libdvbv5 1.26.1
Library to work with Digital TV devices on Linux
Data Structures | Macros | Typedefs | Enumerations | Functions | Variables
descriptors.h File Reference
Digital TV table parsing

Provides a way to handle MPEG-TS descriptors found on Digital TV streams. More...

#include <unistd.h>
#include <stdint.h>
#include <arpa/inet.h>

Go to the source code of this file.

Data Structures

struct  dvb_desc
 Linked list containing the several descriptors found on a MPEG-TS table. More...
 
struct  dvb_descriptor
 Contains the parser information for the MPEG-TS parser code. More...
 

Macros

#define DVB_MAX_PAYLOAD_PACKET_SIZE
 Maximum size of a table session to be parsed.
 
#define DVB_CRC_SIZE
 number of bytes for the descriptor's CRC check
 
#define TS_Information_descriptior
 

Typedefs

typedef void(* dvb_table_init_func) (struct dvb_v5_fe_parms *parms, const uint8_t *buf, ssize_t buflen, void **table)
 Function prototype for a function that initializes the descriptors parsing on a table.
 
typedef int(* dvb_desc_init_func) (struct dvb_v5_fe_parms *parms, const uint8_t *buf, struct dvb_desc *desc)
 Function prototype for the descriptors parsing init code.
 
typedef void(* dvb_desc_print_func) (struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
 Function prototype for the descriptors parsing print code.
 
typedef void(* dvb_desc_free_func) (struct dvb_desc *desc)
 Function prototype for the descriptors memory free code.
 

Enumerations

enum  descriptors {
  video_stream_descriptor , audio_stream_descriptor , hierarchy_descriptor , registration_descriptor ,
  ds_alignment_descriptor , target_background_grid_descriptor , video_window_descriptor , conditional_access_descriptor ,
  iso639_language_descriptor , system_clock_descriptor , multiplex_buffer_utilization_descriptor , copyright_descriptor ,
  maximum_bitrate_descriptor , private_data_indicator_descriptor , smoothing_buffer_descriptor , std_descriptor ,
  ibp_descriptor , mpeg4_video_descriptor , mpeg4_audio_descriptor , iod_descriptor ,
  sl_descriptor , fmc_descriptor , external_es_id_descriptor , muxcode_descriptor ,
  fmxbuffersize_descriptor , multiplexbuffer_descriptor , content_labeling_descriptor , metadata_pointer_descriptor ,
  metadata_descriptor , metadata_std_descriptor , AVC_video_descriptor , ipmp_descriptor ,
  AVC_timing_and_HRD_descriptor , mpeg2_aac_audio_descriptor , flexmux_timing_descriptor , network_name_descriptor ,
  service_list_descriptor , stuffing_descriptor , satellite_delivery_system_descriptor , cable_delivery_system_descriptor ,
  VBI_data_descriptor , VBI_teletext_descriptor , bouquet_name_descriptor , service_descriptor ,
  country_availability_descriptor , linkage_descriptor , NVOD_reference_descriptor , time_shifted_service_descriptor ,
  short_event_descriptor , extended_event_descriptor , time_shifted_event_descriptor , component_descriptor ,
  mosaic_descriptor , stream_identifier_descriptor , CA_identifier_descriptor , content_descriptor ,
  parental_rating_descriptor , teletext_descriptor , telephone_descriptor , local_time_offset_descriptor ,
  subtitling_descriptor , terrestrial_delivery_system_descriptor , multilingual_network_name_descriptor , multilingual_bouquet_name_descriptor ,
  multilingual_service_name_descriptor , multilingual_component_descriptor , private_data_specifier_descriptor , service_move_descriptor ,
  short_smoothing_buffer_descriptor , frequency_list_descriptor , partial_transport_stream_descriptor , data_broadcast_descriptor ,
  scrambling_descriptor , data_broadcast_id_descriptor , transport_stream_descriptor , DSNG_descriptor ,
  PDC_descriptor , AC_3_descriptor , ancillary_data_descriptor , cell_list_descriptor ,
  cell_frequency_link_descriptor , announcement_support_descriptor , application_signalling_descriptor , adaptation_field_data_descriptor ,
  service_identifier_descriptor , service_availability_descriptor , default_authority_descriptor , related_content_descriptor ,
  TVA_id_descriptor , content_identifier_descriptor , time_slice_fec_identifier_descriptor , ECM_repetition_rate_descriptor ,
  S2_satellite_delivery_system_descriptor , enhanced_AC_3_descriptor , DTS_descriptor , AAC_descriptor ,
  XAIT_location_descriptor , FTA_content_management_descriptor , extension_descriptor , CUE_identifier_descriptor ,
  extended_channel_name , service_location , component_name_descriptor , logical_channel_number_descriptor ,
  carousel_id_descriptor , association_tag_descriptor , deferred_association_tags_descriptor , hierarchical_transmission_descriptor ,
  digital_copy_control_descriptor , network_identifier_descriptor , partial_transport_stream_time_descriptor , audio_component_descriptor ,
  hyperlink_descriptor , target_area_descriptor , data_contents_descriptor , video_decode_control_descriptor ,
  download_content_descriptor , CA_EMM_TS_descriptor , CA_contract_information_descriptor , CA_service_descriptor ,
  TS_Information_descriptor , extended_broadcaster_descriptor , logo_transmission_descriptor , basic_local_event_descriptor ,
  reference_descriptor , node_relation_descriptor , short_node_information_descriptor , STC_reference_descriptor ,
  series_descriptor , event_group_descriptor , SI_parameter_descriptor , broadcaster_Name_Descriptor ,
  component_group_descriptor , SI_prime_TS_descriptor , board_information_descriptor , LDT_linkage_descriptor ,
  connected_transmission_descriptor , content_availability_descriptor , service_group_descriptor , carousel_compatible_composite_descriptor ,
  conditional_playback_descriptor , ISDBT_delivery_system_descriptor , partial_reception_descriptor , emergency_information_descriptor ,
  data_component_descriptor , system_management_descriptor , atsc_stuffing_descriptor , atsc_ac3_audio_descriptor ,
  atsc_caption_service_descriptor , atsc_content_advisory_descriptor , atsc_extended_channel_descriptor , atsc_service_location_descriptor ,
  atsc_time_shifted_service_descriptor , atsc_component_name_descriptor , atsc_DCC_departing_request_descriptor , atsc_DCC_arriving_request_descriptor ,
  atsc_redistribution_control_descriptor , atsc_ATSC_private_information_descriptor , atsc_genre_descriptor
}
 

