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jamey.hick |
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/*!
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************************************************************************
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* \file
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* parset.c
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* \brief
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* Parameter Sets
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* \author
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* Main contributors (see contributors.h for copyright, address and affiliation details)
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* - Stephan Wenger <stewe@cs.tu-berlin.de>
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*
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***********************************************************************
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*/
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#include <stdlib.h>
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#include <assert.h>
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#include <string.h>
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#include "global.h"
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#include "parsetcommon.h"
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#include "parset.h"
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#include "nalu.h"
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#include "memalloc.h"
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#include "fmo.h"
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#include "cabac.h"
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#include "vlc.h"
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#include "mbuffer.h"
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#include "erc_api.h"
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#if TRACE
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#define SYMTRACESTRING(s) strncpy(sym->tracestring,s,TRACESTRING_SIZE)
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#else
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#define SYMTRACESTRING(s) // do nothing
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#endif
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const byte ZZ_SCAN[16] =
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{ 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15
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};
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const byte ZZ_SCAN8[64] =
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{ 0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5,
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12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28,
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35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51,
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58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63
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};
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extern int UsedBits; // for internal statistics, is adjusted by se_v, ue_v, u_1
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extern ColocatedParams *Co_located;
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extern int quant_intra_default[16];
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extern int quant_inter_default[16];
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extern int quant8_intra_default[64];
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extern int quant8_inter_default[64];
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seq_parameter_set_rbsp_t SeqParSet[MAXSPS];
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pic_parameter_set_rbsp_t PicParSet[MAXPPS];
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extern StorablePicture* dec_picture;
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extern void init_frext(struct img_par *img);
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// syntax for scaling list matrix values
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void Scaling_List(int *scalingList, int sizeOfScalingList, Boolean *UseDefaultScalingMatrix, Bitstream *s)
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{
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int j, scanj;
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int delta_scale, lastScale, nextScale;
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lastScale = 8;
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nextScale = 8;
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for(j=0; j<sizeOfScalingList; j++)
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{
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scanj = (sizeOfScalingList==16) ? ZZ_SCAN[j]:ZZ_SCAN8[j];
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if(nextScale!=0)
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{
