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vdr/libdtv/libsi/include/si_tables.h
Klaus Schmidinger 716d3d07b4 Now using 'libdtv' for getting EIT information
2001-08-15 13:56:11 +02:00

1206 lines
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//////////////////////////////////////////////////////////////
/// ///
/// si_tables.h: definitions for data structures of the ///
/// incoming SI data stream ///
/// ///
//////////////////////////////////////////////////////////////
// $Revision: 1.2 $
// $Date: 2001/08/15 10:00:00 $
// $Author: hakenes $
//
// (C) 2001 Rolf Hakenes <hakenes@hippomi.de>, under the GNU GPL.
//
// libsi 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 2, or (at your option)
// any later version.
//
// libsi 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 may have received a copy of the GNU General Public License
// along with libsi; see the file COPYING. If not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
#ifndef SI_TABLES_H
#define SI_TABLES_H
#define HILO(x) (x##_hi << 8 | x##_lo)
#define MjdToEpochTime(x) (((x##_hi << 8 | x##_lo)-40587)*86400)
#define BcdTimeToSeconds(x) ((3600 * ((10*((x##_h & 0xF0)>>4)) + (x##_h & 0xF))) + \
(60 * ((10*((x##_m & 0xF0)>>4)) + (x##_m & 0xF))) + \
((10*((x##_s & 0xF0)>>4)) + (x##_s & 0xF)))
#define TableHasMoreSections(x) (((pat_t *)(x))->last_section_number > ((pat_t *)(x))->section_number)
#define GetTableId(x) ((pat_t *)(x))->table_id
#define GetSectionNumber(x) ((pat_t *)(x))->section_number
#define GetLastSectionNumber(x) ((pat_t *)(x))->last_section_number
#define GetServiceId(x) (((eit_t *)(x))->service_id_hi << 8) | ((eit_t *)(x))->service_id_lo
/*
*
* ETSI ISO/IEC 13818-1 specifies SI which is referred to as PSI. The PSI
* data provides information to enable automatic configuration of the
* receiver to demultiplex and decode the various streams of programs
* within the multiplex. The PSI data is structured as four types of table.
* The tables are transmitted in sections.
*
* 1) Program Association Table (PAT):
*
* - for each service in the multiplex, the PAT indicates the location
* (the Packet Identifier (PID) values of the Transport Stream (TS)
* packets) of the corresponding Program Map Table (PMT).
* It also gives the location of the Network Information Table (NIT).
*
*/
#define PAT_LEN 8
typedef struct {
u_char table_id :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char section_syntax_indicator :1;
u_char dummy :1; // has to be 0
u_char :2;
u_char section_length_hi :4;
#else
u_char section_length_hi :4;
u_char :2;
u_char dummy :1; // has to be 0
u_char section_syntax_indicator :1;
#endif
u_char section_length_lo :8;
u_char transport_stream_id_hi :8;
u_char transport_stream_id_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :2;
u_char version_number :5;
u_char current_next_indicator :1;
#else
u_char current_next_indicator :1;
u_char version_number :5;
u_char :2;
#endif
u_char section_number :8;
u_char last_section_number :8;
} pat_t;
#define PAT_PROG_LEN 4
typedef struct {
u_char program_number_hi :8;
u_char program_number_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :3;
u_char network_pid_hi :5;
#else
u_char network_pid_hi :5;
u_char :3;
#endif
u_char network_pid_lo :8;
/* or program_map_pid (if prog_num=0)*/
} pat_prog_t;
/*
*
* 2) Conditional Access Table (CAT):
*
* - the CAT provides information on the CA systems used in the
* multiplex; the information is private and dependent on the CA
* system, but includes the location of the EMM stream, when
* applicable.
*
*/
/* TO BE DONE */
/*
*
* 3) Program Map Table (PMT):
*
* - the PMT identifies and indicates the locations of the streams that
* make up each service, and the location of the Program Clock
* Reference fields for a service.
