mirror of
https://github.com/vdr-projects/vdr.git
synced 2025-03-01 10:50:46 +00:00
1a8a081629
- Completely switched to the new CVS HEAD version of the linux-dvb driver. The NEWSTRUCT compile time switch is now obsolete. The required driver is now the CVS HEAD version dated 2002-11-01 or later. - Adjusted the INSTALL file to the 1.1.x version. - Only accepting key presses from the current remote control when learning (thanks to Oliver Endriss). - Fixed the EPG scanner, which broke 'Transfer Mode' as soon as it kicked in (thanks to Oliver Endriss for reporting this one). - Fixed handling audio tracks in cDvbDevice. - Updated channels.conf.terr (thanks to Uwe Scheffler). - Fixed displaying the group separators in the channel display (thanks to Martin Hammerschmid for pointing out this one). - The Makefile now includes the file Make.config (if present in the VDR source directory), which allows the user to overwrite several settings with individual values (suggested by Andreas Schultz). The VDR distribution archive does not contain this file in order to not overwrite a user defined file. There is a Make.config.template which contains the default values of the macros the user can overwrite. - Since there have been changes to the 'newplugin' script authors of plugins may want to newly create their plugins' Makefiles with the new version of this script, and adapt them to their individual needs (make sure you don't overwrite your existing plugin directory - make a backup copy first!). - Fixed reading EPG data via the SVDRP command PUTE (it changed the current service ID). - Fixed closing all dup'ed file descriptors in cPipe. - Implemented a plugin interface for additional audio processing (see PLUGINS.html under "Dolby Digital"). The functionality of the '-a' command line option has been reactivated. Since the author doesn't have any Dolby Digital equipment this may or may not work as expected. There may still be some places where a call to cAudios::Clear() or cAudios::Mute() is necessary. Those with Dolby Digital equipment should please take a look at this and maybe send patches. Replaying Dolby Digital in ways other than through VDR's '-a' option will have to be implemented as plugins. Those who have written patches for VDR version 1.0.x should convert their work into the proper plugins for version 1.1.x. Note to authors of cPlayer derived plugins: please read the modified comments in device.h regarding the member functions cDevice::Clear(), cDevice::Mute() and cDevice::PlayAudio(). Derived classes must call these base class member functions to make sure all registered cAudio objects are properly handled. Also note that the return type of cDevice::PlayAudio() has been changed to 'void', since this function always has to accept the entire data block immediately and there is nothing that could be reasonably done in case an error occurs in one of the cAudio objects. - Now checking the driver's DVB_API_VERSION in dvbdevice.h. Since VDR now requires a driver dated 2002-11-01 or later the MIN_DVB_DRIVER_VERSION_FOR_TIMESHIFT and DVB_DRIVER_VERSION stuff has been replaced with DO_REC_AND_PLAY_ON_PRIMARY_DEVICE, which can be used to disable simultaneous recording and replaying on the primary DVB device in case there are problems with this.
1270 lines
35 KiB
C
1270 lines
35 KiB
C
/***************************************************************************
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eit.c - description
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-------------------
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begin : Fri Aug 25 2000
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copyright : (C) 2000 by Robert Schneider
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email : Robert.Schneider@web.de
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2001-08-15: Adapted to 'libdtv' by Rolf Hakenes <hakenes@hippomi.de>
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* $Id: eit.c 1.59 2002/11/02 12:46:53 kls Exp $
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***************************************************************************/
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#include "eit.h"
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#include <ctype.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <linux/dvb/dmx.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <sys/poll.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <time.h>
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#include <unistd.h>
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#include "channels.h"
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#include "config.h"
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#include "libdtv/libdtv.h"
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#include "videodir.h"
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// --- cMJD ------------------------------------------------------------------
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class cMJD {
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public:
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cMJD();
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cMJD(u_char date_hi, u_char date_lo);
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cMJD(u_char date_hi, u_char date_lo, u_char timehr, u_char timemi, u_char timese);
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~cMJD();
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/** */
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void ConvertToTime();
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/** */
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bool SetSystemTime();
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/** */
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time_t GetTime_t();
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protected: // Protected attributes
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/** */
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time_t mjdtime;
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protected: // Protected attributes
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/** */
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u_char time_second;
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protected: // Protected attributes
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/** */
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u_char time_minute;
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protected: // Protected attributes
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/** */
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u_char time_hour;
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protected: // Protected attributes
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/** */
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u_short mjd;
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};
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cMJD::cMJD()
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{
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}
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cMJD::cMJD(u_char date_hi, u_char date_lo)
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{
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mjd = date_hi << 8 | date_lo;
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time_hour = time_minute = time_second = 0;
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ConvertToTime();
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}
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cMJD::cMJD(u_char date_hi, u_char date_lo, u_char timehr, u_char timemi, u_char timese)
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{
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mjd = date_hi << 8 | date_lo;
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time_hour = timehr;
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time_minute = timemi;
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time_second = timese;
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ConvertToTime();
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}
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cMJD::~cMJD()
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{
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}
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/** */
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void cMJD::ConvertToTime()
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{
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struct tm t;
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t.tm_sec = time_second;
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t.tm_min = time_minute;
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t.tm_hour = time_hour;
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int k;
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t.tm_year = (int) ((mjd - 15078.2) / 365.25);
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t.tm_mon = (int) ((mjd - 14956.1 - (int)(t.tm_year * 365.25)) / 30.6001);
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t.tm_mday = (int) (mjd - 14956 - (int)(t.tm_year * 365.25) - (int)(t.tm_mon * 30.6001));
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k = (t.tm_mon == 14 || t.tm_mon == 15) ? 1 : 0;
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t.tm_year = t.tm_year + k;
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t.tm_mon = t.tm_mon - 1 - k * 12;
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t.tm_mon--;
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t.tm_isdst = -1;
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t.tm_gmtoff = 0;
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mjdtime = timegm(&t);
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//isyslog("Time parsed = %s\n", ctime(&mjdtime));
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}
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/** */
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bool cMJD::SetSystemTime()
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{
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struct tm *ptm;
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time_t loctim;
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struct tm tm_r;
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ptm = localtime_r(&mjdtime, &tm_r);
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loctim = time(NULL);
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if (abs(mjdtime - loctim) > 2)
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{
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isyslog("System Time = %s (%ld)\n", ctime(&loctim), loctim);
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isyslog("Local Time = %s (%ld)\n", ctime(&mjdtime), mjdtime);
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if (stime(&mjdtime) < 0)
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esyslog("ERROR while setting system time: %m");
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return true;
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}
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return false;
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}
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/** */
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time_t cMJD::GetTime_t()
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{
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return mjdtime;
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}
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// --- cTDT ------------------------------------------------------------------
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class cTDT {
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public:
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cTDT(tdt_t *ptdt);
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~cTDT();
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/** */
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bool SetSystemTime();
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protected: // Protected attributes
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/** */
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tdt_t tdt;
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/** */
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cMJD mjd; // kls 2001-03-02: made this a member instead of a pointer (it wasn't deleted in the destructor!)
