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vdr/libsi/headers.h
Klaus Schmidinger a26aae3ce8 Version 2.3.1 
VDR developer version 2.3.1 is now available at

       ftp://ftp.tvdr.de/vdr/Developer/vdr-2.3.1.tar.bz2

A 'diff' against the previous version is available at

       ftp://ftp.tvdr.de/vdr/Developer/vdr-2.2.0-2.3.1.diff

MD5 checksums:

391c2ed60e2f7d24563fe3ed5854bc4f  vdr-2.3.1.tar.bz2
983fd4bad7d19cd98301d54173107129  vdr-2.2.0-2.3.1.diff

WARNING:
========

This is a *developer* version. Even though *I* use it in my productive
environment, I strongly recommend that you only use it under controlled
conditions and for testing and debugging.

*** PLEASE BE VERY CAREFUL WHEN USING THIS DEVELOPER VERSION, ESPECIALLY
*** IF YOU ENABLE THE NEW SVDRP PEERING! KEEP BACKUPS OF ALL YOUR TIMERS
*** AND OBSERVE VERY CLOSELY WHETHER EVERYTHING WORKS AS EXPECTED. THIS
*** VERSION INTRODUCES SOME MAJOR CHANGES IN HANDLING GLOBAL LISTS AND
*** LOCKING, SO ANYTHING CAN HAPPEN! YOU HAVE BEEN WARNED!

The main focus of this developer version is on the new locking mechanism
for global lists, and the ability to handle remote timers.
Any plugins that access the global lists of timers, channels, schedules
or recordings, will need to be adjusted (see below for details). Please
do initial tests with plain vanilla VDR and just the output plugin you
need.

Known bugs/problems:

- After deleting the last recording in a sub folder, the cursor may not
   be positioned correctly.
- Instant recordings and pausing live video don't (yet) use the default
   SVDRP host for recording.

From the HISTORY file:
 - The new function cOsd::MaxPixmapSize() can be called to determine the maximum size
  a cPixmap may have on the current OSD. The 'osddemo' example has been modified
  accordingly. Plugin authors may want to use this function in case they use pixmaps
  that are larger than the full OSD size. The default implementation sets this limit
  to 2048x2048 pixel.
- The Setup/CAM menu now displays which device an individual CAM is currently
  assigned to (suggested by Frank Neumann).
- Added detection of 24fps (thanks to Thomas Reufer).
- Added a note about the VDR User Counter and VDR's facebook page to the README file.
- The dvbhddevice plugin is no longer part of the VDR source archive.
  You can get the latest version of this plugin from the author's repository at
  https://bitbucket.org/powARman/dvbhddevice.
- The dvbsddevice and rcu plugins are no longer part of the VDR source archive.
  You can get the latest versions of these plugins from ftp://ftp.tvdr.de/vdr/Plugins.
- Added a section about Output Devices to the INSTALL file.
- Fixed setting the source value of newly created channels, in case the NIT is
  received from a different, but very close satellite position (reported by Daniel
  Ribeiro). The code for handling different NITs has been removed from nit.c, because
  according to the DVB standard table id 0x40 carries only the NIT of the actual
  network.
- Added some comment to cPixmap about the relation between OSD, ViewPort and DrawPort
  (suggested by Thomas Reufer).
- Improved syncing on sections when parsing the NIT and SDT.
- Fixed scaling subtitles (their areas could sometimes extend outside the actual OSD).
- Reduced the priority of the "video directory scanner" thread (suggested by Thomas
  Reufer) and checking cIoThrottle::Engaged() when it is running.
- The script that gets called for recordings is now also called right before a
  recording is edited, with the first parameter being "editing" (suggested by
  Dieter Ferdinand).
- The new setup option "OSD/Default sort mode for recordings" can be used to define
  how recordings shall be sorted by default (either by time or by name, with "by time"
  being the default). If a particular sort mode has been selected for a folder by
  pressing '0', the default no longer applies to that folder. Repeating timers no
  longer write a ".sort" file into a recordings folder to have the recordings sorted
  by time.
- The command line option -D now accepts the value '-' (as in -D-), which prevents
  VDR from using any DVB devices (suggested by Dietmar Spingler).
- The -V and -h options now list the plugins in alphabetical order (suggested by
  Dietmar Spingler).
- Fixed a compiler warning in font.c.
- Commented out the line
  #define DEPRECATED_VIDEOSYSTEM
  in device.h. If a plugin doesn't compile with this version of VDR, you can uncomment
  this line as a quick workaround. In the long run the plugin will need to be adapted.
- The function cOsd::GetBitmap() is now 'protected'. If a plugin doesn't compile with
  this version of VDR, you can uncomment the line
  //#define DEPRECATED_GETBITMAP
  in osd.h as a quick workaround. In the long run the plugin will need to be adapted.
- The -u option now also accepts a numerical user id (suggested by Derek Kelly).
- The SVDRP port now accepts multiple concurrent connections. You can now keep an
  SVDRP connection open as long as you wish, without preventing others from
  connecting. Note, though, that SVDRP connections still get closed automatically
  if there has been no activity for 300 seconds (configurable via
  "Setup/Miscellaneous/SVDRP timeout (s)").
- The SVDRP log messages have been unified and now always contain the IP and port
  number of the remote host.
- SVDRP connections are now handled in a separate "SVDRP server handler" thread,
  which makes them more responsive. Note that there is only one thread that handles
  all concurrent SVDRP connections. That way each SVDRP command is guaranteed to be
  processed separately, without interfering with any other SVDRP commands that might
  be issued at the same time. Plugins that implement SVDRP commands may need to take
  care of proper locking if the commands access global data.
- VDR now sends out a broadcast to port 6419/udp, which was assigned to 'svdrp-disc'
  by the IANA. VDRs listening on that port will automatically initiate an SVDRP
  connection to the broadcasting VDR, and in turn send out a broadcast to make
  other VDRs connect to them. That way all VDRs within the local network will
  have permanent "peer-to-peer" SVDRP connections between each other. The
  configuration in the svdrphosts.conf file is taken into account when considering
  whether or not to respond to an SVDRP discover broadcast.
