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/*
* Simple MPEG/DVB parser to achieve network/service information without initial tuning data
*
* Copyright (C) 2006, 2007, 2008, 2009 Winfried Koehler
*
* This program 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
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
* The author can be reached at: handygewinnspiel AT gmx DOT de
*
* The project's page is http://wirbel.htpc-forum.de/w_scan/index2.html
*
* added 20090303 -wk-
*/
#ifndef __DESCRIPTORS_H__
#define __DESCRIPTORS_H__
#include "extended_frontend.h"
/******************************************************************************
* descriptor ids as defined by standards.
*
*****************************************************************************/
enum _descriptors {
MHP_application_descriptor = 0x00,
MHP_application_name_desriptor = 0x01,
MHP_transport_protocol_descriptor = 0x02,
dvb_j_application_descriptor = 0x03,
dvb_j_application_location_descriptor = 0x04,
atsc_ac3_registration_descriptor = 0x05, // see a_52b.pdf A3.3
ca_descriptor = 0x09,
iso_639_language_descriptor = 0x0A,
application_icons_descriptor = 0x0B,
carousel_identifier_descriptor = 0x13,
network_name_descriptor = 0x40,
service_list_descriptor = 0x41,
stuffing_descriptor = 0x42,
satellite_delivery_system_descriptor = 0x43,
cable_delivery_system_descriptor = 0x44,
vbi_data_descriptor = 0x45,
vbi_teletext_descriptor = 0x46,
bouquet_name_descriptor = 0x47,
service_descriptor = 0x48,
country_availability_descriptor = 0x49,
linkage_descriptor = 0x4A,
nvod_reference_descriptor = 0x4B,
time_shifted_service_descriptor = 0x4C,
short_event_descriptor = 0x4D,
extended_event_descriptor = 0x4E,
time_shifted_event_descriptor = 0x4F,
component_descriptor = 0x50,
mosaic_descriptor = 0x51,
stream_identifier_descriptor = 0x52,
ca_identifier_descriptor = 0x53,
content_descriptor = 0x54,
parental_rating_descriptor = 0x55,
teletext_descriptor = 0x56,
telephone_descriptor = 0x57,
local_time_offset_descriptor = 0x58,
subtitling_descriptor = 0x59,
terrestrial_delivery_system_descriptor = 0x5A,
multilingual_network_name_descriptor = 0x5B,
multilingual_bouquet_name_descriptor = 0x5C,
multilingual_service_name_descriptor = 0x5D,
multilingual_component_descriptor = 0x5E,
private_data_specifier_descriptor = 0x5F,
service_move_descriptor = 0x60,
short_smoothing_buffer_descriptor = 0x61,
frequency_list_descriptor = 0x62,
partial_transport_stream_descriptor = 0x63,
data_broadcast_descriptor = 0x64,
scrambling_descriptor = 0x65,
data_broadcast_id_descriptor = 0x66,
transport_stream_descriptor = 0x67,
dsng_descriptor = 0x68,
pdc_descriptor = 0x69,
ac3_descriptor = 0x6A, // a_52b.pdf 4.1, PES stream_id 0xBD (private_stream_1); descriptor ETSI TS 102366 chapter A3;
ancillary_data_descriptor = 0x6B,
cell_list_descriptor = 0x6C,
cell_frequency_link_descriptor = 0x6D,
announcement_support_descriptor = 0x6E,
application_signalling_descriptor = 0x6F,
service_identifier_descriptor = 0x71,
service_availability_descriptor = 0x72,
default_authority_descriptor = 0x73,
related_content_descriptor = 0x74,
tva_id_descriptor = 0x75,
content_identifier_descriptor = 0x76,
time_slice_fec_identifier_descriptor = 0x77,
ecm_repetition_rate_descriptor = 0x78,
s2_satellite_delivery_system_descriptor = 0x79,
enhanced_ac3_descriptor = 0x7A,
dts_descriptor = 0x7B,
aac_descriptor = 0x7C,
extension_descriptor = 0x7F,
atsc_ac3_audio_stream_descriptor = 0x81, // a_52b.pdf 3.2 PES stream_id 0xBD (private_stream_1); descriptor ETSI TS 102366 chapter A2;
logical_channel_descriptor = 0x83, // http://mumudvb.braice.net/mumudrupal/sites/default/files/Specifiche_LCN.pdf
preferred_name_list_descriptor = 0x84,
preferred_name_identifier_descriptor = 0x85,
EICTA_stream_identifier_descriptor = 0x86,
atsc_A_53B_enhanced_AC3_audio_stream = 0x87,
atsc_extended_channel_name_descriptor = 0xA0,
atsc_service_location_descriptor = 0xA1,
};
// 300468v011101p, 6.3 Extended descriptor identification and location
// NOTE: Only found in Partial Transport Streams.
enum _extended_descriptors {
image_icon_descriptor = 0x00,
cpcm_delivery_signalling_descriptor = 0x01,
CP_descriptor = 0x02,
CP_identifier_descriptor = 0x03,
T2_delivery_system_descriptor = 0x04,
SH_delivery_system_descriptor = 0x05,
supplementary_audio_descriptor = 0x06,
network_change_notify_descriptor = 0x07,
message_descriptor = 0x08,
target_region_descriptor = 0x09,
target_region_name_descriptor = 0x0A,
service_relocated_descriptor = 0x0B,
XAIT_PID_descriptor_descriptor = 0x0C,
C2_delivery_system_descriptor = 0x0D,
// reserved_for_future_use = 0x0E ... 0x0F,
video_depth_range_descriptor = 0x10,
T2MI_descriptor = 0x11,
// reserved_for_future_use = 0x12 ... 0x7F,
// user_defined = 0x80 ... 0xFF,
};
/******************************************************************************
* stream types as defined by standards.
