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/* getvlc.h, variable length code tables */
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/* Copyright (C) 1996, MPEG Software Simulation Group. All Rights Reserved. */
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/*
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* Disclaimer of Warranty
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*
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* These software programs are available to the user without any license fee or
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* royalty on an "as is" basis. The MPEG Software Simulation Group disclaims
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* any and all warranties, whether express, implied, or statuary, including any
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* implied warranties or merchantability or of fitness for a particular
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* purpose. In no event shall the copyright-holder be liable for any
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* incidental, punitive, or consequential damages of any kind whatsoever
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* arising from the use of these programs.
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*
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* This disclaimer of warranty extends to the user of these programs and user's
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* customers, employees, agents, transferees, successors, and assigns.
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*
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* The MPEG Software Simulation Group does not represent or warrant that the
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* programs furnished hereunder are free of infringement of any third-party
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* patents.
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*
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* Commercial implementations of MPEG-1 and MPEG-2 video, including shareware,
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* are subject to royalty fees to patent holders. Many of these patents are
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* general enough such that they are unavoidable regardless of implementation
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* design.
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*
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*/
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/* NOTE: #define constants such as MACROBLOCK_QUANT are upper case
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as per C programming convention. However, the MPEG document
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(ISO/IEC 13818-2) lists them in all lower case (e.g. Annex B) */
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/* NOTE: the VLC tables are in a flash format---a transformation
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of the tables in Annex B to a form more convenient towards
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parallel (more than one-bit-at-a-time) decoding */
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typedef struct {
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char val, len;
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} VLCtab;
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typedef struct {
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char run, level, len;
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} DCTtab;
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/* Table B-3, macroblock_type in P-pictures, codes 001..1xx */
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static VLCtab PMBtab0[8] = {
