diff options
Diffstat (limited to 'libdtv/libsi/si_parser.c')
| -rw-r--r-- | libdtv/libsi/si_parser.c | 1335 |
1 files changed, 0 insertions, 1335 deletions
diff --git a/libdtv/libsi/si_parser.c b/libdtv/libsi/si_parser.c deleted file mode 100644 index 896c5ab..0000000 --- a/libdtv/libsi/si_parser.c +++ /dev/null @@ -1,1335 +0,0 @@ -////////////////////////////////////////////////////////////// -/// /// -/// si_parser.c: main parsing functions of libsi /// -/// /// -////////////////////////////////////////////////////////////// - -// $Revision: 1.8 $ -// $Date: 2003/02/04 18:45:35 $ -// $Author: hakenes $ -// -// (C) 2001-03 Rolf Hakenes <hakenes@hippomi.de>, under the -// GNU GPL with contribution of Oleg Assovski, -// www.satmania.com -// -// 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. - -#include <stdio.h> -#include <string.h> -#include <math.h> -#include <time.h> - -#include "../liblx/liblx.h" -#include "libsi.h" -#include "si_tables.h" - -static u_long crc32 (char *data, int len); - -struct LIST *siParsePAT (u_char *Buffer) -{ - pat_t *Pat; - pat_prog_t *PatProgram; - u_char *Ptr; - int SectionLength; - int TransportStreamID; - int PatVersion; - struct Program *Program; - struct LIST *ProgramList = NULL; - - if (!Buffer) return NULL; - - Pat = (pat_t *) Buffer; Ptr = Buffer; - - if (Pat->table_id != TID_PAT) { - // fprintf (stderr, "PAT: wrong TID %d\n", Pat->table_id); - return NULL; - } - - SectionLength = HILO (Pat->section_length) + 3 - PAT_LEN - 4; - - if (crc32 (Ptr, HILO (Pat->section_length) + 3)) return (NULL); - - TransportStreamID = HILO (Pat->transport_stream_id); - PatVersion = Pat->version_number; - - Ptr += PAT_LEN; - - while (SectionLength > 0) - { - PatProgram = (pat_prog_t *) Ptr; - - CreateProgram (Program, HILO (PatProgram->program_number), - TransportStreamID, HILO (PatProgram->network_pid), PatVersion); - - if (!ProgramList) ProgramList = xNewList (NULL); - xAddTail (ProgramList, Program); - - SectionLength -= PAT_PROG_LEN; - Ptr += PAT_PROG_LEN; - } - - return (ProgramList); -} - - -struct LIST *siParseCAT (u_char *Buffer) -{ - cat_t *Cat; - u_char *Ptr; - int SectionLength; - int TransportStreamID; - int CatVersion; - struct Descriptor *Descriptor; - struct LIST *DescriptorList = NULL; - - if (!Buffer) return NULL; - - Cat = (cat_t *) Buffer; Ptr = Buffer; - - if (Cat->table_id != TID_CAT) { - // fprintf (stderr, "CAT: wrong TID %d\n", Cat->table_id); - return NULL; - } - - SectionLength = HILO (Cat->section_length) + 3 - CAT_LEN - 4; - - if (crc32 (Ptr, HILO (Cat->section_length) + 3)) return (NULL); - - CatVersion = Cat->version_number; - - Ptr += CAT_LEN; - - if (SectionLength >= 0) - { - DescriptorList = xNewList (NULL); - siParseDescriptors (DescriptorList, Ptr, SectionLength, Cat->table_id); - } - - return (DescriptorList); -} - - -struct Pid *siParsePMT (u_char *Buffer) -{ - pmt_t *Pmt; - pmt_info_t *PmtInfo; - u_char *Ptr; - int SectionLength, ProgramInfoLength, - StreamLength, LoopLength; - int ProgramID; - int PcrID; - int PmtVersion; - struct Pid *Pid; - struct PidInfo *PidInfo; - - if (!Buffer) return NULL; - - Pmt = (pmt_t *) Buffer; Ptr = Buffer; - - if (Pmt->table_id != TID_PMT) { - // fprintf (stderr, "PMT: wrong TID %d\n", Pmt->table_id); - return NULL; - } - - SectionLength = HILO (Pmt->section_length) + 3 - 4; - - if (crc32 (Ptr, HILO (Pmt->section_length) + 3)) return (NULL); - - ProgramInfoLength = HILO (Pmt->program_info_length); - StreamLength = SectionLength - ProgramInfoLength - PMT_LEN; - - ProgramID = HILO (Pmt->program_number); - PmtVersion = Pmt->version_number; - PcrID = HILO (Pmt->PCR_PID); - - Ptr += PMT_LEN; - - CreatePid (Pid, ProgramID, PcrID, PmtVersion); - - if (StreamLength >= 0) siParseDescriptors (Pid->Descriptors, Ptr, - ProgramInfoLength, Pmt->table_id); - - Ptr += ProgramInfoLength; - - while (StreamLength > 0) - { - PmtInfo = (pmt_info_t *) Ptr; - - CreatePidInfo (PidInfo, PmtInfo->stream_type, - HILO (PmtInfo->elementary_PID)); - - LoopLength = HILO (PmtInfo->ES_info_length); - Ptr += PMT_INFO_LEN; - - siParseDescriptors (PidInfo->Descriptors, Ptr, LoopLength, Pmt->table_id); - - xAddTail (Pid->InfoList, PidInfo); - - StreamLength -= LoopLength + PMT_INFO_LEN; - Ptr += LoopLength; - } - - return (Pid); -} - - -struct LIST *siParseNIT (u_char *Buffer) -{ - nit_t *Nit; - nit_mid_t *NitMid; - nit_ts_t *TSDesc; - u_char *Ptr; - int SectionLength, LoopLength, Loop2Length; - int TransportStreamID; - int NitVersion; - int NetworkID; - struct TransportStream *TransportStream; - struct LIST *TSList = NULL; - struct LIST *Networks; - struct NetworkInfo *Network; - - if (!Buffer) return NULL; - - Nit = (nit_t *) Buffer; - Ptr = Buffer; - - if (Nit->table_id != TID_NIT_ACT && Nit->table_id != TID_NIT_OTH && Nit->table_id != TID_BAT) { - return NULL; - } - - SectionLength = HILO (Nit->section_length) + 3 - NIT_LEN - 4; - - if (crc32 (Ptr, HILO (Nit->section_length) + 3)) return (NULL); - - NitVersion = Nit->version_number; - NetworkID = HILO (Nit->network_id); - if (NetworkID == 65535) - NetworkID = 0; - CreateNetworkInfo (Network, NetworkID); - Networks = xNewList (NULL); - xAddTail (Networks, Network); - - Ptr += NIT_LEN; - - LoopLength = HILO (Nit->network_descriptor_length); -// fprintf (stderr, "table 0x%X, SectionLen = %d, LoopLen = %d\n", -// Nit->table_id, SectionLength, LoopLength); - if (LoopLength > SectionLength - SDT_DESCR_LEN) - return (Networks); - - if (LoopLength <= SectionLength) { - if (SectionLength >= 0) siParseDescriptors (Network->Descriptors, Ptr, LoopLength, Nit->table_id); - SectionLength -= LoopLength; - Ptr += LoopLength; - NitMid = (nit_mid_t *) Ptr; - LoopLength = HILO (NitMid->transport_stream_loop_length); -// fprintf (stderr, "table 0x%X, TS LoopLen = %d\n", -// Nit->table_id, LoopLength); - if ((SectionLength > 0) && (LoopLength <= SectionLength)) { - SectionLength -= SIZE_NIT_MID; - Ptr += SIZE_NIT_MID; - while (LoopLength > 0) { - TSDesc = (nit_ts_t *) Ptr; - CreateTransportStream (TransportStream, HILO(TSDesc->transport_stream_id), HILO(TSDesc->original_network_id)); - if (TransportStream->TransportStreamID == 65535) - TransportStream->TransportStreamID = 0; - if (TransportStream->OriginalNetworkID == 65535) - TransportStream->OriginalNetworkID = 0; - Loop2Length = HILO (TSDesc->transport_descriptors_length); -// fprintf (stderr, "table 0x%X, TSdesc LoopLen = %d\n", -// Nit->table_id, Loop2Length); - Ptr += NIT_TS_LEN; - if (Loop2Length <= LoopLength) { - if (LoopLength >= 0) siParseDescriptors (TransportStream->Descriptors, Ptr, Loop2Length, Nit->table_id); - } - if (!Network->TransportStreams) - Network->TransportStreams = xNewList (NULL); - xAddTail (Network->TransportStreams, TransportStream); - LoopLength -= Loop2Length + NIT_TS_LEN; - SectionLength -= Loop2Length + NIT_TS_LEN; - Ptr += Loop2Length; - } - } - } - - return (Networks); -} - - -struct LIST *siParseSDT (u_char *Buffer) -{ - sdt_t *Sdt; - sdt_descr_t *SdtDescriptor; - u_char *Ptr; - int SectionLength, LoopLength; - int TransportStreamID; - int SdtVersion; - int OriginalNetworkID; - struct Service *Service; - struct LIST *ServiceList = NULL; - - if (!Buffer) return NULL; - - Sdt = (sdt_t *) Buffer; Ptr = Buffer; - - if (Sdt->table_id != TID_SDT_ACT && Sdt->table_id != TID_SDT_OTH) { - // fprintf (stderr, "SDT: wrong TID %d\n", Sdt->table_id); - return NULL; - } - - SectionLength = HILO (Sdt->section_length) + 3 - SDT_LEN - 4; - - if (crc32 (Ptr, HILO (Sdt->section_length) + 3)) return (NULL); - - TransportStreamID = HILO (Sdt->transport_stream_id); - SdtVersion = Sdt->version_number; - OriginalNetworkID = HILO (Sdt->original_network_id); - - Ptr += SDT_LEN; - - while (SectionLength > 0) - { - SdtDescriptor = (sdt_descr_t *) Ptr; - - CreateService (Service, HILO (SdtDescriptor->service_id), - TransportStreamID, OriginalNetworkID, SdtVersion, - SdtDescriptor->free_ca_mode ? CONDITIONAL_ACCESS : FREE_TO_AIR); - - switch (SdtDescriptor->running_status) - { - case 0x01: - SetRunningStatus (Service->Status, RUNNING_STATUS_NOT_RUNNING); - break; - - case 0x02: - SetRunningStatus (Service->Status, RUNNING_STATUS_AWAITING); - break; - - case 0x03: - SetRunningStatus (Service->Status, RUNNING_STATUS_PAUSING); - break; - - case 0x04: - default: - SetRunningStatus (Service->Status, RUNNING_STATUS_RUNNING); - break; - } - if (SdtDescriptor->eit_schedule_flag) - SetScheduleFlag (Service->Status); - if (SdtDescriptor->eit_present_following_flag) - SetPresentFollowing (Service->Status); - - LoopLength = HILO (SdtDescriptor->descriptors_loop_length); - if (LoopLength > SectionLength - SDT_DESCR_LEN) - return (ServiceList); - Ptr += SDT_DESCR_LEN; - - siParseDescriptors (Service->Descriptors, Ptr, LoopLength, Sdt->table_id); - - if (!ServiceList) ServiceList = xNewList (NULL); - xAddTail (ServiceList, Service); - - SectionLength -= LoopLength + SDT_DESCR_LEN; - Ptr += LoopLength; - } - - return (ServiceList); -} - - -struct LIST *siParseEIT (u_char *Buffer) -{ - eit_t *Eit; - eit_event_t *EitEvent; - u_char *Ptr; - int SectionLength, LoopLength; - int ServiceID; - int EitVersion; - int TransportStreamID; - int OriginalNetworkID; - struct Event *Event; - struct LIST *EventList = NULL; - - if (!Buffer) return NULL; - - Eit = (eit_t *) Buffer; Ptr = Buffer; - - if (Eit->table_id != TID_EIT_ACT && Eit->table_id != TID_EIT_OTH && - !(Eit->table_id >= TID_EIT_ACT_SCH && - Eit->table_id <= TID_EIT_ACT_SCH + 0x0F) && - !