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//////////////////////////////////////////////////////////////
/// ///
/// libvdr.c: routines to parse the DVB-SI stream ///
/// ///
//////////////////////////////////////////////////////////////
// $Revision: 1.1 $
// $Date: 2001/10/07 10:25:33 $
// $Author: hakenes $
//
// (C) 2001 Rolf Hakenes <hakenes@hippomi.de>, under the GNU GPL.
//
// libvdr is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
//
// libvdr is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You may have received a copy of the GNU General Public License
// along with libvdr; see the file COPYING. If not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <liblx.h>
#include <libsi.h>
#include <si_tables.h>
#include "libvdr.h"
struct LIST *createVdrProgramInfos (unsigned char *siBuffer)
{
struct VdrProgramInfo *VdrProgramInfo;
struct LIST *Result, *EventList;
struct Event *Event;
struct Descriptor *Descriptor;
int GotVdrProgramInfo;
if (!siBuffer) return (NULL);
if (!(EventList = siParseEIT (siBuffer))) return (NULL);
Result = xNewList (NULL);
xForeach (EventList, Event)
{
VdrProgramInfo = NULL;
GotVdrProgramInfo = 0;
xForeach (Event->Descriptors, Descriptor)
{
if (!VdrProgramInfo)
{
CreateVdrProgramInfo(VdrProgramInfo,
Event->EventID, Event->TransportStreamID,
Event->ServiceID, Event->StartTime,
Event->Duration, Event->Status);
}
switch (Descriptor->Tag)
{
case DESCR_SHORT_EVENT:
{
if (!xName(Descriptor) || !xName(Descriptor)[0])
break;
VdrProgramInfo->ShortName =
xSetText (xName (Descriptor));
VdrProgramInfo->ShortText =
xSetText (((struct ShortEventDescriptor
*)Descriptor)->Text);
memcpy (VdrProgramInfo->LanguageCode, ((struct
ShortEventDescriptor *)Descriptor)->
LanguageCode, 4);
GotVdrProgramInfo = 1;
}
break;
case DESCR_TIME_SHIFTED_EVENT:
{
struct tm *StartTime;
VdrProgramInfo->ReferenceServiceID =
((struct TimeShiftedEventDescriptor
*)Descriptor)->ReferenceServiceID;
VdrProgramInfo->ReferenceEventID =
((struct TimeShiftedEventDescriptor
*)Descriptor)->ReferenceEventID;
GotVdrProgramInfo = 1;
}
break;
case DESCR_EXTENDED_EVENT:
{
struct ExtendedEventItem *Item;
if (xName (Descriptor))
AddToText (xName (Descriptor),
VdrProgramInfo->ExtendedName);
xForeach (((struct ExtendedEventDescriptor*)
Descriptor)->Items, Item)
{
AddItemToText (xName (Item),
VdrProgramInfo->ExtendedText);
AddItemToText (Item->Text,
VdrProgramInfo->ExtendedText);
}
GotVdrProgramInfo = 1;
}
break;
case DESCR_CONTENT:
{
int i, j;
for (j = 0; j < ((struct ContentDescriptor*)
Descriptor)->Amount; j++)
{
VdrProgramInfo->ContentNibble1 =
GetContentContentNibble1(Descriptor, j);
VdrProgramInfo->ContentNibble2 =
GetContentContentNibble2(Descriptor, j);
}
GotVdrProgramInfo = 1;
}
break;
case DESCR_PARENTAL_RATING:
{
struct ParentalRating *Rating;
xForeach (((struct ParentalRatingDescriptor *)
Descriptor)->Ratings, Rating)
if (!strncmp (VdrProgramInfo->LanguageCode,
Rating->LanguageCode, 3))
VdrProgramInfo->Rating = Rating->Rating;
GotVdrProgramInfo = 1;
}
break;
}
}
if (GotVdrProgramInfo) xAddTail (Result, VdrProgramInfo);
}
return (Result);
}
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