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mpeg2ts.xml
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mpeg2ts.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!--
# libmpeg2ts, a MPEG2 transport stream reading/writing library
#
# Copyright (C) 2012 Alexander Izvorski <[email protected]>
#
# This file is part of libmpeg2ts.
#
# libmpeg2ts is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# libmpeg2ts 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with libmpeg2ts. If not, see <http://www.gnu.org/licenses/>.
-->
<standard name="mpeg2ts">
<structure name="adaptation_field">
<field name="adaptation_field_length" length="8" type="uimsbf" contains="byte_length"/>
<length field="adaptation_field_length"/>
<if field="adaptation_field_length" greater_than="0">
<field name="discontinuity_indicator" length="1" type="bslbf"/>
<field name="random_access_indicator" length="1" type="bslbf"/>
<field name="elementary_stream_priority_indicator" length="1" type="bslbf"/>
<field name="PCR_flag" length="1" type="bslbf"/>
<field name="OPCR_flag" length="1" type="bslbf"/>
<field name="splicing_point_flag" length="1" type="bslbf"/>
<field name="transport_private_data_flag" length="1" type="bslbf"/>
<field name="adaptation_field_extension_flag" length="1" type="bslbf"/>
<if field="PCR_flag" equals="1">
<field name="program_clock_reference_base" length="33" type="uimsbf"/>
<field name="reserved" length="6" type="bslbf" value="0"/>
<field name="program_clock_reference_extension" length="9" type="uimsbf"/>
</if>
<if field="OPCR_flag" equals="1">
<field name="original_program_clock_reference_base" length="33" type="uimsbf"/>
<field name="reserved" length="6" type="bslbf" value="0"/>
<field name="original_program_clock_reference_extension" length="9" type="uimsbf"/>
</if>
<if field="splicing_point_flag" equals="1">
<field name="splice_countdown" length="8" type="tcimsbf"/>
</if>
<if field="transport_private_data_flag" equals="1">
<field name="transport_private_data_length" length="8" type="uimsbf"/>
<field name="private_data" byte_length="transport_private_data_length" type="bytes"/>
</if>
<if field="adaptation_field_extension_flag" equals="1">
<field name="adaptation_field_extension_length" length="8" type="uimsbf"/>
<length field="adaptation_field_extension_length"/>
<field name="ltw_flag" length="1" type="bslbf"/>
<field name="piecewise_rate_flag" length="1" type="bslbf"/>
<field name="seamless_splice_flag" length="1" type="bslbf"/>
<field name="reserved" length="5" type="bslbf" value="0"/>
<if field="ltw_flag" equals="1">
<field name="ltw_valid_flag" length="1" type="bslbf"/>
<field name="ltw_offset" length="15" type="uimsbf"/>
</if>
<if field="piecewise_rate_flag" equals="1">
<field name="reserved" length="2" type="bslbf" value="0"/>
<field name="piecewise_rate" length="22" type="uimsbf"/>
</if>
<if field="seamless_splice_flag" equals="1">
<field name="splice_type" length="4" type="bslbf"/>
<field name="DTS_next_AU" length="36" type="timestamp_with_markers"/>
</if>
<field name="reserved" byte_length="all" type="bytes" value="0"/>
</if>
<field name="stuffing" byte_length="all" type="bytes" value="0xFF"/>
</if>
</structure>
<structure name="transport_packet">
<field name="sync_byte" length="8" type="bslbf" value="0x47"/>
<field name="transport_error_indicator" length="1" type="bslbf"/>
<field name="payload_unit_start_indicator" length="1" type="bslbf"/>
<field name="transport_priority" length="1" type="bslbf"/>
<field name="PID" length="13" type="uimsbf"/>
<field name="transport_scrambling_control" length="2" type="bslbf"/>
<field name="adaptation_field_control" length="2" type="bslbf"/>
<field name="continuity_counter" length="4" type="uimsbf"/>
<if field="adaptation_field_control" equals_any="0b10, 0b11">
<field name="adaptation_field" type="structure" structure_type="adaptation_field"/>
</if>
<if field="adaptation_field_control" equals_any="0b01, 0b11">
<field name="data" byte_length="all" type="bytes"/>
</if>
</structure>
<constant name="pes_stream_id_program_stream_map" value="0"/>
<constant name="pes_stream_id_padding_stream" value="0"/>
<constant name="pes_stream_id_private_stream_2" value="0"/>
<constant name="pes_stream_id_ECM" value="0"/>
<constant name="pes_stream_id_EMM" value="0"/>
<constant name="pes_stream_id_program_stream_directory" value="0"/>
<constant name="pes_stream_id_DSMCC_stream" value="0"/>
<constant name="pes_stream_id_H_222_1" value="0"/>
<constant name="trick_mode_control_fast_forward" value="0"/>
<constant name="trick_mode_control_slow_motion" value="0"/>
<constant name="trick_mode_control_freeze_frame" value="0"/>
<constant name="trick_mode_control_fast_reverse" value="0"/>
<constant name="trick_mode_control_slow_reverse" value="0"/>
<structure name="PES_packet">
<field name="packet_start_code_prefix" length="24" type="bslbf"/>
<field name="stream_id" length="8" type="uimsbf"/>
<field name="PES_packet_length" length="16" type="uimsbf"/>
<length field="PES_packet_length"/>
<if field="stream_id" not_equals_any="pes_stream_id_program_stream_map,
pes_stream_id_padding_stream,
pes_stream_id_private_stream_2,
pes_stream_id_ECM,
pes_stream_id_EMM,
pes_stream_id_program_stream_directory,
pes_stream_id_DSMCC_stream,
pes_stream_id_H_222_1">
<field name="const" length="2" type="bslbf" value="0b10" />
<field name="PES_scrambling_control" length="2" type="bslbf"/>
<field name="PES_priority" length="1" type="bslbf"/>
<field name="data_alignment_indicator" length="1" type="bslbf"/>
<field name="copyright" length="1" type="bslbf"/>
<field name="original_or_copy" length="1" type="bslbf"/>
<field name="PTS_DTS_flags" length="2" type="bslbf"/>
<field name="ESCR_flag" length="1" type="bslbf"/>
<field name="ES_rate_flag" length="1" type="bslbf"/>
<field name="DSM_trick_mode_flag" length="1" type="bslbf"/>
<field name="additional_copy_info_flag" length="1" type="bslbf"/>
<field name="PES_CRC_flag" length="1" type="bslbf"/>
<field name="PES_extension_flag" length="1" type="bslbf"/>
<field name="PES_header_data_length" length="8" type="uimsbf"/>
<if field="PTS_DTS_flags" equals="0b10">
<field name="const" length="4" type="bslbf" value="0b0010" />
<field name="PTS" length="36" type="timestamp_with_markers"/>
</if>
<if field="PTS_DTS_flags" equals="0b11">
<field name="const" length="4" type="bslbf" value="0b0011" />
<field name="PTS" length="36" type="timestamp_with_markers"/>
<field name="const" length="4" type="bslbf" value="0b0001"/>
<field name="DTS" length="36" type="timestamp_with_markers"/>
</if>
<if field="ESCR_flag" equals="1">
<field name="reserved" length="2" type="bslbf" value="0"/>
<field name="ESCR_base" length="36" type="timestamp_with_markers"/>
<field name="ESCR_extension" length="9" type="uimsbf"/>
<field name="marker_bit" length="1" type="bslbf" value="1"/>
</if>
<if field="ES_rate_flag" equals="1">
<field name="marker_bit" length="1" type="bslbf" value="1"/>
<field name="ES_rate" length="22" type="uimsbf"/>
<field name="marker_bit" length="1" type="bslbf" value="1"/>
</if>
<if field="DSM_trick_mode_flag" equals="1">
<field name="trick_mode_control" length="3" type="uimsbf"/>