*
*/
#define PMT_LEN 12
typedef struct {
u_char table_id :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char section_syntax_indicator :1;
u_char dummy :1; // has to be 0
u_char :2;
u_char section_length_hi :4;
#else
u_char section_length_hi :4;
u_char :2;
u_char dummy :1; // has to be 0
u_char section_syntax_indicator :1;
#endif
u_char section_length_lo :8;
u_char program_number_hi :8;
u_char program_number_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :2;
u_char version_number :5;
u_char current_next_indicator :1;
#else
u_char current_next_indicator :1;
u_char version_number :5;
u_char :2;
#endif
u_char section_number :8;
u_char last_section_number :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :3;
u_char PCR_PID_hi :5;
#else
u_char PCR_PID_hi :5;
u_char :3;
#endif
u_char PCR_PID_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :4;
u_char program_info_length_hi :4;
#else
u_char program_info_length_hi :4;
u_char :4;
#endif
u_char program_info_length_lo :8;
//descriptors
} pmt_t;
#define PMT_INFO_LEN 5
typedef struct {
u_char stream_type :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :3;
u_char elementary_PID_hi :5;
#else
u_char elementary_PID_hi :5;
u_char :3;
#endif
u_char elementary_PID_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :4;
u_char ES_info_length_hi :4;
#else
u_char ES_info_length_hi :4;
u_char :4;
#endif
u_char ES_info_length_lo :8;
// descriptors
} pmt_info_t;
/*
*
* 4) Network Information Table (NIT):
*
* - the NIT is intended to provide information about the physical
* network. The syntax and semantics of the NIT are defined in
* ETSI EN 300 468.
*
*/
#define NIT_LEN 10
typedef struct {
u_char table_id :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char section_syntax_indicator :1;
u_char :3;
u_char section_length_hi :4;
#else
u_char section_length_hi :4;
u_char :3;
u_char section_syntax_indicator :1;
#endif
u_char section_length_lo :8;
u_char network_id_hi :8;
u_char network_id_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :2;
u_char version_number :5;
u_char current_next_indicator :1;
#else
u_char current_next_indicator :1;
u_char version_number :5;
u_char :2;
#endif
u_char section_number :8;
u_char last_section_number :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :4;
u_char network_descriptor_length_hi :4;
#else
u_char network_descriptor_length_hi :4;
u_char :4;
#endif
u_char network_descriptor_length_lo :8;
/* descriptors */
} nit_t;
#define SIZE_NIT_MID 2
typedef struct { // after descriptors
#if BYTE_ORDER == BIG_ENDIAN
u_char :4;
u_char transport_stream_loop_length_hi :4;
#else
u_char transport_stream_loop_length_hi :4;
u_char :4;
#endif
u_char transport_stream_loop_length_lo :8;
} nit_mid_t;
#define SIZE_NIT_END 4
struct nit_end_struct {
long CRC;
};
#define NIT_TS_LEN 6
typedef struct {
u_char transport_stream_id_hi :8;
u_char transport_stream_id_lo :8;
u_char original_network_id_hi :8;
u_char original_network_id_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :4;
u_char transport_descriptors_length_hi :4;
#else
u_char transport_descriptors_length_hi :4;
u_char :4;
#endif
u_char transport_descriptors_length_lo :8;
/* descriptors */
} nit_ts_t;
/*
*
* In addition to the PSI, data is needed to provide identification of
* services and events for the user. In contrast with the PAT, CAT, and
* PMT of the PSI, which give information only for the multiplex in which
* they are contained (the actual multiplex), the additional information
* defined within the present document can also provide information on
* services and events carried by different multiplexes, and even on other
* networks. This data is structured as nine tables:
*
* 1) Bouquet Association Table (BAT):
*
* - the BAT provides information regarding bouquets. As well as giving
* the name of the bouquet, it provides a list of services for each
* bouquet.
