[vdr] Memory access error while attach player?

Klaus Schmidinger Klaus.Schmidinger at cadsoft.de
Wed Dec 14 16:18:02 CET 2005


Patrick Fischer wrote:
> I have tested lots of thinks but I didn't find a solution.
> 
> Maybe this is the reason why klaus didn't put the svdrp in an own thread?
> 
> I don't understand the way to lock a device!

You don't "lock a device".

Starting a replay is supposed to take place from the
foreground thread.

Klaus

> Is there an way to resolve my problem?
> I don't want to call the svdrp "PLAY", thats an very long winded way.
> 
> Patrick
> 
> 
> Patrick Fischer schrieb:
> 
>> Hello
>> If I want to attach a Player to a device (for play a VDR Recording) 
>> but I have some Thread problems.
>> I have looked at cSVDRP::CmdPLAY.
>> But If I copy the Code to my Plugin, sometimes I get a Memory access 
>> error.
>> Maybe I need to lock the the device?
>> The Problem is that the cControl::Attach(void) starts befor the 
>> cDevice::AttachPlayer(myPlayer) is done.
>> But I don't know how to lock the device.
>>
>> This is a fragment of the cSVDRP::CmdPLAY Code:
>>
>>  cRecording *recording = Recordings.Get(3);
>>  if (recording) {
>>    .......
>>      cReplayControl::SetRecording(NULL, NULL);
>>      cControl::Shutdown();
>>    .......
>>      cReplayControl::SetRecording(recording->FileName(), 
>> recording->Title());
>>      cControl::Launch(new cReplayControl);
>>       //if I place a output here it will be shown
>>      cControl::Attach();
>>       //if I place a output here it will not be shown if it freezes
>>    ........
>>  }
>>
>> How to create a lock for this?
>>
>> I have created some more output which can be shown here:
>> http://nopaste.debianforum.de/1801
>>
>> On stdout was shown:
>> .....
>> SetPlayMode: 0
>> SetAudioChannelDevice: 0
>> SetPlayMode: 1
>> Speicherzugriffsfehler



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