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};
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#define BCD2DEC(b) (((b >> 4) & 0x0F) * 10 + (b & 0x0F))
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cTDT::cTDT(tdt_t *ptdt)
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:tdt(*ptdt)
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,mjd(tdt.utc_mjd_hi, tdt.utc_mjd_lo, BCD2DEC(tdt.utc_time_h), BCD2DEC(tdt.utc_time_m), BCD2DEC(tdt.utc_time_s))
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{
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}
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cTDT::~cTDT()
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{
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}
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/** */
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bool cTDT::SetSystemTime()
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{
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return mjd.SetSystemTime();
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}
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// --- cEventInfo ------------------------------------------------------------
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cEventInfo::cEventInfo(unsigned short serviceid, unsigned short eventid)
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{
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pTitle = NULL;
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pSubtitle = NULL;
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pExtendedDescription = NULL;
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bIsPresent = bIsFollowing = false;
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lDuration = 0;
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tTime = 0;
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uTableID = 0;
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uEventID = eventid;
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uServiceID = serviceid;
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nChannelNumber = 0;
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}
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cEventInfo::~cEventInfo()
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{
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free(pTitle);
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free(pSubtitle);
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free(pExtendedDescription);
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}
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/** */
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const char * cEventInfo::GetTitle() const
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{
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return pTitle;
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}
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/** */
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const char * cEventInfo::GetSubtitle() const
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{
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return pSubtitle;
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}
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/** */
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const char * cEventInfo::GetExtendedDescription() const
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{
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return pExtendedDescription;
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}
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/** */
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bool cEventInfo::IsPresent() const
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{
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return bIsPresent;
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}
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/** */
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void cEventInfo::SetPresent(bool pres)
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{
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bIsPresent = pres;
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}
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/** */
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bool cEventInfo::IsFollowing() const
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{
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return bIsFollowing;
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}
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void cEventInfo::SetTableID(unsigned char tableid)
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{
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uTableID = tableid;
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}
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/** */
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void cEventInfo::SetFollowing(bool foll)
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{
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bIsFollowing = foll;
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}
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/** */
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const char * cEventInfo::GetDate() const
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{
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static char szDate[25];
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struct tm tm_r;
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strftime(szDate, sizeof(szDate), "%d.%m.%Y", localtime_r(&tTime, &tm_r));
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return szDate;
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}
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const unsigned char cEventInfo::GetTableID(void) const
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{
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return uTableID;
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}
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/** */
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const char * cEventInfo::GetTimeString() const
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{
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static char szTime[25];
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struct tm tm_r;
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strftime(szTime, sizeof(szTime), "%R", localtime_r(&tTime, &tm_r));
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return szTime;
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}
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/** */
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const char * cEventInfo::GetEndTimeString() const
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{
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static char szEndTime[25];
