[mythtv-users] