336 lines
8.5 KiB
C
336 lines
8.5 KiB
C
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/******************************************************************************
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*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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/**
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*******************************************************************************
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* @file
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* isvc_structs.h
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*
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* @brief
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* Contains struct definition used for SVC
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*
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* @author
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* ittiam
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*
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* @remarks
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* None
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*
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*******************************************************************************
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*/
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#ifndef _ISVC_STRUCTS_H_
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#define _ISVC_STRUCTS_H_
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#include "ih264_typedefs.h"
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#include "iv2.h"
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#include "ih264_defs.h"
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#include "ih264_structs.h"
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#include "isvc_defs.h"
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typedef struct buffer_container_t
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{
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void *pv_data;
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WORD32 i4_data_stride;
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} buffer_container_t;
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typedef struct yuv_buf_props_t
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{
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buffer_container_t as_component_bufs[NUM_COMPONENTS];
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IV_COLOR_FORMAT_T e_color_format;
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UWORD32 u4_width;
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UWORD32 u4_height;
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UWORD8 u1_bit_depth;
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} yuv_buf_props_t;
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typedef struct nal_unit_header_t
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{
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UWORD8 u1_nal_ref_idc;
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UWORD8 u1_nal_unit_type;
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} nal_unit_header_t;
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typedef struct coordinates_t
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{
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WORD32 i4_abscissa;
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WORD32 i4_ordinate;
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} coordinates_t;
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typedef struct svc_au_buf_t
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{
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/* Array of structs that contain properties of the buffers used for storing */
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yuv_buf_props_t *ps_layer_yuv_buf_props;
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/* Temporal ID */
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WORD8 i1_temporal_id;
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/* Num Spatial Layers */
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UWORD8 u1_num_spatial_layers;
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/* Resolution ration b/w spatial layers */
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DOUBLE d_spatial_res_ratio;
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/* absolute value of POC */
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WORD32 i4_abs_poc;
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/* POC % MaxPicOrderCntLSB */
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WORD32 i4_poc_lsb;
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/* Lower 32 bits of time stamp */
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UWORD32 u4_timestamp_low;
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/* Higher 32 bits of time stamp */
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UWORD32 u4_timestamp_high;
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/* Is Pic used as refPic for future frames? */
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WORD32 i4_used_as_ref;
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/* frame_num in the slice header */
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WORD32 i4_frame_num;
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/*
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* 0: Top Field
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* 1: Bottom Field
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*/
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WORD8 i1_field_type;
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/* buffer ID from frame buffer manager */
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WORD32 i4_buf_id;
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} svc_au_buf_t;
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typedef struct svc_nalu_ext_t
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{
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nal_unit_header_t s_nalu_header;
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/* idr_flag */
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UWORD8 u1_idr_flag;
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/* priority_id (Range = [0, 63]) */
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UWORD8 u1_priority_id;
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/* no_inter_layer_pred_flag */
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UWORD8 u1_no_inter_layer_pred_flag;
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/* dependency_id (Range = [0, 7]) */
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UWORD8 u1_dependency_id;
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/* quality_id (Range = [0, 15]) */
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UWORD8 u1_quality_id;
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/* temporal_id (Range = [0, 7]) */
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UWORD8 u1_temporal_id;
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/* use_ref_base_pic_flag */
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UWORD8 u1_use_ref_base_pic_flag;
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/* discardable_flag */
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UWORD8 u1_discardable_flag;
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/* output_flag */
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UWORD8 u1_output_flag;
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/* reserved_three_2bits */
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UWORD8 u1_reserved_three_2bits;
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} svc_nalu_ext_t;
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typedef struct svc_vui_ext_t
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{
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/* specifies the maximum layers in the SVC bitstream */
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UWORD32 u4_vui_ext_num_entries_minus1;
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/* specifies the dependency ID for each layer */
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UWORD8 u1_vui_ext_dependency_id[MAX_VUI_EXT_NUM_ENTRIES];
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/* specifies the quality ID for each layer */
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UWORD8 u1_vui_ext_quality_id[MAX_VUI_EXT_NUM_ENTRIES];
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/* specifies the temporal ID for each layer */
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UWORD8 u1_vui_ext_temporal_id[MAX_VUI_EXT_NUM_ENTRIES];
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/* specifies the timing_info_present_flag value of the i-th sub-bitstream */
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UWORD8 u1_vui_ext_timing_info_present_flag[MAX_VUI_EXT_NUM_ENTRIES];
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/* specifies the num_units_in_tick value of the i-th sub-bitstream */
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UWORD32 u4_vui_ext_num_units_in_tick[MAX_VUI_EXT_NUM_ENTRIES];
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/* specifies the time_scale value of the i-th sub-bitstream */