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time_t tEndTime = tTime + lDuration;
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struct tm tm_r;
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strftime(szEndTime, sizeof(szEndTime), "%R", localtime_r(&tEndTime, &tm_r));
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return szEndTime;
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}
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/** */
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time_t cEventInfo::GetTime() const
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{
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return tTime;
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}
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/** */
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long cEventInfo::GetDuration() const
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{
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return lDuration;
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}
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/** */
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unsigned short cEventInfo::GetEventID() const
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{
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return uEventID;
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}
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/** */
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void cEventInfo::SetTitle(const char *string)
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{
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pTitle = strcpyrealloc(pTitle, string);
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}
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/** */
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void cEventInfo::SetSubtitle(const char *string)
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{
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pSubtitle = strcpyrealloc(pSubtitle, string);
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}
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/** */
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void cEventInfo::SetExtendedDescription(const char *string)
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{
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pExtendedDescription = strcpyrealloc(pExtendedDescription, string);
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}
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/** */
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void cEventInfo::SetTime(time_t t)
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{
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tTime = t;
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}
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/** */
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void cEventInfo::SetDuration(long l)
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{
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lDuration = l;
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}
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/** */
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void cEventInfo::SetEventID(unsigned short evid)
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{
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uEventID = evid;
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}
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/** */
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void cEventInfo::SetServiceID(unsigned short servid)
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{
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uServiceID = servid;
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}
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/** */
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unsigned short cEventInfo::GetServiceID() const
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{
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return uServiceID;
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}
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/** */
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void cEventInfo::Dump(FILE *f, const char *Prefix) const
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{
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if (tTime + lDuration >= time(NULL)) {
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fprintf(f, "%sE %u %ld %ld %X\n", Prefix, uEventID, tTime, lDuration, uTableID);
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if (!isempty(pTitle))
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fprintf(f, "%sT %s\n", Prefix, pTitle);
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if (!isempty(pSubtitle))
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fprintf(f, "%sS %s\n", Prefix, pSubtitle);
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if (!isempty(pExtendedDescription))
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fprintf(f, "%sD %s\n", Prefix, pExtendedDescription);
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fprintf(f, "%se\n", Prefix);
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}
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}
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bool cEventInfo::Read(FILE *f, cSchedule *Schedule)
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{
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if (Schedule) {
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cEventInfo *pEvent = NULL;
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char *s;
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while ((s = readline(f)) != NULL) {
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char *t = skipspace(s + 1);
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switch (*s) {
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case 'E': if (!pEvent) {
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unsigned int uEventID;
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time_t tTime;
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long lDuration;
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unsigned int uTableID = 0;
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int n = sscanf(t, "%u %ld %ld %X", &uEventID, &tTime, &lDuration, &uTableID);
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if (n == 3 || n == 4) {
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pEvent = (cEventInfo *)Schedule->GetEvent(uEventID, tTime);
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if (!pEvent)
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pEvent = Schedule->AddEvent(new cEventInfo(Schedule->GetServiceID(), uEventID));
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if (pEvent) {