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delta_scale = se_v ( " : delta_sl " , s);
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nextScale = (lastScale + delta_scale + 256) % 256;
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*UseDefaultScalingMatrix = (Boolean) (scanj==0 && nextScale==0);
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}
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scalingList[scanj] = (nextScale==0) ? lastScale:nextScale;
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lastScale = scalingList[scanj];
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}
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}
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// fill sps with content of p
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int InterpretSPS (DataPartition *p, seq_parameter_set_rbsp_t *sps)
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{
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unsigned i;
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int reserved_zero;
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Bitstream *s = p->bitstream;
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assert (p != NULL);
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assert (p->bitstream != NULL);
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assert (p->bitstream->streamBuffer != 0);
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assert (sps != NULL);
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UsedBits = 0;
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sps->profile_idc = u_v (8, "SPS: profile_idc" , s);
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if ((sps->profile_idc!=66 ) &&
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(sps->profile_idc!=77 ) &&
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(sps->profile_idc!=88 ) &&
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(sps->profile_idc!=100 ) &&
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(sps->profile_idc!=110 ) &&
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(sps->profile_idc!=122 ) &&
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(sps->profile_idc!=144 ))
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{
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return UsedBits;
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}
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sps->constrained_set0_flag = u_1 ( "SPS: constrained_set0_flag" , s);
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sps->constrained_set1_flag = u_1 ( "SPS: constrained_set1_flag" , s);
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sps->constrained_set2_flag = u_1 ( "SPS: constrained_set2_flag" , s);
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sps->constrained_set3_flag = u_1 ( "SPS: constrained_set3_flag" , s);
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reserved_zero = u_v (4, "SPS: reserved_zero_4bits" , s);
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assert (reserved_zero==0);
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sps->level_idc = u_v (8, "SPS: level_idc" , s);
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sps->seq_parameter_set_id = ue_v ("SPS: seq_parameter_set_id" , s);
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// Fidelity Range Extensions stuff
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sps->chroma_format_idc = 1;
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sps->bit_depth_luma_minus8 = 0;
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sps->bit_depth_chroma_minus8 = 0;
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img->lossless_qpprime_flag = 0;
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if((sps->profile_idc==FREXT_HP ) ||
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(sps->profile_idc==FREXT_Hi10P) ||
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(sps->profile_idc==FREXT_Hi422) ||
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(sps->profile_idc==FREXT_Hi444))
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{
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sps->chroma_format_idc = ue_v ("SPS: chroma_format_idc" , s);
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// Residue Color Transform
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if(sps->chroma_format_idc == 3)
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{
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i = u_1 ("SPS: residue_transform_flag" , s);
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if (i==1)
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{
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error ("[Deprecated High444 Profile] residue_transform_flag = 1 is no longer supported", 1000);
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}
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}
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sps->bit_depth_luma_minus8 = ue_v ("SPS: bit_depth_luma_minus8" , s);
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sps->bit_depth_chroma_minus8 = ue_v ("SPS: bit_depth_chroma_minus8" , s);