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{ERROR,0},
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{MACROBLOCK_MOTION_FORWARD,3},
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{MACROBLOCK_PATTERN,2}, {MACROBLOCK_PATTERN,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,1},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,1},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,1},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,1}
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};
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/* Table B-3, macroblock_type in P-pictures, codes 000001..00011x */
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static VLCtab PMBtab1[8] = {
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{ERROR,0},
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{MACROBLOCK_QUANT|MACROBLOCK_INTRA,6},
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{MACROBLOCK_QUANT|MACROBLOCK_PATTERN,5}, {MACROBLOCK_QUANT|MACROBLOCK_PATTERN,5},
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{MACROBLOCK_QUANT|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,5}, {MACROBLOCK_QUANT|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,5},
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{MACROBLOCK_INTRA,5}, {MACROBLOCK_INTRA,5}
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};
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/* Table B-4, macroblock_type in B-pictures, codes 0010..11xx */
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static VLCtab BMBtab0[16] = {
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{ERROR,0},
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{ERROR,0},
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{MACROBLOCK_MOTION_FORWARD,4},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,4},
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{MACROBLOCK_MOTION_BACKWARD,3},
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{MACROBLOCK_MOTION_BACKWARD,3},
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{MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,3},
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{MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,3},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,2}
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};
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/* Table B-4, macroblock_type in B-pictures, codes 000001..00011x */
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static VLCtab BMBtab1[8] = {
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{ERROR,0},
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{MACROBLOCK_QUANT|MACROBLOCK_INTRA,6},
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{MACROBLOCK_QUANT|MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,6},
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{MACROBLOCK_QUANT|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,6},
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{MACROBLOCK_QUANT|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,5},
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{MACROBLOCK_QUANT|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,5},
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{MACROBLOCK_INTRA,5},
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{MACROBLOCK_INTRA,5}
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};
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/* Table B-5, macroblock_type in spat. scal. I-pictures, codes 0001..1xxx */
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static VLCtab spIMBtab[16] = {
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{ERROR,0},
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{PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS,4},
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{MACROBLOCK_QUANT|MACROBLOCK_INTRA,4},
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{MACROBLOCK_INTRA,4},
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{PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS|MACROBLOCK_QUANT|MACROBLOCK_PATTERN,2}, {PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS|MACROBLOCK_QUANT|MACROBLOCK_PATTERN,2},
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{PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS|MACROBLOCK_QUANT|MACROBLOCK_PATTERN,2}, {PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS|MACROBLOCK_QUANT|MACROBLOCK_PATTERN,2},
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{PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS|MACROBLOCK_PATTERN,1}, {PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS|MACROBLOCK_PATTERN,1},
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{PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS|MACROBLOCK_PATTERN,1}, {PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS|MACROBLOCK_PATTERN,1},
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{PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS|MACROBLOCK_PATTERN,1}, {PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS|MACROBLOCK_PATTERN,1},
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{PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS|MACROBLOCK_PATTERN,1}, {PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS|MACROBLOCK_PATTERN,1}
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};
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/* Table B-6, macroblock_type in spat. scal. P-pictures, codes 0010..11xx */
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static VLCtab spPMBtab0[16] =
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{
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{ERROR,0},
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{ERROR,0},
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{MACROBLOCK_MOTION_FORWARD,4},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_MOTION_FORWARD,4},
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{MACROBLOCK_QUANT|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,3}, {MACROBLOCK_QUANT|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,3},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,3}, {SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,3},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,2},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_QUANT|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,2},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_QUANT|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,2},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_QUANT|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,2},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_QUANT|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,2}
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};
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/* Table B-6, macroblock_type in spat. scal. P-pictures, codes 0000010..000111x */
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static VLCtab spPMBtab1[16] = {
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{ERROR,0},
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{ERROR,0},
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{PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS|MACROBLOCK_QUANT|MACROBLOCK_PATTERN,7},
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{PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS,7},
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{MACROBLOCK_PATTERN,7},
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{PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS|MACROBLOCK_PATTERN,7},
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{MACROBLOCK_QUANT|MACROBLOCK_INTRA,7},
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{MACROBLOCK_INTRA,7},
