receiver.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64

/*
 * receiver.c: The basic receiver interface
 *
 * See the main source file 'vdr.c' for copyright information and
 * how to reach the author.
 *
 * $Id: receiver.c 1.7 2007/08/12 11:52:59 kls Exp $
 */

#include "receiver.h"
#include <stdarg.h>
#include <stdio.h>
#include "tools.h"

cReceiver::cReceiver(tChannelID ChannelID, int Priority, int Pid, const int *Pids1, const int *Pids2, const int *Pids3)
{
  device = NULL;
  channelID = ChannelID;
  priority = Priority;
  numPids = 0;
  if (Pid)
     pids[numPids++] = Pid;
  if (Pids1) {
     while (*Pids1 && numPids < MAXRECEIVEPIDS)
           pids[numPids++] = *Pids1++;
     }
  if (Pids2) {
     while (*Pids2 && numPids < MAXRECEIVEPIDS)
           pids[numPids++] = *Pids2++;
     }
  if (Pids3) {
     while (*Pids3 && numPids < MAXRECEIVEPIDS)
           pids[numPids++] = *Pids3++;
     }
  if (numPids >= MAXRECEIVEPIDS)
     dsyslog("too many PIDs in cReceiver");
}

cReceiver::~cReceiver()
{
  if (device) {
     const char *msg = "ERROR: cReceiver has not been detached yet! This is a design fault and VDR will segfault now!";
     esyslog(msg);
     fprintf(stderr, "%s\n", msg);
     *(char *)0 = 0; // cause a segfault
     }
}

bool cReceiver::WantsPid(int Pid)
{
  if (Pid) {
     for (int i = 0; i < numPids; i++) {
         if (pids[i] == Pid)
            return true;
         }
     }
  return false;
}

void cReceiver::Detach(void)
{
  if (device)
     device->Detach(this);
}