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img->lossless_qpprime_flag = u_1 ("SPS: lossless_qpprime_y_zero_flag" , s);
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sps->seq_scaling_matrix_present_flag = u_1 ( "SPS: seq_scaling_matrix_present_flag" , s);
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if(sps->seq_scaling_matrix_present_flag)
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{
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for(i=0; i<8; i++)
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{
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sps->seq_scaling_list_present_flag[i] = u_1 ( "SPS: seq_scaling_list_present_flag" , s);
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if(sps->seq_scaling_list_present_flag[i])
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{
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if(i<6)
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Scaling_List(sps->ScalingList4x4[i], 16, &sps->UseDefaultScalingMatrix4x4Flag[i], s);
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else
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Scaling_List(sps->ScalingList8x8[i-6], 64, &sps->UseDefaultScalingMatrix8x8Flag[i-6], s);
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}
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}
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}
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}
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sps->log2_max_frame_num_minus4 = ue_v ("SPS: log2_max_frame_num_minus4" , s);
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sps->pic_order_cnt_type = ue_v ("SPS: pic_order_cnt_type" , s);
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if (sps->pic_order_cnt_type == 0)
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sps->log2_max_pic_order_cnt_lsb_minus4 = ue_v ("SPS: log2_max_pic_order_cnt_lsb_minus4" , s);
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else if (sps->pic_order_cnt_type == 1)
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{
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sps->delta_pic_order_always_zero_flag = u_1 ("SPS: delta_pic_order_always_zero_flag" , s);
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sps->offset_for_non_ref_pic = se_v ("SPS: offset_for_non_ref_pic" , s);
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sps->offset_for_top_to_bottom_field = se_v ("SPS: offset_for_top_to_bottom_field" , s);
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sps->num_ref_frames_in_pic_order_cnt_cycle = ue_v ("SPS: num_ref_frames_in_pic_order_cnt_cycle" , s);
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for(i=0; i<sps->num_ref_frames_in_pic_order_cnt_cycle; i++)
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sps->offset_for_ref_frame[i] = se_v ("SPS: offset_for_ref_frame[i]" , s);
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}
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sps->num_ref_frames = ue_v ("SPS: num_ref_frames" , s);
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sps->gaps_in_frame_num_value_allowed_flag = u_1 ("SPS: gaps_in_frame_num_value_allowed_flag" , s);
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sps->pic_width_in_mbs_minus1 = ue_v ("SPS: pic_width_in_mbs_minus1" , s);
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sps->pic_height_in_map_units_minus1 = ue_v ("SPS: pic_height_in_map_units_minus1" , s);
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sps->frame_mbs_only_flag = u_1 ("SPS: frame_mbs_only_flag" , s);
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if (!sps->frame_mbs_only_flag)
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{
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sps->mb_adaptive_frame_field_flag = u_1 ("SPS: mb_adaptive_frame_field_flag" , s);
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}
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sps->direct_8x8_inference_flag = u_1 ("SPS: direct_8x8_inference_flag" , s);
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sps->frame_cropping_flag = u_1 ("SPS: frame_cropping_flag" , s);
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if (sps->frame_cropping_flag)
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{
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sps->frame_cropping_rect_left_offset = ue_v ("SPS: frame_cropping_rect_left_offset" , s);
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sps->frame_cropping_rect_right_offset = ue_v ("SPS: frame_cropping_rect_right_offset" , s);
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sps->frame_cropping_rect_top_offset = ue_v ("SPS: frame_cropping_rect_top_offset" , s);
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sps->frame_cropping_rect_bottom_offset = ue_v ("SPS: frame_cropping_rect_bottom_offset" , s);
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}
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sps->vui_parameters_present_flag = (Boolean) u_1 ("SPS: vui_parameters_present_flag" , s);