*
*/
/* TO BE DONE */
/*
*
* 2) Service Description Table (SDT):
*
* - the SDT contains data describing the services in the system e.g.
* names of services, the service provider, etc.
*
*/
#define SDT_LEN 11
typedef struct {
u_char table_id :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char section_syntax_indicator :1;
u_char :3;
u_char section_length_hi :4;
#else
u_char section_length_hi :4;
u_char :3;
u_char section_syntax_indicator :1;
#endif
u_char section_length_lo :8;
u_char transport_stream_id_hi :8;
u_char transport_stream_id_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :2;
u_char version_number :5;
u_char current_next_indicator :1;
#else
u_char current_next_indicator :1;
u_char version_number :5;
u_char :2;
#endif
u_char section_number :8;
u_char last_section_number :8;
u_char original_network_id_hi :8;
u_char original_network_id_lo :8;
u_char :8;
} sdt_t;
#define SDT_DESCR_LEN 5
typedef struct {
u_char service_id_hi :8;
u_char service_id_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :6;
u_char eit_schedule_flag :1;
u_char eit_present_following_flag :1;
u_char running_status :3;
u_char free_ca_mode :1;
u_char descriptors_loop_length_hi :4;
#else
u_char eit_present_following_flag :1;
u_char eit_schedule_flag :1;
u_char :6;
u_char descriptors_loop_length_hi :4;
u_char free_ca_mode :1;
u_char running_status :3;
#endif
u_char descriptors_loop_length_lo :8;
} sdt_descr_t;
/*
*
* 3) Event Information Table (EIT):
*
* - the EIT contains data concerning events or programmes such as event
* name, start time, duration, etc.; - the use of different descriptors
* allows the transmission of different kinds of event information e.g.
* for different service types.
*
*/
#define EIT_LEN 14
typedef struct {
u_char table_id :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char section_syntax_indicator :1;
u_char :3;
u_char section_length_hi :4;
#else
u_char section_length_hi :4;
u_char :3;
u_char section_syntax_indicator :1;
#endif
u_char section_length_lo :8;
u_char service_id_hi :8;
u_char service_id_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :2;
u_char version_number :5;
u_char current_next_indicator :1;
#else
u_char current_next_indicator :1;
u_char version_number :5;
u_char :2;
#endif
u_char section_number :8;
u_char last_section_number :8;
u_char transport_stream_id_hi :8;
u_char transport_stream_id_lo :8;
u_char original_network_id_hi :8;
u_char original_network_id_lo :8;
u_char segment_last_section_number :8;
u_char segment_last_table_id :8;
} eit_t;
#define EIT_EVENT_LEN 12
typedef struct {
u_char event_id_hi :8;
u_char event_id_lo :8;
u_char mjd_hi :8;
u_char mjd_lo :8;
u_char start_time_h :8;
u_char start_time_m :8;
u_char start_time_s :8;
u_char duration_h :8;
u_char duration_m :8;
u_char duration_s :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char running_status :3;
u_char free_ca_mode :1;
u_char descriptors_loop_length_hi :4;
#else
u_char descriptors_loop_length_hi :4;
u_char free_ca_mode :1;
u_char running_status :3;
#endif
u_char descriptors_loop_length_lo :8;
} eit_event_t;
/*
*
* 4) Running Status Table (RST):
*
* - the RST gives the status of an event (running/not running). The RST
* updates this information and allows timely automatic switching to
* events.
*
*/
/* TO BE DONE */
/*
*
* 5) Time and Date Table (TDT):
*
* - the TDT gives information relating to the present time and date.
* This information is given in a separate table due to the frequent
* updating of this information.
*
*/
#define TDT_LEN 8
typedef struct {
u_char table_id :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char section_syntax_indicator :1;
u_char :3;
u_char section_length_hi :4;
#else
u_char section_length_hi :4;
u_char :3;
u_char section_syntax_indicator :1;
#endif
u_char section_length_lo :8;
u_char utc_mjd_hi :8;
u_char utc_mjd_lo :8;
u_char utc_time_h :8;
u_char utc_time_m :8;
u_char utc_time_s :8;
} tdt_t;
/*
*
* 6) Time Offset Table (TOT):
*
* - the TOT gives information relating to the present time and date and
* local time offset. This information is given in a separate table due
* to the frequent updating of the time information.
*
*/
/* TO BE DONE */
/*
*
* 7) Stuffing Table (ST):
*
* - the ST is used to invalidate existing sections, for example at
* delivery system boundaries.
*
*/
/* TO BE DONE */
/*
*
* 8) Selection Information Table (SIT):
*
* - the SIT is used only in "partial" (i.e. recorded) bitstreams. It
* carries a summary of the SI information required to describe the
* streams in the partial bitstream.
*
*/
/* TO BE DONE */
/*
*
* 9) Discontinuity Information Table (DIT):
*
* - the DIT is used only in "partial" (i.e. recorded) bitstreams.
* It is inserted where the SI information in the partial bitstream may
* be discontinuous. Where applicable the use of descriptors allows a
* flexible approach to the organization of the tables and allows for
* future compatible extensions.
*
*/
/* TO BE DONE */
/*
*
* The following describes the different descriptors that can be used within
* the SI.
*
* The following semantics apply to all the descriptors defined in this
* subclause:
*
* descriptor_tag: The descriptor tag is an 8-bit field which identifies
* each descriptor. Those values with MPEG-2 normative
* meaning are described in ISO/IEC 13818-1. The values of
* descriptor_tag are defined in 'libsi.h'
* descriptor_length: The descriptor length is an 8-bit field specifying the
* total number of bytes of the data portion of the
* descriptor following the byte defining the value of
* this field.
*
*/
#define DESCR_GEN_LEN 2
typedef struct descr_gen_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
} descr_gen_t;
#define CastGenericDescriptor(x) ((descr_gen_t *)(x))
#define GetDescriptorTag(x) (((descr_gen_t *) x)->descriptor_tag)
#define GetDescriptorLength(x) (((descr_gen_t *) x)->descriptor_length+DESCR_GEN_LEN)
/* 0x0A iso_639_language_descriptor */
#define DESCR_ISO_639_LANGUAGE_LEN 5
typedef struct descr_iso_639_language_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char lang_code1 :8;
u_char lang_code2 :8;
u_char lang_code3 :8;
} descr_iso_639_language_t;
#define CastIso639LanguageDescriptor(x) ((descr_iso_639_language_t *)(x))
/* 0x40 network_name_descriptor */
#define DESCR_NETWORK_NAME_LEN XX
typedef struct descr_network_name_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_network_name_t;
#define CastNetworkNameDescriptor(x) ((descr_network_name_t *)(x))
/* 0x41 service_list_descriptor */
#define DESCR_SERVICE_LIST_LEN XX
typedef struct descr_service_list_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_service_list_t;
#define CastServiceListDescriptor(x) ((descr_service_list_t *)(x))
/* 0x42 stuffing_descriptor */
#define DESCR_STUFFING_LEN XX
typedef struct descr_stuffing_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_stuffing_t;
#define CastStuffingDescriptor(x) ((descr_stuffing_t *)(x))
/* 0x43 satellite_delivery_system_descriptor */
#define DESCR_SATELLITE_DELIVERY_SYSTEM_LEN 13
typedef struct descr_satellite_delivery_system_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char frequency1 :8;
u_char frequency2 :8;
u_char frequency3 :8;
