[mythtv-users] Channel switching with pvr-350/dc50x

[Don Brett]

On 7/6/2014 12:40 PM, Don Brett wrote:
> On 7/5/2014 11:22 PM, Gary Buhrmaster wrote:
>> On Sat, Jul 5, 2014 at 1:46 PM, Don Brett <dlbrett at zoominternet.net> 
>> wrote:
>> .....
>>
>>>   Any suggestions for the next step?
>> There seems to be a couple different things going on here,
>> including some method where the FE keeps running (audio)
>> even after X is killed.  That sounds more than a bit strange
>> to me.  And a PVR-x50/500 does not tend to produce a minute
>> of pixelated video unless the input is also pixelated.  I presume
>> the same channel when played back after recording looks
>> fine?  Are you using RF or attempting Composite input to
>> the PVR-350 with a separate audio feed?
> FE keeps running audio...strange - Agreed, never seen that before
> Pvr-150 pixelated - Right, they tend to be rock solid
> Same channel when played back after recording looks fine? - Yes, it 
> looks good
> Note - just noticed this morning, something is wrong with scheduled 
> recordings, playback was fine, but it had the wrong channel.  (sd 
> instead of hd).
>
> System setup:
> Remote control and blasters:
> -Usb connected mce ir receiver w/blaster outputs
>
> Pvr-150:
> -coax cable input from Pace dc50x digital adapter (video and audio 
> together)
> -uses channel change script with custom config file (script from 
> MythTv wiki)
> -script uses blaster transmitter #3 of mce box
> -Pvr-150 has unused blaster output
>
> Hd-Pvr:
> -component video (r,g,b) & audio; all rca connections from Pace stb
> -uses channel change script with custom config file (script from 
> MythTv wiki)
> -script uses blaster transmitter #1 of mce box
> -Hd-Pvr has unused blaster output
>
> Note -  Pvr-150 and Hd-Pvr use the same script; same file name, each 
> with custom config file.  Should I duplicate the script and give them 
> unique names?
> (i.e. "LircChannelChanger-Pvr-150" and "LircChannelChanger-Hd-Pvr").
>
> HD HomeRun:
> -no script, just an Ethernet connection
>
> Script setup is here:
> http://ubuntuforums.org/showthread.php?t=2228599&p=13044526#post13044526
>
>>> Note - Box has 2 gig of ram / video card has 1 gig of ram ...enough?
>> 2GB is a bit low, but likely enough, but with some of your
>> other symptoms, it is possible that the box is resource
>> constrained in some way.
> This morning I notice that the jump forward/back are a bit sluggish.  
> Last time I saw that, adding ram solved it.  I'll order another 2 gig.
>
>> I think you are going to have to provide a bit more detail
>> regarding your system and how it is being setup.
> See above, enough detail?
>> At this point, I am likely just guessing, since I removed
>> all my PVR-x50 cards from my BE many many many
>> years ago.  Perhaps someone else has a better idea.
>>
>> I will note that if your cable provider is one of the big
>> players, when they deleted analog they are required
>> by the FCC rules to provide you with a CableCARD
>> for "free" for a year (or more; circumstances will vary).
>> You might want to consider an OCUR (CableCARD)
>> tuner if your provider does not mark all the content
>> copy-once.
> Yes, they provided the external Pace dc50x digital adapter, which is 
> what started this thread.  I'll report back once the additional ram is 
> installed.  Any other suggestions appreciated.  Thanks for the help.
>
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Just reporting the results:
-Added 6 gig of ram for a total of 8 gig: No difference on channel 
changing problem.  Jump back is still a little sluggish (no change).

-Swapped out Pvr-350 with the working Pvr-150 from the test box.  No 
difference on channel changing problem.

Next, I'll try renaming the scripts to  unique names.  Any other 
suggestions appreciated.