- The new SVDRP command PING is used by automatically established peer-to-peer
  connections to keep them alive.
- The new function GetSVDRPServerNames() can be used to get a list of all VDRs
  this VDR is connected to via SVDRP.
- The new function ExecSVDRPCommand() can be used to execute an SVDRP command on
  one of the servers this VDR is connected to, and retrieve the result.
  The helper functions SVDRPCode() and SVDRPValue() can be used to easily access
  the codes and values returned by ExecSVDRPCommand().
- The cTimer class now has a new member named 'remote', which holds the name of the
  remote server this timer will record on. If this is NULL, it is a local timer.
- Timers from other VDRs that are connected to this VDR via SVDRP are now
  automatically fetched and stored in the global Timers list. In order for this
  to work, all of the channels used by timers on the remote VDR must also be
  defined on the local VDR (however, not necessarily in the same sequence).
  Automatic channel syncing will be implemented later.
- The main menu of the LCARS skin now displays a small rectangle on the left side
  of a timer if this is a remote timer. The color of that rectangle changes if
  the timer is currently recording on the remote VDR.
- Accessing the global Timers list now has to be protected by proper locking,
  because SVDRP commands are now executed in a separate thread.
  The introduction of this locking mechanism required the following changes:
  + The new classes cStateLock and cStateKey are used to implement locking
    with quick detection of state changes.
  + cConfig::cConfig() now has a parameter that indicates whether this list
    requires locking.
  + The global lists of Timers, Channels, Schedules and Recordings are no longer
    static variables. They are now pointers that need to be retrieved through
    a call to cTimers::GetTimersRead/Write(), cChannels::GetChannelsRead/Write(),
    cSchedules::GetSchedulesRead/Write() and cRecordings::GetRecordingsRead/Write(),
    respectively.
  + References from/to link channels are now removed in cChannels::Del() rather
    than cChannel::~cChannel(), to make sure the caller holds a proper lock.
  + cChannel::HasTimer() has been removed. This information is now retrieved
    via cSchedule::HasTimer().
  + Several member functions of cChannel, cTimer, cMarks and cRecording have
    been made 'const', and some of them are now available as both 'const' and
    'non-const' versions.
  + The cChannel::Set...() functions are now 'bool' and return true if they have
    actually changed any of the channels's members.
  + cChannels::SetModified() has been renamed to cChannels::SetModifiedByUser().
  + cChannels::Modified() has been renamed to cChannels::ModifiedByUser(), and
    now has a 'State' parameter that allows the caller to see whether a channel
    has been modified since the last call to this function with the same State
    variable.
  + The macros CHANNELSMOD_NONE/_AUTO/_USER have been removed.
  + cMarks now requires locking via cStateKey.
  + cSortedTimers now requires a pointer to the list of timers.
  + cEvent::HasTimer() no longer scans the list of timers to check whether an event
    is referenced by a timer, but rather keeps score of how many timers reference
    it. This was necessary in order to avoid having to lock the list of timers from
    within a cEvent.
  + The new class cListGarbageCollector is used to temporary store any objects deleted
    from cLists that require locking. This allows pointers to such objects to be
    dereferenced even if the objects are no longer part of the list.
  + cListBase::Contains() can be used to check whether a particular object is still
    contained in that list.
  + Outdated events are no longer "phased out", but rather deleted right away and thus
    taken care of by the new "garbage collector" of the list.
  + Deleted cRecording objects are no longer kept in a list of "vanished" recordings,
    but are rather taken care of by the new "garbage collector" of the list.
  + cSchedules::ClearAll() has been removed. The functionality is now implemented
    directly in cSVDRPServer::CmdCLRE().
  + tEventID has been changed to u_int16_t in order to make room for the new member
    numTimers in cEvent.
  + cSchedule now has a member Modified(), which can be used with a State variable
    to quickly determine whether this schedule has been modified since the last call
    to this function with the same State variable.
  + cSchedulesLock has been removed. Locking the list of schedules is now done via
    the cList's new locking mechanism.
  + The 'OnlyRunningStatus' parameters in cEpgHandler::BeginSegmentTransfer() and
    cEpgHandler::EndSegmentTransfer() are now obsolete. They are still present in
    the interface for backward compatibility, but may be removed in a future version.
    Their value is always 'false'.
  + The constant tcMod is no longer used in cStatus::TimerChange(). The definition is
    still there for backward compatibility.
  Plugins that access the global lists of Timers, Channels, Recordings or Schedules
  will need to be adapted as follows:
  + Instead of directly accessing the global variables Timers, Channels or Recordings,
    they need to set up a cStateKey variable and call the proper getter function,
    as in
      cStateKey StateKey;
      if (const cTimers *Timers = cTimers::GetTimersRead(StateKey)) {
         // access the timers
         StateKey.Remove();
         }
    and
      cStateKey StateKey;
      if (cTimers *Timers = cTimers::GetTimersWrite(StateKey)) {
         // access the timers
         StateKey.Remove();
         }
    See timers.h, thread.h and tools.h for details on this new locking mechanism.
  + There are convenience macros for easily accessing these lists without having
    to explicitly set up a cStateKey and calling its Remove() function. These macros
    have the form LOCK_*_READ/WRITE (with '*' being TIMERS, CHANNELS, SCHEDULES or
    RECORDINGS). Simply put such a macro before the point where you need to access
    the respective list, and there will be a pointer named Timers, Channels, Schedules
    or Recordings, respectively, which is valid until the end of the current block.
  + If a plugin needs to access several of the global lists in parallel, locking must
    always be done in the sequence Timers, Channels, Recordings, Schedules. This is
    necessary to make sure that different threads that need to lock several lists at
    the same time don't end up in a deadlock.
  + Some pointer variables may need to be made 'const'. The compiler will tell you
    about these.
- cSectionSyncer has been improved to better handle missed sections.
- Added a missing initialization of 'seen' in cChannel's copy constructor.
- Background modifications of channels, timers and events are now displayed immediately
  in the corresponding menus.
- cEIT now checks the version of the tables before doing any processing, which saves
  a lot of locking and processing.