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{MACROBLOCK_QUANT|MACROBLOCK_PATTERN,6},
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{MACROBLOCK_QUANT|MACROBLOCK_PATTERN,6},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_QUANT|MACROBLOCK_PATTERN,6},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_QUANT|MACROBLOCK_PATTERN,6},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG,6},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG,6},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_PATTERN,6},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_PATTERN,6}
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};
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/* Table B-7, macroblock_type in spat. scal. B-pictures, codes 0010..11xx */
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static VLCtab spBMBtab0[14] = {
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{MACROBLOCK_MOTION_FORWARD,4},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,4},
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{MACROBLOCK_MOTION_BACKWARD,3},
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{MACROBLOCK_MOTION_BACKWARD,3},
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{MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,3},
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{MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,3},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,2},
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{MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,2}
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};
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/* Table B-7, macroblock_type in spat. scal. B-pictures, codes 0000100..000111x */
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static VLCtab spBMBtab1[12] = {
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{MACROBLOCK_QUANT|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,7},
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{MACROBLOCK_QUANT|MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,7},
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{MACROBLOCK_INTRA,7},
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{MACROBLOCK_QUANT|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,7},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_MOTION_FORWARD,6},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_MOTION_FORWARD,6},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,6},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,6},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_MOTION_BACKWARD,6},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_MOTION_BACKWARD,6},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,6},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,6}
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};
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/* Table B-7, macroblock_type in spat. scal. B-pictures, codes 00000100x..000001111 */
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static VLCtab spBMBtab2[8] = {
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{MACROBLOCK_QUANT|MACROBLOCK_INTRA,8},
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{MACROBLOCK_QUANT|MACROBLOCK_INTRA,8},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_QUANT|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,8},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_QUANT|MACROBLOCK_MOTION_FORWARD|MACROBLOCK_PATTERN,8},
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{SPATIAL_TEMPORAL_WEIGHT_CODE_FLAG|MACROBLOCK_QUANT|MACROBLOCK_MOTION_BACKWARD|MACROBLOCK_PATTERN,9},
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{PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS|MACROBLOCK_QUANT|MACROBLOCK_PATTERN,9},
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{PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS,9},