u_char frequency4 :8;
u_char orbital_position1 :8;
u_char orbital_position2 :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char modulation :5;
u_char polarization :2;
u_char west_east_flag :1;
#else
u_char west_east_flag :1;
u_char polarization :2;
u_char modulation :5;
#endif
u_char symbol_rate1 :8;
u_char symbol_rate2 :8;
u_char symbol_rate3 :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char symbol_rate4 :4;
u_char fec_inner :4;
#else
u_char fec_inner :4;
u_char symbol_rate4 :4;
#endif
} descr_satellite_delivery_system_t;
#define CastSatelliteDeliverySystemDescriptor(x) ((descr_satellite_delivery_system_t *)(x))
/* 0x44 cable_delivery_system_descriptor */
#define DESCR_CABLE_DELIVERY_SYSTEM_LEN 13
typedef struct descr_cable_delivery_system_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char frequency1 :8;
u_char frequency2 :8;
u_char frequency3 :8;
u_char frequency4 :8;
u_char reserved1 :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char reserved2 :4;
u_char fec_outer :4;
#else
u_char fec_outer :4;
u_char reserved2 :4;
#endif
u_char modulation :8;
u_char symbol_rate1 :8;
u_char symbol_rate2 :8;
u_char symbol_rate3 :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char symbol_rate4 :4;
u_char fec_inner :4;
#else
u_char fec_inner :4;
u_char symbol_rate4 :4;
#endif
} descr_cable_delivery_system_t;
#define CastCableDeliverySystemDescriptor(x) ((descr_cable_delivery_system_t *)(x))
/* 0x45 vbi_data_descriptor */
#define DESCR_VBI_DATA_LEN XX
typedef struct descr_vbi_data_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_vbi_data_t;
#define CastVbiDataDescriptor(x) ((descr_vbi_data_t *)(x))
/* 0x46 vbi_teletext_descriptor */
#define DESCR_VBI_TELETEXT_LEN XX
typedef struct descr_vbi_teletext_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_vbi_teletext_t;
#define CastVbiDescriptor(x) ((descr_vbi_teletext_t *)(x))
/* 0x47 bouquet_name_descriptor */
#define DESCR_BOUQUET_NAME_LEN 2
typedef struct descr_bouquet_name_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
} descr_bouquet_name_t;
#define CastBouquetNameDescriptor(x) ((descr_bouquet_name_t *)(x))
/* 0x48 service_descriptor */
#define DESCR_SERVICE_LEN 4
typedef struct descr_service_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char service_type :8;
u_char provider_name_length :8;
} descr_service_t;
#define CastServiceDescriptor(x) ((descr_service_t *)(x))
/* 0x49 country_availability_descriptor */
#define DESCR_COUNTRY_AVAILABILITY_LEN 3
typedef struct descr_country_availability_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char country_availability_flag :1;
u_char reserved :7;
#else
u_char reserved :7;
u_char country_availability_flag :1;
#endif
} descr_country_availability_t;
#define CastCountryAvailabilityDescriptor(x) ((descr_country_availability_t *)(x))
/* 0x4A linkage_descriptor */
#define DESCR_LINKAGE_LEN 9
typedef struct descr_linkage_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char transport_stream_id_hi :8;
u_char transport_stream_id_lo :8;
u_char original_network_id_hi :8;
u_char original_network_id_lo :8;
u_char service_id_hi :8;
u_char service_id_lo :8;
u_char linkage_type :8;
} descr_linkage_t;
#define CastLinkageDescriptor(x) ((descr_linkage_t *)(x))
/* 0x4B nvod_reference_descriptor */
#define DESCR_NVOD_REFERENCE_LEN 2
typedef struct descr_nvod_reference_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
} descr_nvod_reference_t;
#define CastNvodReferenceDescriptor(x) ((descr_nvod_reference_t *)(x))
#define ITEM_NVOD_REFERENCE_LEN 6
typedef struct item_nvod_reference_struct {
u_char transport_stream_id_hi :8;
u_char transport_stream_id_lo :8;