- If a timer is newly created with the Red button in the Schedule menu, and the timer
  is presented to the user in the "Edit timer" menu because it will start immediately,
  it now *must* be confirmed with "Ok" to set the timer. Otherwise the timer will not
  be created.
- Recordings and deleted recordings are now scanned in a single thread.
- The new SVDRP command POLL is used by automatically established peer-to-peer
  connections to trigger fetching remote timers.
- You can now set DumpSVDRPDataTransfer in svdrp.c to true to have all SVDRP
  communication printed to the console for debugging.
- Added a missing 'const' to cReceiver::Receive(), to protect the given Data from
  being modified.
- The SVDRP commands that deal with timers (DELT, LSTT, MODT, NEWT, NEXT and UPDT)
  as well as any log messages that refer to timers, now use a unique id for each
  timer, which remains valid as long as this instance of VDR is running. This means
  that timers are no longer continuously numbered from 1 to N in LSTT. There may be
  gaps in the sequence, in case timers have been deleted.
- The Timers menu now displays the name of the remote VDR in front of the timer's
  file name, if this is a remote timer.
- The new options "Setup/Miscellaneous/SVDRP peering", ".../SVDRP host name" and
  ".../SVDRP default host" can be used to configure automatic peering between VDRs
  in the same network. Peering is disabled by default and can be enabled by setting
  "SVDRP peering" to "yes".
- The function cTimer::ToText() no longer returns a newline character at the end of
  the string. The newline is now added by the caller as necessary. This was changed
  because cTimer::ToText() is now also needed in a context where the terminating
  newline can't be used. Consequently, cChannel::ToText() and cMark::ToText() have
  been modified accordingly.
- All timer related response strings from SVDRP commands now use the channel ID
  instead of channel numbers.
- The "Edit timer" menu now has a new parameter "Record on", which can be used to
  select the VDR on which this timer shall record. Timers can be freely moved
  between connected VDRs by simply selecting the desired machine in this field.
- The SVDRP command DELT no longer checks whether the timer that shall be deleted
  is currently recording.
- The character 0x0D is now stripped from EPG texts (reported by Janne Pänkälä).
- The EPG scanner no longer moves the dish if there is a positioner.
- The 'newplugin' script now creates the 'po' subdirectory for translations (thanks
  to Thomas Reufer).
- Skins can now implement cSkinDisplayMenu::MenuOrientation() to display horizontal
  menus (thanks to Stefan Braun).
- Fixed a possible stack overflow in cListBase::Sort() (thanks to Oliver Endriss).
- Changed the description of the --chartab option in the INSTALL file to refer to
  "DVB SI table strings" instead of "EPG data".
- The width and height of the OSD are now limited to the actual maximum dimensions
  of the output device, taking into account the top and left offset.
- The new setup option "Recording/Record key handling" can be used to define
  what happens if the Record key on the remote control is pressed during
  live tv (suggested by Dietmar Spingler).
- Empty adaptation field TS packets are now skipped when recording (thanks to
  Christopher Reimer, based on the "AFFcleaner" by Stefan Pöschel).
2015-09-18 00:04:12 +02:00

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/***************************************************************************
* *
* (C) 2001-03 Rolf Hakenes <hakenes@hippomi.de>, under the *
* GNU GPL with contribution of Oleg Assovski, *
* www.satmania.com *
* Adapted and extended by Marcel Wiesweg *
* *
* 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. *
* *
* $Id: headers.h 4.0 2013/10/30 10:16:18 kls Exp $
* *
***************************************************************************/
#ifndef LIBSI_HEADERS_H
#define LIBSI_HEADERS_H
#include <endian.h>
namespace SI {
typedef unsigned char u_char;
struct SectionHeader {
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;
};
struct ExtendedSectionHeader {
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 table_id_extension_hi :8;
u_char table_id_extension_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;
};
struct DescriptorHeader {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
/*
*
* 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
struct pat {
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;
};
#define PAT_PROG_LEN 4
struct pat_prog {
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)*/
};
/*
*
* 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.
*
*/
#define CAT_LEN 8
struct cat {
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 reserved_1 :8;
u_char reserved_2 :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;
};
/*
*
* 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
struct pmt {
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
};
#define PMT_INFO_LEN 5
struct pmt_info {
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
};
/*
*
* 4) Transport Stream Description Table (TSDT):
*
* - The TSDT carries a loop of descriptors that apply to
* the whole transport stream. The syntax and semantics
* of the TSDT are defined in newer versions of ISO/IEC 13818-1.
*
*/
#define TSDT_LEN 8
struct tsdt {
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 :8;
u_char :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;
};
/*
*
* 5) 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
struct nit {
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 */
};
#define SIZE_NIT_MID 2
struct nit_mid { // 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;
};
#define SIZE_NIT_END 4
struct nit_end {
long CRC;
};
#define NIT_TS_LEN 6
struct ni_ts {
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 */
};
/*
*
* 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.
*
*/
/* SEE NIT (It has the same structure but has different allowed descriptors) */
/*
*
* 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
struct sdt {
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;
};
#define GetSDTTransportStreamId(x) (HILO(((sdt_t *) x)->transport_stream_id))
#define GetSDTOriginalNetworkId(x) (HILO(((sdt_t *) x)->original_network_id))
#define SDT_DESCR_LEN 5
struct sdt_descr {
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;
};
/*
*
* 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
struct eit {
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 last_table_id :8;
};
#define EIT_EVENT_LEN 12
struct eit_event {
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;
};
/*
*
* 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.
*
*/
struct rst {
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;
};
struct rst_info {
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 event_id_hi :8;
u_char event_id_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :5;
u_char running_status :3;
#else
u_char running_status :3;
u_char :5;
#endif
};
/*
*
* 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
struct tdt {
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;
};
/*
*
* 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.
*
*/
#define TOT_LEN 10
struct tot {
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;
#if BYTE_ORDER == BIG_ENDIAN
u_char :4;
u_char descriptors_loop_length_hi :4;
#else
u_char descriptors_loop_length_hi :4;
u_char :4;
#endif
u_char descriptors_loop_length_lo :8;
};
/*
*
* 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 */
/*
*
* 3) Application Information Table (AIT):
*
* - the AIT contains data concerning MHP application broadcast by a service.