Functions

uint32_t dvb_bcd (uint32_t bcd)
 Converts from BCD to CPU integer internal representation.
 
void dvb_hexdump (struct dvb_v5_fe_parms *parms, const char *prefix, const unsigned char *buf, int len)
 dumps data into the logs in hexadecimal format
 
int dvb_desc_parse (struct dvb_v5_fe_parms *parms, const uint8_t *buf, uint16_t buflen, struct dvb_desc **head_desc)
 parse MPEG-TS descriptors
 
void dvb_desc_free (struct dvb_desc **list)
 frees a dvb_desc linked list
 
void dvb_desc_print (struct dvb_v5_fe_parms *parms, struct dvb_desc *desc)
 prints the contents of a struct dvb_desc linked list
 

Variables

const dvb_table_init_func dvb_table_initializers [256]
 Table with all possible descriptors.
 
const struct dvb_descriptor dvb_descriptors []
 Contains the parsers for the several descriptors.
 

Detailed Description

Provides a way to handle MPEG-TS descriptors found on Digital TV streams.

Copyright
GNU Lesser General Public License version 2.1 (LGPLv2.1)
Author
Mauro Carvalho Chehab
Andre Roth
Relevant specs
The descriptors herein are defined on the following specs:
Bug Report
Please submit bug reports and patches to linux.nosp@m.-med.nosp@m.ia@vg.nosp@m.er.k.nosp@m.ernel.nosp@m..org

Definition in file descriptors.h.

Macro Definition Documentation

◆ TS_Information_descriptior

#define TS_Information_descriptior

Definition at line 776 of file descriptors.h.