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pEvent->SetTableID(uTableID);
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pEvent->SetTime(tTime);
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pEvent->SetDuration(lDuration);
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}
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}
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}
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break;
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case 'T': if (pEvent)
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pEvent->SetTitle(t);
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break;
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case 'S': if (pEvent)
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pEvent->SetSubtitle(t);
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break;
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case 'D': if (pEvent)
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pEvent->SetExtendedDescription(t);
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break;
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case 'e': pEvent = NULL;
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break;
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case 'c': // to keep things simple we react on 'c' here
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return true;
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default: esyslog("ERROR: unexpected tag while reading EPG data: %s", s);
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return false;
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}
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}
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esyslog("ERROR: unexpected end of file while reading EPG data");
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}
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return false;
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}
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#define MAXEPGBUGFIXSTATS 6
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#define MAXEPGBUGFIXCHANS 50
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struct tEpgBugFixStats {
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int hits;
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int n;
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unsigned short serviceIDs[MAXEPGBUGFIXCHANS];
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tEpgBugFixStats(void) { hits = n = 0; }
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};
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tEpgBugFixStats EpgBugFixStats[MAXEPGBUGFIXSTATS];
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static void EpgBugFixStat(int Number, unsigned int ServiceID)
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{
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if (0 <= Number && Number < MAXEPGBUGFIXSTATS) {
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tEpgBugFixStats *p = &EpgBugFixStats[Number];
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p->hits++;
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int i = 0;
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for (; i < p->n; i++) {
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if (p->serviceIDs[i] == ServiceID)
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break;
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}
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if (i == p->n && p->n < MAXEPGBUGFIXCHANS)
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p->serviceIDs[p->n++] = ServiceID;
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}
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}
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static void ReportEpgBugFixStats(bool Reset = false)
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{
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if (Setup.EPGBugfixLevel > 0) {
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bool GotHits = false;
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char buffer[1024];
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for (int i = 0; i < MAXEPGBUGFIXSTATS; i++) {
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const char *delim = "\t";
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tEpgBugFixStats *p = &EpgBugFixStats[i];
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if (p->hits) {
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if (!GotHits) {
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dsyslog("=====================");
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dsyslog("EPG bugfix statistics");
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dsyslog("=====================");
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dsyslog("IF SOMEBODY WHO IS IN CHARGE OF THE EPG DATA FOR ONE OF THE LISTED");
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dsyslog("CHANNELS READS THIS: PLEASE TAKE A LOOK AT THE FUNCTION cEventInfo::FixEpgBugs()");
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dsyslog("IN VDR/eit.c TO LEARN WHAT'S WRONG WITH YOUR DATA, AND FIX IT!");
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dsyslog("=====================");
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dsyslog("Fix\tHits\tChannels");
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GotHits = true;
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}
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char *q = buffer;
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q += snprintf(q, sizeof(buffer) - (q - buffer), "%d\t%d", i, p->hits);
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for (int c = 0; c < p->n; c++) {
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cChannel *channel = Channels.GetByServiceID(p->serviceIDs[c]);
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if (channel) {
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q += snprintf(q, sizeof(buffer) - (q - buffer), "%s%s", delim, channel->Name());
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delim = ", ";
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}
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}
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dsyslog("%s", buffer);
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}
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if (Reset)
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p->hits = p->n = 0;
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}
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if (GotHits)
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dsyslog("=====================");
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}
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}
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|
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void cEventInfo::FixEpgBugs(void)