*
*/
#define AIT_LEN 10
struct ait {
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 application_type_hi :8;
u_char application_type_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 common_descriptors_length_hi :4;
#else
u_char common_descriptors_length_hi :4;
u_char :4;
#endif
u_char common_descriptors_length_lo :8;
};
#define SIZE_AIT_MID 2
struct ait_mid { // after descriptors
#if BYTE_ORDER == BIG_ENDIAN
u_char :4;
u_char application_loop_length_hi :4;
#else
u_char application_loop_length_hi :4;
u_char :4;
#endif
u_char application_loop_length_lo :8;
};
#define SIZE_AIT_END 4
struct ait_end {
long CRC;
};
#define AIT_APP_LEN 9
struct ait_app {
//how to deal with 32 bit fields?
u_char organisation_id_hi_hi :8;
u_char organisation_id_hi_lo :8;
u_char organisation_id_lo_hi :8;
u_char organisation_id_lo_lo :8;
//long organisation_id :32;
u_char application_id_hi :8;
u_char application_id_lo :8;
u_char application_control_code :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :4;
u_char application_descriptors_length_hi :4;
#else
u_char application_descriptors_length_hi :4;
u_char :4;
#endif
u_char application_descriptors_length_lo :8;
/* descriptors */
};
/* Premiere Content Information Table */
#define PCIT_LEN 17
struct pcit {
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 :8;
u_char :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 contentId_hi_hi :8;
u_char contentId_hi_lo :8;
u_char contentId_lo_hi :8;
u_char contentId_lo_lo :8;
u_char duration_h :8;
u_char duration_m :8;
u_char duration_s :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :4;
u_char descriptors_loop_length_hi :4;
#else
u_char descriptors_loop_length_hi :4;
u_char :4;
#endif
u_char descriptors_loop_length_lo :8;
};
/*
*
* 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
struct descr_gen {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
#define GetDescriptorTag(x) (((descr_gen_t *) x)->descriptor_tag)
#define GetDescriptorLength(x) (((descr_gen_t *) x)->descriptor_length+DESCR_GEN_LEN)
/* 0x09 ca_descriptor */
#define DESCR_CA_LEN 6
struct descr_ca {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char CA_type_hi :8;
u_char CA_type_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char reserved :3;
u_char CA_PID_hi :5;
#else
u_char CA_PID_hi :5;
u_char reserved :3;
#endif
u_char CA_PID_lo :8;
};
/* 0x0A iso_639_language_descriptor */
#define DESCR_ISO_639_LANGUAGE_LEN 5
struct descr_iso_639_language {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
struct descr_iso_639_language_loop {
u_char lang_code1 :8;
u_char lang_code2 :8;
u_char lang_code3 :8;
u_char audio_type :8;
};
/* 0x13 carousel_identifier_descriptor */
#define DESCR_CAROUSEL_IDENTIFIER_LEN 7
struct descr_carousel_identifier {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char carousel_id_hi_hi :8;
u_char carousel_id_hi_lo :8;
u_char carousel_id_lo_hi :8;
u_char carousel_id_lo_lo :8;
u_char FormatId :8;
/* FormatSpecifier follows */
};
/* 0x40 network_name_descriptor */
#define DESCR_NETWORK_NAME_LEN 2
struct descr_network_name {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
/* 0x41 service_list_descriptor */
#define DESCR_SERVICE_LIST_LEN 2
struct descr_service_list {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
#define DESCR_SERVICE_LIST_LOOP_LEN 3
struct descr_service_list_loop {
u_char service_id_hi :8;
u_char service_id_lo :8;
u_char service_type :8;
};
/* 0x42 stuffing_descriptor */
#define DESCR_STUFFING_LEN XX
struct descr_stuffing {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
};
/* 0x43 satellite_delivery_system_descriptor */
#define DESCR_SATELLITE_DELIVERY_SYSTEM_LEN 13
struct descr_satellite_delivery_system {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char frequency_hi_hi :8;
u_char frequency_hi_lo :8;
u_char frequency_lo_hi :8;
u_char frequency_lo_lo :8;
u_char orbital_position_hi :8;
u_char orbital_position_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char west_east_flag :1;
u_char polarization :2;
u_char roll_off :2;
u_char modulation_system :1;
u_char modulation_type :2;
#else
u_char modulation_type :2;
u_char modulation_system :1;
u_char roll_off :2;
u_char polarization :2;
u_char west_east_flag :1;
#endif
u_char symbol_rate_hi_hi :8;
u_char symbol_rate_hi_lo :8;
u_char symbol_rate_lo_1 :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char symbol_rate_lo_2 :4;
u_char fec_inner :4;
#else
u_char fec_inner :4;
u_char symbol_rate_lo_2 :4;
#endif
};
/* 0x44 cable_delivery_system_descriptor */
#define DESCR_CABLE_DELIVERY_SYSTEM_LEN 13
struct descr_cable_delivery_system {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char frequency_hi_hi :8;
u_char frequency_hi_lo :8;
u_char frequency_lo_hi :8;
u_char frequency_lo_lo :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_rate_hi_hi :8;
u_char symbol_rate_hi_lo :8;
u_char symbol_rate_lo_1 :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char symbol_rate_lo_2 :4;
u_char fec_inner :4;
#else
u_char fec_inner :4;
u_char symbol_rate_lo_2 :4;
#endif
};
/* 0x45 vbi_data_descriptor */
#define DESCR_VBI_DATA_LEN XX
struct descr_vbi_data {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
};
/* 0x46 vbi_teletext_descriptor */
#define DESCR_VBI_TELETEXT_LEN XX
struct descr_vbi_teletext {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
};
/* 0x47 bouquet_name_descriptor */
#define DESCR_BOUQUET_NAME_LEN 2
struct descr_bouquet_name {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
/* 0x48 service_descriptor */
#define DESCR_SERVICE_LEN 4
struct descr_service {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char service_type :8;
u_char provider_name_length :8;