(Eit->table_id >= TID_EIT_OTH_SCH && - Eit->table_id <= TID_EIT_OTH_SCH + 0x0F)) { - // fprintf (stderr, "EIT: wrong TID %d\n", Eit->table_id); - return NULL; - } - - SectionLength = HILO (Eit->section_length) + 3 - EIT_LEN - 4; - - if (crc32 (Ptr, HILO (Eit->section_length) + 3)) return (NULL); - - ServiceID = HILO (Eit->service_id); - TransportStreamID = HILO (Eit->transport_stream_id); - EitVersion = Eit->version_number; - OriginalNetworkID = HILO (Eit->original_network_id); - - Ptr += EIT_LEN; - - while (SectionLength > 0) - { - struct tm thisTime; - int year, month, day; - double mjd; - - EitEvent = (eit_event_t *) Ptr; - - CreateEvent (Event, HILO (EitEvent->event_id), ServiceID, - TransportStreamID, OriginalNetworkID, EitVersion, - EitEvent->free_ca_mode ? CONDITIONAL_ACCESS : FREE_TO_AIR); - - switch (EitEvent->running_status) - { - case 0x01: - SetRunningStatus (Event->Status, RUNNING_STATUS_NOT_RUNNING); - break; - - case 0x02: - SetRunningStatus (Event->Status, RUNNING_STATUS_AWAITING); - break; - - case 0x03: - SetRunningStatus (Event->Status, RUNNING_STATUS_PAUSING); - break; - - case 0x04: - default: - SetRunningStatus (Event->Status, RUNNING_STATUS_RUNNING); - break; - } - Event->StartTime = MjdToEpochTime (EitEvent->mjd) + - BcdTimeToSeconds (EitEvent->start_time); - Event->Duration = BcdTimeToSeconds (EitEvent->duration); - - LoopLength = HILO (EitEvent->descriptors_loop_length); - if (LoopLength > SectionLength - EIT_EVENT_LEN) - return (EventList); - Ptr += EIT_EVENT_LEN; - - siParseDescriptors (Event->Descriptors, Ptr, LoopLength, Eit->table_id); - - if (!EventList) EventList = xNewList (NULL); - xAddTail (EventList, Event); - - SectionLength -= LoopLength + EIT_EVENT_LEN; - Ptr += LoopLength; - } - - return (EventList); -} - - -time_t siParseTDT (u_char *Buffer) -{ - tdt_t *Tdt; - u_char *Ptr; - int SectionLength; - int TdtVersion; - time_t CurrentTime; - - if (!Buffer) return 0; - - Tdt = (tdt_t *) Buffer; Ptr = Buffer; - - if (Tdt->table_id != TID_TDT) { - // fprintf (stderr, "TDT: wrong TID %d\n", Tdt->table_id); - return 0; - } - - SectionLength = HILO (Tdt->section_length) + 3; /* no CRC ?! */ - - CurrentTime = MjdToEpochTime (Tdt->utc_mjd) + - BcdTimeToSeconds (Tdt->utc_time); - - return (CurrentTime); -} - - -struct Tot *siParseTOT (u_char *Buffer) -{ - tot_t *Tot; - u_char *Ptr; - int SectionLength, LoopLength; - struct Tot *table; - time_t CurrentTime; - - if (!Buffer) return NULL; - - Tot = (tot_t *) Buffer; - Ptr = Buffer; - - if (Tot->table_id != TID_TOT) { - return NULL; - } - - if (crc32 (Ptr, HILO (Tot->section_length) + 3)) return (NULL); -// SectionLength = HILO (Tot->section_length) + 3 - TOT_LEN - 4; - - CurrentTime = MjdToEpochTime (Tot->utc_mjd) + - BcdTimeToSeconds (Tot->utc_time); - LoopLength = HILO (Tot->descriptors_loop_length); - if (!LoopLength) - return NULL; - - CreateTot (table, CurrentTime); - - Ptr += TOT_LEN; - - siParseDescriptors (table->Descriptors, Ptr, LoopLength, Tot->table_id); - - // fprintf (stderr, "TOT Bias: %d\n", table->Bias); - return (table); -} - -static u_char TempTableID = 0; - -void siParseDescriptors (struct LIST *Descriptors, u_char *Buffer, - int Length, u_char TableID) -{ - int DescriptorLength; - u_char *Ptr; - - DescriptorLength = 0; - Ptr = Buffer; - TempTableID = TableID; - - while (DescriptorLength < Length) - { - if ((GetDescriptorLength (Ptr) > Length - DescriptorLength) || - (GetDescriptorLength (Ptr) <= 0)) return; - switch (TableID) - { - case TID_NIT_ACT: case TID_NIT_OTH: - switch (GetDescriptorTag(Ptr)) - { - case DESCR_SAT_DEL_SYS: - case DESCR_CABLE_DEL_SYS: - case DESCR_SERVICE_LIST: - case DESCR_PRIV_DATA_SPEC: -// fprintf (stderr, "Got descriptor with tag = 0x%X\n", GetDescriptorTag(Ptr)); -// siDumpDescriptor (Ptr); - case DESCR_NW_NAME: - case DESCR_STUFFING: - case DESCR_LINKAGE: - case DESCR_TERR_DEL_SYS: - case DESCR_ML_NW_NAME: - case DESCR_CELL_LIST: - case DESCR_CELL_FREQ_LINK: - case DESCR_ANNOUNCEMENT_SUPPORT: - siParseDescriptor (Descriptors, Ptr); - break; - - default: - // fprintf (stderr, "forbidden descriptor 0x%x in NIT\n", GetDescriptorTag(Ptr)); - break; - } - break; - - case TID_BAT: - switch (GetDescriptorTag(Ptr)) - { - case DESCR_SERVICE_LIST: - case DESCR_STUFFING: - case DESCR_BOUQUET_NAME: - case DESCR_SERVICE: - case DESCR_COUNTRY_AVAIL: - case DESCR_LINKAGE: - case DESCR_CA_IDENT: - case DESCR_ML_BQ_NAME: - case DESCR_PRIV_DATA_SPEC: - // fprintf (stderr, "Got descriptor with tag = 0x%X\n", GetDescriptorTag(Ptr)); - siParseDescriptor (Descriptors, Ptr); - break; - - default: - // fprintf (stderr, "forbidden descriptor 0x%x in BAT\n", GetDescriptorTag(Ptr)); - break; - } - break; - - case TID_SDT_ACT: case TID_SDT_OTH: - switch (GetDescriptorTag(Ptr)) - { - case DESCR_STUFFING: - case DESCR_BOUQUET_NAME: - case DESCR_SERVICE: - case DESCR_COUNTRY_AVAIL: - case DESCR_LINKAGE: - case DESCR_NVOD_REF: - case DESCR_TIME_SHIFTED_SERVICE: - case DESCR_MOSAIC: - case DESCR_CA_IDENT: - case DESCR_TELEPHONE: - case DESCR_ML_SERVICE_NAME: - case DESCR_PRIV_DATA_SPEC: - case DESCR_DATA_BROADCAST: - siParseDescriptor (Descriptors, Ptr); - break; - - default: - // fprintf (stderr, "forbidden descriptor 0x%x in SDT\n", GetDescriptorTag(Ptr)); - break; - } - break; - - case TID_EIT_ACT: case TID_EIT_OTH: - case TID_EIT_ACT_SCH: case TID_EIT_OTH_SCH: - case TID_EIT_ACT_SCH+1: case TID_EIT_OTH_SCH+1: - case TID_EIT_ACT_SCH+2: case TID_EIT_OTH_SCH+2: - case TID_EIT_ACT_SCH+3: case TID_EIT_OTH_SCH+3: - case TID_EIT_ACT_SCH+4: case TID_EIT_OTH_SCH+4: - case TID_EIT_ACT_SCH+5: case TID_EIT_OTH_SCH+5: - case TID_EIT_ACT_SCH+6: case TID_EIT_OTH_SCH+6: - case TID_EIT_ACT_SCH+7: case TID_EIT_OTH_SCH+7: - case TID_EIT_ACT_SCH+8: case