/*!
|
* COPYRIGHT (C) 2020 Emeric Grange - All Rights Reserved
|
*
|
* This file is part of MiniVideo.
|
*
|
* MiniVideo 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 3 of the License, or
|
* (at your option) any later version.
|
*
|
* MiniVideo 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 MiniVideo. If not, see <http://www.gnu.org/licenses/>.
|
*
|
* \file pes_struct.h
|
* \author Emeric Grange <emeric.grange@gmail.com>
|
* \date 2012
|
*/
|
|
#ifndef PARSER_MPEG_PES_STRUCT_H
|
#define PARSER_MPEG_PES_STRUCT_H
|
|
// minivideo headers
|
#include <stdint.h>
|
|
/* ************************************************************************** */
|
|
/*!
|
* \struct PesHeader_t
|
* \brief PES packet header structure.
|
*
|
* From 'ISO/IEC 13818-1' specification:
|
* Table 2-17 – PES packet.
|
*/
|
typedef struct PesHeader_t
|
{
|
int64_t offset_start; //!< Absolute position of the very first byte of this PES (including start code)
|
int64_t offset_end; //!< Absolute position of the last byte of this PES
|
|
uint32_t start_code; //!< should be 0x000001
|
uint8_t stream_id;
|
uint32_t packet_length; //!< Full packet length
|
uint32_t payload_length; //!< Payload length only
|
|
} PesHeader_t;
|
|
/*!
|
* \struct PesPacket_t
|
* \brief PES packet structure.
|
*
|
* From 'ISO/IEC 13818-1' specification:
|
* Table 2-17 – PES packet.
|
*/
|
typedef struct PesPacket_t
|
{
|
uint32_t mpeg_version;
|
|
// "Regular" PES parameters
|
uint8_t PES_scrambling_control;
|
uint8_t PES_priority;
|
uint8_t data_alignment_indicator;
|
uint8_t copyright;
|
uint8_t original_or_copy;
|
uint8_t PTS_DTS_flag;
|
uint8_t ESCR_flag;
|
uint8_t ES_rate_flag;
|
uint8_t DSM_trick_mode_flag;
|
uint8_t additional_copy_info_flag;
|
uint8_t PES_CRC_flag;
|
uint8_t PES_extension_flag;
|
uint8_t PES_header_data_length;
|
|
uint64_t PTS;
|
uint64_t DTS;
|
uint64_t ESCR_base;
|
uint16_t ESCR_extension;
|
uint32_t ES_rate;
|
|
// Trick mode
|
uint8_t trick_mode_control;
|
uint8_t field_id;
|
uint8_t intra_slice_refresh;
|
uint8_t frequency_truncation;
|
uint8_t rep_cntrl;
|
|
// Additional_copy_info_flag
|
uint8_t additional_copy_info;
|
|
// PES_CRC_flag
|
uint16_t previous_PES_packet_CRC;
|
|
// PES_extension_flag
|
uint8_t PES_private_data_flag;
|
uint8_t pack_header_field_flag;
|
uint8_t program_packet_sequence_counter_flag;
|
uint8_t PSTD_buffer_flag;
|
uint8_t PES_extension_flag_2;
|
|
// PES_private_data_flag
|
uint8_t PES_private_data[16];
|
|
// pack_header_field_flag
|
uint8_t pack_field_length;
|
|
// program_packet_sequence_counter_flag
|
uint8_t program_packet_sequence_counter;
|
uint8_t MPEG1_MPEG2_identifier;
|
uint8_t original_stuff_length;
|
|
// PSTD_buffer_flag
|
uint8_t PSTD_buffer_scale;
|
uint16_t PSTD_buffer_size;
|
|
// PES_extension_flag_2
|
uint8_t PES_extension_field_length;
|
|
} PesPacket_t;
|
|
/* ************************************************************************** */
|
|
/*!
|
* \enum trickMode_e
|
* \brief Can modify stream speed.
|
*
|
* H.222 / table 2-20.
|
*/
|
typedef enum trickMode_e
|
{
|
TM_FAST_FORWARD = 0x0,
|
TM_SLOW_MOTION = 0x1,
|
TM_FREEZE_FRAME = 0x2,
|
TM_FAST_REVERSE = 0x3,
|
TM_SLOW_REVERSE = 0x4
|
|
} trickMode_e;
|
|
/*!
|
* \enum fieldId_e
|
* \brief Indicate which field(s) should be displayed.
|
*
|
* H.222 / table 2-21.
|
*/
|
typedef enum fieldId_e
|
{
|
FID_TOP = 0x0,
|
FID_BOTTOM = 0x1,
|
FID_FRAME = 0x2,
|
FID_RESERVED = 0x3
|
|
} fieldId_e;
|
|
/*!
|
* \enum PesStreamId_e
|
* \brief Specify the type of Packetized Elementary Stream.
|
*
|
* 8b stream_id only.
|
* H.222 / table 2-18.
|
*/
|
typedef enum PesStreamId_e
|
{
|
SID_PROGRAM_END = 0xB9,
|
SID_PACK_HEADER = 0xBA,
|
SID_SYSTEM_HEADER = 0xBB,
|
SID_PROGRAM_STREAM_MAP = 0xBC,
|
SID_PRIVATE_STREAM_1 = 0xBD,
|
SID_PADDING = 0xBE,
|
SID_PRIVATE_STREAM_2 = 0xBF,
|
|
SID_AUDIO = 0xC0, //!< audio: C0 to DF
|
SID_VIDEO = 0xE0, //!< video: E0 to EF
|
|
SID_ECM_STREAM = 0xF0,
|
SID_EMM_STREAM = 0xF1,
|
SID_DSMCC_STREAM = 0xF2,
|
SID_CEI13522_STREAM = 0xF3,
|
SID_2221A = 0xF4,
|
SID_2221B = 0xF5,
|
SID_2221C = 0xF6,
|
SID_2221D = 0xF7,
|
SID_2221E = 0xF8,
|
SID_ANC_DATA = 0xF9,
|
SID_SLPACKETIZED_STREAM = 0xFA,
|
SID_FLEXMUX_STREAM = 0xFB,
|
|
SID_RESERVED = 0xFC, //!< reserved: FC to FE
|
|
SID_PROGRAM_STREAM_DIRECTORY = 0xFF
|
|
} PesStreamId_e;
|
|
/* ************************************************************************** */
|
#endif // PARSER_MPEG_PES_STRUCT_H
|