};
struct descr_service_mid {
u_char service_name_length :8;
};
/* 0x49 country_availability_descriptor */
#define DESCR_COUNTRY_AVAILABILITY_LEN 3
struct descr_country_availability {
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
};
/* 0x4A linkage_descriptor */
#define DESCR_LINKAGE_LEN 9
struct descr_linkage {
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;
};
#define DESCR_LINKAGE_8_LEN 3
struct descr_linkage_8 {
#if BYTE_ORDER == BIG_ENDIAN
u_char hand_over_type :4;
u_char reserved :3;
u_char origin_type :1;
#else
u_char origin_type :1;
u_char reserved :3;
u_char hand_over_type :4;
#endif
u_char id_hi :8;
u_char id_lo :8;
};
/* 0x4B nvod_reference_descriptor */
#define DESCR_NVOD_REFERENCE_LEN 2
struct descr_nvod_reference {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
#define ITEM_NVOD_REFERENCE_LEN 6
struct item_nvod_reference {
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;
};
/* 0x4C time_shifted_service_descriptor */
#define DESCR_TIME_SHIFTED_SERVICE_LEN 4
struct descr_time_shifted_service {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char reference_service_id_hi :8;
u_char reference_service_id_lo :8;
};
/* 0x4D short_event_descriptor */
#define DESCR_SHORT_EVENT_LEN 6
struct descr_short_event {
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;
};
struct descr_short_event_mid {
u_char text_length :8;
};
/* 0x4E extended_event_descriptor */
#define DESCR_EXTENDED_EVENT_LEN 7
struct descr_extended_event {
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;
};
struct descr_extended_event_mid {
u_char text_length :8;
};
#define ITEM_EXTENDED_EVENT_LEN 1
struct item_extended_event {
u_char item_description_length :8;
};
struct item_extended_event_mid {
u_char item_length :8;
};
/* 0x4F time_shifted_event_descriptor */
#define DESCR_TIME_SHIFTED_EVENT_LEN 6
struct descr_time_shifted_event {
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;
};
/* 0x50 component_descriptor */
#define DESCR_COMPONENT_LEN 8
struct descr_component {
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;
};
/* 0x51 mosaic_descriptor */
#define DESCR_MOSAIC_LEN XX
struct descr_mosaic {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
};
/* 0x52 stream_identifier_descriptor */
#define DESCR_STREAM_IDENTIFIER_LEN 3
struct descr_stream_identifier {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char component_tag :8;
};
/* 0x53 ca_identifier_descriptor */
#define DESCR_CA_IDENTIFIER_LEN 2
struct descr_ca_identifier {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
/* 0x54 content_descriptor */
#define DESCR_CONTENT_LEN 2
struct descr_content {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
struct nibble_content {
#if BYTE_ORDER == BIG_ENDIAN
u_char content_nibble_level_1 :4;
u_char content_nibble_level_2 :4;
#else
u_char content_nibble_level_2 :4;
u_char content_nibble_level_1 :4;
#endif
#if BYTE_ORDER == BIG_ENDIAN
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;
#endif
};
/* 0x55 parental_rating_descriptor */
#define DESCR_PARENTAL_RATING_LEN 2
struct descr_parental_rating {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
#define PARENTAL_RATING_LEN 4
struct parental_rating {
u_char lang_code1 :8;
u_char lang_code2 :8;
u_char lang_code3 :8;
u_char rating :8;
};
/* 0x56 teletext_descriptor */
#define DESCR_TELETEXT_LEN 2
struct descr_teletext {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
#define ITEM_TELETEXT_LEN 5
struct item_teletext {
u_char lang_code1 :8;
u_char lang_code2 :8;
u_char lang_code3 :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char type :5;
u_char magazine_number :3;
#else
u_char magazine_number :3;
u_char type :5;
#endif
u_char page_number :8;
};
/* 0x57 telephone_descriptor */
#define DESCR_TELEPHONE_LEN XX
struct descr_telephone {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
};
/* 0x58 local_time_offset_descriptor */
#define DESCR_LOCAL_TIME_OFFSET_LEN 2
struct descr_local_time_offset {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
#define LOCAL_TIME_OFFSET_ENTRY_LEN 15
struct local_time_offset_entry {
u_char country_code1 :8;
u_char country_code2 :8;
u_char country_code3 :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char country_region_id :6;
u_char :1;
u_char local_time_offset_polarity :1;
#else
u_char local_time_offset_polarity :1;
u_char :1;
u_char country_region_id :6;
#endif
u_char local_time_offset_h :8;
u_char local_time_offset_m :8;
u_char time_of_change_mjd_hi :8;
u_char time_of_change_mjd_lo :8;
u_char time_of_change_time_h :8;
u_char time_of_change_time_m :8;
u_char time_of_change_time_s :8;
u_char next_time_offset_h :8;
u_char next_time_offset_m :8;
};
/* 0x59 subtitling_descriptor */
#define DESCR_SUBTITLING_LEN 2
struct descr_subtitling {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
#define ITEM_SUBTITLING_LEN 8
struct item_subtitling {
u_char lang_code1 :8;
u_char lang_code2 :8;
u_char lang_code3 :8;
u_char subtitling_type :8;
u_char composition_page_id_hi :8;
u_char composition_page_id_lo :8;
u_char ancillary_page_id_hi :8;
u_char ancillary_page_id_lo :8;
};
/* 0x5A terrestrial_delivery_system_descriptor */
#define DESCR_TERRESTRIAL_DELIVERY_SYSTEM_LEN XX
struct descr_terrestrial_delivery {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char frequency_hi_hi :8;
u_char frequency_hi_lo :8;
u_char frequency_lo_hi :8;
u_char frequency_lo_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char bandwidth :3;
u_char priority :1;
u_char time_slicing_indicator :1;
u_char mpe_fec_indicator :1;
u_char reserved1 :2;
#else
u_char reserved1 :2;
u_char mpe_fec_indicator :1;
u_char time_slicing_indicator :1;
u_char priority :1;