*
*****************************************************************************/
enum _stream_type {
iso_iec_11172_video_stream = 0x01,
iso_iec_13818_1_11172_2_video_stream = 0x02,
iso_iec_11172_audio_stream = 0x03,
iso_iec_13818_3_audio_stream = 0x04,
iso_iec_13818_1_private_sections = 0x05,
iso_iec_13818_1_private_data = 0x06, // ac-3 @ dvb
iso_iec_13522_MHEG = 0x07,
iso_iec_13818_1_Annex_A_DSM_CC = 0x08,
iso_iec_13818_1_11172_1_auxiliary = 0x09,
iso_iec_13818_6_type_a_multiproto_encaps= 0x0A,
iso_iec_13818_6_type_b = 0x0B,
iso_iec_13818_6_type_c = 0x0C,
iso_iec_13818_6_type_d = 0x0D,
iso_iec_13818_1_auxiliary = 0x0E,
iso_iec_13818_7_audio_w_ADTS_transp = 0x0F,
iso_iec_14496_2_visual = 0x10,
iso_iec_14496_3_audio_w_LATM_transp = 0x11,
iso_iec_14496_1_packet_stream_in_PES = 0x12,
iso_iec_14496_1_packet_stream_in_14996 = 0x13,
iso_iec_13818_6_synced_download_protocol= 0x14,
metadata_in_PES = 0x15,
metadata_in_metadata_sections = 0x16,
metadata_in_iso_iec_13818_6_data_carous = 0x17,
metadata_in_iso_iec_13818_6_obj_carous = 0x18,
metadata_in_iso_iec_13818_6_synced_dl = 0x19,
iso_iec_13818_11_IPMP_stream = 0x1A,
iso_iec_14496_10_AVC_video_stream = 0x1B,
atsc_a_52b_ac3 = 0x81, // ac-3 @ atsc
};
/******************************************************************************
* table ids as defined by standards.
*
*****************************************************************************/
enum table_id {
TABLE_PAT = 0x00, // program_association_section
TABLE_CAT = 0x01, // conditional_access_section
TABLE_PMT = 0x02, // program_map_section
TABLE_TSDT = 0x03, // transport_stream_description_section
TABLE_NIT_ACT = 0x40, // network_information_section - actual_network
TABLE_NIT_OTH = 0x41, // network_information_section - other_network
TABLE_SDT_ACT = 0x42, // service_description_section - actual_transport_stream
TABLE_SDT_OTH = 0x46, // service_description_section - other_transport_stream
TABLE_BAT = 0x4A, // bouquet_association_section
TABLE_EIT_ACT = 0x4E, // event_information_section - actual_transport_stream, present/following
TABLE_EIT_OTH = 0x4F, // event_information_section - other_transport_stream, present/following
TABLE_EIT_SCHEDULE_ACT_50 = 0x50, // 0x50 to 0x5F event_information_section - actual_transport_stream, schedule
TABLE_EIT_SCHEDULE_ACT_5F = 0x5F, //
TABLE_EIT_SCHEDULE_OTH_60 = 0x60, // 0x60 to 0x6F event_information_section - other_transport_stream, schedule
TABLE_EIT_SCHEDULE_OTH_6F = 0x6F, //
TABLE_TDT = 0x70, // time_date_section
TABLE_RST = 0x71, // running_status_section
TABLE_STUFFING = 0x72, // stuffing_section
TABLE_TOT = 0x73, // time_offset_section
TABLE_AIT = 0x74, // application information section (TS 102 812 [17])
TABLE_CST = 0x75, // container section (TS 102 323 [15])
TABLE_RCT = 0x76, // related content section (TS 102 323 [15])
TABLE_CIT = 0x77, // content identifier section (TS 102 323 [15])
TABLE_MPE_FEC = 0x78, //
TABLE_RNS = 0x79, // resolution notification section (TS 102 323 [15])
TABLE_DIT = 0x7E, // discontinuity_information_section
TABLE_SIT = 0x7F, // selection_information_section
TABLE_PREMIERE_CIT = 0xA0, // premiere content information section
TABLE_VCT_TERR = 0xC8, // ATSC VCT VSB (terr)
TABLE_VCT_CABLE = 0xC9, // ATSC VCT QAM (cable)
};
/******************************************************************************
* PIDs as defined for accessing tables.