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UWORD32 u4_vui_ext_time_scale[MAX_VUI_EXT_NUM_ENTRIES];
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/* specifies the fixed_frame_rate_flag value of the i-th sub-bitstream */
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UWORD8 u1_vui_ext_fixed_frame_rate_flag[MAX_VUI_EXT_NUM_ENTRIES];
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/* specifies the nal_hrd_parameters_present_flag value of the i-th */
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UWORD8 u1_vui_ext_nal_hrd_params_present_flag[MAX_VUI_EXT_NUM_ENTRIES];
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/* specifies the vcl_hrd_parameters_present_flag value of the i-th */
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UWORD8 u1_vui_ext_vcl_hrd_params_present_flag[MAX_VUI_EXT_NUM_ENTRIES];
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/* specifies the low_delay_hrd_flag value of the i-th sub-bitstream */
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UWORD8 u1_vui_ext_low_delay_hrd_flag[MAX_VUI_EXT_NUM_ENTRIES];
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/* specifies the pic_struct_present_flag value of the i-th sub-bitstream */
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UWORD8 u1_vui_ext_pic_struct_present_flag[MAX_VUI_EXT_NUM_ENTRIES];
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} svc_vui_ext_t;
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typedef struct sps_svc_ext_t
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{
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/* inter_layer_deblocking_filter_control_present_flag */
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UWORD8 u1_inter_layer_deblocking_filter_control_present_flag;
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/* extended_spatial_scalability_idc */
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UWORD8 u1_extended_spatial_scalability_idc;
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/* chroma_phase_x_plus1_flag */
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UWORD8 u1_chroma_phase_x_plus1;
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/* chroma_phase_y_plus1 */
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UWORD8 u1_chroma_phase_y_plus1;
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/* seq_ref_layer_chroma_phase_x_plus1_flag */
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UWORD8 u1_seq_ref_layer_chroma_phase_x_plus1_flag;
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/* seq_ref_layer_chroma_phase_y_plus1 */
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UWORD8 u1_seq_ref_layer_chroma_phase_y_plus1;
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/* seq_scaled_ref_layer_left_offset */
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WORD32 i4_seq_scaled_ref_layer_left_offset;
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/* seq_scaled_ref_layer_top_offset */
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WORD32 i4_seq_scaled_ref_layer_top_offset;
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/* seq_scaled_ref_layer_right_offset */
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WORD32 i4_seq_scaled_ref_layer_right_offset;
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/* seq_scaled_ref_layer_bottom_offset */
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WORD32 i4_seq_scaled_ref_layer_bottom_offset;
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/* seq_tcoeff_level_prediction_flag */
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WORD8 i1_seq_tcoeff_level_prediction_flag;
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/* adaptive_tcoeff_level_prediction_flag */
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WORD8 i1_adaptive_tcoeff_level_prediction_flag;
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/* slice_header_restriction_flag */
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WORD8 i1_slice_header_restriction_flag;
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} sps_svc_ext_t;
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typedef struct subset_sps_t
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{
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/* SPS structure */
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sps_t s_sps;
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/* Structure containing flags specific to SVC SPS */
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sps_svc_ext_t s_sps_svc_ext;
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/* svc_vui_parameters_present_flag */
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WORD8 i1_svc_vui_parameters_present_flag;
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svc_vui_ext_t s_svc_vui;
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/* additional_extension2_data_flag */
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WORD8 i1_additional_extension2_flag;
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} subset_sps_t;
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typedef struct svc_slice_header_t
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{
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/* ref_layer_dq_id */
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UWORD32 u4_ref_layer_dq_id;
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/* disable_inter_layer_deblocking_filter_idc */
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UWORD32 u4_disable_inter_layer_deblocking_filter_idc;
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/* inter_layer_slice_alpha_c0_offset_div2 */
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WORD32 i4_inter_layer_slice_alpha_c0_offset_div2;
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/* inter_layer_slice_beta_offset_div2 */
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WORD32 i4_inter_layer_slice_beta_offset_div2;
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/* constrained_intra_resampling_flag */
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WORD8 i1_constrained_intra_resampling_flag;
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/* ref_layer_chroma_phase_x_plus1_flag */
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WORD8 i1_ref_layer_chroma_phase_x_plus1_flag;
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/* ref_layer_chroma_phase_y_plus1 */
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WORD8 i1_ref_layer_chroma_phase_y_plus1;
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/* scaled_ref_layer_left_offset */
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WORD32 i4_scaled_ref_layer_left;
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/* scaled_ref_layer_top_offset */
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WORD32 i4_scaled_ref_layer_top;
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/* scaled_ref_layer_right_offset */
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WORD32 i4_scaled_ref_layer_right;
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/* scaled_ref_layer_bottom_offset */
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WORD32 i4_scaled_ref_layer_bottom;
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/* slice_skip_flag */
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WORD8 i1_slice_skip_flag;
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/* num_mbs_in_slice_minus1 */
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UWORD32 u4_num_mbs_in_slice_minus1;
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/* adaptive_base_mode_flag */
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WORD8 i1_adaptive_base_mode_flag;
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/* default_base_mode_flag */
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WORD8 i1_default_base_mode_flag;
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/* adaptive_motion_prediction_flag */
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WORD8 i1_adaptive_motion_prediction_flag;
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/* default_motion_prediction_flag */
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WORD8 i1_default_motion_prediction_flag;
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/* adaptive_residual_prediction_flag */
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WORD8 i1_adaptive_residual_prediction_flag;
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/* default_residual_prediction_flag */
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WORD8 i1_default_residual_prediction_flag;
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/* tcoeff_level_prediction_flag */
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WORD8 i1_tcoeff_level_prediction_flag;
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/* scan_idx_start */
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UWORD32 u4_scan_idx_start;
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/* scan_idx_end */
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UWORD32 u4_scan_idx_end;
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WORD32 i4_store_ref_base_pic_flag;
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slice_header_t s_slice_header;
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} svc_slice_header_t;
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#endif
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