u_char bandwidth :3;
#endif
#if BYTE_ORDER == BIG_ENDIAN
u_char constellation :2;
u_char hierarchy :3;
u_char code_rate_HP :3;
#else
u_char code_rate_HP :3;
u_char hierarchy :3;
u_char constellation :2;
#endif
#if BYTE_ORDER == BIG_ENDIAN
u_char code_rate_LP :3;
u_char guard_interval :2;
u_char transmission_mode :2;
u_char other_frequency_flag :1;
#else
u_char other_frequency_flag :1;
u_char transmission_mode :2;
u_char guard_interval :2;
u_char code_rate_LP :3;
#endif
u_char reserver2 :8;
u_char reserver3 :8;
u_char reserver4 :8;
u_char reserver5 :8;
};
/* 0x5B multilingual_network_name_descriptor */
#define DESCR_MULTILINGUAL_NETWORK_NAME_LEN XX
struct descr_multilingual_network_name {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
struct entry_multilingual_name {
u_char lang_code1 :8;
u_char lang_code2 :8;
u_char lang_code3 :8;
u_char text_length :8;
};
/* 0x5C multilingual_bouquet_name_descriptor */
#define DESCR_MULTILINGUAL_BOUQUET_NAME_LEN XX
struct descr_multilingual_bouquet_name {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
/* 0x5D multilingual_service_name_descriptor */
#define DESCR_MULTILINGUAL_SERVICE_NAME_LEN XX
struct descr_multilingual_service_name {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
struct entry_multilingual_service_name_mid {
u_char service_name_length :8;
};
/* 0x5E multilingual_component_descriptor */
#define DESCR_MULTILINGUAL_COMPONENT_LEN XX
struct descr_multilingual_component {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char component_tag :8;
};
/* 0x5F private_data_specifier_descriptor */
#define DESCR_PRIVATE_DATA_SPECIFIER_LEN XX
struct descr_private_data_specifier {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char private_data_specifier_hi_hi :8;
u_char private_data_specifier_hi_lo :8;
u_char private_data_specifier_lo_hi :8;
u_char private_data_specifier_lo_lo :8;
};
/* 0x60 service_move_descriptor */
#define DESCR_SERVICE_MOVE_LEN XX
struct descr_service_move {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char new_original_network_id_hi :8;
u_char new_original_network_id_lo :8;
u_char new_transport_stream_id_hi :8;
u_char new_transport_stream_id_lo :8;
u_char new_service_id_hi :8;
u_char new_service_id_lo :8;
};
/* 0x61 short_smoothing_buffer_descriptor */
#define DESCR_SHORT_SMOOTHING_BUFFER_LEN XX
struct descr_short_smoothing_buffer {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
};
/* 0x62 frequency_list_descriptor */
#define DESCR_FREQUENCY_LIST_LEN XX
struct descr_frequency_list {
u_char descriptor_tag :8;
u_char descriptor_length :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :6;
u_char coding_type :2;
#else
u_char coding_type :2;
u_char :6;
#endif
};
/* 0x63 partial_transport_stream_descriptor */
#define DESCR_PARTIAL_TRANSPORT_STREAM_LEN XX
struct descr_partial_transport_stream {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
};
/* 0x64 data_broadcast_descriptor */
#define DESCR_DATA_BROADCAST_LEN XX
struct descr_data_broadcast {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
};
/* 0x65 scrambling_descriptor */
#define DESCR_SCRAMBLING_LEN XX
struct descr_scrambling {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
};
/* 0x66 data_broadcast_id_descriptor */
#define DESCR_DATA_BROADCAST_ID_LEN XX
struct descr_data_broadcast_id {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
};
/* 0x67 transport_stream_descriptor */
#define DESCR_TRANSPORT_STREAM_LEN XX
struct descr_transport_stream {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
};
/* 0x68 dsng_descriptor */
#define DESCR_DSNG_LEN XX
struct descr_dsng {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
};
/* 0x69 pdc_descriptor */
#define DESCR_PDC_LEN 5
struct descr_pdc {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char pil0 :8;
u_char pil1 :8;
u_char pil2 :8;
};
/* 0x6A ac3_descriptor */
#define DESCR_AC3_LEN 3
struct descr_ac3 {
u_char descriptor_tag :8;
u_char descriptor_length :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char ac3_type_flag :1;
u_char bsid_flag :1;
u_char mainid_flag :1;
u_char asvc_flag :1;
u_char reserved :4;
#else
u_char reserved :4;
u_char asvc_flag :1;
u_char mainid_flag :1;
u_char bsid_flag :1;
u_char ac3_type_flag :1;
#endif
u_char ac3_type :8;
u_char bsid :8;
u_char mainid :8;
u_char asvc :8;
};
/* 0x6B ancillary_data_descriptor */
#define DESCR_ANCILLARY_DATA_LEN 3
struct descr_ancillary_data {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char ancillary_data_identifier :8;
};
/* 0x6C cell_list_descriptor */
#define DESCR_CELL_LIST_LEN XX
struct descr_cell_list {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
};
/* 0x6D cell_frequency_link_descriptor */
#define DESCR_CELL_FREQUENCY_LINK_LEN XX
struct descr_cell_frequency_link {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
};
/* 0x6E announcement_support_descriptor */
#define DESCR_ANNOUNCEMENT_SUPPORT_LEN XX
struct descr_announcement_support {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* TBD */
};
/* 0x6F application_signalling_descriptor */
#define DESCR_APPLICATION_SIGNALLING_LEN 2
struct descr_application_signalling {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
#define APPLICATION_SIGNALLING_ENTRY_LEN 3
struct application_signalling_entry {
u_char application_type_hi :8;
u_char application_type_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :3;
u_char AIT_version_number :5;
#else
u_char AIT_version_number :5;
u_char :3;
#endif
};
/* 0x71 service_identifier_descriptor (ETSI TS 102 812, MHP) */
struct descr_service_identifier {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
/* 0x72 service_availbility_descriptor */
struct descr_service_availbility {