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{PERMITTED_SPATIAL_TEMPORAL_WEIGHT_CLASS|MACROBLOCK_PATTERN,9}
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};
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/* Table B-8, macroblock_type in spat. scal. B-pictures, codes 001..1xx */
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static VLCtab SNRMBtab[8] = {
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{ERROR,0},
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{0,3},
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{MACROBLOCK_QUANT|MACROBLOCK_PATTERN,2},
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{MACROBLOCK_QUANT|MACROBLOCK_PATTERN,2},
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{MACROBLOCK_PATTERN,1},
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{MACROBLOCK_PATTERN,1},
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{MACROBLOCK_PATTERN,1},
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{MACROBLOCK_PATTERN,1}
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};
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/* Table B-10, motion_code, codes 0001 ... 01xx */
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static VLCtab MVtab0[8] =
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{ {ERROR,0}, {3,3}, {2,2}, {2,2}, {1,1}, {1,1}, {1,1}, {1,1}
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};
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/* Table B-10, motion_code, codes 0000011 ... 000011x */
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static VLCtab MVtab1[8] =
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{ {ERROR,0}, {ERROR,0}, {ERROR,0}, {7,6}, {6,6}, {5,6}, {4,5}, {4,5}
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};
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/* Table B-10, motion_code, codes 0000001100 ... 000001011x */
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static VLCtab MVtab2[12] =
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{ {16,9}, {15,9}, {14,9}, {13,9},
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{12,9}, {11,9}, {10,8}, {10,8},
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{9,8}, {9,8}, {8,8}, {8,8}
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};
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/* Table B-9, coded_block_pattern, codes 01000 ... 111xx */
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static VLCtab CBPtab0[32] =
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{ {ERROR,0}, {ERROR,0}, {ERROR,0}, {ERROR,0},
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{ERROR,0}, {ERROR,0}, {ERROR,0}, {ERROR,0},
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{62,5}, {2,5}, {61,5}, {1,5}, {56,5}, {52,5}, {44,5}, {28,5},
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{40,5}, {20,5}, {48,5}, {12,5}, {32,4}, {32,4}, {16,4}, {16,4},
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{8,4}, {8,4}, {4,4}, {4,4}, {60,3}, {60,3}, {60,3}, {60,3}
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};
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/* Table B-9, coded_block_pattern, codes 00000100 ... 001111xx */
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static VLCtab CBPtab1[64] =
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{ {ERROR,0}, {ERROR,0}, {ERROR,0}, {ERROR,0},
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{58,8}, {54,8}, {46,8}, {30,8},
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{57,8}, {53,8}, {45,8}, {29,8}, {38,8}, {26,8}, {37,8}, {25,8},
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{43,8}, {23,8}, {51,8}, {15,8}, {42,8}, {22,8}, {50,8}, {14,8},
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{41,8}, {21,8}, {49,8}, {13,8}, {35,8}, {19,8}, {11,8}, {7,8},