*
*****************************************************************************/
enum pid_type {
PID_PAT = 0x0000,
PID_CAT = 0x0001,
PID_TSDT = 0x0002,
PID_NIT_ST = 0x0010,
PID_SDT_BAT_ST = 0x0011,
PID_EIT_ST_CIT = 0x0012,
PID_RST_ST = 0x0013,
PID_TDT_TOT_ST = 0x0014,
PID_RNT = 0x0016,
PID_DIT = 0x001E,
PID_SIT = 0x001F,
PID_VCT = 0x1FFB,
};
/******************************************************************************
* 300468 v181 5.2.3 Service Description Table (SDT) table 6
*
*****************************************************************************/
enum running_mode {
rm_undefined = 0x00,
rm_not_running = 0x01,
rm_starts_soon = 0x02,
rm_pausing = 0x03,
rm_running = 0x04,
rm_service_off_air = 0x05,
rm_reserved_06 = 0x06,
rm_reserved_07 = 0x07,
};
/******************************************************************************
* 300468 A.1 Control codes (character control functions)
*
*****************************************************************************/
enum __single_byte_control_codes {
sb_cc_reserved_80 = 0x80,
sb_cc_reserved_81 = 0x81,
sb_cc_reserved_82 = 0x82,
sb_cc_reserved_83 = 0x83,
sb_cc_reserved_84 = 0x84,
sb_cc_reserved_85 = 0x85,
character_emphasis_on = 0x86,
character_emphasis_off = 0x87,
sb_cc_reserved_88 = 0x88,
sb_cc_reserved_89 = 0x89,
character_cr_lf = 0x8A,
sb_cc_user_8B = 0x8B,
sb_cc_user_9F = 0x9F,
};
enum __utf8_control_codes {
utf8_cc_start = 0xC2,
utf8_cc_reserved_C280 = 0xC280,
utf8_cc_reserved_C281 = 0xC281,
utf8_cc_reserved_C282 = 0xC282,
utf8_cc_reserved_C283 = 0xC283,
utf8_cc_reserved_C284 = 0xC284,
utf8_cc_reserved_C285 = 0xC285,
utf8_character_emphasis_on = 0xC286,
utf8_character_emphasis_off = 0xC287,
utf8_cc_reserved_C288 = 0xC288,
utf8_cc_reserved_C289 = 0xC289,
utf8_character_cr_lf = 0xC28A,
utf8_cc_user_C28B = 0xC28B,
utf8_cc_user_C29F = 0xC29F,
};
/******************************************************************************
* returns minimum repetition rates as specified in ETR211 4.4.1 and 4.4.2
* and 13818-1 C.9 Bandwidth Utilization and Signal Acquisition Time
* return value is in seconds.
*****************************************************************************/
struct service;
struct transponder;
typedef struct {
__u8 cell_id_extension;
__u32 transposer_frequency;
} subcell_t;
typedef struct {
__u8 network_change_id;
__u8 network_change_version;
time_t start_time_of_change;
time_t change_duration;
__u8 receiver_category;
__u8 change_type;
__u8 message_id;
struct {
__u8 present;
__u16 tsid;
__u16 onid;
} invariant_ts;
} network_change_loop_t;
typedef struct {
__u16 ofdm_cell_id;
__u8 num_changes;
network_change_loop_t * loop;
} changed_network_t;
typedef struct {
__u16 num_networks;
changed_network_t * network;
} network_change_t;
int repetition_rate(scantype_t scan_type, enum table_id table);
void parse_service_descriptor (const unsigned char *buf, struct service *s, unsigned user_charset_id);
void parse_ca_identifier_descriptor (const unsigned char *buf, struct service *s);
void parse_ca_descriptor (const unsigned char *buf, struct service *s);
void parse_iso639_language_descriptor (const unsigned char *buf, struct service *s);
void parse_subtitling_descriptor (const unsigned char *buf, struct service *s);
void parse_network_name_descriptor (const unsigned char *buf, struct transponder *t);
void parse_frequency_list_descriptor (const unsigned char *buf, struct transponder *t);
void parse_cable_delivery_system_descriptor (const unsigned char *buf,
struct transponder *t, fe_spectral_inversion_t inversion);
void parse_C2_delivery_system_descriptor (const unsigned char *buf,
struct transponder *t, fe_spectral_inversion_t inversion);
void parse_S2_satellite_delivery_system_descriptor(const unsigned char *buf, void * dummy);
void parse_satellite_delivery_system_descriptor(const unsigned char *buf,
struct transponder *t, fe_spectral_inversion_t inversion);
void parse_terrestrial_delivery_system_descriptor (const unsigned char *buf,
struct transponder *t, fe_spectral_inversion_t inversion);
void parse_T2_delivery_system_descriptor (const unsigned char *buf,
struct transponder *t, fe_spectral_inversion_t inversion);
void parse_SH_delivery_system_descriptor (const unsigned char *buf,
struct transponder *t, fe_spectral_inversion_t inversion);
void parse_network_change_notify_descriptor(const unsigned char *buf, network_change_t *nc);
void parse_atsc_service_location_descriptor(struct service *s, const unsigned char *buf);
void parse_atsc_extended_channel_name_descriptor(struct service *s, const unsigned char *buf);
int crc_check(const unsigned char * buf, __u16 len);
#endif
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