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InitVUI(sps);
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ReadVUI(p, sps);
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sps->Valid = TRUE;
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return UsedBits;
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}
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void InitVUI(seq_parameter_set_rbsp_t *sps)
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{
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sps->vui_seq_parameters.matrix_coefficients = 2;
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}
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int ReadVUI(DataPartition *p, seq_parameter_set_rbsp_t *sps)
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{
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Bitstream *s = p->bitstream;
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if (sps->vui_parameters_present_flag)
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{
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sps->vui_seq_parameters.aspect_ratio_info_present_flag = u_1 ("VUI: aspect_ratio_info_present_flag" , s);
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if (sps->vui_seq_parameters.aspect_ratio_info_present_flag)
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{
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sps->vui_seq_parameters.aspect_ratio_idc = u_v ( 8, "VUI: aspect_ratio_idc" , s);
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if (255==sps->vui_seq_parameters.aspect_ratio_idc)
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{
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sps->vui_seq_parameters.sar_width = u_v (16, "VUI: sar_width" , s);
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sps->vui_seq_parameters.sar_height = u_v (16, "VUI: sar_height" , s);
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}
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}
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sps->vui_seq_parameters.overscan_info_present_flag = u_1 ("VUI: overscan_info_present_flag" , s);
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if (sps->vui_seq_parameters.overscan_info_present_flag)
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{
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sps->vui_seq_parameters.overscan_appropriate_flag = u_1 ("VUI: overscan_appropriate_flag" , s);
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}
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sps->vui_seq_parameters.video_signal_type_present_flag = u_1 ("VUI: video_signal_type_present_flag" , s);
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if (sps->vui_seq_parameters.video_signal_type_present_flag)
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{
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sps->vui_seq_parameters.video_format = u_v ( 3,"VUI: video_format" , s);
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sps->vui_seq_parameters.video_full_range_flag = u_1 ( "VUI: video_full_range_flag" , s);
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sps->vui_seq_parameters.colour_description_present_flag = u_1 ( "VUI: color_description_present_flag" , s);
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if(sps->vui_seq_parameters.colour_description_present_flag)
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{
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sps->vui_seq_parameters.colour_primaries = u_v ( 8,"VUI: colour_primaries" , s);
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sps->vui_seq_parameters.transfer_characteristics = u_v ( 8,"VUI: transfer_characteristics" , s);
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sps->vui_seq_parameters.matrix_coefficients = u_v ( 8,"VUI: matrix_coefficients" , s);
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253 |
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}
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254 |
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}
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255 |
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sps->vui_seq_parameters.chroma_location_info_present_flag = u_1 ( "VUI: chroma_loc_info_present_flag" , s);
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256 |
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if(sps->vui_seq_parameters.chroma_location_info_present_flag)
|
257 |
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{
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258 |
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sps->vui_seq_parameters.chroma_sample_loc_type_top_field = ue_v ( "VUI: chroma_sample_loc_type_top_field" , s);
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259 |
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sps->vui_seq_parameters.chroma_sample_loc_type_bottom_field = ue_v ( "VUI: chroma_sample_loc_type_bottom_field" , s);
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260 |
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}
