_MBTYPE 2
- #define SE_REFFRAME 3
- #define SE_INTRAPREDMODE 4
- #define SE_MVD 5
- #define SE_CBP_INTRA 6
- #define SE_LUM_DC_INTRA 7
- #define SE_CHR_DC_INTRA 8
- #define SE_LUM_AC_INTRA 9
- #define SE_CHR_AC_INTRA 10
- #define SE_CBP_INTER 11
- #define SE_LUM_DC_INTER 12
- #define SE_CHR_DC_INTER 13
- #define SE_LUM_AC_INTER 14
- #define SE_CHR_AC_INTER 15
- #define SE_DELTA_QUANT_INTER 16
- #define SE_DELTA_QUANT_INTRA 17
- #define SE_BFRAME 18
- #define SE_EOS 19
- #define SE_MAX_ELEMENTS 20
- #define NO_EC 0 //!< no error concealment necessary
- #define EC_REQ 1 //!< error concealment required
- #define EC_SYNC 2 //!< search and sync on next header element
- #define MAXPARTITIONMODES 2 //!< maximum possible partition modes as defined in assignSE2partition[][]
- /*!
- * brief lookup-table to assign different elements to partition
- *
- * note here we defined up to 6 different partitions similar to
- * document Q15-k-18 described in the PROGFRAMEMODE.
- * The Sliceheader contains the PSYNC information. par
- *
- * Elements inside a partition are not ordered. They are
- * ordered by occurence in the stream.
- * Assumption: Only partitionlosses are considered. par
- *
- * The texture elements luminance and chrominance are
- * not ordered in the progressive form
- * This may be changed in image.c par
- *
- * We also defined the proposed internet partition mode
- * of Stephan Wenger here. To select the desired mode
- * uncomment one of the two following lines. par
- *
- * -IMPORTANT:
- * Picture- or Sliceheaders must be assigned to partition 0. par
- * Furthermore partitions must follow syntax dependencies as
- * outlined in document Q15-J-23.
- */
- extern int assignSE2partition[][SE_MAX_ELEMENTS];
- extern int PartitionMode;
- #endif