u_char original_network_id_hi :8;
u_char original_network_id_lo :8;
u_char service_id_hi :8;
u_char service_id_lo :8;
} item_nvod_reference_t;
#define CastNvodReferenceItem(x) ((item_nvod_reference_t *)(x))
/* 0x4C time_shifted_service_descriptor */
#define DESCR_TIME_SHIFTED_SERVICE_LEN 4
typedef struct descr_time_shifted_service_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char reference_service_id_hi :8;
u_char reference_service_id_lo :8;
} descr_time_shifted_service_t;
#define CastTimeShiftedServiceDescriptor(x) ((descr_time_shifted_service_t *)(x))
/* 0x4D short_event_descriptor */
#define DESCR_SHORT_EVENT_LEN 6
typedef struct descr_short_event_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char lang_code1 :8;
u_char lang_code2 :8;
u_char lang_code3 :8;
u_char event_name_length :8;
} descr_short_event_t;
#define CastShortEventDescriptor(x) ((descr_short_event_t *)(x))
/* 0x4E extended_event_descriptor */
#define DESCR_EXTENDED_EVENT_LEN 7
typedef struct descr_extended_event_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
#if BYTE_ORDER == BIG_ENDIAN
u_char descriptor_number :4;
u_char last_descriptor_number :4;
#else
u_char last_descriptor_number :4;
u_char descriptor_number :4;
#endif
u_char lang_code1 :8;
u_char lang_code2 :8;
u_char lang_code3 :8;
u_char length_of_items :8;
} descr_extended_event_t;
#define CastExtendedEventDescriptor(x) ((descr_extended_event_t *)(x))
#define ITEM_EXTENDED_EVENT_LEN 1
typedef struct item_extended_event_struct {
u_char item_description_length :8;
} item_extended_event_t;
#define CastExtendedEventItem(x) ((item_extended_event_t *)(x))
/* 0x4F time_shifted_event_descriptor */
#define DESCR_TIME_SHIFTED_EVENT_LEN 6
typedef struct descr_time_shifted_event_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char reference_service_id_hi :8;
u_char reference_service_id_lo :8;
u_char reference_event_id_hi :8;
u_char reference_event_id_lo :8;
} descr_time_shifted_event_t;
#define CastTimeShiftedEventDescriptor(x) ((descr_time_shifted_event_t *)(x))
/* 0x50 component_descriptor */
#define DESCR_COMPONENT_LEN 8
typedef struct descr_component_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char reserved :4;
u_char stream_content :4;
#else
u_char stream_content :4;
u_char reserved :4;
#endif
u_char component_type :8;
u_char component_tag :8;
u_char lang_code1 :8;
u_char lang_code2 :8;
u_char lang_code3 :8;
} descr_component_t;
#define CastComponentDescriptor(x) ((descr_component_t *)(x))
/* 0x51 mosaic_descriptor */
#define DESCR_MOSAIC_LEN XX
typedef struct descr_mosaic_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_mosaic_t;
#define CastMosaicDescriptor(x) ((descr_mosaic_t *)(x))
/* 0x52 stream_identifier_descriptor */
#define DESCR_STREAM_IDENTIFIER_LEN 3
typedef struct descr_stream_identifier_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char component_tag :8;
} descr_stream_identifier_t;
#define CastStreamIdentifierDescriptor(x) ((descr_stream_identifier_t *)(x))
/* 0x53 ca_identifier_descriptor */
#define DESCR_CA_IDENTIFIER_LEN 2
typedef struct descr_ca_identifier_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
} descr_ca_identifier_t;
#define CastCaIdentifierDescriptor(x) ((descr_ca_identifier_t *)(x))
/* 0x54 content_descriptor */
#define DESCR_CONTENT_LEN 2
typedef struct descr_content_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
} descr_content_t;
#define CastContentDescriptor(x) ((descr_content_t *)(x))
typedef struct nibble_content_struct {
#if BYTE_ORDER == BIG_ENDIAN
u_char content_nibble_level_1 :4;
u_char content_nibble_level_2 :4;
u_char user_nibble_1 :4;
u_char user_nibble_2 :4;
#else