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{34,7}, {34,7}, {18,7}, {18,7}, {10,7}, {10,7}, {6,7}, {6,7},
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{33,7}, {33,7}, {17,7}, {17,7}, {9,7}, {9,7}, {5,7}, {5,7},
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{63,6}, {63,6}, {63,6}, {63,6}, {3,6}, {3,6}, {3,6}, {3,6},
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|
|
{36,6}, {36,6}, {36,6}, {36,6}, {24,6}, {24,6}, {24,6}, {24,6}
|
246 |
|
|
};
|
247 |
|
|
|
248 |
|
|
/* Table B-9, coded_block_pattern, codes 000000001 ... 000000111 */
|
249 |
|
|
static VLCtab CBPtab2[8] =
|
250 |
|
|
{ {ERROR,0}, {0,9}, {39,9}, {27,9}, {59,9}, {55,9}, {47,9}, {31,9}
|
251 |
|
|
};
|
252 |
|
|
|
253 |
|
|
/* Table B-1, macroblock_address_increment, codes 00010 ... 011xx */
|
254 |
|
|
static VLCtab MBAtab1[16] =
|
255 |
|
|
{ {ERROR,0}, {ERROR,0}, {7,5}, {6,5}, {5,4}, {5,4}, {4,4}, {4,4},
|
256 |
|
|
{3,3}, {3,3}, {3,3}, {3,3}, {2,3}, {2,3}, {2,3}, {2,3}
|
257 |
|
|
};
|
258 |
|
|
|
259 |
|
|
/* Table B-1, macroblock_address_increment, codes 00000011000 ... 0000111xxxx */
|
260 |
|
|
static VLCtab MBAtab2[104] =
|
261 |
|
|
{
|
262 |
|
|
{33,11}, {32,11}, {31,11}, {30,11}, {29,11}, {28,11}, {27,11}, {26,11},
|
263 |
|
|
{25,11}, {24,11}, {23,11}, {22,11}, {21,10}, {21,10}, {20,10}, {20,10},
|
264 |
|
|
{19,10}, {19,10}, {18,10}, {18,10}, {17,10}, {17,10}, {16,10}, {16,10},
|
265 |
|
|
{15,8}, {15,8}, {15,8}, {15,8}, {15,8}, {15,8}, {15,8}, {15,8},
|
266 |
|
|
{14,8}, {14,8}, {14,8}, {14,8}, {14,8}, {14,8}, {14,8}, {14,8},
|
267 |
|
|
{13,8}, {13,8}, {13,8}, {13,8}, {13,8}, {13,8}, {13,8}, {13,8},
|
268 |
|
|
{12,8}, {12,8}, {12,8}, {12,8}, {12,8}, {12,8}, {12,8}, {12,8},
|
269 |
|
|
{11,8}, {11,8}, {11,8}, {11,8}, {11,8}, {11,8}, {11,8}, {11,8},
|
270 |
|
|
{10,8}, {10,8}, {10,8}, {10,8}, {10,8}, {10,8}, {10,8}, {10,8},
|
271 |
|
|
{9,7}, {9,7}, {9,7}, {9,7}, {9,7}, {9,7}, {9,7}, {9,7},
|
272 |
|
|
{9,7}, {9,7}, {9,7}, {9,7}, {9,7}, {9,7}, {9,7}, {9,7},
|
273 |
|
|
{8,7}, {8,7}, {8,7}, {8,7}, {8,7}, {8,7}, {8,7}, {8,7},
|
274 |
|
|
{8,7}, {8,7}, {8,7}, {8,7}, {8,7}, {8,7}, {8,7}, {8,7}
|
275 |
|
|
};
|
276 |
|
|
|
277 |
|
|
/* Table B-12, dct_dc_size_luminance, codes 00xxx ... 11110 */
|
278 |
|
|
static VLCtab DClumtab0[32] =
|
279 |
|
|
{ {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2},
|
280 |
|
|
{2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2},
|
281 |
|
|
{0, 3}, {0, 3}, {0, 3}, {0, 3}, {3, 3}, {3, 3}, {3, 3}, {3, 3},
|
282 |
|
|
{4, 3}, {4, 3}, {4, 3}, {4, 3}, {5, 4}, {5, 4}, {6, 5}, {ERROR, 0}
|
283 |
|
|
};
|
284 |
|
|
|
285 |
|
|
/* Table B-12, dct_dc_size_luminance, codes 111110xxx ... 111111111 */
|
286 |
|
|
static VLCtab DClumtab1[16] =
|
287 |
|
|
{ {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6},
|
288 |
|
|
{8, 7}, {8, 7}, {8, 7}, {8, 7}, {9, 8}, {9, 8}, {10,9}, {11,9}
|
289 |
|
|
};
|
290 |
|
|
|
291 |
|
|
/* Table B-13, dct_dc_size_chrominance, codes 00xxx ... 11110 */
|
292 |
|
|
static VLCtab DCchromtab0[32] =
|
293 |
|
|
{ {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2},
|
294 |
|
|
{1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2},
|
295 |
|
|
{2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2},
|
296 |
|
|
{3, 3}, {3, 3}, {3, 3}, {3, 3}, {4, 4}, {4, 4}, {5, 5}, {ERROR, 0}
|
297 |
|
|
};
|
298 |
|
|
|
299 |
|
|
/* Table B-13, dct_dc_size_chrominance, codes 111110xxxx ... 1111111111 */
|
300 |
|
|
static VLCtab DCchromtab1[32] =
|
301 |
|
|
{ {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6},
|
302 |
|
|
{6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6},
|
303 |
|
|
{7, 7}, {7, 7}, {7, 7}, {7, 7}, {7, 7}, {7, 7}, {7, 7}, {7, 7},
|
304 |
|
|
{8, 8}, {8, 8}, {8, 8}, {8, 8}, {9, 9}, {9, 9}, {10,10}, {11,10}
|
305 |
|
|
};
|
306 |
|
|
|
307 |
|
|
/* Table B-14, DCT coefficients table zero,
|
308 |
|
|
* codes 0100 ... 1xxx (used for first (DC) coefficient)
|
309 |
|
|
*/
|
310 |
|