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261 |
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sps->vui_seq_parameters.timing_info_present_flag = u_1 ("VUI: timing_info_present_flag" , s);
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262 |
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if (sps->vui_seq_parameters.timing_info_present_flag)
|
263 |
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{
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264 |
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sps->vui_seq_parameters.num_units_in_tick = u_v (32,"VUI: num_units_in_tick" , s);
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265 |
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sps->vui_seq_parameters.time_scale = u_v (32,"VUI: time_scale" , s);
|
266 |
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sps->vui_seq_parameters.fixed_frame_rate_flag = u_1 ( "VUI: fixed_frame_rate_flag" , s);
|
267 |
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}
|
268 |
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sps->vui_seq_parameters.nal_hrd_parameters_present_flag = u_1 ("VUI: nal_hrd_parameters_present_flag" , s);
|
269 |
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if (sps->vui_seq_parameters.nal_hrd_parameters_present_flag)
|
270 |
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{
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ReadHRDParameters(p, &(sps->vui_seq_parameters.nal_hrd_parameters));
|
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}
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273 |
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sps->vui_seq_parameters.vcl_hrd_parameters_present_flag = u_1 ("VUI: vcl_hrd_parameters_present_flag" , s);
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274 |
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if (sps->vui_seq_parameters.vcl_hrd_parameters_present_flag)
|
275 |
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{
|
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ReadHRDParameters(p, &(sps->vui_seq_parameters.vcl_hrd_parameters));
|
277 |
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}
|
278 |
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if (sps->vui_seq_parameters.nal_hrd_parameters_present_flag || sps->vui_seq_parameters.vcl_hrd_parameters_present_flag)
|
279 |
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{
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280 |
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sps->vui_seq_parameters.low_delay_hrd_flag = u_1 ("VUI: low_delay_hrd_flag" , s);
|
281 |
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}
|
282 |
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sps->vui_seq_parameters.pic_struct_present_flag = u_1 ("VUI: pic_struct_present_flag " , s);
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283 |
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sps->vui_seq_parameters.bitstream_restriction_flag = u_1 ("VUI: bitstream_restriction_flag" , s);
|
284 |
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if (sps->vui_seq_parameters.bitstream_restriction_flag)
|
285 |
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{
|
286 |
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sps->vui_seq_parameters.motion_vectors_over_pic_boundaries_flag = u_1 ("VUI: motion_vectors_over_pic_boundaries_flag", s);
|
287 |
|
|
sps->vui_seq_parameters.max_bytes_per_pic_denom = ue_v ("VUI: max_bytes_per_pic_denom" , s);
|
288 |
|
|
sps->vui_seq_parameters.max_bits_per_mb_denom = ue_v ("VUI: max_bits_per_mb_denom" , s);
|
289 |
|
|
sps->vui_seq_parameters.log2_max_mv_length_horizontal = ue_v ("VUI: log2_max_mv_length_horizontal" , s);
|
290 |
|
|
sps->vui_seq_parameters.log2_max_mv_length_vertical = ue_v ("VUI: log2_max_mv_length_vertical" , s);
|
291 |
|
|
sps->vui_seq_parameters.num_reorder_frames = ue_v ("VUI: num_reorder_frames" , s);
|
292 |
|
|
sps->vui_seq_parameters.max_dec_frame_buffering = ue_v ("VUI: max_dec_frame_buffering" , s);
|
293 |
|
|
}
|
294 |
|
|
}
|
295 |
|
|
|
296 |
|
|
return 0;
|
297 |
|
|
}
|
298 |
|
|
|
299 |
|
|
|
300 |
|
|
int ReadHRDParameters(DataPartition *p, hrd_parameters_t *hrd)
|
301 |
|
|
{
|
302 |
|
|
Bitstream *s = p->bitstream;
|
303 |
|
|
unsigned int SchedSelIdx;
|
304 |
|
|
|
305 |
|
|
hrd->cpb_cnt_minus1 = ue_v ( "VUI: cpb_cnt_minus1" , s);
|
306 |
|
|
hrd->bit_rate_scale = u_v ( 4,"VUI: bit_rate_scale" , s);
|
307 |
|
|
hrd->cpb_size_scale = u_v ( 4,"VUI: cpb_size_scale" , s);
|
308 |
|
|
|
309 |
|
|
for( SchedSelIdx = 0; SchedSelIdx <= hrd->cpb_cnt_minus1; SchedSelIdx++ )
|
310 |
|
|
{
|
311 |
|
|
hrd->bit_rate_value_minus1[ SchedSelIdx ] = ue_v ( "VUI: bit_rate_value_minus1" , s);
|
312 |
|
|
hrd->cpb_size_value_minus1[ SchedSelIdx ] = ue_v ( "VUI: cpb_size_value_minus1" , s);
|
313 |
|
|
hrd->cbr_flag[ SchedSelIdx ] = u_1 ( "VUI: cbr_flag" , s);
|
314 |
|
|
}
|
315 |
|
|
|
316 |
|
|
hrd->initial_cpb_removal_delay_length_minus1 = u_v ( 5,"VUI: initial_cpb_removal_delay_length_minus1" , s);
|
317 |
|
|
hrd->cpb_removal_delay_length_minus1 = u_v ( 5,"VUI: cpb_removal_delay_length_minus1" , s);
