[vdr] ERROR: can't set PID xxxx on device y

Klaus Schmidinger Klaus.Schmidinger at cadsoft.de
Sun Feb 17 16:41:14 CET 2008


On 02/16/08 17:46, Petri Helin wrote:
> Klaus Schmidinger wrote:
>> On 02/09/08 16:36, Klaus Schmidinger wrote:
>>> On 01/06/08 23:57, Reinhard Nissl wrote:
>>>> Hi,
>>>>
>>>> Petri Helin schrieb:
>>>>
>>>>> since VDR became subtitles aware some months ago, I have been getting 
>>>>> this kind of entries in the log:
>>>>>
>>>>> Jan  6 23:02:48 vdr vdr: [4506] ERROR: can't set PID 2027 on device  9
>>>>>
>>>>> PID 2027 is for a finnish subtitles stream.
>>>>>
>>>>> I cannot see anything failing or such when this entry appears, but just 
>>>>> thought to let Klaus know about it, in case it would make some sense to him.
>>>> I came across this log message today, too. Looks like
>>>> SetCurrentSubtitleTrack() calls AttachReceiver() on the
>>>> PrimaryDevice() which is cXineDevice in my case.
>>>>
>>>>> (gdb) bt
>>>>> #0  0x080bbabb in cDevice::AddPid (this=0xb44c49f8, Pid=131, PidType=ptOther) at device.c:612
>>>>> #1  0x080bbc00 in cDevice::AttachReceiver (this=0xb44c49f8, Receiver=0xb44e2078) at device.c:1502
>>>>> #2  0x080be272 in cDevice::SetCurrentSubtitleTrack (this=0xb44c49f8, Type=ttSubtitle, Manual=false) at device.c:1052
>>>>> #3  0x080be3b4 in cDevice::EnsureSubtitleTrack (this=0xb44c49f8) at device.c:1104
>>>>> #4  0x080be58d in cDevice::SetAvailableTrack (this=0xb44c49f8, Type=ttSubtitle, Index=0, Id=131, Language=0x82529c8 "deu", Description=0x0) at device.c:984
>>>>> #5  0x080bf0cb in cDevice::SetChannel (this=0xb44c49f8, Channel=0x82526c8, LiveView=true) at device.c:845
>>>>> #6  0x080bf1ae in cDevice::SwitchChannel (this=0xb44c49f8, Channel=0x82526c8, LiveView=true) at device.c:735
>>>>> #7  0x080a59bd in cChannels::SwitchTo (this=0x81a9880, Number=2) at channels.c:1201
>>>>> #8  0x08158988 in main (argc=14, argv=0xbf993d34) at vdr.c:762
>>>> Looks like Transferring() isn't set at that time and therefore a
>>>> cLiveSubtitle instance is created although none is needed in
>>>> transfer mode (which is the only way how my setup works).
>>>>
>>>>> 1048      if (currentSubtitleTrack != ttNone && !Replaying() && !Transferring()) {
>>>>> 1049         const tTrackId *TrackId = GetTrack(currentSubtitleTrack);
>>>>> 1050         if (TrackId && TrackId->id) {
>>>>> 1051            liveSubtitle = new cLiveSubtitle(TrackId->id);
>>>>> 1052            AttachReceiver(liveSubtitle);
>>>>> 1053            }
>>>>> 1054         }
>>> SetChannel() in live mode triggers a Transfer-Mode, but that is actually
>>> only started after SetChannel() has ended. Therefore, as you correctly
>>> pointed out, Transferring is not yet set in EnsureSubtitleTrack().
>>>
>>> Maybe the sequence
>>>
>>>         if (!NeedsTransferMode)
>>>            EnsureAudioTrack(true);
>>>         EnsureSubtitleTrack();
>>>
>>> should be changed to
>>>
>>>         if (!NeedsTransferMode) {
>>>            EnsureAudioTrack(true);
>>>            EnsureSubtitleTrack();
>>>            }
>>>
>>>
>>> Could you please test this?
>>>
>>> Klaus
>> Still waiting for verification.
>>
> 
> Sorry, had forgotten this... I made the change you suggested in 
> device.c, but I am still seeing the error message.

I believe this should fix it:


--- device.c    2008/02/16 13:52:11     1.153
+++ device.c    2008/02/17 15:40:08
@@ -1049,7 +1049,7 @@
         const tTrackId *TrackId = GetTrack(currentSubtitleTrack);
         if (TrackId && TrackId->id) {
            liveSubtitle = new cLiveSubtitle(TrackId->id);
-           AttachReceiver(liveSubtitle);
+           ActualDevice()->AttachReceiver(liveSubtitle);
            }
         }
      return true;


Klaus



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