[mythtv-users] external channel changing script lag problems

[Joe Auty]

Brian Wood wrote:
> Joe Auty wrote:
>> Michael T. Dean wrote:
>>> On 10/06/2007 03:37 PM, Joe Auty wrote:
>>>> My external channel change script (pasted below) takes so long to
>>>> execute with a sleep set to 1.25 that when I select "Watch TV" there
>>>> seems to be a timeout. I see in my logs:
>>>>   
>>> ...
>>>> When I decrease the sleep time, I can watch TV. However, with a
>>>> decreased sleep time my channel changing script doesn't change channels
>>>> properly - it needs that long sleep time.
>>>>
>>>> Is it possible to not set any starting channel at startup and to just
>>>> leave the channel set at whatever it was set at last? Is it possible to
>>>> increase the timeout values upon invoking a Watch TV? Is it possible to
>>>> use a separate channel changing script for presetting the initial channel?
>>> You can, instead, just background the channel change script with the
>>> larger sleep time--i.e. add an "&" at the end of the command line. 
>>> Then, Myth will think the channel change was instantaneous and the
>>> channel change script will continue to execute as Myth starts up TV.
>>>
>> So, you mean add the & to the tail of the externalcommand MySQL field?
>>
>> When I do this, I can get into watch TV, but I can't change channels as
>> it seems that commands are being sent to the script as follows:
>>
>> /path/to/script & <channel>
>>
>>
>> The channel is seen as a second, unrecognizable command.
>>
>> Can you elaborate a little bit on what you meant here?
>>
> 
> Put the "&" at the end of the line, after the channel #.
> 

How would I do that? What exactly needs to be entered into the external
channel change database field to do this? I thought that basically
channels were piped to the value of this field (which is the path to the
script)? How can I include the channel variable within this field value?

Does my question make sense?


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-- 
Joe Auty
NetMusician: web publishing software for musicians
http://www.netmusician.org
joe at netmusician.org