?? elements.h
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/************************************************************************* 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 elements.h * \brief Header file for elements in H.26L streams * \date 6.10.2000, * \version * 1.1 * * \note * Version 1.0 included three partition modes, no DP, 2 partitionsper slice * and 4 partitions per slice. As per document VCEG-N72 this is changed * in version 1.1 to only two patrition modes, one without DP and one with * 3 partition per slice *. * \author Sebastian Purreiter <sebastian.purreiter@mch.siemens.de> * \author Stephan Wenger <stewe@cs.tu-berlin.de> * ************************************************************************** */#ifndef _ELEMENTS_H_#define _ELEMENTS_H_#include "global.h"/*! * definition of H.26L syntax elements * order of elements follow dependencies for picture reconstruction *//*! * \brief Assignment of old TYPE or 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 * 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 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 * * -IMPORTANT: * Picture- or Sliceheaders must be assigned to partition 0. \par * Furthermore partitions must follow syntax dependencies as * outlined in document Q15-J-23. */// A note on this table://// While the assignment of values in enum data types is specified in C, it is not// very ood style to have an "elementnumber", not even as a comment.//// Hence a copy of the relevant structure from global.h here/*typedef enum { 0 SE_HEADER, 1 SE_PTYPE, 2 SE_MBTYPE, 3 SE_REFFRAME, 4 SE_INTRAPREDMODE, 5 SE_MVD, 6 SE_CBP_INTRA, 7 SE_LUM_DC_INTRA, 8 SE_CHR_DC_INTRA, 9 SE_LUM_AC_INTRA,10 SE_CHR_AC_INTRA,11 SE_CBP_INTER,12 SE_LUM_DC_INTER,13 SE_CHR_DC_INTER,14 SE_LUM_AC_INTER,15 SE_CHR_AC_INTER,16 SE_DELTA_QUANT,17 SE_BFRAME,18 SE_EOS,19 SE_MAX_ELEMENTS */ // number of maximum syntax elements//} SE_type;static int assignSE2partition[][SE_MAX_ELEMENTS] ={ // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 // elementnumber (no not uncomment) { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, //!< all elements in one partition no data partitioning { 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 0, 0, 0 } //!< three partitions per slice};#endif
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