|
DCTtab DCTtabfirst[12] =
|
311 |
|
|
{
|
312 |
|
|
{0,2,4}, {2,1,4}, {1,1,3}, {1,1,3},
|
313 |
|
|
{0,1,1}, {0,1,1}, {0,1,1}, {0,1,1},
|
314 |
|
|
{0,1,1}, {0,1,1}, {0,1,1}, {0,1,1}
|
315 |
|
|
};
|
316 |
|
|
|
317 |
|
|
/* Table B-14, DCT coefficients table zero,
|
318 |
|
|
* codes 0100 ... 1xxx (used for all other coefficients)
|
319 |
|
|
*/
|
320 |
|
|
DCTtab DCTtabnext[12] =
|
321 |
|
|
{
|
322 |
|
|
{0,2,4}, {2,1,4}, {1,1,3}, {1,1,3},
|
323 |
|
|
{64,0,2}, {64,0,2}, {64,0,2}, {64,0,2}, /* EOB */
|
324 |
|
|
{0,1,2}, {0,1,2}, {0,1,2}, {0,1,2}
|
325 |
|
|
};
|
326 |
|
|
|
327 |
|
|
/* Table B-14, DCT coefficients table zero,
|
328 |
|
|
* codes 000001xx ... 00111xxx
|
329 |
|
|
*/
|
330 |
|
|
DCTtab DCTtab0[60] =
|
331 |
|
|
{
|
332 |
|
|
{65,0,6}, {65,0,6}, {65,0,6}, {65,0,6}, /* Escape */
|
333 |
|
|
{2,2,7}, {2,2,7}, {9,1,7}, {9,1,7},
|
334 |
|
|
{0,4,7}, {0,4,7}, {8,1,7}, {8,1,7},
|
335 |
|
|
{7,1,6}, {7,1,6}, {7,1,6}, {7,1,6},
|
336 |
|
|
{6,1,6}, {6,1,6}, {6,1,6}, {6,1,6},
|
337 |
|
|
{1,2,6}, {1,2,6}, {1,2,6}, {1,2,6},
|
338 |
|
|
{5,1,6}, {5,1,6}, {5,1,6}, {5,1,6},
|
339 |
|
|
{13,1,8}, {0,6,8}, {12,1,8}, {11,1,8},
|
340 |
|
|
{3,2,8}, {1,3,8}, {0,5,8}, {10,1,8},
|
341 |
|
|
{0,3,5}, {0,3,5}, {0,3,5}, {0,3,5},
|
342 |
|
|
{0,3,5}, {0,3,5}, {0,3,5}, {0,3,5},
|
343 |
|
|
{4,1,5}, {4,1,5}, {4,1,5}, {4,1,5},
|
344 |
|
|
{4,1,5}, {4,1,5}, {4,1,5}, {4,1,5},
|
345 |
|
|
{3,1,5}, {3,1,5}, {3,1,5}, {3,1,5},
|
346 |
|
|
{3,1,5}, {3,1,5}, {3,1,5}, {3,1,5}
|
347 |
|
|
};
|
348 |
|
|
|
349 |
|
|
/* Table B-15, DCT coefficients table one,
|
350 |
|
|
* codes 000001xx ... 11111111
|
351 |
|
|
*/
|
352 |
|
|
DCTtab DCTtab0a[252] =
|
353 |
|
|
{
|
354 |
|
|
{65,0,6}, {65,0,6}, {65,0,6}, {65,0,6}, /* Escape */
|
355 |
|
|
{7,1,7}, {7,1,7}, {8,1,7}, {8,1,7},
|
356 |
|
|
{6,1,7}, {6,1,7}, {2,2,7}, {2,2,7},
|
357 |
|
|
{0,7,6}, {0,7,6}, {0,7,6}, {0,7,6},
|
358 |
|
|
{0,6,6}, {0,6,6}, {0,6,6}, {0,6,6},
|
359 |
|
|
{4,1,6}, {4,1,6}, {4,1,6}, {4,1,6},
|
360 |
|
|
{5,1,6}, {5,1,6}, {5,1,6}, {5,1,6},
|
361 |
|
|
{1,5,8}, {11,1,8}, {0,11,8}, {0,10,8},
|
362 |
|
|
{13,1,8}, {12,1,8}, {3,2,8}, {1,4,8},
|
363 |
|
|
{2,1,5}, {2,1,5}, {2,1,5}, {2,1,5},
|
364 |
|
|
{2,1,5}, {2,1,5}, {2,1,5}, {2,1,5},
|
365 |
|
|
{1,2,5}, {1,2,5}, {1,2,5}, {1,2,5},
|
366 |
|
|
{1,2,5}, {1,2,5}, {1,2,5}, {1,2,5},
|
367 |
|
|
{3,1,5}, {3,1,5}, {3,1,5}, {3,1,5},
|
368 |
|
|
{3,1,5}, {3,1,5}, {3,1,5}, {3,1,5},
|
369 |
|
|
{1,1,3}, {1,1,3}, {1,1,3}, {1,1,3},
|
370 |
|
|
{1,1,3}, {1,1,3}, {1,1,3}, {1,1,3},
|
371 |
|
|
{1,1,3}, {1,1,3}, {1,1,3}, {1,1,3},
|
372 |
|
|
{1,1,3}, {1,1,3}, {1,1,3}, {1,1,3},
|
373 |
|
|
{1,1,3}, {1,1,3}, {1,1,3}, {1,1,3},
|
374 |
|
|
{1,1,3}, {1,1,3}, {1,1,3}, {1,1,3},
|
375 |
|
|
{1,1,3}, {1,1,3}, {1,1,3}, {1,1,3},
|
376 |
|
|
{1,1,3}, {1,1,3}, {1,1,3}, {1,1,3},
|
377 |
|
|
{64,0,4}, {64,0,4}, {64,0,4}, {64,0,4}, /* EOB */
|
378 |
|
|
{64,0,4}, {64,0,4}, {64,0,4}, {64,0,4},
|
379 |
|
|
{64,0,4}, {64,0,4}, {64,0,4}, {64,0,4},
|
380 |
|
|
{64,0,4}, {64,0,4}, {64,0,4}, {64,0,4},
|
381 |
|
|
{0,3,4}, {0,3,4}, {0,3,4}, {0,3,4},
|
382 |
|
|
{0,3,4}, {0,3,4}, {0,3,4}, {0,3,4},
|
383 |
|
|
{0,3,4}, {0,3,4}, {0,3,4}, {0,3,4},
|
384 |
|
|
{0,3,4}, {0,3,4}, {0,3,4}, {0,3,4},
|
385 |
|
|
{0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
|
386 |
|
|
{0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
|
387 |
|
|
{0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
|
388 |
|
|
{0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
|
389 |
|
|
{0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
|
390 |
|
|
{0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
|
391 |
|
|
{0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
|
392 |
|
|
{0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
|
393 |
|
|
{0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
|
394 |
|
|
{0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
|
395 |
|
|
