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Src/h264dec/ldecod/inc/parsetcommon.h
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Src/h264dec/ldecod/inc/parsetcommon.h
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/*!
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**************************************************************************************
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* \file
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* parsetcommon.h
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* \brief
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* Picture and Sequence Parameter Sets, structures common to encoder and decoder
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*
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* \date 25 November 2002
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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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// In the JVT syntax, frequently flags are used that indicate the presence of
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// certain pieces of information in the NALU. Here, these flags are also
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// present. In the encoder, those bits indicate that the values signaled to
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// be present are meaningful and that this part of the syntax should be
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// written to the NALU. In the decoder, the flag indicates that information
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// was received from the decoded NALU and should be used henceforth.
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// The structure names were chosen as indicated in the JVT syntax
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#ifndef _PARSETCOMMON_H_
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#define _PARSETCOMMON_H_
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#include "defines.h"
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#define MAXIMUMPARSETRBSPSIZE 1500
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#define MAXIMUMPARSETNALUSIZE 1500
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#define MAXSPS 32
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#define MAXPPS 256
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#define MAXIMUMVALUEOFcpb_cnt 32
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typedef struct
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{
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unsigned int cpb_cnt_minus1; // ue(v)
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unsigned int bit_rate_scale; // u(4)
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unsigned int cpb_size_scale; // u(4)
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unsigned int bit_rate_value_minus1 [MAXIMUMVALUEOFcpb_cnt]; // ue(v)
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unsigned int cpb_size_value_minus1 [MAXIMUMVALUEOFcpb_cnt]; // ue(v)
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unsigned int cbr_flag [MAXIMUMVALUEOFcpb_cnt]; // u(1)
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unsigned int initial_cpb_removal_delay_length_minus1; // u(5)
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unsigned int cpb_removal_delay_length_minus1; // u(5)
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unsigned int dpb_output_delay_length_minus1; // u(5)
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unsigned int time_offset_length; // u(5)
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} hrd_parameters_t;
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typedef struct
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{
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Boolean aspect_ratio_info_present_flag; // u(1)
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unsigned int aspect_ratio_idc; // u(8)
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unsigned short sar_width; // u(16)
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unsigned short sar_height; // u(16)
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Boolean overscan_info_present_flag; // u(1)
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Boolean overscan_appropriate_flag; // u(1)
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Boolean video_signal_type_present_flag; // u(1)
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unsigned int video_format; // u(3)
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Boolean video_full_range_flag; // u(1)
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Boolean colour_description_present_flag; // u(1)
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unsigned int colour_primaries; // u(8)
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unsigned int transfer_characteristics; // u(8)
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unsigned int matrix_coefficients; // u(8)
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Boolean chroma_location_info_present_flag; // u(1)
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unsigned int chroma_sample_loc_type_top_field; // ue(v)
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unsigned int chroma_sample_loc_type_bottom_field; // ue(v)
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Boolean timing_info_present_flag; // u(1)
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unsigned int num_units_in_tick; // u(32)
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unsigned int time_scale; // u(32)
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Boolean fixed_frame_rate_flag; // u(1)
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Boolean nal_hrd_parameters_present_flag; // u(1)
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hrd_parameters_t nal_hrd_parameters; // hrd_paramters_t
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Boolean vcl_hrd_parameters_present_flag; // u(1)
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hrd_parameters_t vcl_hrd_parameters; // hrd_paramters_t
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// if ((nal_hrd_parameters_present_flag || (vcl_hrd_parameters_present_flag))
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Boolean low_delay_hrd_flag; // u(1)
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Boolean pic_struct_present_flag; // u(1)
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Boolean bitstream_restriction_flag; // u(1)
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Boolean motion_vectors_over_pic_boundaries_flag; // u(1)
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unsigned int max_bytes_per_pic_denom; // ue(v)
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unsigned int max_bits_per_mb_denom; // ue(v)
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unsigned int log2_max_mv_length_vertical; // ue(v)
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unsigned int log2_max_mv_length_horizontal; // ue(v)
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unsigned int num_reorder_frames; // ue(v)
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unsigned int max_dec_frame_buffering; // ue(v)
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} vui_seq_parameters_t;
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#define MAXnum_slice_groups_minus1 8
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typedef struct
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{
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Boolean Valid; // indicates the parameter set is valid
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unsigned int pic_parameter_set_id; // ue(v)
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unsigned int seq_parameter_set_id; // ue(v)
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Boolean entropy_coding_mode_flag; // u(1)
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Boolean transform_8x8_mode_flag; // u(1)
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Boolean pic_scaling_matrix_present_flag; // u(1)
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int pic_scaling_list_present_flag[12]; // u(1)
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int ScalingList4x4[6][16]; // se(v)