u_char user_nibble_2 :4;
u_char user_nibble_1 :4;
u_char content_nibble_level_2 :4;
u_char content_nibble_level_1 :4;
#endif
} nibble_content_t;
#define CastContentNibble(x) ((nibble_content_t *)(x))
/* 0x55 parental_rating_descriptor */
#define DESCR_PARENTAL_RATING_LEN 2
typedef struct descr_parental_rating_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
} descr_parental_rating_t;
#define CastParentalRatingDescriptor(x) ((descr_parental_rating_t *)(x))
#define PARENTAL_RATING_LEN 4
typedef struct parental_rating_struct {
u_char lang_code1 :8;
u_char lang_code2 :8;
u_char lang_code3 :8;
u_char rating :8;
} parental_rating_t;
#define CastParentalRating(x) ((parental_rating_t *)(x))
/* 0x56 teletext_descriptor */
#define DESCR_TELETEXT_LEN XX
typedef struct descr_teletext_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_teletext_t;
#define CastTeletextDescriptor(x) ((descr_teletext_t *)(x))
/* 0x57 telephone_descriptor */
#define DESCR_TELEPHONE_LEN XX
typedef struct descr_telephone_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_telephone_t;
#define CastTelephoneDescriptor(x) ((descr_telephone_t *)(x))
/* 0x58 local_time_offset_descriptor */
#define DESCR_LOCAL_TIME_OFFSET_LEN XX
typedef struct descr_local_time_offset_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_local_time_offset_t;
#define CastLocalTimeOffsetDescriptor(x) ((descr_local_time_offset_t *)(x))
/* 0x59 subtitling_descriptor */
#define DESCR_SUBTITLING_LEN XX
typedef struct descr_subtitling_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_subtitling_t;
#define CastSubtitlingDescriptor(x) ((descr_subtitling_t *)(x))
/* 0x5A terrestrial_delivery_system_descriptor */
#define DESCR_TERRESTRIAL_DELIVERY_SYSTEM_LEN XX
typedef struct descr_terrestrial_delivery_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_terrestrial_delivery_system_t;
#define CastTerrestrialDeliverySystemDescriptor(x) ((descr_terrestrial_delivery_system_t *)(x))
/* 0x5B multilingual_network_name_descriptor */
#define DESCR_MULTILINGUAL_NETWORK_NAME_LEN XX
typedef struct descr_multilingual_network_name_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_multilingual_network_name_t;
#define CastMultilingualNetworkNameDescriptor(x) ((descr_multilingual_network_name_t *)(x))
/* 0x5C multilingual_bouquet_name_descriptor */
#define DESCR_MULTILINGUAL_BOUQUET_NAME_LEN XX
typedef struct descr_multilingual_bouquet_name_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_multilingual_bouquet_name_t;
#define CastMultilingualBouquetNameDescriptor(x) ((descr_multilingual_bouquet_name_t *)(x))
/* 0x5D multilingual_service_name_descriptor */
#define DESCR_MULTILINGUAL_SERVICE_NAME_LEN XX
typedef struct descr_multilingual_service_name_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_multilingual_service_name_t;
#define CastMultilingualServiceNameDescriptor(x) ((descr_multilingual_service_name_t *)(x))
/* 0x5E multilingual_component_descriptor */
#define DESCR_MULTILINGUAL_COMPONENT_LEN XX
typedef struct descr_multilingual_component_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_multilingual_component_t;
#define CastMultilingualComponentDescriptor(x) ((descr_multilingual_component_t *)(x))
/* 0x5F private_data_specifier_descriptor */
#define DESCR_PRIVATE_DATA_SPECIFIER_LEN XX
typedef struct descr_private_data_specifier_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_private_data_specifier_t;
#define CastPrivateDataSpecifierDescriptor(x) ((descr_private_data_specifier_t *)(x))
/* 0x60 service_move_descriptor */
#define DESCR_SERVICE_MOVE_LEN XX
typedef struct descr_service_move_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_service_move_t;