{0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
|
396 |
|
|
{0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
|
397 |
|
|
{0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
|
398 |
|
|
{0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
|
399 |
|
|
{0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
|
400 |
|
|
{0,1,2}, {0,1,2}, {0,1,2}, {0,1,2},
|
401 |
|
|
{0,2,3}, {0,2,3}, {0,2,3}, {0,2,3},
|
402 |
|
|
{0,2,3}, {0,2,3}, {0,2,3}, {0,2,3},
|
403 |
|
|
{0,2,3}, {0,2,3}, {0,2,3}, {0,2,3},
|
404 |
|
|
{0,2,3}, {0,2,3}, {0,2,3}, {0,2,3},
|
405 |
|
|
{0,2,3}, {0,2,3}, {0,2,3}, {0,2,3},
|
406 |
|
|
{0,2,3}, {0,2,3}, {0,2,3}, {0,2,3},
|
407 |
|
|
{0,2,3}, {0,2,3}, {0,2,3}, {0,2,3},
|
408 |
|
|
{0,2,3}, {0,2,3}, {0,2,3}, {0,2,3},
|
409 |
|
|
{0,4,5}, {0,4,5}, {0,4,5}, {0,4,5},
|
410 |
|
|
{0,4,5}, {0,4,5}, {0,4,5}, {0,4,5},
|
411 |
|
|
{0,5,5}, {0,5,5}, {0,5,5}, {0,5,5},
|
412 |
|
|
{0,5,5}, {0,5,5}, {0,5,5}, {0,5,5},
|
413 |
|
|
{9,1,7}, {9,1,7}, {1,3,7}, {1,3,7},
|
414 |
|
|
{10,1,7}, {10,1,7}, {0,8,7}, {0,8,7},
|
415 |
|
|
{0,9,7}, {0,9,7}, {0,12,8}, {0,13,8},
|
416 |
|
|
{2,3,8}, {4,2,8}, {0,14,8}, {0,15,8}
|
417 |
|
|
};
|
418 |
|
|
|
419 |
|
|
/* Table B-14, DCT coefficients table zero,
|
420 |
|
|
* codes 0000001000 ... 0000001111
|
421 |
|
|
*/
|
422 |
|
|
DCTtab DCTtab1[8] =
|
423 |
|
|
{
|
424 |
|
|
{16,1,10}, {5,2,10}, {0,7,10}, {2,3,10},
|
425 |
|
|
{1,4,10}, {15,1,10}, {14,1,10}, {4,2,10}
|
426 |
|
|
};
|
427 |
|
|
|
428 |
|
|
/* Table B-15, DCT coefficients table one,
|
429 |
|
|
* codes 000000100x ... 000000111x
|
430 |
|
|
*/
|
431 |
|
|
DCTtab DCTtab1a[8] =
|
432 |
|
|
{
|
433 |
|
|
{5,2,9}, {5,2,9}, {14,1,9}, {14,1,9},
|
434 |
|
|
{2,4,10}, {16,1,10}, {15,1,9}, {15,1,9}
|
435 |
|
|
};
|
436 |
|
|
|
437 |
|
|
/* Table B-14/15, DCT coefficients table zero / one,
|
438 |
|
|
* codes 000000010000 ... 000000011111
|
439 |
|
|
*/
|
440 |
|
|
DCTtab DCTtab2[16] =
|
441 |
|
|
{
|
442 |
|
|
{0,11,12}, {8,2,12}, {4,3,12}, {0,10,12},
|
443 |
|
|
{2,4,12}, {7,2,12}, {21,1,12}, {20,1,12},
|
444 |
|
|
{0,9,12}, {19,1,12}, {18,1,12}, {1,5,12},
|
445 |
|
|
{3,3,12}, {0,8,12}, {6,2,12}, {17,1,12}
|
446 |
|
|
};
|
447 |
|
|
|
448 |
|
|
/* Table B-14/15, DCT coefficients table zero / one,
|
449 |
|
|
* codes 0000000010000 ... 0000000011111
|
450 |
|
|
*/
|
451 |
|
|
DCTtab DCTtab3[16] =
|
452 |
|
|
{
|
453 |
|
|
{10,2,13}, {9,2,13}, {5,3,13}, {3,4,13},
|
454 |
|
|
{2,5,13}, {1,7,13}, {1,6,13}, {0,15,13},
|
455 |
|
|
{0,14,13}, {0,13,13}, {0,12,13}, {26,1,13},
|
456 |
|
|
{25,1,13}, {24,1,13}, {23,1,13}, {22,1,13}
|
457 |
|
|
};
|
458 |
|
|
|
459 |
|
|
/* Table B-14/15, DCT coefficients table zero / one,
|
460 |
|
|
* codes 00000000010000 ... 00000000011111
|
461 |
|
|
*/
|
462 |
|
|
DCTtab DCTtab4[16] =
|
463 |
|
|
{
|
464 |
|
|
{0,31,14}, {0,30,14}, {0,29,14}, {0,28,14},
|
465 |
|
|
{0,27,14}, {0,26,14}, {0,25,14}, {0,24,14},
|
466 |
|
|
{0,23,14}, {0,22,14}, {0,21,14}, {0,20,14},
|
467 |
|
|
{0,19,14}, {0,18,14}, {0,17,14}, {0,16,14}
|
468 |
|
|
};
|
469 |
|
|
|
470 |
|
|
/* Table B-14/15, DCT coefficients table zero / one,
|
471 |
|
|
* codes 000000000010000 ... 000000000011111
|
472 |
|
|
*/
|
473 |
|
|
DCTtab DCTtab5[16] =
|
474 |
|
|
{
|
475 |
|
|
{0,40,15}, {0,39,15}, {0,38,15}, {0,37,15},
|
476 |
|
|
{0,36,15}, {0,35,15}, {0,34,15}, {0,33,15},
|
477 |
|
|
{0,32,15}, {1,14,15}, {1,13,15}, {1,12,15},
|
478 |
|
|
{1,11,15}, {1,10,15}, {1,9,15}, {1,8,15}
|
479 |
|
|
};
|
480 |
|
|
|
481 |
|
|
/* Table B-14/15, DCT coefficients table zero / one,
|
482 |
|
|
* codes 0000000000010000 ... 0000000000011111
|
483 |
|
|
*/
|
484 |
|
|
DCTtab DCTtab6[16] =
|
485 |
|
|
{
|
486 |
|
|
{1,18,16}, {1,17,16}, {1,16,16}, {1,15,16},
|
487 |
|
|
{6,3,16}, {16,2,16}, {15,2,16}, {14,2,16},
|
488 |
|
|
{13,2,16}, {12,2,16}, {11,2,16}, {31,1,16},
|
489 |
|
|
{30,1,16}, {29,1,16}, {28,1,16}, {27,1,16}
|
490 |
|
|
};
|
491 |
|
|
|