u_char descriptor_tag :8;
u_char descriptor_length :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char availability_flag :1;
u_char reserved :7;
#else
u_char reserved :7;
u_char availability_flag :1;
#endif
};
/* 0x73 default_authority_descriptor (ETSI TS 102 323) */
struct descr_default_authority {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
/* 0x74 related_content_descriptor (ETSI TS 102 323) */
struct descr_related_content {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
/* 0x75 tva_id_descriptor (ETSI TS 102 323) */
struct descr_tva_id {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
/* 0x76 content_identifier_descriptor (ETSI TS 102 323) */
struct descr_content_identifier {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
struct content_identifier_entry {
#if BYTE_ORDER == BIG_ENDIAN
u_char crid_type :6;
u_char crid_location :2;
#else
u_char crid_location :2;
u_char crid_type :6;
#endif
union {
u_char crid_length :8;
u_char crid_ref_hi :8;
};
union {
u_char crid_byte :8;
u_char crid_ref_lo :8;
};
};
/* 0x77 time_slice_fec_identifier_descriptor (ETSI EN 301 192) */
struct descr_time_slice_fec_identifier {
u_char descriptor_tag :8;
u_char descriptor_length :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char time_slicing :1;
u_char mpe_fec :2;
u_char reserved :2;
u_char frame_size :3;
#else
u_char frame_size :3;
u_char reserved :2;
u_char mpe_fec :2;
u_char time_slicing :1;
#endif
u_char max_burst_duration :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char max_average_rate :4;
u_char time_slice_fec_id :4;
#else
u_char time_slice_fec_id :4;
u_char max_average_rate :4;
#endif
};
/* 0x78 ecm_repetition_rate_descriptor (ETSI EN 301 192) */
struct descr_ecm_repetition_rate {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char ca_system_id_hi :8;
u_char ca_system_id_lo :8;
u_char ecm_repetition_rate_hi :8;
u_char ecm_repetition_rate_lo :8;
};
/* 0x79 s2_satellite_delivery_system_descriptor */
struct descr_s2_satellite_delivery_system {
u_char descriptor_tag :8;
u_char descriptor_length :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char scrambling_sequence_selector :1;
u_char multiple_input_stream_flag :1;
u_char backwards_compatibility_indicator :1;
u_char reserved :5;
#else
u_char reserved :5;
u_char backwards_compatibility_indicator :1;
u_char multiple_input_stream_flag :1;
u_char scrambling_sequence_selector :1;
#endif
};
struct descr_scrambling_sequence_selector {
#if BYTE_ORDER == BIG_ENDIAN
u_char reserved :6;
u_char scrambling_sequence_index_hi_lo :2;
#else
u_char scrambling_sequence_index_hi_lo :2;
u_char reserved :6;
#endif
u_char scrambling_sequence_index_lo_hi :8;
u_char scrambling_sequence_index_lo_lo :8;
};
/* 0x7A enhanced_ac3_descriptor */
struct descr_enhanced_ac3 {
u_char descriptor_tag :8;
u_char descriptor_length :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char component_type_flag :1;
u_char bsid_flag :1;
u_char mainid_flag :1;
u_char asvc_flag :1;
u_char mixinfoexists :1;
u_char substream1_flag :1;
u_char substream2_flag :1;
u_char substream3_flag :1;
#else
u_char substream3_flag :1;
u_char substream2_flag :1;
u_char substream1_flag :1;
u_char mixinfoexists :1;
u_char asvc_flag :1;
u_char mainid_flag :1;
u_char bsid_flag :1;
u_char component_type_flag :1;
#endif
};
/* 0x7B dts_descriptor */
struct descr_dts {
u_char descriptor_tag :8;
u_char descriptor_length :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char sample_rate_code :4;
u_char bit_rate_code :6;
u_char nblks :7;
u_char fsize_hi :6;
u_char fsize_lo :8;
u_char surround_mode :6;
u_char lfe_flag :1;
u_char extended_surround_flag :2;
#else
u_char extended_surround_flag :2;
u_char lfe_flag :1;
u_char surround_mode :6;
u_char fsize_lo :8;
u_char fsize_hi :6;
u_char nblks :7;
u_char bit_rate_code :6;
u_char sample_rate_code :4;
#endif
};
/* 0x7C aac_descriptor */
struct descr_aac {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char profile_and_level :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char aac_type_flag :1;
u_char reserved :7;
#else
u_char reserved :7;
u_char aac_type_flag :1;
#endif
};
/* 0x7F extension_descriptor */
struct descr_extension {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char descriptor_tag_extension :8;
};
/* extension 0x04 t2_delivery_system_descriptor */
struct descr_t2_delivery_system {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char descriptor_tag_extension :8;
u_char plp_id :8;
u_char t2_system_id_hi :8;
u_char t2_system_id_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char siso_miso :2;
u_char bandwidth :4;
u_char reserved :2;
u_char guard_interval :3;
u_char transmission_mode :3;
u_char other_frequency_flag :1;
u_char tfs_flag :1;
#else
u_char reserved :2;
u_char bandwidth :4;
u_char siso_miso :2;
u_char tfs_flag :1;
u_char other_frequency_flag :1;
u_char transmission_mode :3;
u_char guard_interval :3;
#endif
/* now follow cell_id, frequency_loop_length, centre_frequency,
subcell_info_loop_length, cell_id_extension, transposer_frequency
fields looping to the end */
};
/* 0x83 logical_channel_descriptor */
#define DESCR_LOGICAL_CHANNEL_LEN 2
struct descr_logical_channel {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
#define ITEM_LOGICAL_CHANNEL_LEN 4
struct item_logical_channel {
u_char service_id_hi :8;
u_char service_id_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char visible_service_flag :1;
u_char reserved :5;
u_char logical_channel_number_hi :2;
#else
u_char logical_channel_number_hi :2;
u_char reserved :5;
u_char visible_service_flag :1;
#endif
u_char logical_channel_number_lo :8;
};
/* 0x88 hd_simulcast_logical_channel_descriptor */