TID_EIT_OTH_SCH+8: - case TID_EIT_ACT_SCH+9: case TID_EIT_OTH_SCH+9: - case TID_EIT_ACT_SCH+10: case TID_EIT_OTH_SCH+10: - case TID_EIT_ACT_SCH+11: case TID_EIT_OTH_SCH+11: - case TID_EIT_ACT_SCH+12: case TID_EIT_OTH_SCH+12: - case TID_EIT_ACT_SCH+13: case TID_EIT_OTH_SCH+13: - case TID_EIT_ACT_SCH+14: case TID_EIT_OTH_SCH+14: - case TID_EIT_ACT_SCH+15: case TID_EIT_OTH_SCH+15: - switch (GetDescriptorTag(Ptr)) - { - case DESCR_STUFFING: - case DESCR_LINKAGE: - case DESCR_SHORT_EVENT: - case DESCR_EXTENDED_EVENT: - case DESCR_TIME_SHIFTED_EVENT: - case DESCR_COMPONENT: - case DESCR_CA_IDENT: - case DESCR_CONTENT: - case DESCR_PARENTAL_RATING: - case DESCR_TELEPHONE: - case DESCR_ML_COMPONENT: - case DESCR_PRIV_DATA_SPEC: - case DESCR_SHORT_SMOOTH_BUF: - case DESCR_DATA_BROADCAST: - case DESCR_PDC: - siParseDescriptor (Descriptors, Ptr); - break; - - default: - // fprintf (stderr, "forbidden descriptor 0x%x in EIT\n", GetDescriptorTag(Ptr)); - break; - } - break; - - case TID_TOT: - switch (GetDescriptorTag(Ptr)) - { - case DESCR_LOCAL_TIME_OFF: - siParseDescriptor (Descriptors, Ptr); - break; - - default: - // fprintf (stderr, "forbidden descriptor 0x%x in TOT\n", GetDescriptorTag(Ptr)); - break; - } - break; - - case TID_PMT: - switch (GetDescriptorTag(Ptr)) - { - case DESCR_VBI_DATA: - case DESCR_VBI_TELETEXT: - case DESCR_MOSAIC: - case DESCR_STREAM_ID: - case DESCR_TELETEXT: - case DESCR_SUBTITLING: - case DESCR_PRIV_DATA_SPEC: - case DESCR_SERVICE_MOVE: - case DESCR_CA_SYSTEM: - case DESCR_DATA_BROADCAST_ID: - case DESCR_AC3: - case DESCR_ANCILLARY_DATA: - case DESCR_VIDEO_STREAM: - case DESCR_AUDIO_STREAM: - case DESCR_HIERARCHY: - case DESCR_REGISTRATION: - case DESCR_DATA_STREAM_ALIGN: - case DESCR_TARGET_BACKGRID: - case DESCR_VIDEO_WINDOW: - case DESCR_CA: - case DESCR_ISO_639_LANGUAGE: - case DESCR_SYSTEM_CLOCK: - case DESCR_MULTIPLEX_BUFFER_UTIL: - case DESCR_COPYRIGHT: - case DESCR_MAXIMUM_BITRATE: - siParseDescriptor (Descriptors, Ptr); - break; - - default: - // fprintf (stderr, "forbidden descriptor 0x%x in PMT\n", GetDescriptorTag(Ptr)); - break; - } - break; - - case TID_CAT: - switch (GetDescriptorTag(Ptr)) - { - case DESCR_CA_SYSTEM: - case DESCR_CA: - case DESCR_CA_IDENT: - siParseDescriptor (Descriptors, Ptr); - break; - - default: - // fprintf (stderr, "forbidden descriptor 0x%x in CAT\n", GetDescriptorTag(Ptr)); - break; - } - break; - - default: - // fprintf (stderr, "descriptor 0x%x in unsupported table 0x%x\n", GetDescriptorTag(Ptr), TableID); - break; - } - DescriptorLength += GetDescriptorLength (Ptr); - Ptr += GetDescriptorLength (Ptr); - } - return; -} - - -void siParseDescriptor (struct LIST *Descriptors, u_char *Buffer) -{ - struct NODE *Descriptor = NULL; - char *Text , *Text2; - u_char *Ptr; - int Length, i; - - if (!Descriptors || !Buffer) return; - - Ptr = Buffer; -// fprintf (stderr, "Got descriptor with tag = 0x%X\n", GetDescriptorTag(Buffer)); - - switch (GetDescriptorTag(Buffer)) - { - case DESCR_ANCILLARY_DATA: - CreateAncillaryDataDescriptor (Descriptor, - CastAncillaryDataDescriptor(Buffer)->ancillary_data_identifier); - break; - - case DESCR_NW_NAME: - case DESCR_BOUQUET_NAME: - Text = siGetDescriptorName (Buffer + DESCR_BOUQUET_NAME_LEN, - GetDescriptorLength (Buffer) - DESCR_BOUQUET_NAME_LEN); -// fprintf (stderr, "Got descriptor with tag = 0x%X, text = '%s'\n", GetDescriptorTag(Buffer), Text); - CreateBouquetNameDescriptor (Descriptor, Text, GetDescriptorTag(Buffer)); - break; - - case DESCR_COMPONENT: - Text = siGetDescriptorText (Buffer + DESCR_COMPONENT_LEN, - GetDescriptorLength (Buffer) - DESCR_COMPONENT_LEN); - CreateComponentDescriptor (Descriptor, - CastComponentDescriptor(Buffer)->stream_content, - CastComponentDescriptor(Buffer)->component_type, - CastComponentDescriptor(Buffer)->component_tag, - CastComponentDescriptor(Buffer)->lang_code1, - CastComponentDescriptor(Buffer)->lang_code2, - CastComponentDescriptor(Buffer)->lang_code3, Text); - break; - - case DESCR_SERVICE: - Text = siGetDescriptorName (Buffer + DESCR_SERVICE_LEN, - CastServiceDescriptor(Buffer)->provider_name_length); - Text2 = siGetDescriptorName (Buffer + DESCR_SERVICE_LEN + - CastServiceDescriptor(Buffer)->provider_name_length + 1, - *((u_char *)(Buffer + DESCR_SERVICE_LEN + - CastServiceDescriptor(Buffer)->provider_name_length))); - CreateServiceDescriptor (Descriptor, - CastServiceDescriptor(Buffer)->service_type, Text, Text2); - break; - - case DESCR_COUNTRY_AVAIL: - CreateCountryAvailabilityDescriptor (Descriptor, - CastCountryAvailabilityDescriptor(Buffer)->country_availability_flag); - Length = GetDescriptorLength (Buffer) - DESCR_COUNTRY_AVAILABILITY_LEN; - Ptr += DESCR_COUNTRY_AVAILABILITY_LEN; - while (Length > 0) - { AddCountryAvailabilityCode(Descriptor, - Ptr[0], Ptr[1], Ptr[2]); Ptr += 3; Length -= 3; } - break; - - case DESCR_SHORT_EVENT: - Text = siGetDescriptorName (Buffer + DESCR_SHORT_EVENT_LEN, - CastShortEventDescriptor(Buffer)->event_name_length); - Text2 = siGetDescriptorText (Buffer + DESCR_SHORT_EVENT_LEN + - CastShortEventDescriptor(Buffer)->event_name_length + 1, - *((u_char *)(Buffer + DESCR_SHORT_EVENT_LEN + - CastShortEventDescriptor(Buffer)->event_name_length))); - CreateShortEventDescriptor (Descriptor, Text, - CastShortEventDescriptor(Buffer)->lang_code1, - CastShortEventDescriptor(Buffer)->lang_code2, - CastShortEventDescriptor(Buffer)->lang_code3, Text2); - break; - - case DESCR_EXTENDED_EVENT: - Text = siGetDescriptorText (Buffer + DESCR_EXTENDED_EVENT_LEN + - CastExtendedEventDescriptor(Buffer)->length_of_items + 1, - *((u_char *)(Buffer + DESCR_EXTENDED_EVENT_LEN + - CastExtendedEventDescriptor(Buffer)->length_of_items))); - CreateExtendedEventDescriptor (Descriptor, - CastExtendedEventDescriptor(Buffer)->descriptor_number, - CastExtendedEventDescriptor(Buffer)->last_descriptor_number, - CastExtendedEventDescriptor(Buffer)->lang_code1, - CastExtendedEventDescriptor(Buffer)->lang_code2, - CastExtendedEventDescriptor(Buffer)->lang_code3, Text); - Length = CastExtendedEventDescriptor(Buffer)->length_of_items; - Ptr += DESCR_EXTENDED_EVENT_LEN; -// printf ("EEDesc #%d, %s\n", CastExtendedEventDescriptor(Buffer)->descriptor_number, Text); - while ((Length > 0) && (Length < GetDescriptorLength (Buffer))) - { - Text = siGetDescriptorText (Ptr + ITEM_EXTENDED_EVENT_LEN, - CastExtendedEventItem(Ptr)->item_description_length); - Text2 = siGetDescriptorText (Ptr + ITEM_EXTENDED_EVENT_LEN + - CastExtendedEventItem(Ptr)->item_description_length + 1, - *((u_char *)(Ptr + ITEM_EXTENDED_EVENT_LEN + - CastExtendedEventItem(Ptr)->item_description_length))); -// printf ("EEItem #%d, %s, %s\n", CastExtendedEventDescriptor(Buffer)->descriptor_number, Text, Text2); - AddExtendedEventItem (Descriptor, Text2, Text); - Length -= ITEM_EXTENDED_EVENT_LEN + CastExtendedEventItem(Ptr)->item_description_length + - *((u_char *)(Ptr + ITEM_EXTENDED_EVENT_LEN + - CastExtendedEventItem(Ptr)->item_description_length)) + 1; - Ptr += ITEM_EXTENDED_EVENT_LEN + CastExtendedEventItem(Ptr)->item_description_length + - *((u_char *)(Ptr + ITEM_EXTENDED_EVENT_LEN + - CastExtendedEventItem(Ptr)->item_description_length)) + 1; - } - break; - - case DESCR_CA_IDENT: - Length = GetDescriptorLength (Buffer) - DESCR_CA_IDENTIFIER_LEN; - CreateCaIdentifierDescriptor (Descriptor, Length / 2); - Ptr += DESCR_CA_IDENTIFIER_LEN; i = 0; - while (Length > 0) - { SetCaIdentifierID(Descriptor, i, ((*((u_char *) Ptr)<<8) + *((u_char *) (Ptr+1)))); - Length -= 2; Ptr += 2; i++; } - break; - - case DESCR_CA: - { - struct CaDescriptor *CD; - - Length = GetDescriptorLength (Buffer) - DESCR_CA_LEN; - CreateCaDescriptor (Descriptor, - HILO(CastCaDescriptor(Buffer)->CA_type), - HILO(CastCaDescriptor(Buffer)->CA_PID), Length); - Ptr += DESCR_CA_LEN; i = 0; - while (Length > 0) - { SetCaData(Descriptor, i, *Ptr); - Length --; Ptr ++; i++; } - - /* - * The following analyses are more or less directly copied from - * MultiDec 8.4b Sources. Thanx to Espresso for his great work !! - */ - CD = (struct CaDescriptor *) Descriptor; - - // fprintf (stderr, "TableID: %02x - CA - Type: 0x%04x, PID: %d\n", TempTableID, CD->CA_type, CD->CA_PID); - - if ((CD->CA_type >> 8) == 0x01) /* SECA */ - { - CD->ProviderID = (GetCaData (CD, 0) << 8) | GetCaData (CD, 1); - } - else if ((CD->CA_type >> 8) == 0x05) /* Viaccess ? (France Telecom) */ - { - i=0; - while (i < CD->DataLength) - { - if ((GetCaData (CD, i) == 0x14) && (GetCaData (CD, i+1) == 0x03)) - { - CD->ProviderID = (GetCaData (CD, i+2) << 16) | - (GetCaData (CD, i+3) << 8) | - (GetCaData (CD, i+4) & 0xf0); - i = CD->DataLength; - } - i++; - } - } - if (CD->CA_type==0x0100) /* SECA 1 */ - { - /* bptr=MyPtr+19; - - i=19; - while ( i+4 < ca_info->len ) { - if ( (*bptr&0xE0) == 0xE0 ) { - CA_ECM=(( *bptr&0x1f)<<8)+*(bptr+1); - Prov_Ident = ( *(bptr+2)<<8) | *(bptr+3); - j=0; - while ( j < ProgrammNeu[ProgrammNummer].CA_Anzahl ) { - if (( ProgrammNeu[ProgrammNummer].CA_System[j].CA_Typ == CA_Typ ) - && ( ProgrammNeu[ProgrammNummer].CA_System[j].ECM == CA_ECM )) break; - j++; - }; - - if ( j < MAX_CA_SYSTEMS ) { - if ( j >= ProgrammNeu[ProgrammNummer].CA_Anzahl ) - ProgrammNeu[ProgrammNummer].CA_Anzahl++; - ProgrammNeu[ProgrammNummer].CA_System[j].CA_Typ =CA_Typ; - ProgrammNeu[ProgrammNummer].CA_System[j].ECM =CA_ECM ; - ProgrammNeu[ProgrammNummer].CA_System[j].Provider_Id = Prov_Ident; - }; - } - i+=0x0f; - bptr+=0x0f; - }; */ - } - } - break; - - case DESCR_CONTENT: - CreateContentDescriptor (Descriptor, - (GetDescriptorLength(Buffer) - DESCR_CONTENT_LEN) / 2); - Length = GetDescriptorLength (Buffer) - DESCR_CONTENT_LEN; - Ptr += DESCR_CONTENT_LEN; i = 0; - while (Length > 0) - { SetContentID(Descriptor, i, CastContentNibble(Ptr)->content_nibble_level_1, - CastContentNibble(Ptr)->content_nibble_level_2, - CastContentNibble(Ptr)->user_nibble_1, - CastContentNibble(Ptr)->user_nibble_2); - Length -= 2; Ptr += 2; i++; } - break; - - case DESCR_STUFFING: - /* intentionally ignored */ - break; - - case DESCR_PARENTAL_RATING: - CreateParentalRatingDescriptor (Descriptor); - Length = GetDescriptorLength (Buffer) - DESCR_PARENTAL_RATING_LEN; - Ptr += DESCR_PARENTAL_RATING_LEN; i = 0; - while (Length > 0) - { AddParentalRating (Descriptor, CastParentalRating(Ptr)->lang_code1, - CastParentalRating(Ptr)->lang_code2, CastParentalRating(Ptr)->lang_code3, - CastParentalRating(Ptr)->rating); - Length -= PARENTAL_RATING_LEN; Ptr += PARENTAL_RATING_LEN; i++; } - break; - - case DESCR_NVOD_REF: - CreateNvodReferenceDescriptor (Descriptor); - Length = GetDescriptorLength (Buffer) - DESCR_NVOD_REFERENCE_LEN; - Ptr += DESCR_NVOD_REFERENCE_LEN; - while (Length > 0) - { - AddNvodReferenceItem (Descriptor, - HILO (CastNvodReferenceItem(Ptr)->transport_stream_id), - HILO (CastNvodReferenceItem(Ptr)->original_network_id), - HILO (CastNvodReferenceItem(Ptr)->service_id)); - Length -= ITEM_NVOD_REFERENCE_LEN; - Ptr += ITEM_NVOD_REFERENCE_LEN; - } - break; - - case DESCR_TIME_SHIFTED_SERVICE: - CreateTimeShiftedServiceDescriptor (Descriptor, - HILO (CastTimeShiftedServiceDescriptor(Ptr)->reference_service_id)); - break; - - case DESCR_TIME_SHIFTED_EVENT: - CreateTimeShiftedEventDescriptor (Descriptor, - HILO (CastTimeShiftedEventDescriptor(Ptr)->reference_service_id), - HILO (CastTimeShiftedEventDescriptor(Ptr)->reference_event_id)); - break; - - case DESCR_ISO_639_LANGUAGE: - CreateIso639LanguageDescriptor (Descriptor, - CastIso639LanguageDescriptor(Buffer)->lang_code1, - CastIso639LanguageDescriptor(Buffer)->lang_code2, - CastIso639LanguageDescriptor(Buffer)->lang_code3); - break; - - case DESCR_STREAM_ID: - CreateStreamIdentifierDescriptor (Descriptor, - CastStreamIdentifierDescriptor(Ptr)->component_tag); - break; - - case DESCR_LINKAGE: - CreateLinkageDescriptor (Descriptor, - HILO (CastLinkageDescriptor(Ptr)->transport_stream_id), - HILO (CastLinkageDescriptor(Ptr)->original_network_id), - HILO (CastLinkageDescriptor(Ptr)->service_id), - CastLinkageDescriptor(Ptr)->linkage_type, - GetDescriptorLength (Ptr) - DESCR_LINKAGE_LEN, - Ptr + DESCR_LINKAGE_LEN); - break; - - case DESCR_TELETEXT: - CreateTeletextDescriptor (Descriptor); - Length = GetDescriptorLength (Buffer) - DESCR_TELETEXT_LEN; - Ptr += DESCR_TELETEXT_LEN; - while (Length > 0) - { - AddTeletextItem (Descriptor, - CastTeletextItem(Ptr)->type, - CastTeletextItem(Ptr)->magazine_number, - CastTeletextItem(Ptr)->page_number, - CastTeletextItem(Ptr)->lang_code1, - CastTeletextItem(Ptr)->lang_code2, - CastTeletextItem(Ptr)->lang_code3); - Length -= ITEM_TELETEXT_LEN; - Ptr += ITEM_TELETEXT_LEN; - } - break; - - case DESCR_AC3: - CreateAc3Descriptor (Descriptor); - Length = GetDescriptorLength (Buffer); - if (CastAc3Descriptor(Buffer)->ac3_type_flag) - { Length -= 1; Ptr += 1; AddAc3FlagAndValue (Descriptor, - AC3_TYPE_FLAG, CastAc3Descriptor(Buffer)->ac3_type); } - if (CastAc3Descriptor(Buffer)->bsid_flag) - { Length -= 1; Ptr += 1; AddAc3FlagAndValue (Descriptor, - BS_ID_FLAG, CastAc3Descriptor(Buffer)->bsid); } - if (CastAc3Descriptor(Buffer)->mainid_flag) - { Length -= 1; Ptr += 1; AddAc3FlagAndValue (Descriptor, - MAIN_ID_FLAG, CastAc3Descriptor(Buffer)->mainid); } - if (CastAc3Descriptor(Buffer)->asvc_flag) - { Length -= 1; Ptr += 1; AddAc3FlagAndValue (Descriptor, - ASVC_FLAG, CastAc3Descriptor(Buffer)->asvc); } - Length -= DESCR_AC3_LEN; - Ptr += DESCR_AC3_LEN; - if (Length > 0) AddAc3AdditionalData (Descriptor, Ptr, Length); - break; - - case DESCR_SUBTITLING: - CreateSubtitlingDescriptor (Descriptor); - Length = GetDescriptorLength (Buffer) - DESCR_SUBTITLING_LEN; - Ptr += DESCR_SUBTITLING_LEN; - while (Length > 0) - { - AddSubtitlingItem (Descriptor, - CastSubtitlingItem(Ptr)->subtitling_type, - HILO (CastSubtitlingItem(Ptr)->composition_page_id), - HILO (CastSubtitlingItem(Ptr)->ancillary_page_id), - CastSubtitlingItem(Ptr)->lang_code1, - CastSubtitlingItem(Ptr)->lang_code2, - CastSubtitlingItem(Ptr)->lang_code3); - Length -= ITEM_SUBTITLING_LEN; - Ptr += ITEM_SUBTITLING_LEN; - } - break; - - case DESCR_SAT_DEL_SYS: -// fprintf (stderr, "got descriptor 0x%x\n", GetDescriptorTag(Buffer)); - { - descr_satellite_delivery_system_t *sds; - sds = (descr_satellite_delivery_system_t *) Ptr; - if (CheckBcdChar (sds->frequency1) && CheckBcdChar (sds->frequency2) && - CheckBcdChar (sds->frequency3) && CheckBcdChar (sds->frequency4) && - CheckBcdChar (sds->orbital_position1) && - CheckBcdChar (sds->orbital_position2) && - CheckBcdChar (sds->symbol_rate1) && CheckBcdChar (sds->symbol_rate1) && - CheckBcdChar (sds->symbol_rate3) && (sds->fec_inner != 0) && (sds->modulation == 1)) - { - CreateSatelliteDeliverySystemDescriptor (Descriptor, - BcdCharToInt (sds->frequency1) * 10 * 1000 * 1000 + - BcdCharToInt (sds->frequency2) * 100 * 1000 + - BcdCharToInt (sds->frequency3) * 1000 + - BcdCharToInt (sds->frequency4) * 10, - (sds->west_east_flag ? 