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int ScalingList8x8[6][64]; // se(v)
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Boolean UseDefaultScalingMatrix4x4Flag[6];
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Boolean UseDefaultScalingMatrix8x8Flag[6];
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// if( pic_order_cnt_type < 2 ) in the sequence parameter set
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Boolean bottom_field_pic_order_in_frame_present_flag; // u(1)
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unsigned int num_slice_groups_minus1; // ue(v)
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unsigned int slice_group_map_type; // ue(v)
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// if( slice_group_map_type = = 0 )
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unsigned int run_length_minus1[MAXnum_slice_groups_minus1]; // ue(v)
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// else if( slice_group_map_type = = 2 )
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unsigned int top_left[MAXnum_slice_groups_minus1]; // ue(v)
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unsigned int bottom_right[MAXnum_slice_groups_minus1]; // ue(v)
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// else if( slice_group_map_type = = 3 || 4 || 5
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Boolean slice_group_change_direction_flag; // u(1)
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unsigned int slice_group_change_rate_minus1; // ue(v)
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// else if( slice_group_map_type = = 6 )
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unsigned int pic_size_in_map_units_minus1; // ue(v)
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byte *slice_group_id; // complete MBAmap u(v)
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int num_ref_idx_l0_active_minus1; // ue(v)
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int num_ref_idx_l1_active_minus1; // ue(v)
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Boolean weighted_pred_flag; // u(1)
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unsigned int weighted_bipred_idc; // u(2)
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int pic_init_qp_minus26; // se(v)
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int pic_init_qs_minus26; // se(v)
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int chroma_qp_index_offset; // se(v)
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int second_chroma_qp_index_offset; // se(v)
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Boolean deblocking_filter_control_present_flag; // u(1)
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Boolean constrained_intra_pred_flag; // u(1)
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Boolean redundant_pic_cnt_present_flag; // u(1)
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} pic_parameter_set_rbsp_t;
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#define MAXnum_ref_frames_in_pic_order_cnt_cycle 256
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typedef struct
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{
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Boolean Valid; // indicates the parameter set is valid
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unsigned int profile_idc; // u(8)
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Boolean constrained_set0_flag; // u(1)
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Boolean constrained_set1_flag; // u(1)
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Boolean constrained_set2_flag; // u(1)
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Boolean constrained_set3_flag; // u(1)
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unsigned int level_idc; // u(8)
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unsigned int seq_parameter_set_id; // ue(v)
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unsigned int chroma_format_idc; // ue(v)
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Boolean seq_scaling_matrix_present_flag; // u(1)
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int seq_scaling_list_present_flag[12]; // u(1)
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int ScalingList4x4[6][16]; // se(v)
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int ScalingList8x8[6][64]; // se(v)
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Boolean UseDefaultScalingMatrix4x4Flag[6];
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Boolean UseDefaultScalingMatrix8x8Flag[6];
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unsigned int bit_depth_luma_minus8; // ue(v)
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unsigned int bit_depth_chroma_minus8; // ue(v)
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unsigned int log2_max_frame_num_minus4; // ue(v)
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unsigned int pic_order_cnt_type;
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// if( pic_order_cnt_type == 0 )
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unsigned int log2_max_pic_order_cnt_lsb_minus4; // ue(v)
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// else if( pic_order_cnt_type == 1 )
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Boolean delta_pic_order_always_zero_flag; // u(1)
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int offset_for_non_ref_pic; // se(v)
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int offset_for_top_to_bottom_field; // se(v)
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unsigned int num_ref_frames_in_pic_order_cnt_cycle; // ue(v)
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// for( i = 0; i < num_ref_frames_in_pic_order_cnt_cycle; i++ )
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int offset_for_ref_frame[MAXnum_ref_frames_in_pic_order_cnt_cycle]; // se(v)
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unsigned int num_ref_frames; // ue(v)
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Boolean gaps_in_frame_num_value_allowed_flag; // u(1)
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unsigned int pic_width_in_mbs_minus1; // ue(v)
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unsigned int pic_height_in_map_units_minus1; // ue(v)
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Boolean frame_mbs_only_flag; // u(1)
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// if( !frame_mbs_only_flag )
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Boolean mb_adaptive_frame_field_flag; // u(1)
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Boolean direct_8x8_inference_flag; // u(1)
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Boolean frame_cropping_flag; // u(1)
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unsigned int frame_cropping_rect_left_offset; // ue(v)
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unsigned int frame_cropping_rect_right_offset; // ue(v)
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unsigned int frame_cropping_rect_top_offset; // ue(v)
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unsigned int frame_cropping_rect_bottom_offset; // ue(v)
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Boolean vui_parameters_present_flag; // u(1)
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vui_seq_parameters_t vui_seq_parameters; // vui_seq_parameters_t
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unsigned separate_colour_plane_flag; // u(1)
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} seq_parameter_set_rbsp_t;
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pic_parameter_set_rbsp_t *AllocPPS (void);
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seq_parameter_set_rbsp_t *AllocSPS (void);
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void FreePPS (pic_parameter_set_rbsp_t *pps);
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void FreeSPS (seq_parameter_set_rbsp_t *sps);
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int sps_is_equal(seq_parameter_set_rbsp_t *sps1, seq_parameter_set_rbsp_t *sps2);
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int pps_is_equal(pic_parameter_set_rbsp_t *pps1, pic_parameter_set_rbsp_t *pps2);
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#endif
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