Cogs.Core
H264Data.h
1#pragma once
2
3#include "Base.h"
4
5#include "Rendering/Base.h"
6
7#include <stdint.h>
8#include <stddef.h>
9#include <string>
10
11namespace Cogs::Core{
12
13struct NALheader{
14 uint8_t forbidden_zero_bit : 1;
15 uint8_t nal_ref_idc : 2;
16 uint8_t nal_unit_type : 5;
17
18 void COGSCORE_DLL_API print();
19};
20static_assert(sizeof(NALheader) == 1, "NALHeader size");
21
22struct SeqParameterSet{
23 uint32_t profile_idc;
24 uint32_t constraint_set0_flag; // A.2.1 constraints (Baseline profile)
25 uint32_t constraint_set1_flag; // A.2.2 constraints (Constrained Baseline profile)
26 uint32_t constraint_set2_flag;
27 uint32_t constraint_set3_flag;
28 uint32_t constraint_set4_flag;
29 uint32_t constraint_set5_flag;
30 uint32_t level_idc;
31 uint32_t seq_parameter_set_id;
32
33 uint32_t chroma_format_idc;
34 uint32_t separate_colour_plane_flag;
35 uint32_t bit_depth_luma_minus8;
36 uint32_t bit_depth_chroma_minus8;
37 uint32_t qpprime_y_zero_transform_bypass_flag;
38 uint32_t seq_scaling_matrix_present_flag;
39 uint32_t log2_max_frame_num_minus4;
40 uint32_t pic_order_cnt_type;
41 uint32_t log2_max_pic_order_cnt_lsb_minus4;
42
43 uint32_t delta_pic_order_always_zero_flag;
44 uint32_t offset_for_non_ref_pic;
45 uint32_t offset_for_top_to_bottom_field;
46 uint32_t num_ref_frames_in_pic_order_cnt_cycle;
47 uint32_t offset_for_ref_frame[12];
48
49 uint32_t num_ref_frames;
50 uint32_t gaps_in_frame_num_value_allowed_flag;
51 uint32_t pic_width_in_mbs_minus1;
52 uint32_t pic_height_in_map_units_minus1;
53 uint32_t frame_mbs_only_flag;
54 uint32_t mb_adaptive_frame_field_flag;
55 uint32_t direct_8x8_inference_flag;
56
57 uint32_t frame_cropping_flag;
58 uint32_t frame_crop_left_offset;
59 uint32_t frame_crop_right_offset;
60 uint32_t frame_crop_top_offset;
61 uint32_t frame_crop_bottom_offset;
62
63 uint32_t vui_parameters_present_flag;
64
65 void COGSCORE_DLL_API print();
66};
67
68struct PicParameterSet{
69 uint32_t pic_parameter_set_id;
70 uint32_t seq_parameter_set_id;
71 uint32_t entropy_coding_mode_flag;
72 uint32_t bottom_field_pic_order_in_frame_present_flag;
73 uint32_t num_slice_groups_minus1;
74 uint32_t slice_group_map_type;
75 uint32_t run_length_minus1[8];
76 uint32_t num_ref_idx_l0_default_active_minus1;
77 uint32_t num_ref_idx_l1_default_active_minus1;
78 uint32_t weighted_pred_flag;
79 uint32_t weighted_bipred_idc;
80 uint32_t pic_init_qp_minus26;
81 uint32_t pic_init_sp_minus26;
82 uint32_t chroma_qp_index_offset;
83 uint32_t deblocking_filter_control_present_flag;
84 uint32_t constrained_intra_pred_flag;
85 uint32_t redundant_pic_cnt_present_flag;
86
87 uint32_t transform_8x8_mode_flag;
88 uint32_t pic_scaling_matrix_present_flag;
89 uint32_t second_chroma_qp_index_offset;
90
91 void COGSCORE_DLL_API print();
92};
93
94struct SliceLayer{
95 bool IdrPicFlag;
96 uint32_t first_mb_in_slice;
97 uint32_t slice_type;
98 uint32_t pic_parameter_set_id;
99 uint32_t colour_plane_id;
100 uint32_t frame_num;
101 uint32_t field_pic_flag;
102 uint32_t bottom_field_flag;
103 uint32_t idr_pic_id;
104 uint32_t pic_order_cnt_lsb;
105 uint32_t delta_pic_order_cnt_bottom;
106 uint32_t delta_pic_order_cnt[2];
107 uint32_t redundant_pic_cnt;
108 uint32_t direct_spatial_mv_pred_flag;
109 uint32_t num_ref_idx_active_override_flag;
110 uint32_t num_ref_idx_l0_active_minus1;
111 uint32_t num_ref_idx_l1_active_minus1;
112 uint32_t luma_log2_weight_denom;
113 uint32_t chroma_log2_weight_denom;
114 uint32_t cabac_init_idc;
