[mythtv-users] MythTV should react on stop of DVB stream

[Michael T. Dean]

On 04/24/2013 01:21 AM, Thomas Börkel wrote:
> On 14.04.2013 22:37, Michael T. Dean wrote:
>
>> FWIW, if the driver tells MythTV there's a problem, MythTV reacts.
>> IMHO, the driver should figure out if there's a problem, and MythTV
>> shouldn't be trying to figure it out for you.  Different hardware works
>> differently and the whole point of drivers is to insulate applications
>> from those differences.  Trying to figure out a proper value for when to
>> say, "Obviously this card or driver is broken, and I, the Great and
>> Powerful MythTV, am smarter than both the card and the driver, so I
>> shall unilaterally just start hammering the (same|different) card to try
>> to stop a recording and start it over," would probably mean that it kind
>> of works for some, it causes problems for others, and it's right for
>> maybe one.
>>
>> So, the best solution is to have working hardware (mine just works,
>> FWIW).  The 2nd best solution is to have drivers that detect when your
>> hardware fails and gives the application an error, so it can react to
>> valid information, rather than conjecture.  Granted, it can be a
>> challenge to work within the bounds of "I want hardware that just works"
>> when constrained by operator requirements (with DRM and access control
>> and ...), but that's the challenge of using your own built-from-scratch
>> DVR rather than the one the service provider has customized to work with
>> their system.
> In an ideal world, where all hardware and software works as specified, I
> would agree. But it's not.
>
> In my case, at the scheduled end of the recording, MythtV recognizes the
> problem by writing something like that in the log:
>
> "Poll took an unusually long time 4907229 ms"
>
> Why not give up after 10 seconds and restart the recording, if it's a
> one-time only recording?

Why 10 seconds?  How do we know the card isn't just holding data in 
buffers and plans to give it to us later?

>   That would not fix my hardware or software
> problem, but it would be much easier to live with it. And it should not
> be too hard for MythTV to do this.
>

Have you asked the driver developers to put in a proper error state to 
handle it?  That would actually fix /every single application/ and not 
just MythTV.

Mike