|
318 |
|
|
hrd->dpb_output_delay_length_minus1 = u_v ( 5,"VUI: dpb_output_delay_length_minus1" , s);
|
319 |
|
|
hrd->time_offset_length = u_v ( 5,"VUI: time_offset_length" , s);
|
320 |
|
|
|
321 |
|
|
return 0;
|
322 |
|
|
}
|
323 |
|
|
|
324 |
|
|
|
325 |
|
|
int InterpretPPS (DataPartition *p, pic_parameter_set_rbsp_t *pps)
|
326 |
|
|
{
|
327 |
|
|
unsigned i;
|
328 |
|
|
int NumberBitsPerSliceGroupId;
|
329 |
|
|
Bitstream *s = p->bitstream;
|
330 |
|
|
|
331 |
|
|
assert (p != NULL);
|
332 |
|
|
assert (p->bitstream != NULL);
|
333 |
|
|
assert (p->bitstream->streamBuffer != 0);
|
334 |
|
|
assert (pps != NULL);
|
335 |
|
|
|
336 |
|
|
UsedBits = 0;
|
337 |
|
|
|
338 |
|
|
pps->pic_parameter_set_id = ue_v ("PPS: pic_parameter_set_id" , s);
|
339 |
|
|
pps->seq_parameter_set_id = ue_v ("PPS: seq_parameter_set_id" , s);
|
340 |
|
|
pps->entropy_coding_mode_flag = u_1 ("PPS: entropy_coding_mode_flag" , s);
|
341 |
|
|
|
342 |
|
|
//! Note: as per JVT-F078 the following bit is unconditional. If F078 is not accepted, then
|
343 |
|
|
//! one has to fetch the correct SPS to check whether the bit is present (hopefully there is
|
344 |
|
|
//! no consistency problem :-(
|
345 |
|
|
//! The current encoder code handles this in the same way. When you change this, don't forget
|
346 |
|
|
//! the encoder! StW, 12/8/02
|
347 |
|
|
pps->pic_order_present_flag = u_1 ("PPS: pic_order_present_flag" , s);
|
348 |
|
|
|
349 |
|
|
pps->num_slice_groups_minus1 = ue_v ("PPS: num_slice_groups_minus1" , s);
|
350 |
|
|
|
351 |
|
|
// FMO stuff begins here
|
352 |
|
|
if (pps->num_slice_groups_minus1 > 0)
|
353 |
|
|
{
|
354 |
|
|
pps->slice_group_map_type = ue_v ("PPS: slice_group_map_type" , s);
|
355 |
|
|
if (pps->slice_group_map_type == 0)
|
356 |
|
|
{
|
357 |
|
|
for (i=0; i<=pps->num_slice_groups_minus1; i++)
|
358 |
|
|
pps->run_length_minus1 [i] = ue_v ("PPS: run_length_minus1 [i]" , s);
|
359 |
|
|
}
|
360 |
|
|
else if (pps->slice_group_map_type == 2)
|
361 |
|
|
{
|
362 |
|
|
for (i=0; i<pps->num_slice_groups_minus1; i++)
|
363 |
|
|
{
|
364 |
|
|
//! JVT-F078: avoid reference of SPS by using ue(v) instead of u(v)
|
365 |
|
|
pps->top_left [i] = ue_v ("PPS: top_left [i]" , s);
|
366 |
|
|
pps->bottom_right [i] = ue_v ("PPS: bottom_right [i]" , s);
|
367 |
|
|
}
|
368 |
|
|
}
|
369 |
|
|
else if (pps->slice_group_map_type == 3 ||
|
370 |
|
|
pps->slice_group_map_type == 4 ||
|
371 |
|
|
pps->slice_group_map_type == 5)
|
372 |
|
|
{
|
373 |
|
|
pps->slice_group_change_direction_flag = u_1 ("PPS: slice_group_change_direction_flag" , s);
|
374 |
|
|
pps->slice_group_change_rate_minus1 = ue_v ("PPS: slice_group_change_rate_minus1" , s);
|
375 |
|
|
}
|
376 |
|
|
else if (pps->slice_group_map_type == 6)
|
377 |
|
|
{
|
378 |
|
|
if (pps->num_slice_groups_minus1+1 >4)
|
379 |
|
|
NumberBitsPerSliceGroupId = 3;
|
380 |
|
|
else if (pps->num_slice_groups_minus1+1 > 2)
|
381 |
|
|
NumberBitsPerSliceGroupId = 2;
|
382 |
|
|
else
|
383 |
|
|
NumberBitsPerSliceGroupId = 1;
|
384 |
|
|
//! JVT-F078, exlicitly signal number of MBs in the map
|
385 |
|
|
pps->num_slice_group_map_units_minus1 = ue_v ("PPS: num_slice_group_map_units_minus1" , s);
|
386 |
|
|
for (i=0; i<=pps->num_slice_group_map_units_minus1; i++)
|
387 |
|
|
pps->slice_group_id[i] = u_v (NumberBitsPerSliceGroupId, "slice_group_id[i]", s);
|
388 |
|
|
}
|
389 |
|
|
}
|
390 |
|
|
|
391 |
|
|
// End of FMO stuff
|
392 |
|
|
|
393 |
|
|
pps->num_ref_idx_l0_active_minus1 = ue_v ("PPS: num_ref_idx_l0_active_minus1" , s);
|
394 |
|
|
pps->num_ref_idx_l1_active_minus1 = ue_v ("PPS: num_ref_idx_l1_active_minus1" , s);
|
395 |
|
|
pps->weighted_pred_flag = u_1 ("PPS: weighted_pred_flag" , s);
|
396 |
|
|
pps->weighted_bipred_idc = u_v ( 2, "PPS: weighted_bipred_idc" , s);
|
397 |
|
|
pps->pic_init_qp_minus26 = se_v ("PPS: pic_init_qp_minus26" , s);
|
398 |
|
|
pps->pic_init_qs_minus26 = se_v ("PPS: pic_init_qs_minus26" , s);
|
399 |
|
|
|
400 |
|
|
pps->chroma_qp_index_offset = se_v ("PPS: chroma_qp_index_offset" , s);
|
401 |
|
|
|
402 |
|
|
pps->deblocking_filter_control_present_flag = u_1 ("PPS: deblocking_filter_control_present_flag" , s);
|
403 |
|
|
pps->constrained_intra_pred_flag = u_1 ("PPS: constrained_intra_pred_flag" , s);
|
404 |
|
|
pps->redundant_pic_cnt_present_flag = u_1 ("PPS: redundant_pic_cnt_present_flag" , s);
|
405 |
|
|
|
406 |
|
|
if(more_rbsp_data(s->streamBuffer, s->frame_bitoffset,s->bitstream_length)) // more_data_in_rbsp()
|
407 |
|
|
{
|
408 |
|
|
//Fidelity Range Extensions Stuff
|
409 |
|
|
pps->transform_8x8_mode_flag = u_1 ("PPS: transform_8x8_mode_flag" , s);
|
410 |
|
|
pps->pic_scaling_matrix_present_flag = u_1 ("PPS: pic_scaling_matrix_present_flag" , s);
|
411 |
|
|
|
412 |
|
|
if(pps->pic_scaling_matrix_present_flag)
|
413 |
|
|
{
|
414 |
|
|
for(i=0; i<(6+((unsigned)pps->transform_8x8_mode_flag<<1)); i++)
|
415 |
|
|
{
|
416 |
|
|
pps->pic_scaling_list_present_flag[i]= u_1 ("PPS: pic_scaling_list_present_flag" , s);
|
417 |
|
|
|
418 |
|
|
if(pps->pic_scaling_list_present_flag[i])
|
419 |
|
|
{
|
420 |
|
|
if(i<6)
|
421 |
|
|
Scaling_List(pps->ScalingList4x4[i], 16, &pps->UseDefaultScalingMatrix4x4Flag[i], s);
