[vdr] [ANNOUNCE] VDR developer version 1.7.24

Timothy D. Lenz tlenz at vorgon.com
Sun Mar 4 19:04:40 CET 2012



On 3/3/2012 4:48 AM, Klaus Schmidinger wrote:
> On 02.03.2012 18:13, Udo Richter wrote:
>> Am 02.03.2012 11:06, schrieb Klaus Schmidinger:
>>> On 29.02.2012 21:33, Udo Richter wrote:
>>>> Roughly, the callback should be at the places where these two get
>>>> called:
>>>>
>>>> DELETENULL(liveSubtitle);
>>>> DELETENULL(dvbSubtitleConverter);
>>>>
>>>> (Thats how VDR's own receivers get out of way.)
>>>
>>> There are two places in GetDevice() where
>>> cStatus::MsgChannelSwitch(this, 0)
>>> is called, but they are both *after* the final call to GetDevice().
>>> And there is this comment
>>>
>>> // only report status if we are actually going to switch the channel
>>>
>>> which refers to a change that was made in version 1.1.10:
>>>
>>> - Only calling cStatus::MsgChannelSwitch() if a channel is actually
>>> going to
>>> be switched or has actually been switched successfully (thanks to Stefan
>>> Huelswitt).
>>
>>
>> Good point. What if VDR wants to switch, but fails. Is it possible that
>> the channel change still fails after deleting liveSubtitle and
>> dvbSubtitleConverter? How does VDR itself handle this? Need to
>> investigate this.
>
> If switching to a certain channel fails, VDR will notice that the
> primary device no longer HasProgramme() and will try to switch to
> a different channel.
>
>> If a call to MsgChannelSwitch(this, 0) was done on channel change, we
>> have to make sure that the corresponding call for the new channel does
>> happen, or - worst case - there's a call for the old channel again.
>>
>>
>>> What I really see as a problem here now is that the first call to
>>> GetDevice() may call a device's DetachAllReceivers() and the second
>>> GetDevice() call may then decide to actually use a different device.
>>> I'm currently considering giving GetDevice() another parameter:
>>>
>>> static cDevice *GetDevice(const cChannel *Channel, int Priority, bool
>>> LiveView, bool Query = false);
>>
>> +1, as I know that something like this was on some wish lists for some
>> time. ;)
>
> I'll release version 1.7.25 later today, so that all these changes can
> be reviewed and tested.
>
> Klaus
>

A problem I have run into before is not that a channel is down, though 
that also happens, but that a tuner is down. I've had tuner crashes, but 
vdr just stayed with that tuner/chanel and recorded nothing. I currently 
have 5 ATA tuners. 2 Dual tuner cards and a single.



More information about the vdr mailing list