#define CastServiceMoveDescriptor(x) ((descr_service_move_t *)(x))
/* 0x61 short_smoothing_buffer_descriptor */
#define DESCR_SHORT_SMOOTHING_BUFFER_LEN XX
typedef struct descr_short_smoothing_buffer_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_short_smoothing_buffer_t;
#define CastShortSmoothingBufferDescriptor(x) ((descr_short_smoothing_buffer_t *)(x))
/* 0x62 frequency_list_descriptor */
#define DESCR_FREQUENCY_LIST_LEN XX
typedef struct descr_frequency_list_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_frequency_list_t;
#define CastFrequencyListDescriptor(x) ((descr_frequency_list_t *)(x))
/* 0x63 partial_transport_stream_descriptor */
#define DESCR_PARTIAL_TRANSPORT_STREAM_LEN XX
typedef struct descr_partial_transport_stream_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_partial_transport_stream_t;
#define CastPartialDescriptor(x) ((descr_partial_transport_stream_t *)(x))
/* 0x64 data_broadcast_descriptor */
#define DESCR_DATA_BROADCAST_LEN XX
typedef struct descr_data_broadcast_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_data_broadcast_t;
#define CastDataBroadcastDescriptor(x) ((descr_data_broadcast_t *)(x))
/* 0x65 ca_system_descriptor */
#define DESCR_CA_SYSTEM_LEN XX
typedef struct descr_ca_system_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_ca_system_t;
#define CastCaSystemDescriptor(x) ((descr_ca_system_t *)(x))
/* 0x66 data_broadcast_id_descriptor */
#define DESCR_DATA_BROADCAST_ID_LEN XX
typedef struct descr_data_broadcast_id_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_data_broadcast_id_t;
#define CastDataBroadcastIdDescriptor(x) ((descr_data_broadcast_id_t *)(x))
/* 0x67 transport_stream_descriptor */
#define DESCR_TRANSPORT_STREAM_LEN XX
typedef struct descr_transport_stream_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_transport_stream_t;
#define CastTransportStreamDescriptor(x) ((descr_transport_stream_t *)(x))
/* 0x68 dsng_descriptor */
#define DESCR_DSNG_LEN XX
typedef struct descr_dsng_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_dsng_t;
#define CastDsngDescriptor(x) ((descr_dsng_t *)(x))
/* 0x69 pdc_descriptor */
#define DESCR_PDC_LEN XX
typedef struct descr_pdc_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_pdc_t;
#define CastPdcDescriptor(x) ((descr_pdc_t *)(x))
/* 0x6A ac3_descriptor */
#define DESCR_AC3_LEN XX
typedef struct descr_ac3_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_ac3_t;
#define CastAc3Descriptor(x) ((descr_ac3_t *)(x))
/* 0x6B ancillary_data_descriptor */
#define DESCR_ANCILLARY_DATA_LEN 3
typedef struct descr_ancillary_data_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char ancillary_data_identifier :8;
} descr_ancillary_data_t;
#define CastAncillaryDataDescriptor(x) ((descr_ancillary_data_t *)(x))
/* 0x6C cell_list_descriptor */
#define DESCR_CELL_LIST_LEN XX
typedef struct descr_cell_list_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_cell_list_t;
#define CastCellListDescriptor(x) ((descr_cell_list_t *)(x))
/* 0x6D cell_frequency_link_descriptor */
#define DESCR_CELL_FREQUENCY_LINK_LEN XX
typedef struct descr_cell_frequency_link_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_cell_frequency_link_t;
#define CastCellFrequencyLinkDescriptor(x) ((descr_cell_frequency_link_t *)(x))
/* 0x6E announcement_support_descriptor */
#define DESCR_ANNOUNCEMENT_SUPPORT_LEN XX
typedef struct descr_announcement_support_struct {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
} descr_announcement_support_t;
#define CastAnnouncementSupportDescriptor(x) ((descr_announcement_support_t *)(x))
#endif
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