Enumeration Type Documentation

◆ descriptors

enum descriptors
Enumerator
video_stream_descriptor 

video_stream descriptor - ISO/IEC 13818-1

audio_stream_descriptor 

audio_stream descriptor - ISO/IEC 13818-1

hierarchy_descriptor 

hierarchy descriptor - ISO/IEC 13818-1

registration_descriptor 

registration descriptor - ISO/IEC 13818-1

ds_alignment_descriptor 

ds_alignment descriptor - ISO/IEC 13818-1

target_background_grid_descriptor 

target_background_grid descriptor - ISO/IEC 13818-1

video_window_descriptor 

video_window descriptor - ISO/IEC 13818-1

conditional_access_descriptor 

conditional_access descriptor - ISO/IEC 13818-1

iso639_language_descriptor 

iso639_language descriptor - ISO/IEC 13818-1

system_clock_descriptor 

system_clock descriptor - ISO/IEC 13818-1

multiplex_buffer_utilization_descriptor 

multiplex_buffer_utilization descriptor - ISO/IEC 13818-1

copyright_descriptor 

copyright descriptor - ISO/IEC 13818-1

maximum_bitrate_descriptor 

maximum_bitrate descriptor - ISO/IEC 13818-1

private_data_indicator_descriptor 

private_data_indicator descriptor - ISO/IEC 13818-1

smoothing_buffer_descriptor 

smoothing_buffer descriptor - ISO/IEC 13818-1

std_descriptor 

std descriptor - ISO/IEC 13818-1

ibp_descriptor 

ibp descriptor - ISO/IEC 13818-1

mpeg4_video_descriptor 

mpeg4_video descriptor - ISO/IEC 13818-1

mpeg4_audio_descriptor 

mpeg4_audio descriptor - ISO/IEC 13818-1

iod_descriptor 

iod descriptor - ISO/IEC 13818-1

sl_descriptor 

sl descriptor - ISO/IEC 13818-1

fmc_descriptor 

fmc descriptor - ISO/IEC 13818-1

external_es_id_descriptor 

external_es_id descriptor - ISO/IEC 13818-1

muxcode_descriptor 

muxcode descriptor - ISO/IEC 13818-1

fmxbuffersize_descriptor 

fmxbuffersize descriptor - ISO/IEC 13818-1

multiplexbuffer_descriptor 

multiplexbuffer descriptor - ISO/IEC 13818-1

content_labeling_descriptor 

content_labeling descriptor - ISO/IEC 13818-1

metadata_pointer_descriptor 

metadata_pointer descriptor - ISO/IEC 13818-1

metadata_descriptor 

metadata descriptor - ISO/IEC 13818-1

metadata_std_descriptor 

metadata_std descriptor - ISO/IEC 13818-1

AVC_video_descriptor 

AVC_video descriptor - ISO/IEC 13818-1.

ipmp_descriptor 

ipmp descriptor - ISO/IEC 13818-1

AVC_timing_and_HRD_descriptor 

AVC_timing_and_HRD descriptor - ISO/IEC 13818-1.

mpeg2_aac_audio_descriptor 

mpeg2_aac_audio descriptor - ISO/IEC 13818-1

flexmux_timing_descriptor 

flexmux_timing descriptor - ISO/IEC 13818-1

network_name_descriptor 

network_name descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

service_list_descriptor 

service_list descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

stuffing_descriptor 

stuffing descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

satellite_delivery_system_descriptor 

satellite_delivery_system descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

cable_delivery_system_descriptor 

cable_delivery_system descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

VBI_data_descriptor 

VBI_data descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

VBI_teletext_descriptor 

VBI_teletext descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

bouquet_name_descriptor 

bouquet_name descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

service_descriptor 

service descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

country_availability_descriptor 

country_availability descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

linkage_descriptor 

linkage descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

NVOD_reference_descriptor 

NVOD_reference descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

time_shifted_service_descriptor 

time_shifted_service descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

short_event_descriptor 

short_event descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

extended_event_descriptor 

extended_event descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

time_shifted_event_descriptor 

time_shifted_event descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

component_descriptor 

component descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

mosaic_descriptor 

mosaic descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

stream_identifier_descriptor 

stream_identifier descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

CA_identifier_descriptor 

CA_identifier descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

content_descriptor 

content descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

parental_rating_descriptor 

parental_rating descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

teletext_descriptor 

teletext descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

telephone_descriptor 

telephone descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

local_time_offset_descriptor 

local_time_offset descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

subtitling_descriptor 

subtitling descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

terrestrial_delivery_system_descriptor 

terrestrial_delivery_system descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