|
422 |
|
|
else
|
423 |
|
|
Scaling_List(pps->ScalingList8x8[i-6], 64, &pps->UseDefaultScalingMatrix8x8Flag[i-6], s);
|
424 |
|
|
}
|
425 |
|
|
}
|
426 |
|
|
}
|
427 |
|
|
pps->second_chroma_qp_index_offset = se_v ("PPS: second_chroma_qp_index_offset" , s);
|
428 |
|
|
}
|
429 |
|
|
else
|
430 |
|
|
{
|
431 |
|
|
pps->second_chroma_qp_index_offset = pps->chroma_qp_index_offset;
|
432 |
|
|
}
|
433 |
|
|
|
434 |
|
|
pps->Valid = TRUE;
|
435 |
|
|
return UsedBits;
|
436 |
|
|
}
|
437 |
|
|
|
438 |
|
|
|
439 |
|
|
void PPSConsistencyCheck (pic_parameter_set_rbsp_t *pps)
|
440 |
|
|
{
|
441 |
|
|
printf ("Consistency checking a picture parset, to be implemented\n");
|
442 |
|
|
// if (pps->seq_parameter_set_id invalid then do something)
|
443 |
|
|
}
|
444 |
|
|
|
445 |
|
|
void SPSConsistencyCheck (seq_parameter_set_rbsp_t *sps)
|
446 |
|
|
{
|
447 |
|
|
printf ("Consistency checking a sequence parset, to be implemented\n");
|
448 |
|
|
}
|
449 |
|
|
|
450 |
|
|
void MakePPSavailable (int id, pic_parameter_set_rbsp_t *pps)
|
451 |
|
|
{
|
452 |
|
|
assert (pps->Valid == TRUE);
|
453 |
|
|
|
454 |
|
|
if (PicParSet[id].Valid == TRUE && PicParSet[id].slice_group_id != NULL)
|
455 |
|
|
free (PicParSet[id].slice_group_id);
|
456 |
|
|
|
457 |
|
|
memcpy (&PicParSet[id], pps, sizeof (pic_parameter_set_rbsp_t));
|
458 |
|
|
|
459 |
|
|
// we can simply use the memory provided with the pps. the PPS is destroyed after this function
|
460 |
|
|
// call and will not try to free if pps->slice_group_id == NULL
|
461 |
|
|
PicParSet[id].slice_group_id = pps->slice_group_id;
|
462 |
|
|
pps->slice_group_id = NULL;
|
463 |
|
|
}
|
464 |
|
|
|
465 |
|
|
void CleanUpPPS()
|
466 |
|
|
{
|
467 |
|
|
int i;
|
468 |
|
|
|
469 |
|
|
for (i=0; i<MAXPPS; i++)
|
470 |
|
|
{
|
471 |
|
|
if (PicParSet[i].Valid == TRUE && PicParSet[i].slice_group_id != NULL)
|
472 |
|
|
free (PicParSet[i].slice_group_id);
|
473 |
|
|
|
474 |
|
|
PicParSet[i].Valid = FALSE;
|
475 |
|
|
}
|
476 |
|
|
}
|
477 |
|
|
|
478 |
|
|
|
479 |
|
|
void MakeSPSavailable (int id, seq_parameter_set_rbsp_t *sps)
|
480 |
|
|
{
|
481 |
|
|
assert (sps->Valid == TRUE);
|
482 |
|
|
memcpy (&SeqParSet[id], sps, sizeof (seq_parameter_set_rbsp_t));
|
483 |
|
|
}
|
484 |
|
|
|
485 |
|
|
|
486 |
|
|
void ProcessSPS (NALU_t *nalu)
|
487 |
|
|
{
|
488 |
|
|
DataPartition *dp = AllocPartition(1);
|
489 |
|
|
seq_parameter_set_rbsp_t *sps = AllocSPS();
|
490 |
|
|
int dummy;
|
491 |
|
|
|
492 |
|
|
memcpy (dp->bitstream->streamBuffer, &nalu->buf[1], nalu->len-1);
|
493 |
|
|
dp->bitstream->code_len = dp->bitstream->bitstream_length = RBSPtoSODB (dp->bitstream->streamBuffer, nalu->len-1);
|
494 |
|
|
dp->bitstream->ei_flag = 0;
|
495 |
|
|
dp->bitstream->read_len = dp->bitstream->frame_bitoffset = 0;
|
496 |
|
|
dummy = InterpretSPS (dp, sps);
|
497 |
|
|
|
498 |
|
|
if (sps->Valid)
|
499 |
|
|
{
|
500 |
|
|
if (active_sps)
|
501 |
|
|
{
|
502 |
|
|
if (sps->seq_parameter_set_id == active_sps->seq_parameter_set_id)
|
503 |
|
|
{
|
504 |
|
|
if (!sps_is_equal(sps, active_sps))
|
505 |
|
|
{
|
506 |
|
|
if (dec_picture)
|
507 |
|
|
{
|
508 |
|
|
// this may only happen on slice loss
|
509 |
|
|
exit_picture();
|
510 |
|
|
}
|
511 |
|
|
active_sps=NULL;
|
512 |
|
|
}
|
513 |
|
|
}
|
514 |
|
|
}
|
515 |
|
|
// SPSConsistencyCheck (pps);
|
516 |
|
|
MakeSPSavailable (sps->seq_parameter_set_id, sps);
|
517 |
|
|
img->profile_idc = sps->profile_idc; //ADD-VG
|
518 |
|
|
}
|
519 |
|
|
|
520 |
|
|
FreePartition (dp, 1);
|
521 |
|
|
FreeSPS (sps);
|
522 |
|
|
}
|
523 |
|
|
|
524 |
|
|
|
525 |
|
|
void ProcessPPS (NALU_t *nalu)
|
526 |
|
|
{
|
527 |
|
|
DataPartition *dp;
|
528 |
|
|
pic_parameter_set_rbsp_t *pps;
|
529 |
|
|
int dummy;
|
530 |
|
|
|
531 |
|
|
dp = AllocPartition(1);
|
532 |
|
|
pps = AllocPPS();
|
533 |
|
|
memcpy (dp->bitstream->streamBuffer, &nalu->buf[1], nalu->len-1);
|
534 |
|
|
dp->bitstream->code_len = dp->bitstream->bitstream_length = RBSPtoSODB (dp->bitstream->streamBuffer, nalu->len-1);
|
535 |
|
|
dp->bitstream->ei_flag = 0;
|
536 |
|
|
dp->bitstream->read_len = dp->bitstream->frame_bitoffset = 0;
|
537 |
|
|
dummy = InterpretPPS (dp, pps);
|
538 |
|
|
// PPSConsistencyCheck (pps);
|
539 |
|
|
if (active_pps)
|
540 |
|
|
{
|
541 |
|
|
if (pps->pic_parameter_set_id == active_pps->pic_parameter_set_id)
|
542 |
|
|
{
|
543 |
|
|
if (!pps_is_equal(pps, active_pps))
|
544 |
|
|
{
|
545 |
|
|
if (dec_picture)
|
546 |
|
|
{
|
547 |
|
|
// this may only happen on slice loss
|
548 |
|
|
exit_picture();
|
549 |
|
|
}
|
550 |
|
|
active_pps = NULL;
|
551 |
|
|
}
|
552 |
|
|
}
|
553 |
|
|
}
|
554 |
|
|
MakePPSavailable (pps->pic_parameter_set_id, pps);
|
555 |
|
|
FreePartition (dp, 1);
|
556 |
|
|
FreePPS (pps);
|
557 |
|
|
}
|
558 |
|
|
|
559 |
|
|
void activate_sps (seq_parameter_set_rbsp_t *sps)
|
560 |
|
|
{
|
561 |
|
|
if (active_sps != sps)
|
562 |
|
|
{
|
563 |
|
|
if (dec_picture)
|
564 |
|
|
{
|
565 |
|
|
// this may only happen on slice loss
|
566 |
|
|
exit_picture();
|
567 |
|
|
}
|
568 |
|
|
active_sps = sps;
|
569 |
|
|
|
570 |
|
|
img->bitdepth_chroma = 0;
|
571 |
|
|