1 : -1) * - (BcdCharToInt (sds->orbital_position1) * 100 + - BcdCharToInt (sds->orbital_position2)), - sds->modulation, - sds->polarization, - BcdCharToInt (sds->symbol_rate1) * 10 * 1000 + - BcdCharToInt (sds->symbol_rate2) * 100 + - BcdCharToInt (sds->symbol_rate3), - sds->fec_inner); - } - /* else - { - fprintf (stderr, "Illegal sds descriptor\n"); - siDumpDescriptor (Buffer); - } */ - } - break; - - case DESCR_CABLE_DEL_SYS: -// fprintf (stderr, "got descriptor 0x%x\n", GetDescriptorTag(Buffer)); - { - descr_cable_delivery_system_t *cds; - cds = (descr_cable_delivery_system_t *) Ptr; - if (CheckBcdChar (cds->frequency1) && CheckBcdChar (cds->frequency2) && - CheckBcdChar (cds->frequency3) && CheckBcdChar (cds->frequency4) && - CheckBcdChar (cds->symbol_rate1) && CheckBcdChar (cds->symbol_rate1) && - CheckBcdChar (cds->symbol_rate3) && (cds->fec_inner != 0)) - { - CreateCableDeliverySystemDescriptor (Descriptor, - BcdCharToInt (cds->frequency1) * 100 * 1000 * 1000 + - BcdCharToInt (cds->frequency2) * 1000 * 1000 + - BcdCharToInt (cds->frequency3) * 10 * 1000 + - BcdCharToInt (cds->frequency4) * 100, - BcdCharToInt (cds->symbol_rate1) * 10 * 1000 + - BcdCharToInt (cds->symbol_rate2) * 100 + - BcdCharToInt (cds->symbol_rate3), - cds->fec_outer, - cds->fec_inner, - cds->modulation - ); - } - /* else - { - fprintf (stderr, "Illegal cds descriptor\n"); - siDumpDescriptor (Buffer); - } */ - } - break; - - case DESCR_TERR_DEL_SYS: -// fprintf (stderr, "got descriptor 0x%x\n", GetDescriptorTag(Buffer)); - { - descr_terrestrial_delivery_system_t *tds; - tds = (descr_terrestrial_delivery_system_t *) Ptr; - if (CheckBcdChar (tds->frequency1) && CheckBcdChar (tds->frequency2) && - CheckBcdChar (tds->frequency3) && CheckBcdChar (tds->frequency4)) - { - CreateTerrestrialDeliverySystemDescriptor (Descriptor, - BcdCharToInt (tds->frequency1) * 100 * 1000 * 1000 + - BcdCharToInt (tds->frequency2) * 1000 * 1000 + - BcdCharToInt (tds->frequency3) * 10 * 1000 + - BcdCharToInt (tds->frequency4) * 100, - tds->bandwidth, - tds->constellation, - tds->hierarchy, - tds->code_rate_HP, - tds->code_rate_LP, - tds->guard_interval, - tds->transmission_mode, - tds->other_frequency_flag - ); - } - /* else - { - fprintf (stderr, "Illegal cds descriptor\n"); - siDumpDescriptor (Buffer); - } */ - } - break; - - case DESCR_SERVICE_LIST: -// fprintf (stderr, "got descriptor 0x%x\n", GetDescriptorTag(Buffer)); - CreateServiceListDescriptor (Descriptor); - Length = GetDescriptorLength (Buffer) - DESCR_SERVICE_LIST_LEN; - Ptr += DESCR_SERVICE_LIST_LEN; - while (Length > 0) - { - AddServiceListEntry (Descriptor, - HILO (CastServiceListDescriptorLoop(Ptr)->service_id), - CastServiceListDescriptorLoop(Ptr)->service_type); - Length -= DESCR_SERVICE_LIST_LEN; - Ptr += DESCR_SERVICE_LIST_LEN; - } - break; - - case DESCR_LOCAL_TIME_OFF: - CreateLocalTimeOffsetDescriptor (Descriptor); - Length = GetDescriptorLength (Buffer) - DESCR_LOCAL_TIME_OFFSET_LEN; - Ptr += DESCR_LOCAL_TIME_OFFSET_LEN; - while (Length > 0) - { - time_t ct, co, no; - ct = MjdToEpochTime (CastLocalTimeOffsetEntry(Ptr)->time_of_change_mjd) + - BcdTimeToSeconds (CastLocalTimeOffsetEntry(Ptr)->time_of_change_time); - co = (BcdCharToInt(CastLocalTimeOffsetEntry(Ptr)->local_time_offset_h) * 3600 + - BcdCharToInt(CastLocalTimeOffsetEntry(Ptr)->local_time_offset_m) * 60) * - ((CastLocalTimeOffsetEntry(Ptr)->local_time_offset_polarity) ? -1 : 1); - no = (BcdCharToInt(CastLocalTimeOffsetEntry(Ptr)->next_time_offset_h) * 3600 + - BcdCharToInt(CastLocalTimeOffsetEntry(Ptr)->next_time_offset_m) * 60) * - ((CastLocalTimeOffsetEntry(Ptr)->local_time_offset_polarity) ? -1 : 1); - AddLocalTimeOffsetEntry (Descriptor, - CastLocalTimeOffsetEntry(Ptr)->country_code1, - CastLocalTimeOffsetEntry(Ptr)->country_code2, - CastLocalTimeOffsetEntry(Ptr)->country_code3, - CastLocalTimeOffsetEntry(Ptr)->country_region_id, co, ct, no); - Length -= LOCAL_TIME_OFFSET_ENTRY_LEN; - Ptr += LOCAL_TIME_OFFSET_ENTRY_LEN; - } - break; - - case DESCR_VIDEO_STREAM: - case DESCR_AUDIO_STREAM: - case DESCR_HIERARCHY: - case DESCR_REGISTRATION: - case DESCR_DATA_STREAM_ALIGN: - case DESCR_TARGET_BACKGRID: - case DESCR_VIDEO_WINDOW: - case DESCR_SYSTEM_CLOCK: - case DESCR_MULTIPLEX_BUFFER_UTIL: - case DESCR_COPYRIGHT: - case DESCR_MAXIMUM_BITRATE: - case DESCR_PRIVATE_DATA_IND: - case DESCR_SMOOTHING_BUFFER: - case DESCR_STD: - case DESCR_IBP: - case DESCR_VBI_DATA: - case DESCR_VBI_TELETEXT: - case DESCR_MOSAIC: - case DESCR_TELEPHONE: - case DESCR_ML_NW_NAME: - case DESCR_ML_BQ_NAME: - case DESCR_ML_SERVICE_NAME: - case DESCR_ML_COMPONENT: - case DESCR_PRIV_DATA_SPEC: - case DESCR_SERVICE_MOVE: - case DESCR_SHORT_SMOOTH_BUF: - case DESCR_FREQUENCY_LIST: - case DESCR_PARTIAL_TP_STREAM: - case DESCR_DATA_BROADCAST: - case DESCR_CA_SYSTEM: - case DESCR_DATA_BROADCAST_ID: - case DESCR_TRANSPORT_STREAM: - case DESCR_DSNG: - case DESCR_PDC: - case DESCR_CELL_LIST: - case DESCR_CELL_FREQ_LINK: - case DESCR_ANNOUNCEMENT_SUPPORT: - default: -// fprintf (stderr, "Unsupported descriptor with tag = 0x%02X\n", GetDescriptorTag(Ptr)); -// siDumpDescriptor (Buffer); - /* fprintf (stderr, "unsupported descriptor 0x%x\n", - GetDescriptorTag(Buffer)); */ - break; - } - if (Descriptor) xAddTail (Descriptors, Descriptor); - return; -} - - -/* - * ToDo: ETSI conformal text definition - */ -#define GDT_TEXT_DESCRIPTOR 0 -#define GDT_NAME_DESCRIPTOR 1 -char *siGetDescriptorTextHandler (u_char *, int , int ); - -char *siGetDescriptorTextHandler (u_char *Buffer, int Length, int type) -{ - char *tmp, *result; - int i; - - if ((Length < 0) || (Length > 4095)) - return (xSetText ("text error")); -/* ASSENIZATION: removing coding detection - suppose they are all ANSI */ - // if (*Buffer == 0x05 || (*Buffer >= 0x20 && *Buffer <= 0xff)) - { - xMemAlloc (Length+1, &result); - tmp = result; - for (i = 0; i < Length; i++) - { - if (*Buffer == 0) break; - - if ((*Buffer >= ' ' && *Buffer <= '~') || (*Buffer == '\n') || - (*Buffer >= 0xa0)) *tmp++ = *Buffer; - if (*Buffer == 0x8A) *tmp++ = '\n'; - if ((*Buffer == 0x86 || *Buffer == 0x87) && !