#define DESCR_HD_SIMULCAST_LOGICAL_CHANNEL_LEN 2
struct descr_hd_simulcast_logical_channel {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
#define ITEM_HD_SIMULCAST_LOGICAL_CHANNEL_LEN 4
struct item_hd_simulcast_logical_channel {
u_char service_id_hi :8;
u_char service_id_lo :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char visible_service_flag :1;
u_char reserved :5;
u_char logical_channel_number_hi :2;
#else
u_char logical_channel_number_hi :2;
u_char reserved :5;
u_char visible_service_flag :1;
#endif
u_char logical_channel_number_lo :8;
};
/* MHP 0x00 application_descriptor */
#define DESCR_APPLICATION_LEN 3
struct descr_application {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char application_profiles_length :8;
};
#define DESCR_APPLICATION_END_LEN 2
struct descr_application_end {
#if BYTE_ORDER == BIG_ENDIAN
u_char service_bound_flag :1;
u_char visibility :2;
u_char :5;
#else
u_char :5;
u_char visibility :2;
u_char service_bound_flag :1;
#endif
u_char application_priority :8;
/*now follow 8bit transport_protocol_label fields to the end */
};
#define APPLICATION_PROFILE_ENTRY_LEN 5
struct application_profile_entry {
u_char application_profile_hi :8;
u_char application_profile_lo :8;
u_char version_major :8;
u_char version_minor :8;
u_char version_micro :8;
};
/* MHP 0x01 application_name_desriptor */
#define DESCR_APPLICATION_NAME_LEN 2
struct descr_application_name {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
#define APPLICATION_NAME_ENTRY_LEN 4
struct descr_application_name_entry {
u_char lang_code1 :8;
u_char lang_code2 :8;
u_char lang_code3 :8;
u_char application_name_length :8;
/* application name string */
};
/* MHP 0x02 transport_protocol_descriptor */
#define DESCR_TRANSPORT_PROTOCOL_LEN 5
struct descr_transport_protocol {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char protocol_id_hi :8;
u_char protocol_id_lo :8;
u_char transport_protocol_label :8;
/* protocol_id-specific selector bytes follow */
};
struct descr_url_extension_entry {
u_char url_extension_length :8;
/* URL extension string */
};
#define TRANSPORT_VIA_OC_LEN 1
struct transport_via_oc {
#if BYTE_ORDER == BIG_ENDIAN
u_char remote :1;
u_char :7;
#else
u_char :7;
u_char remote :1;
#endif
};
//if remote is true, transport_via_oc_remote_end_t follows,
// else transport_via_oc_end_t.
#define TRANSPORT_VIA_OC_REMOTE_END_LEN 7
struct transport_via_oc_remote_end {
u_char original_network_id_hi :8;
u_char original_network_id_lo :8;
u_char transport_stream_id_hi :8;
u_char transport_stream_id_lo :8;
u_char service_id_hi :8;
u_char service_id_lo :8;
u_char component_tag :8;
};
#define TRANSPORT_VIA_OC_END_LEN 1
struct transport_via_oc_end {
u_char component_tag :8;
};
#define TRANSPORT_VIA_HTTP_LEN 1
struct transport_via_http {
u_char url_base_length :8;
};
/* 0x03 dvb_j_application_descriptor() */
#define DESCR_DVBJ_APPLICATION_LEN 2
struct descr_dvbj_application {
u_char descriptor_tag :8;
u_char descriptor_length :8;
};
#define DESCR_DVBJ_APPLICATION_ENTRY_LEN 1
struct descr_dvbj_application_entry {
u_char parameter_length :8;
/* parameter string */
};
/* 0x04 dvb_j_application_location_descriptor */
#define DESCR_DVBJ_APPLICATION_LOCATION_LEN 3
struct descr_dvbj_application_location {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char base_directory_length :8;
/* base directory string */
};
#define DESCR_DVBJ_APPLICATION_LOCATION_MID_LEN 1
struct descr_dvbj_application_location_mid {
u_char classpath_extension_length :8;
};
/* 0x0B application_icons_descriptor */
#define DESCR_APPLICATION_ICONS_LEN 3
struct descr_application_icons_descriptor {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char icon_locator_length :8;
/* icon locator */
};
#define DESCR_APPLICATION_ICONS_END_LEN 2
struct descr_application_icons_descriptor_end {
u_char icon_flags_hi :8;
u_char icon_flags_lo :8;
};
/* 0x15 simple application location descrptor */
#define DESCR_SIMPLE_APPLICATION_LOCATION_LEN 3
struct descr_simple_application_location_descriptor {
u_char descriptor_tag :8;
u_char descriptor_length :8;
/* initial_path_bytes */
};
// Private DVB Descriptor Premiere.de
// 0xF2 Content Transmission Descriptor
// http://dvbsnoop.sourceforge.net/examples/example-private-section.html
#define DESCR_PREMIERE_CONTENT_TRANSMISSION_LEN 8
struct descr_premiere_content_transmission {
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;
};
#define ITEM_PREMIERE_CONTENT_TRANSMISSION_DAY_LEN 3
struct item_premiere_content_transmission_day {
u_char mjd_hi :8;
u_char mjd_lo :8;
u_char start_time_loop :8;
};
#define ITEM_PREMIERE_CONTENT_TRANSMISSION_TIME_LEN 3
struct item_premiere_content_transmission_time {
u_char start_time_h :8;
u_char start_time_m :8;
u_char start_time_s :8;
};
/* 0x05 registration_descriptor */
#define DESCR_REGISTRATION_LEN 6
struct descr_registration {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char format_identifier_hi_hi :8;
u_char format_identifier_hi_lo :8;
u_char format_identifier_lo_hi :8;
u_char format_identifier_lo_lo :8;
};
/* 0x28 avc_descriptor */
#define DESCR_AVC_LEN 6
struct descr_avc {
u_char descriptor_tag :8;
u_char descriptor_length :8;
u_char profile_idc :8;
u_char constraint_set0_flag :1;
u_char constraint_set1_flag :1;
u_char constraint_set2_flag :1;
u_char constraint_set3_flag :1;
u_char constraint_set4_flag :1;
u_char constraint_set5_flag :1;
u_char avc_compatible_flags :2;
u_char level_idc :8;
u_char avc_still_present :1;
u_char avc_24_hour_picture_flag :1;
u_char frame_packing_sei_not_present_flag :1;
u_char reserved :5;
};
} //end of namespace
#endif //LIBSI_HEADERS_H
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