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{
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// VDR can't usefully handle newline characters in the EPG data, so let's
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// always convert them to blanks (independent of the setting of EPGBugfixLevel):
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strreplace(pTitle, '\n', ' ');
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strreplace(pSubtitle, '\n', ' ');
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strreplace(pExtendedDescription, '\n', ' ');
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|
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if (Setup.EPGBugfixLevel == 0)
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return;
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|
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// Some TV stations apparently have their own idea about how to fill in the
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// EPG data. Let's fix their bugs as good as we can:
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if (pTitle) {
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|
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// VOX puts too much information into the Subtitle and leaves the Extended
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// Description empty:
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//
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// Title
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// (NAT, Year Min')[ ["Subtitle". ]Extended Description]
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//
|
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if (pSubtitle && !pExtendedDescription) {
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if (*pSubtitle == '(') {
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char *e = strchr(pSubtitle + 1, ')');
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if (e) {
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if (*(e + 1)) {
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if (*++e == ' ')
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if (*(e + 1) == '"')
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e++;
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}
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else
|
|
e = NULL;
|
|
char *s = e ? strdup(e) : NULL;
|
|
free(pSubtitle);
|
|
pSubtitle = s;
|
|
EpgBugFixStat(0, GetServiceID());
|
|
// now the fixes #1 and #2 below will handle the rest
|
|
}
|
|
}
|
|
}
|
|
|
|
// VOX and VIVA put the Subtitle in quotes and use either the Subtitle
|
|
// or the Extended Description field, depending on how long the string is:
|
|
//
|
|
// Title
|
|
// "Subtitle". Extended Description
|
|
//
|
|
if ((pSubtitle == NULL) != (pExtendedDescription == NULL)) {
|
|
char *p = pSubtitle ? pSubtitle : pExtendedDescription;
|
|
if (*p == '"') {
|
|
const char *delim = "\".";
|
|
char *e = strstr(p + 1, delim);
|
|
if (e) {
|
|
*e = 0;
|
|
char *s = strdup(p + 1);
|
|
char *d = strdup(e + strlen(delim));
|
|
free(pSubtitle);
|
|
free(pExtendedDescription);
|
|
pSubtitle = s;
|
|
pExtendedDescription = d;
|
|
EpgBugFixStat(1, GetServiceID());
|
|
}
|
|
}
|
|
}
|
|
|
|
// VOX and VIVA put the Extended Description into the Subtitle (preceeded
|
|
// by a blank) if there is no actual Subtitle and the Extended Description
|
|
// is short enough:
|
|
//
|
|
// Title
|
|
// Extended Description
|
|
//
|
|
if (pSubtitle && !pExtendedDescription) {
|
|
if (*pSubtitle == ' ') {
|
|
memmove(pSubtitle, pSubtitle + 1, strlen(pSubtitle));
|
|
pExtendedDescription = pSubtitle;
|
|
pSubtitle = NULL;
|
|
EpgBugFixStat(2, GetServiceID());
|
|
}
|
|
}
|
|
|
|
// Pro7 sometimes repeats the Title in the Subtitle:
|
|
//
|
|
// Title
|
|
// Title
|
|
//
|
|
if (pSubtitle && strcmp(pTitle, pSubtitle) == 0) {
|
|
free(pSubtitle);
|
|
pSubtitle = NULL;
|
|
EpgBugFixStat(3, GetServiceID());
|
|
}
|
|
|
|
// ZDF.info puts the Subtitle between double quotes, which is nothing
|
|
// but annoying (some even put a '.' after the closing '"'):
|
|
//
|
|
// Title
|
|
// "Subtitle"[.]
|
|
//
|
|
if (pSubtitle && *pSubtitle == '"') {
|
|
int l = strlen(pSubtitle);
|
|
if (l > 2 && (pSubtitle[l - 1] == '"' || (pSubtitle[l - 1] == '.' && pSubtitle[l - 2] == '"'))) {
|
|
memmove(pSubtitle, pSubtitle + 1, l);
|
|
char *p = strrchr(pSubtitle, '"');
|
|
if (p)
|
|
*p = 0;
|
|
EpgBugFixStat(4, GetServiceID());
|
|
}
|
|
}
|
|
|
|
if (Setup.EPGBugfixLevel <= 1)
|
|
return;
|
|
|
|
// Some channels apparently try to do some formatting in the texts,
|
|
// which is a bad idea because they have no way of knowing the width
|
|
// of the window that will actually display the text.
|
|
// Remove excess whitespace:
|
|
pTitle = compactspace(pTitle);
|
|
pSubtitle = compactspace(pSubtitle);
|
|
pExtendedDescription = compactspace(pExtendedDescription);
|
|
// Remove superfluous hyphens:
|
|
if (pExtendedDescription) {
|
|
char *p = pExtendedDescription;
|
|
while (*p && *(p + 1) && *(p + 2)) {
|
|
if (*p == '-' && *(p + 1) == ' ' && *(p + 2) && islower(*(p - 1)) && islower(*(p + 2))) {
|
|
if (!startswith(p + 2, "und ")) { // special case in German, as in "Lach- und Sachgeschichten"
|
|
memmove(p, p + 2, strlen(p + 2) + 1);
|
|
EpgBugFixStat(5, GetServiceID());
|
|
}
|
|
}
|
|
p++;
|
|
}
|
|
}
|
|
|
|
// Some channels use the ` ("backtick") character, where a ' (single quote)
|
|
// would be normally used. Actually, "backticks" in normal text don't make
|
|
// much sense, so let's replace them:
|
|
strreplace(pTitle, '`', '\'');
|
|
strreplace(pSubtitle, '`', '\'');
|
|
strreplace(pExtendedDescription, '`', '\'');
|
|
}
|
|
}
|
|
|
|
// --- cSchedule -------------------------------------------------------------
|
|
|
|
cSchedule::cSchedule(unsigned short servid)
|
|
{
|
|
pPresent = pFollowing = NULL;
|
|
uServiceID = servid;
|
|
}
|
|
|
|
|
|
cSchedule::~cSchedule()
|
|
{
|
|
}
|
|
|
|
cEventInfo *cSchedule::AddEvent(cEventInfo *EventInfo)
|
|
{
|
|
Events.Add(EventInfo);
|
|
return EventInfo;
|
|
}
|
|
|
|
const cEventInfo *cSchedule::GetPresentEvent(void) const
|
|
{
|
|
return GetEventAround(time(NULL));
|
|
}
|
|
|
|
const cEventInfo *cSchedule::GetFollowingEvent(void) const
|
|
{
|
|
const cEventInfo *pe = NULL;
|
|
time_t now = time(NULL);
|
|
time_t delta = INT_MAX;
|
|
for (cEventInfo *p = Events.First(); p; p = Events.Next(p)) {
|
|
time_t dt = p->GetTime() - now;
|
|
if (dt > 0 && dt < delta) {
|
|
delta = dt;
|
|
pe = p;
|
|
}
|
|
}
|
|
return pe;
|
|
}
|
|
|
|
void cSchedule::SetServiceID(unsigned short servid)
|
|
{
|
|
uServiceID = servid;
|
|
}
|
|
/** */
|
|
unsigned short cSchedule::GetServiceID() const
|
|
{
|
|
return uServiceID;
|
|
}
|
|
/** */
|
|
const cEventInfo * cSchedule::GetEvent(unsigned short uEventID, time_t tTime) const
|
|
{
|
|
// Returns either the event info with the given uEventID or, if that one can't
|
|