(GDT_NAME_DESCRIPTOR & type)) *tmp++ = ' '; - Buffer++; - } - *tmp = '\0'; - } - /* else - { - switch (*Buffer) - { - case 0x01: result = xSetText ("Coding according to character table 1"); break; - case 0x02: result = xSetText ("Coding according to character table 2"); break; - case 0x03: result = xSetText ("Coding according to character table 3"); break; - case 0x04: result = xSetText ("Coding according to character table 4"); break; - case 0x10: result = xSetText ("Coding according to ISO/IEC 8859"); break; - case 0x11: result = xSetText ("Coding according to ISO/IEC 10646"); break; - case 0x12: result = xSetText ("Coding according to KSC 5601"); break; - default: result = xSetText ("Unknown coding"); break; - } - } */ - - return (result); -} - -char *siGetDescriptorText (u_char *Buffer, int Length) -{ - return siGetDescriptorTextHandler (Buffer, Length, GDT_TEXT_DESCRIPTOR); -} - -char *siGetDescriptorName (u_char *Buffer, int Length) -{ - return siGetDescriptorTextHandler (Buffer, Length, GDT_NAME_DESCRIPTOR); -} - - -// CRC32 lookup table for polynomial 0x04c11db7 - -static u_long crc_table[256] = { - 0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b, - 0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61, - 0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, 0x4c11db70, 0x48d0c6c7, - 0x4593e01e, 0x4152fda9, 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75, - 0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3, - 0x709f7b7a, 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039, - 0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58, 0xbaea46ef, - 0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d, - 0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49, 0xc7361b4c, 0xc3f706fb, - 0xceb42022, 0xca753d95, 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1, - 0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0, - 0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072, - 0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, 0x018aeb13, 0x054bf6a4, - 0x0808d07d, 0x0cc9cdca, 0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde, - 0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08, - 0x571d7dd1, 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba, - 0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, 0xbb60adfc, - 0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6, - 0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a, 0xe0b41de7, 0xe4750050, - 0xe9362689, 0xedf73b3e, 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2, - 0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34, - 0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637, - 0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb, 0x4f040d56, 0x4bc510e1, - 0x46863638, 0x42472b8f, 0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53, - 0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5, - 0x3f9b762c, 0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff, - 0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e, 0xf5ee4bb9, - 0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b, - 0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd, - 0xcda1f604, 0xc960ebb3, 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7, - 0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71, - 0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3, - 0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, 0x4e8ee645, 0x4a4ffbf2, - 0x470cdd2b, 0x43cdc09c, 0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8, - 0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e, - 0x18197087, 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec, - 0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, 0x2056cd3a, - 0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0, - 0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c, 0xe3a1cbc1, 0xe760d676, - 0xea23f0af, 0xeee2ed18, 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4, - 0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662, - 0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668, - 0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4}; - -static u_long crc32 (char *data, int len) -{ - register int i; - u_long crc = 0xffffffff; - - for (i=0; i<len; i++) - crc = (crc << 8) ^ crc_table[((crc >> 24) ^ *data++) & 0xff]; - - return crc; -} |