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h264_sei.h
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h264_sei.h
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/*
* h264bitstream - a library for reading and writing H.264 video
* Copyright (C) 2005-2007 Auroras Entertainment, LLC
* Copyright (C) 2008-2011 Avail-TVN
*
* Written by Alex Izvorski <[email protected]> and Alex Giladi <[email protected]>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#ifndef _H264_SEI_H
#define _H264_SEI_H 1
#include <stdint.h>
#include <stdbool.h>
#include "bs.h"
#ifdef __cplusplus
extern "C" {
#endif
#define MAX_J 128
typedef struct
{
unsigned short layer_id; //TBD: is layer_id possible to larger than 65535
unsigned char priority_id;
bool discardable_flag;
unsigned char dependency_id;
unsigned char quality_id;
unsigned char temporal_id;
bool sub_pic_layer_flag;
bool sub_region_layer_flag;
bool iroi_division_info_present_flag;
bool profile_level_info_present_flag;
bool bitrate_info_present_flag;
bool frm_rate_info_present_flag;
bool frm_size_info_present_flag;
bool layer_dependency_info_present_flag;
bool parameter_sets_info_present_flag;
bool bitstream_restriction_info_present_flag;
bool exact_inter_layer_pred_flag;
bool exact_sample_value_match_flag;
bool layer_conversion_flag;
bool layer_output_flag;
int layer_profile_level_idc;
unsigned short avg_bitrate;
unsigned short max_bitrate_layer;
unsigned short max_bitrate_layer_representation;
unsigned short max_bitrate_calc_window;
unsigned char constant_frm_rate_idc;
unsigned short avg_frm_rate;
unsigned short frm_width_in_mbs_minus1;
unsigned short frm_height_in_mbs_minus1;
unsigned short base_region_layer_id;
bool dynamic_rect_flag;
unsigned short horizontal_offset;
unsigned short vertical_offset;
unsigned short region_width;
unsigned short region_height;
unsigned short roi_id;
bool iroi_grid_flag;
unsigned short grid_width_in_mbs_minus1;
unsigned short grid_height_in_mbs_minus1;
unsigned short num_rois_minus1;
struct
{
unsigned short first_mb_in_roi;
unsigned short roi_width_in_mbs_minus1;
unsigned short roi_height_in_mbs_minus1;
} roi[MAX_J];
unsigned short num_directly_dependent_layers;
unsigned short directly_dependent_layer_id_delta_minus1[MAX_J];
unsigned short layer_dependency_info_src_layer_id_delta;
unsigned short num_seq_parameter_sets;
unsigned short seq_parameter_set_id_delta[MAX_J];
unsigned short num_subset_seq_parameter_sets;
unsigned short subset_seq_parameter_set_id_delta[MAX_J];
unsigned short num_pic_parameter_sets_minus1;
unsigned short pic_parameter_set_id_delta[MAX_J];
unsigned short parameter_sets_info_src_layer_id_delta;
bool motion_vectors_over_pic_boundaries_flag;
unsigned short max_bytes_per_pic_denom;
unsigned short max_bits_per_mb_denom;
unsigned short log2_max_mv_length_horizontal;
unsigned short log2_max_mv_length_vertical;
unsigned short max_num_reorder_frames;
unsigned short max_dec_frame_buffering;
unsigned short conversion_type_idc;
bool rewriting_info_flag[2];
int rewriting_profile_level_idc[2];
unsigned short rewriting_avg_bitrate[2];
unsigned short rewriting_max_bitrate[2];
} sei_scalability_layer_info_t;
#define MAX_LENGTH 128
typedef struct
{
bool temporal_id_nesting_flag;
bool priority_layer_info_present_flag;
bool priority_id_setting_flag;
unsigned short num_layers_minus1;
sei_scalability_layer_info_t layers[MAX_J];
unsigned short pr_num_dIds_minus1;
struct
{
unsigned char pr_dependency_id;
unsigned short pr_num_minus1;
struct
{
unsigned short pr_id;
int pr_profile_level_idc;
unsigned short pr_avg_bitrate;
unsigned short pr_max_bitrate;
} pr_info[MAX_J];
unsigned char priority_id_setting_uri[MAX_LENGTH];
} pr[MAX_J];
} sei_scalability_info_t;
typedef struct
{
int payloadType;
int payloadSize;
union
{
sei_scalability_info_t* sei_svc;
uint8_t* data;
};
} sei_t;
sei_t* sei_new();
void sei_free(sei_t* s);
//D.1 SEI payload syntax
#define SEI_TYPE_BUFFERING_PERIOD 0
#define SEI_TYPE_PIC_TIMING 1
#define SEI_TYPE_PAN_SCAN_RECT 2
#define SEI_TYPE_FILLER_PAYLOAD 3
#define SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35 4
#define SEI_TYPE_USER_DATA_UNREGISTERED 5
#define SEI_TYPE_RECOVERY_POINT 6
#define SEI_TYPE_DEC_REF_PIC_MARKING_REPETITION 7
#define SEI_TYPE_SPARE_PIC 8
#define SEI_TYPE_SCENE_INFO 9
#define SEI_TYPE_SUB_SEQ_INFO 10
#define SEI_TYPE_SUB_SEQ_LAYER_CHARACTERISTICS 11
#define SEI_TYPE_SUB_SEQ_CHARACTERISTICS 12
#define SEI_TYPE_FULL_FRAME_FREEZE 13
#define SEI_TYPE_FULL_FRAME_FREEZE_RELEASE 14
#define SEI_TYPE_FULL_FRAME_SNAPSHOT 15
#define SEI_TYPE_PROGRESSIVE_REFINEMENT_SEGMENT_START 16
#define SEI_TYPE_PROGRESSIVE_REFINEMENT_SEGMENT_END 17
#define SEI_TYPE_MOTION_CONSTRAINED_SLICE_GROUP_SET 18
#define SEI_TYPE_FILM_GRAIN_CHARACTERISTICS 19
#define SEI_TYPE_DEBLOCKING_FILTER_DISPLAY_PREFERENCE 20
#define SEI_TYPE_STEREO_VIDEO_INFO 21
#define SEI_TYPE_SCALABILITY_INFO 24
#ifdef __cplusplus
}
#endif
#endif