multilingual_network_name_descriptor 

multilingual_network_name descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

multilingual_bouquet_name_descriptor 

multilingual_bouquet_name descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

multilingual_service_name_descriptor 

multilingual_service_name descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

multilingual_component_descriptor 

multilingual_component descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

private_data_specifier_descriptor 

private_data_specifier descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

service_move_descriptor 

service_move descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

short_smoothing_buffer_descriptor 

short_smoothing_buffer descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

frequency_list_descriptor 

frequency_list descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

partial_transport_stream_descriptor 

partial_transport_stream descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

data_broadcast_descriptor 

data_broadcast descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

scrambling_descriptor 

scrambling descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

data_broadcast_id_descriptor 

data_broadcast_id descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

transport_stream_descriptor 

transport_stream descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

DSNG_descriptor 

DSNG descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

PDC_descriptor 

PDC descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

AC_3_descriptor 

AC_3 descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

ancillary_data_descriptor 

ancillary_data descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

cell_list_descriptor 

cell_list descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

cell_frequency_link_descriptor 

cell_frequency_link descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

announcement_support_descriptor 

announcement_support descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

application_signalling_descriptor 

application_signalling descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

adaptation_field_data_descriptor 

adaptation_field_data descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

service_identifier_descriptor 

service_identifier descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

service_availability_descriptor 

service_availability descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

default_authority_descriptor 

default_authority descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

related_content_descriptor 

related_content descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

TVA_id_descriptor 

TVA_id descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

content_identifier_descriptor 

content_identifier descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

time_slice_fec_identifier_descriptor 

time_slice_fec_identifier descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

ECM_repetition_rate_descriptor 

ECM_repetition_rate descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

S2_satellite_delivery_system_descriptor 

S2_satellite_delivery_system descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

enhanced_AC_3_descriptor 

enhanced_AC_3 descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

DTS_descriptor 

DTS descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

AAC_descriptor 

AAC descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

XAIT_location_descriptor 

XAIT_location descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

FTA_content_management_descriptor 

FTA_content_management descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

extension_descriptor 

extension descriptor - ETSI EN 300 468 V1.11.1 (2010-04)

CUE_identifier_descriptor 

CUE_identifier descriptor - SCTE 35 2004.

extended_channel_name 

extended_channel_name descriptor - SCTE 35 2004

service_location 

service_location descriptor - SCTE 35 2004

component_name_descriptor 

component_name descriptor - SCTE 35 2004

See also
http://www.etherguidesystems.com/Help/SDOs/ATSC/Semantics/Descriptors/Default.aspx
logical_channel_number_descriptor 

logical_channel_number descriptor - SCTE 35 2004

See also
http://www.coolstf.com/tsreader/descriptors.html
carousel_id_descriptor 

carousel_id descriptor - ABNT NBR 15603-1 2007

association_tag_descriptor 

association_tag descriptor - ABNT NBR 15603-1 2007

deferred_association_tags_descriptor 

deferred_association_tags descriptor - ABNT NBR 15603-1 2007

hierarchical_transmission_descriptor 

hierarchical_transmission descriptor - ABNT NBR 15603-1 2007

digital_copy_control_descriptor 

digital_copy_control descriptor - ABNT NBR 15603-1 2007

network_identifier_descriptor 

network_identifier descriptor - ABNT NBR 15603-1 2007

partial_transport_stream_time_descriptor 

partial_transport_stream_time descriptor - ABNT NBR 15603-1 2007

audio_component_descriptor 

audio_component descriptor - ABNT NBR 15603-1 2007

hyperlink_descriptor 

hyperlink descriptor - ABNT NBR 15603-1 2007

target_area_descriptor 

target_area descriptor - ABNT NBR 15603-1 2007

data_contents_descriptor 

data_contents descriptor - ABNT NBR 15603-1 2007

video_decode_control_descriptor 

video_decode_control descriptor - ABNT NBR 15603-1 2007

download_content_descriptor 

download_content descriptor - ABNT NBR 15603-1 2007

CA_EMM_TS_descriptor 

CA_EMM_TS descriptor - ABNT NBR 15603-1 2007.