// be found, the one with the given tTime (or NULL if neither can be found)
|
|
cEventInfo *pe = Events.First();
|
|
cEventInfo *pt = NULL;
|
|
while (pe != NULL)
|
|
{
|
|
if (pe->GetEventID() == uEventID)
|
|
return pe;
|
|
if (tTime > 0 && pe->GetTime() == tTime) // 'tTime < 0' is apparently used with NVOD channels
|
|
pt = pe;
|
|
|
|
pe = Events.Next(pe);
|
|
}
|
|
|
|
return pt;
|
|
}
|
|
|
|
const cEventInfo *cSchedule::GetEventAround(time_t Time) const
|
|
{
|
|
const cEventInfo *pe = NULL;
|
|
time_t delta = INT_MAX;
|
|
for (cEventInfo *p = Events.First(); p; p = Events.Next(p)) {
|
|
time_t dt = Time - p->GetTime();
|
|
if (dt >= 0 && dt < delta && p->GetTime() + p->GetDuration() >= Time) {
|
|
delta = dt;
|
|
pe = p;
|
|
}
|
|
}
|
|
return pe;
|
|
}
|
|
|
|
bool cSchedule::SetPresentEvent(cEventInfo *pEvent)
|
|
{
|
|
if (pPresent != NULL)
|
|
pPresent->SetPresent(false);
|
|
pPresent = pEvent;
|
|
pPresent->SetPresent(true);
|
|
|
|
return true;
|
|
}
|
|
|
|
/** */
|
|
bool cSchedule::SetFollowingEvent(cEventInfo *pEvent)
|
|
{
|
|
if (pFollowing != NULL)
|
|
pFollowing->SetFollowing(false);
|
|
pFollowing = pEvent;
|
|
pFollowing->SetFollowing(true);
|
|
|
|
return true;
|
|
}
|
|
|
|
/** */
|
|
void cSchedule::Cleanup()
|
|
{
|
|
Cleanup(time(NULL));
|
|
}
|
|
|
|
/** */
|
|
void cSchedule::Cleanup(time_t tTime)
|
|
{
|
|
cEventInfo *pEvent;
|
|
for (int a = 0; true ; a++)
|
|
{
|
|
pEvent = Events.Get(a);
|
|
if (pEvent == NULL)
|
|
break;
|
|
if (pEvent->GetTime() + pEvent->GetDuration() + 3600 < tTime) // adding one hour for safety
|
|
{
|
|
Events.Del(pEvent);
|
|
a--;
|
|
}
|
|
}
|
|
}
|
|
|
|
/** */
|
|
void cSchedule::Dump(FILE *f, const char *Prefix) const
|
|
{
|
|
cChannel *channel = Channels.GetByServiceID(uServiceID);
|
|
if (channel)
|
|
{
|
|
fprintf(f, "%sC %u %s\n", Prefix, uServiceID, channel->Name());
|
|
for (cEventInfo *p = Events.First(); p; p = Events.Next(p))
|
|
p->Dump(f, Prefix);
|
|
fprintf(f, "%sc\n", Prefix);
|
|
}
|
|
}
|
|
|
|
bool cSchedule::Read(FILE *f, cSchedules *Schedules)
|
|
{
|
|
if (Schedules) {
|
|
char *s;
|
|
while ((s = readline(f)) != NULL) {
|
|
if (*s == 'C') {
|
|
unsigned int uServiceID;
|
|
if (1 == sscanf(s + 1, "%u", &uServiceID)) {
|
|
cSchedule *p = (cSchedule *)Schedules->AddServiceID(uServiceID);
|
|
if (p) {
|
|
if (!cEventInfo::Read(f, p))
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
esyslog("ERROR: unexpected tag while reading EPG data: %s", s);
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// --- cSchedules ------------------------------------------------------------
|
|
|
|
cSchedules::cSchedules()
|
|
{
|
|
pCurrentSchedule = NULL;
|
|
uCurrentServiceID = 0;
|
|
}
|
|
|
|
cSchedules::~cSchedules()
|
|
{
|
|
}
|
|
/** */
|
|
const cSchedule *cSchedules::AddServiceID(unsigned short servid)
|
|
{
|
|
const cSchedule *p = GetSchedule(servid);
|
|
if (!p) {
|
|
Add(new cSchedule(servid));
|
|
p = GetSchedule(servid);
|
|
}
|
|
return p;
|
|
}
|
|
/** */
|
|
const cSchedule *cSchedules::SetCurrentServiceID(unsigned short servid)
|
|
{
|
|
pCurrentSchedule = AddServiceID(servid);
|
|
if (pCurrentSchedule)
|
|
uCurrentServiceID = servid;
|
|
return pCurrentSchedule;
|
|
}
|
|
/** */
|
|
const cSchedule * cSchedules::GetSchedule() const
|
|
{
|
|
return pCurrentSchedule;
|
|
}
|
|
/** */
|
|
const cSchedule * cSchedules::GetSchedule(unsigned short servid) const
|
|
{
|
|
cSchedule *p;
|
|
|
|
p = First();
|
|
while (p != NULL)
|
|
{
|
|
if (p->GetServiceID() == servid)
|
|
return p;
|
|
p = Next(p);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/** */
|
|
void cSchedules::Cleanup()
|
|
{
|
|
cSchedule *p;
|
|
|
|
p = First();
|
|
while (p != NULL)
|
|
{
|
|
p->Cleanup(time(NULL));
|
|
p = Next(p);
|
|
}
|
|
}
|
|
|
|
/** */
|
|
void cSchedules::Dump(FILE *f, const char *Prefix) const
|
|
{
|
|
for (cSchedule *p = First(); p; p = Next(p))
|
|
p->Dump(f, Prefix);
|
|
}
|
|
|
|
/** */
|
|
bool cSchedules::Read(FILE *f)
|
|
{
|
|
cMutexLock MutexLock;
|
|
return cSchedule::Read(f, (cSchedules *)cSIProcessor::Schedules(MutexLock));
|
|
}
|
|
|
|
// --- cEIT ------------------------------------------------------------------
|
|
|
|
class cEIT {
|
|
private:
|
|
cSchedules *schedules;
|
|
public:
|
|
cEIT(unsigned char *buf, int length, cSchedules *Schedules);
|
|
~cEIT();
|
|
/** */
|
|
int ProcessEIT(unsigned char *buffer);
|
|
|
|
protected: // Protected methods
|
|
/** returns true if this EIT covers a
|
|
present/following information, false if it's
|
|
schedule information */
|
|
bool IsPresentFollowing();
|
|
protected: // Protected attributes
|
|
/** Table ID of this EIT struct */
|
|
u_char tid;
|
|
};
|
|
|
|
cEIT::cEIT(unsigned char * buf, int length, cSchedules *Schedules)
|
|
{
|
|
tid = buf[0];
|
|
schedules = Schedules;
|
|
}
|
|
|
|
cEIT::~cEIT()
|
|
{
|
|
}
|
|
|
|
/** */
|
|
int cEIT::ProcessEIT(unsigned char *buffer)
|
|
{
|
|
cEventInfo *pEvent, *rEvent = NULL;
|
|
cSchedule *pSchedule, *rSchedule = NULL;
|
|
struct LIST *VdrProgramInfos;
|
|
struct VdrProgramInfo *VdrProgramInfo;
|
|
|
|
if (!buffer)
|
|
return -1;
|
|
|
|
VdrProgramInfos = createVdrProgramInfos(buffer);
|
|
|
|
if (VdrProgramInfos) {
|
|
for (VdrProgramInfo = (struct VdrProgramInfo *) VdrProgramInfos->Head; VdrProgramInfo; VdrProgramInfo = (struct VdrProgramInfo *) xSucc (VdrProgramInfo)) {
|
|
// Drop events that belong to an "other TS" and are very long (some stations broadcast bogus data for "other" channels):
|
|
if (VdrProgramInfo->Duration >= 86400 && (tid == 0x4F || tid == 0x60 || tid == 0x61))
|
|
continue;
|
|
pSchedule = (cSchedule *)schedules->GetSchedule(VdrProgramInfo->ServiceID);
|
|
if (!pSchedule) {
|
|
schedules->Add(new cSchedule(VdrProgramInfo->ServiceID));
|
|
pSchedule = (cSchedule *)schedules->GetSchedule(VdrProgramInfo->ServiceID);
|
|
if (!pSchedule)
|
|
break;
|
|
}
|
|
if (VdrProgramInfo->ReferenceServiceID) {
|
|
rSchedule = (cSchedule *)schedules->GetSchedule(VdrProgramInfo->ReferenceServiceID);
|
|
if (!rSchedule)
|
|
break;
|
|
rEvent = (cEventInfo *)rSchedule->GetEvent((unsigned short)VdrProgramInfo->ReferenceEventID);
|
|
if (!rEvent)
|
|
break;
|
|
}
|
|
pEvent = (cEventInfo *)pSchedule->GetEvent((unsigned short)VdrProgramInfo->EventID, VdrProgramInfo->StartTime);
|
|
if (!pEvent) {
|
|
// If we don't have that event ID yet, we create a new one.
|
|
// Otherwise we copy the information into the existing event anyway, because the data might have changed.
|
|
pEvent = pSchedule->AddEvent(new cEventInfo(VdrProgramInfo->ServiceID, VdrProgramInfo->EventID));
|
|
if (!pEvent)
|
|
break;
|
|
pEvent->SetTableID(tid);
|
|
}
|
|
else {
|
|
// We have found an existing event, either through its event ID or its start time.
|
|
// If the existing event has a zero table ID it was defined externally and shall
|
|
// not be overwritten.
|
|
if (pEvent->GetTableID() == 0x00)
|
|
continue;
|
|
// If the new event comes from a table that belongs to an "other TS" and the existing
|
|
// one comes from an "actual TS" table, lets skip it.
