/*!
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* COPYRIGHT (C) 2020 Emeric Grange - All Rights Reserved
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*
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* This file is part of MiniVideo.
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*
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* MiniVideo is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* MiniVideo is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with MiniVideo. If not, see <http://www.gnu.org/licenses/>.
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*
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* \file ps_struct.h
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* \author Emeric Grange <emeric.grange@gmail.com>
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* \date 2012
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*/
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#ifndef PARSER_MPEG_PS_STRUCT_H
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#define PARSER_MPEG_PS_STRUCT_H
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#include <stdint.h>
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// minivideo headers
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#include "minivideo/minivideo_typedef.h"
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#include <cstdio>
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/* ************************************************************************** */
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typedef struct MpegPs_t
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{
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bool run; //!< A convenient way to stop the parser from any sublevel
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unsigned mpeg_version;
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unsigned stat_packheader;
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unsigned stat_systemheader;
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unsigned stat_packet_psm;
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unsigned stat_packet_psd;
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unsigned stat_packet_private;
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unsigned stat_packet_audio;
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unsigned stat_packet_video;
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unsigned stat_packet_other;
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FILE *xml; //!< Temporary file used by the xmlMapper
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} MpegPs_t;
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/* ************************************************************************** */
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/*!
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* \struct PackHeader_t
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* \brief 'Program Stream pack header' structure.
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*
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* From 'ISO/IEC 13818-1' specification:
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* Table 2-33 – Program Stream pack header.
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*/
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typedef struct PackHeader_t
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{
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uint64_t system_clock_reference_base;
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uint16_t system_clock_reference_extension;
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uint32_t program_mux_rate;
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uint8_t pack_stuffing_length;
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} PackHeader_t;
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/*!
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* \struct SystemHeader_t
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* \brief 'Program Stream system header' structure.
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*
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* From 'ISO/IEC 13818-1' specification:
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* Table 2-34 – Program Stream system header.
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*/
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typedef struct SystemHeader_t
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{
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uint32_t rate_bound;
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uint8_t audio_bound;
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uint8_t fixed_flag;
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uint8_t CSPS_flag;
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uint8_t system_audio_lock_flag;
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uint8_t system_video_lock_flag;
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uint8_t video_bound;
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uint8_t packet_rate_restriction_flag;
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// stack it?
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uint8_t stream_id;
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uint8_t PSTD_buffer_bound_scale;
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uint16_t PSTD_buffer_size_bound;
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} SystemHeader_t;
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/*!
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* \struct ProgramStreamMap_t
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* \brief 'Program Stream map' structure.
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*
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* From 'ISO/IEC 13818-1' specification:
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* Table 2-35 – Program Stream map.
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*/
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typedef struct ElementaryStreamMap_t {
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uint8_t stream_type;
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uint8_t elementary_stream_id;
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uint16_t elementary_stream_info_length;
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// descriptor
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}ElementaryStreamMap_t;
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typedef struct ProgramStreamMap_t
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{
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uint8_t current_next_indicator;
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uint8_t program_stream_map_version;
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uint16_t program_stream_map_info_length;
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// descriptor
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uint16_t elementary_stream_map_length;
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// stack it?
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ElementaryStreamMap_t elementary_stream_map[8];
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uint8_t elementary_stream_map_size;
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uint32_t CRC_32;
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} ProgramStreamMap_t;
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/*!
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* \struct ProgramStreamDirectory_t
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* \brief 'Program Stream directory' structure.
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*
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* From 'ISO/IEC 13818-1' specification:
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* Table 2-36 – Program Stream directory packet.
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*/
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typedef struct ProgramStreamDirectory_t
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{
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uint16_t number_of_access_units;
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uint64_t prev_directory_offset;
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uint64_t next_directory_offset;
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// stack it?
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uint8_t packet_stream_id;
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uint8_t PES_header_position_offset_sign;
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uint64_t PES_header_position_offset;
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uint16_t reference_offset;
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uint64_t PTS;
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uint16_t byes_to_read;
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uint8_t intra_coded_indicator;
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uint8_t coding_parameters_indicator;
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} ProgramStreamDirectory_t;
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/* ************************************************************************** */
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#endif // PARSER_MPEG_PS_STRUCT_H
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