libdvbv5 1.22.1
Library to work with Digital TV devices on Linux
Data Structures | Macros | Typedefs | Enumerations | Functions | Variables
descriptors.h File Reference

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

#include <unistd.h>
#include <stdint.h>
#include <arpa/inet.h>
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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. More...
 
#define DVB_CRC_SIZE
 number of bytes for the descriptor's CRC check More...
 
#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. More...
 
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. More...
 
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. More...
 
typedef void(* dvb_desc_free_func) (struct dvb_desc *desc)
 Function prototype for the descriptors memory free code. More...
 

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
}
 List containing all descriptors used by Digital TV MPEG-TS. More...
 

Functions

uint32_t dvb_bcd (uint32_t bcd)
 Converts from BCD to CPU integer internal representation. More...
 
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 More...
 
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 More...
 
void dvb_desc_free (struct dvb_desc **list)
 frees a dvb_desc linked list More...
 
void dvb_desc_print (struct dvb_v5_fe_parms *parms, struct dvb_desc *desc)
 prints the contents of a struct dvb_desc linked list More...
 

Variables

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

Detailed Description

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

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.