CA_contract_information_descriptor 

CA_contract_information descriptor - ABNT NBR 15603-1 2007.

CA_service_descriptor 

CA_service descriptor - ABNT NBR 15603-1 2007.

TS_Information_descriptor 

transport_stream_information descriptor - ABNT NBR 15603-1 2007

extended_broadcaster_descriptor 

extended_broadcaster descriptor - ABNT NBR 15603-1 2007

logo_transmission_descriptor 

logo_transmission descriptor - ABNT NBR 15603-1 2007

basic_local_event_descriptor 

basic_local_event descriptor - ABNT NBR 15603-1 2007

reference_descriptor 

reference descriptor - ABNT NBR 15603-1 2007

node_relation_descriptor 

node_relation descriptor - ABNT NBR 15603-1 2007

short_node_information_descriptor 

short_node_information descriptor - ABNT NBR 15603-1 2007

STC_reference_descriptor 

STC_reference descriptor - ABNT NBR 15603-1 2007.

series_descriptor 

series descriptor - ABNT NBR 15603-1 2007

event_group_descriptor 

event_group descriptor - ABNT NBR 15603-1 2007

SI_parameter_descriptor 

SI_parameter descriptor - ABNT NBR 15603-1 2007.

broadcaster_Name_Descriptor 

broadcaster_Name descriptor - ABNT NBR 15603-1 2007

component_group_descriptor 

component_group descriptor - ABNT NBR 15603-1 2007

SI_prime_TS_descriptor 

SI_prime_transport_stream descriptor - ABNT NBR 15603-1 2007.

board_information_descriptor 

board_information descriptor - ABNT NBR 15603-1 2007

LDT_linkage_descriptor 

LDT_linkage descriptor - ABNT NBR 15603-1 2007.

connected_transmission_descriptor 

connected_transmission descriptor - ABNT NBR 15603-1 2007

content_availability_descriptor 

content_availability descriptor - ABNT NBR 15603-1 2007

service_group_descriptor 

service_group descriptor - ABNT NBR 15603-1 2007

carousel_compatible_composite_descriptor 

carousel_compatible_composite descriptor - ABNT NBR 15603-1 2007

conditional_playback_descriptor 

conditional_playback descriptor - ABNT NBR 15603-1 2007

ISDBT_delivery_system_descriptor 

ISDBT terrestrial_delivery_system descriptor - ABNT NBR 15603-1 2007.

partial_reception_descriptor 

partial_reception descriptor - ABNT NBR 15603-1 2007

emergency_information_descriptor 

emergency_information descriptor - ABNT NBR 15603-1 2007

data_component_descriptor 

data_component descriptor - ABNT NBR 15603-1 2007

system_management_descriptor 

system_management descriptor - ABNT NBR 15603-1 2007

atsc_stuffing_descriptor 

atsc_stuffing descriptor - ATSC A/65:2009

atsc_ac3_audio_descriptor 

atsc_ac3_audio descriptor - ATSC A/65:2009

atsc_caption_service_descriptor 

atsc_caption_service descriptor - ATSC A/65:2009

atsc_content_advisory_descriptor 

atsc_content_advisory descriptor - ATSC A/65:2009

atsc_extended_channel_descriptor 

atsc_extended_channel descriptor - ATSC A/65:2009

atsc_service_location_descriptor 

atsc_service_location descriptor - ATSC A/65:2009

atsc_time_shifted_service_descriptor 

atsc_time_shifted_service descriptor - ATSC A/65:2009

atsc_component_name_descriptor 

atsc_component_name descriptor - ATSC A/65:2009

atsc_DCC_departing_request_descriptor 

atsc_DCC_departing_request descriptor - ATSC A/65:2009

atsc_DCC_arriving_request_descriptor 

atsc_DCC_arriving_request descriptor - ATSC A/65:2009

atsc_redistribution_control_descriptor 

atsc_redistribution_control descriptor - ATSC A/65:2009

atsc_ATSC_private_information_descriptor 

atsc_ATSC_private_information descriptor - ATSC A/65:2009

atsc_genre_descriptor 

atsc_genre descriptor - ATSC A/65:2009

Definition at line 592 of file descriptors.h.