115 uint32_t slice_qp_delta;
116 uint32_t sp_for_switch_flag;
117 uint32_t slice_qs_delta;
118 uint32_t disable_deblocking_filter_idc;
119 uint32_t slice_alpha_c0_offset_div2;
120 uint32_t slice_beta_offset_div2;
121 uint32_t slice_group_change_cycle;
122
123 void COGSCORE_DLL_API print();
124};
125
126struct HrdParameters{
127 uint32_t cpb_cnt_minus1;
128 uint32_t bit_rate_scale;
129 uint32_t cpb_size_scale;
130
131 uint32_t bit_rate_calue_minus1[32];
132 uint32_t cpb_size_value_minus1[32];
133 uint32_t cbr_flag[32];
134
135 uint32_t initial_cpb_removal_delay_length_minus1;
136 uint32_t cpb_removal_delay_length_minus1;
137 uint32_t cpb_output_delay_length_minus1;
138 uint32_t time_offset_length;
139};
140
141struct VuiParameters{
142 // Sample Aspect Ratio (SAR) (Luma Samples)
143 uint32_t aspect_ratio_info_present;
144 uint32_t sar_width;
145 uint32_t sar_height;
146
147 // Overscan
148 uint32_t overscan_info_present_flag;
149 uint32_t overscan_appropriate_flag;
150
151 // Video Signal Type
152 uint32_t video_signal_type_present_flag;
153 uint32_t video_format;
154 uint32_t video_full_range_flag;
155 uint32_t colour_description_present_flag;
156 uint32_t colour_primaries;
157 uint32_t transfer_characteristics;
158 uint32_t matrix_coefficients;
159
160 // Chroma location info
161 uint32_t chroma_loc_info_present_flag;
162 uint32_t chroma_sample_loc_type_top_field;
163 uint32_t chroma_sample_loc_type_bottom_field;
164
165 // Timing Information
166 uint32_t timing_info_present_flag;
167 uint32_t num_units_in_tick;
168 uint32_t time_scale;
169 uint32_t fixed_frame_rate_flag;
170
171 // Network Abstraction Layer - Hypotetical Reference Decoder - Parameters
172 uint32_t nal_hrd_parameters_present_flag;
173 HrdParameters nal_hrd_parameters;
174
175 // Video Coding Layer - Hypotetical Reference Decoder - Parameters
176 uint32_t vcl_hrd_parameters_present_flag;
177 HrdParameters vcl_hrd_parameters;
178
179 // Low Delay - Hypotetical Reference Decoder
180 uint32_t low_delay_hrd_flag;
181
182 // Picture timing SEI messages are preset
183 uint32_t pic_struct_present_flag;
184
185 // Video sequence bitstream restriction parameters
186 uint32_t bitstream_restriction_flag;
187 uint32_t motion_vectors_over_pic_bondaries_flag;
188 uint32_t max_bytes_per_pic_denom;
189 uint32_t max_bits_per_pic_denom;
190 uint32_t log2_max_mv_length_horizontal;
191 uint32_t log2_max_mv_length_vertical;
192 uint32_t max_num_reorder_frames;
193 uint32_t max_dec_frame_buffering;
194
195 void COGSCORE_DLL_API print();
196};
197
198struct H264ParseData{
199 NALheader nal_header;
200 SeqParameterSet seq_set;
201 PicParameterSet pic_set;
202 SliceLayer layer;
203 VuiParameters vui;
204};
205
206void COGSCORE_DLL_API seq_parameter_set_nalu(H264ParseData &parse, const uint8_t *sps, size_t sps_size);
207void COGSCORE_DLL_API pic_parameter_set_nalu(H264ParseData &parse, const uint8_t *pps, size_t pps_size);
208
209void COGSCORE_DLL_API byte_stream_nal_unit(H264ParseData &parse, const uint8_t *data, size_t size);
210
211void COGSCORE_DLL_API extract_spspps(const uint8_t *data, size_t size, std::string &sps, std::string &pps);
212
213bool COGSCORE_DLL_API extract_nalu_header(NALheader &header, const uint8_t *data, size_t size);
214
215size_t COGSCORE_DLL_API find_next_frame(const uint8_t *data, size_t size);
216
217}// namespace ...
Cogs::Core
Contains the Engine, Renderer, resource managers and other systems needed to run Cogs....
Definition: ComponentFunctions.h:10
Generated by doxygen 1.9.6