img->width_cr = 0;
|
572 |
|
|
img->height_cr = 0;
|
573 |
|
|
|
574 |
|
|
// Fidelity Range Extensions stuff (part 1)
|
575 |
|
|
img->bitdepth_luma = sps->bit_depth_luma_minus8 + 8;
|
576 |
|
|
if (sps->chroma_format_idc != YUV400)
|
577 |
|
|
img->bitdepth_chroma = sps->bit_depth_chroma_minus8 + 8;
|
578 |
|
|
|
579 |
|
|
img->MaxFrameNum = 1<<(sps->log2_max_frame_num_minus4+4);
|
580 |
|
|
img->PicWidthInMbs = (sps->pic_width_in_mbs_minus1 +1);
|
581 |
|
|
img->PicHeightInMapUnits = (sps->pic_height_in_map_units_minus1 +1);
|
582 |
|
|
img->FrameHeightInMbs = ( 2 - sps->frame_mbs_only_flag ) * img->PicHeightInMapUnits;
|
583 |
|
|
img->FrameSizeInMbs = img->PicWidthInMbs * img->FrameHeightInMbs;
|
584 |
|
|
|
585 |
|
|
img->yuv_format=sps->chroma_format_idc;
|
586 |
|
|
|
587 |
|
|
img->width = img->PicWidthInMbs * MB_BLOCK_SIZE;
|
588 |
|
|
img->height = img->FrameHeightInMbs * MB_BLOCK_SIZE;
|
589 |
|
|
|
590 |
|
|
if (sps->chroma_format_idc == YUV420)
|
591 |
|
|
{
|
592 |
|
|
img->width_cr = img->width >>1;
|
593 |
|
|
img->height_cr = img->height >>1;
|
594 |
|
|
}
|
595 |
|
|
else if (sps->chroma_format_idc == YUV422)
|
596 |
|
|
{
|
597 |
|
|
img->width_cr = img->width >>1;
|
598 |
|
|
img->height_cr = img->height;
|
599 |
|
|
}
|
600 |
|
|
else if (sps->chroma_format_idc == YUV444)
|
601 |
|
|
{
|
602 |
|
|
//YUV444
|
603 |
|
|
img->width_cr = img->width;
|
604 |
|
|
img->height_cr = img->height;
|
605 |
|
|
}
|
606 |
|
|
|
607 |
|
|
img->width_cr_m1 = img->width_cr - 1;
|
608 |
|
|
init_frext(img);
|
609 |
|
|
init_global_buffers();
|
610 |
|
|
if (!img->no_output_of_prior_pics_flag)
|
611 |
|
|
{
|
612 |
|
|
flush_dpb();
|
613 |
|
|
}
|
614 |
|
|
init_dpb();
|
615 |
|
|
|
616 |
|
|
if (NULL!=Co_located)
|
617 |
|
|
{
|
618 |
|
|
free_colocated(Co_located);
|
619 |
|
|
}
|
620 |
|
|
Co_located = alloc_colocated (img->width, img->height,sps->mb_adaptive_frame_field_flag);
|
621 |
|
|
ercInit(img->width, img->height, 1);
|
622 |
|
|
}
|
623 |
|
|
}
|
624 |
|
|
|
625 |
|
|
void activate_pps(pic_parameter_set_rbsp_t *pps)
|
626 |
|
|
{
|
627 |
|
|
if (active_pps != pps)
|
628 |
|
|
{
|
629 |
|
|
if (dec_picture)
|
630 |
|
|
{
|
631 |
|
|
// this may only happen on slice loss
|
632 |
|
|
exit_picture();
|
633 |
|
|
}
|
634 |
|
|
|
635 |
|
|
active_pps = pps;
|
636 |
|
|
|
637 |
|
|
// Fidelity Range Extensions stuff (part 2)
|
638 |
|
|
img->Transform8x8Mode = pps->transform_8x8_mode_flag;
|
639 |
|
|
|
640 |
|
|
}
|
641 |
|
|
}
|
642 |
|
|
|
643 |
|
|
void UseParameterSet (int PicParsetId)
|
644 |
|
|
{
|
645 |
|
|
seq_parameter_set_rbsp_t *sps = &SeqParSet[PicParSet[PicParsetId].seq_parameter_set_id];
|
646 |
|
|
pic_parameter_set_rbsp_t *pps = &PicParSet[PicParsetId];
|
647 |
|
|
int i;
|
648 |
|
|
|
649 |
|
|
|
650 |
|
|
if (PicParSet[PicParsetId].Valid != TRUE)
|
651 |
|
|
printf ("Trying to use an invalid (uninitialized) Picture Parameter Set with ID %d, expect the unexpected...\n", PicParsetId);
|
652 |
|
|
if (SeqParSet[PicParSet[PicParsetId].seq_parameter_set_id].Valid != TRUE)
|
653 |
|
|
printf ("PicParset %d references an invalid (uninitialized) Sequence Parameter Set with ID %d, expect the unexpected...\n", PicParsetId, PicParSet[PicParsetId].seq_parameter_set_id);
|
654 |
|
|
|
655 |
|
|
sps = &SeqParSet[PicParSet[PicParsetId].seq_parameter_set_id];
|
656 |
|
|
|
657 |
|
|
|
658 |
|
|
// In theory, and with a well-designed software, the lines above
|
659 |
|
|
// are everything necessary. In practice, we need to patch many values
|
660 |
|
|
// in img-> (but no more in inp-> -- these have been taken care of)
|
661 |
|
|
|
662 |
|
|
// Sequence Parameter Set Stuff first
|
663 |
|
|
|
664 |
|
|
// printf ("Using Picture Parameter set %d and associated Sequence Parameter Set %d\n", PicParsetId, PicParSet[PicParsetId].seq_parameter_set_id);
|
665 |
|
|
|
666 |
|
|
if ((int) sps->pic_order_cnt_type < 0 || sps->pic_order_cnt_type > 2) // != 1
|
667 |
|
|
{
|
668 |
|
|
printf ("invalid sps->pic_order_cnt_type = %d\n", sps->pic_order_cnt_type);
|
669 |
|
|
error ("pic_order_cnt_type != 1", -1000);
|
670 |
|
|
}
|
671 |
|
|
|
672 |
|
|
if (sps->pic_order_cnt_type == 1)
|
673 |
|
|
{
|
674 |
|
|
if(sps->num_ref_frames_in_pic_order_cnt_cycle >= MAXnum_ref_frames_in_pic_order_cnt_cycle)
|
675 |
|
|
{
|
676 |
|
|
error("num_ref_frames_in_pic_order_cnt_cycle too large",-1011);
|
677 |
|
|
}
|
678 |
|
|
}
|
679 |
|
|
|
680 |
|
|
activate_sps(sps);
|
681 |
|
|
activate_pps(pps);
|
682 |
|
|
|
683 |
|
|
|
684 |
|
|
// currSlice->dp_mode is set by read_new_slice (NALU first byte available there)
|
685 |
|
|
if (pps->entropy_coding_mode_flag == UVLC)
|
686 |
|
|
{
|
687 |
|
|
nal_startcode_follows = uvlc_startcode_follows;
|
688 |
|
|
for (i=0; i<3; i++)
|
689 |
|
|
{
|
690 |
|
|
img->currentSlice->partArr[i].readSyntaxElement = readSyntaxElement_UVLC;
|
691 |
|
|
}
|
692 |
|
|
}
|
693 |
|
|
else
|
694 |
|
|
{
|
695 |
|
|
nal_startcode_follows = cabac_startcode_follows;
|
696 |
|
|
for (i=0; i<3; i++)
|
697 |
|
|
{
|
698 |
|
|
img->currentSlice->partArr[i].readSyntaxElement = readSyntaxElement_CABAC;
|
699 |
|
|
}
|
700 |
|
|
}
|
701 |
|
|
}
|
702 |
|
|
|