<if field="trick_mode_control" equals="trick_mode_control_fast_forward">
<field name="field_id" length="2" type="bslbf"/>
<field name="intra_slice_refresh" length="1" type="bslbf"/>
<field name="frequency_truncation" length="2" type="bslbf"/>
</if>
<if field="trick_mode_control" equals="trick_mode_control_slow_motion">
<field name="rep_cntrl" length="5" type="uimsbf"/>
</if>
<if field="trick_mode_control" equals="trick_mode_control_freeze_frame">
<field name="field_id" length="2" type="uimsbf"/>
<field name="reserved" length="3" type="bslbf" value="0"/>
</if>
<if field="trick_mode_control" equals="trick_mode_control_fast_reverse">
<field name="field_id" length="2" type="bslbf"/>
<field name="intra_slice_refresh" length="1" type="bslbf"/>
<field name="frequency_truncation" length="2" type="bslbf"/>
</if>
<if field="trick_mode_control" equals="trick_mode_control_slow_reverse">
<field name="rep_cntrl" length="5" type="uimsbf"/>
</if>
<if field="trick_mode_control" not_equals_any="trick_mode_control_fast_forward,
trick_mode_control_slow_motion,
trick_mode_control_freeze_frame,
trick_mode_control_fast_reverse,
trick_mode_control_slow_reverse">
<field name="reserved" length="5" type="bslbf" value="0"/>
</if>
</if>
<if field="additional_copy_info_flag" equals="1">
<field name="marker_bit" length="1" type="bslbf" value="1"/>
<field name="additional_copy_info" length="7" type="bslbf"/>
</if>
<if field="PES_CRC_flag" equals="1">
<field name="previous_PES_packet_CRC" length="16" type="bslbf"/>
</if>
<if field="PES_extension_flag" equals="1">
<field name="PES_private_data_flag" length="1" type="bslbf"/>
<field name="pack_header_field_flag" length="1" type="bslbf"/>
<field name="program_packet_sequence_counter_flag" length="1" type="bslbf"/>
<field name="P_STD_buffer_flag" length="1" type="bslbf"/>
<field name="reserved" length="3" type="bslbf" value="0"/>
<field name="PES_extension_flag_2" length="1" type="bslbf"/>
<if field="PES_private_data_flag" equals="1">
<field name="PES_private_data" length="128" type="bslbf"/>
</if>
<if field="pack_header_field_flag" equals="1">
<field name="pack_field_length" length="8" type="uimsbf"/>
<!-- FIXME pack_header() -->
<field name="pack_header" byte_length="pack_field_length" type="bytes"/>
</if>
<if field="program_packet_sequence_counter_flag" equals="1">
<field name="marker_bit" length="1" type="bslbf" value="1"/>
<field name="program_packet_sequence_counter" length="7" type="uimsbf"/>
<field name="marker_bit" length="1" type="bslbf" value="1"/>
<field name="MPEG1_MPEG2_identifier" length="1" type="bslbf"/>
<field name="original_stuff_length" length="6" type="uimsbf"/>
</if>
<if field="P_STD_buffer_flag" equals="1">
<field name="const" length="2" type="bslbf" value="0b10"/>
<field name="P_STD_buffer_scale" length="1" type="bslbf"/>
<field name="P_STD_buffer_size" length="13" type="uimsbf"/>
</if>
<if field="PES_extension_flag_2" equals="1">
<field name="marker_bit" length="1" type="bslbf" value="1"/>
<field name="PES_extension_field_length" length="7" type="uimsbf"/>
<field name="PES_extension_field" byte_length="PES_extension_field_length" type="bytes"/>
</if>
<!-- FIXME stuffing -->
<field name="PES_packet_data" type="bytes" byte_length="all"/>
</if>
</if>
<if field="stream_id" not_equals_any="pes_stream_id_program_stream_map,
pes_stream_id_padding_stream,
pes_stream_id_private_stream_2,
pes_stream_id_ECM,
pes_stream_id_EMM,
pes_stream_id_program_stream_directory,
pes_stream_id_DSMCC_stream,
pes_stream_id_H_222_1">
<field name="PES_packet_data" type="bytes" byte_length="all"/>
</if>
</structure>
</standard>