|
|
if ((tid == 0x4F || tid == 0x60 || tid == 0x61) && (pEvent->GetTableID() == 0x4E || pEvent->GetTableID() == 0x50 || pEvent->GetTableID() == 0x51))
|
|
continue;
|
|
}
|
|
if (rEvent) {
|
|
pEvent->SetTitle(rEvent->GetTitle());
|
|
pEvent->SetSubtitle(rEvent->GetSubtitle());
|
|
pEvent->SetExtendedDescription(rEvent->GetExtendedDescription());
|
|
}
|
|
else {
|
|
pEvent->SetTableID(tid);
|
|
pEvent->SetTitle(VdrProgramInfo->ShortName);
|
|
pEvent->SetSubtitle(VdrProgramInfo->ShortText);
|
|
pEvent->SetExtendedDescription(VdrProgramInfo->ExtendedName);
|
|
//XXX kls 2001-09-22:
|
|
//XXX apparently this never occurred, so I have simpified ExtendedDescription handling
|
|
//XXX pEvent->AddExtendedDescription(VdrProgramInfo->ExtendedText);
|
|
}
|
|
pEvent->SetTime(VdrProgramInfo->StartTime);
|
|
pEvent->SetDuration(VdrProgramInfo->Duration);
|
|
pEvent->FixEpgBugs();
|
|
if (IsPresentFollowing()) {
|
|
if ((GetRunningStatus(VdrProgramInfo->Status) == RUNNING_STATUS_PAUSING) || (GetRunningStatus(VdrProgramInfo->Status) == RUNNING_STATUS_RUNNING))
|
|
pSchedule->SetPresentEvent(pEvent);
|
|
else if (GetRunningStatus(VdrProgramInfo->Status) == RUNNING_STATUS_AWAITING)
|
|
pSchedule->SetFollowingEvent(pEvent);
|
|
}
|
|
}
|
|
}
|
|
|
|
xMemFreeAll(NULL);
|
|
return 0;
|
|
}
|
|
|
|
/** returns true if this EIT covers a
|
|
present/following information, false if it's
|
|
schedule information */
|
|
bool cEIT::IsPresentFollowing()
|
|
{
|
|
if (tid == 0x4e || tid == 0x4f)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
// --- cSIProcessor ----------------------------------------------------------
|
|
|
|
#define MAX_FILTERS 20
|
|
#define EPGDATAFILENAME "epg.data"
|
|
|
|
int cSIProcessor::numSIProcessors = 0;
|
|
cSchedules *cSIProcessor::schedules = NULL;
|
|
cMutex cSIProcessor::schedulesMutex;
|
|
const char *cSIProcessor::epgDataFileName = EPGDATAFILENAME;
|
|
time_t cSIProcessor::lastDump = time(NULL);
|
|
|
|
/** */
|
|
cSIProcessor::cSIProcessor(const char *FileName)
|
|
{
|
|
fileName = strdup(FileName);
|
|
masterSIProcessor = numSIProcessors == 0; // the first one becomes the 'master'
|
|
filters = NULL;
|
|
if (!numSIProcessors++) // the first one creates it
|
|
schedules = new cSchedules;
|
|
filters = (SIP_FILTER *)calloc(MAX_FILTERS, sizeof(SIP_FILTER));
|
|
SetStatus(true);
|
|
Start();
|
|
}
|
|
|
|
cSIProcessor::~cSIProcessor()
|
|
{
|
|
if (masterSIProcessor)
|
|
ReportEpgBugFixStats();
|
|
active = false;
|
|
Cancel(3);
|
|
ShutDownFilters();
|
|
free(filters);
|
|
if (!--numSIProcessors) // the last one deletes it
|
|
delete schedules;
|
|
free(fileName);
|
|
}
|
|
|
|
const cSchedules *cSIProcessor::Schedules(cMutexLock &MutexLock)
|
|
{
|
|
if (MutexLock.Lock(&schedulesMutex))
|
|
return schedules;
|
|
return NULL;
|
|
}
|
|
|
|
bool cSIProcessor::Read(FILE *f)
|
|
{
|
|
bool OwnFile = f == NULL;
|
|
if (OwnFile) {
|
|
const char *FileName = GetEpgDataFileName();
|
|
if (access(FileName, R_OK) == 0) {
|
|
dsyslog("reading EPG data from %s", FileName);
|
|
if ((f = fopen(FileName, "r")) == NULL) {
|
|
LOG_ERROR;
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
return false;
|
|
}
|
|
bool result = cSchedules::Read(f);
|
|
if (OwnFile)
|
|
fclose(f);
|
|
return result;
|
|
}
|
|
|
|
void cSIProcessor::Clear(void)
|
|
{
|
|
cMutexLock MutexLock(&schedulesMutex);
|
|
delete schedules;
|
|
schedules = new cSchedules;
|
|
}
|
|
|
|
void cSIProcessor::SetEpgDataFileName(const char *FileName)
|
|
{
|
|
epgDataFileName = NULL;
|
|
if (FileName)
|
|
epgDataFileName = strdup(DirectoryOk(FileName) ? AddDirectory(FileName, EPGDATAFILENAME) : FileName);
|
|
}
|
|
|
|
const char *cSIProcessor::GetEpgDataFileName(void)
|
|
{
|
|
if (epgDataFileName)
|
|
return *epgDataFileName == '/' ? epgDataFileName : AddDirectory(VideoDirectory, epgDataFileName);
|
|
return NULL;
|
|
}
|
|
|
|
void cSIProcessor::SetStatus(bool On)
|
|
{
|
|
ShutDownFilters();
|
|
if (On)
|
|
{
|
|
AddFilter(0x14, 0x70); // TDT
|
|
AddFilter(0x14, 0x73); // TOT
|
|
AddFilter(0x12, 0x4e); // event info, actual TS, present/following
|
|
AddFilter(0x12, 0x4f); // event info, other TS, present/following
|
|
AddFilter(0x12, 0x50); // event info, actual TS, schedule
|
|
AddFilter(0x12, 0x60); // event info, other TS, schedule
|
|
AddFilter(0x12, 0x51); // event info, actual TS, schedule for another 4 days
|
|
AddFilter(0x12, 0x61); // event info, other TS, schedule for another 4 days
|
|
}
|
|
}
|
|
|
|
/** use the vbi device to parse all relevant SI
|
|
information and let the classes corresponding
|
|
to the tables write their information to the disk */
|
|
void cSIProcessor::Action()
|
|
{
|
|
dsyslog("EIT processing thread started (pid=%d)%s", getpid(), masterSIProcessor ? " - master" : "");
|
|
|
|
time_t lastCleanup = time(NULL);
|
|
|
|
active = true;
|
|
|
|
while(active)
|
|
{
|
|
if (masterSIProcessor)
|
|
{
|
|
time_t now = time(NULL);
|
|
struct tm tm_r;
|
|
struct tm *ptm = localtime_r(&now, &tm_r);
|
|
if (now - lastCleanup > 3600 && ptm->tm_hour == 5)
|
|
{
|
|
cMutexLock MutexLock(&schedulesMutex);
|
|
isyslog("cleaning up schedules data");
|
|
schedules->Cleanup();
|
|
lastCleanup = now;
|
|
ReportEpgBugFixStats(true);
|
|
}
|
|
if (epgDataFileName && now - lastDump > 600)
|
|
{
|
|
cMutexLock MutexLock(&schedulesMutex);
|
|
cSafeFile f(GetEpgDataFileName());
|
|
if (f.Open()) {
|
|
schedules->Dump(f);
|
|
f.Close();
|
|
}
|
|
else
|
|
LOG_ERROR;
|
|
lastDump = now;
|
|
}
|
|
}
|
|
|
|
// set up pfd structures for all active filter
|
|
pollfd pfd[MAX_FILTERS];
|
|
int NumUsedFilters = 0;
|
|
for (int a = 0; a < MAX_FILTERS ; a++)
|
|
{
|
|
if (filters[a].inuse)
|
|
{
|
|
pfd[NumUsedFilters].fd = filters[a].handle;
|
|
pfd[NumUsedFilters].events = POLLIN;
|
|
NumUsedFilters++;
|
|
}
|
|
}
|
|
|
|
// wait until data becomes ready from the bitfilter
|
|
if (poll(pfd, NumUsedFilters, 1000) != 0)
|
|
{
|
|
for (int a = 0; a < NumUsedFilters ; a++)
|
|
{
|
|
if (pfd[a].revents & POLLIN)
|
|
{
|
|
/* read section */
|
|
unsigned char buf[4096+1]; // max. allowed size for any EIT section (+1 for safety ;-)
|
|
if (safe_read(filters[a].handle, buf, 3) == 3)
|
|
{
|
|
int seclen = ((buf[1] & 0x0F) << 8) | (buf[2] & 0xFF);
|
|
int pid = filters[a].pid;
|
|
int n = safe_read(filters[a].handle, buf + 3, seclen);
|
|
if (n == seclen)
|
|
{
|
|
seclen += 3;
|
|
//dsyslog("Received pid 0x%02x with table ID 0x%02x and length of %04d\n", pid, buf[0], seclen);
|
|
switch (pid)
|
|
{
|
|
case 0x14:
|
|
if (buf[0] == 0x70)
|
|
{
|
|
if (Setup.SetSystemTime && Setup.TimeTransponder && ISTRANSPONDER(currentTransponder, Setup.TimeTransponder))
|
|
{
|
|
cTDT ctdt((tdt_t *)buf);
|
|
ctdt.SetSystemTime();
|
|
}
|
|
}
|
|
/*XXX this comes pretty often:
|
|
else
|
|
dsyslog("Time packet was not 0x70 but 0x%02x\n", (int)buf[0]);
|
|
XXX*/
|
|
break;
|
|
|
|
case 0x12:
|
|
if (buf[0] != 0x72)
|
|
{
|
|
cMutexLock MutexLock(&schedulesMutex);
|
|
cEIT ceit(buf, seclen, schedules);
|
|
ceit.ProcessEIT(buf);
|
|
}
|
|
else
|
|
dsyslog("Received stuffing section in EIT\n");
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
/*XXX this just fills up the log file - shouldn't we rather try to re-sync?
|
|
else
|
|
dsyslog("read incomplete section - seclen = %d, n = %d", seclen, n);
|
|
XXX*/
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
dsyslog("EIT processing thread ended (pid=%d)%s", getpid(), masterSIProcessor ? " - master" : "");
|
|
}
|
|
|
|
/** Add a filter with packet identifier pid and
|
|
table identifer tid */
|
|
bool cSIProcessor::AddFilter(u_char pid, u_char tid)
|
|
{
|
|
dmx_sct_filter_params sctFilterParams;
|
|
memset(&sctFilterParams, 0, sizeof(sctFilterParams));
|
|
sctFilterParams.pid = pid;
|
|
sctFilterParams.timeout = 0;
|
|
sctFilterParams.flags = DMX_IMMEDIATE_START;
|
|
sctFilterParams.filter.filter[0] = tid;
|
|
sctFilterParams.filter.mask[0] = 0xFF;
|
|
|
|
for (int a = 0; a < MAX_FILTERS; a++)
|
|
{
|
|
if (!filters[a].inuse)
|
|
{
|
|
filters[a].pid = pid;
|
|
filters[a].tid = tid;
|
|
if ((filters[a].handle = open(fileName, O_RDWR | O_NONBLOCK)) >= 0)
|
|
{
|
|
if (ioctl(filters[a].handle, DMX_SET_FILTER, &sctFilterParams) >= 0)
|
|
filters[a].inuse = true;
|
|
else
|
|
{
|
|
esyslog("ERROR: can't set filter");
|
|
close(filters[a].handle);
|
|
return false;
|
|
}
|
|
// dsyslog("Registered filter handle %04x, pid = %02d, tid = %02d", filters[a].handle, filters[a].pid, filters[a].tid);
|
|
}
|
|
else
|
|
{
|
|
esyslog("ERROR: can't open filter handle");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
esyslog("ERROR: too many filters");
|
|
|
|
return false;
|
|
}
|
|
|
|
/** */
|
|
bool cSIProcessor::ShutDownFilters(void)
|
|
{
|
|
for (int a = 0; a < MAX_FILTERS; a++)
|
|
{
|
|
if (filters[a].inuse)
|
|
{
|
|
close(filters[a].handle);
|
|
// dsyslog("Deregistered filter handle %04x, pid = %02d, tid = %02d", filters[a].handle, filters[a].pid, filters[a].tid);
|
|
filters[a].inuse = false;
|
|
}
|
|
}
|
|
|
|
return true; // there's no real 'boolean' to return here...
|
|
}
|
|
|
|
/** */
|
|
void cSIProcessor::SetCurrentTransponder(int CurrentTransponder)
|
|
{
|
|
currentTransponder = CurrentTransponder;
|
|
}
|
|
|
|
/** */
|
|
bool cSIProcessor::SetCurrentServiceID(unsigned short servid)
|
|
{
|
|
cMutexLock MutexLock(&schedulesMutex);
|
|
return schedules ? schedules->SetCurrentServiceID(servid) : false;
|
|
}
|
|
|
|
void cSIProcessor::TriggerDump(void)
|
|
{
|
|
cMutexLock MutexLock(&schedulesMutex);
|
|
lastDump = 0;
|
|
}
|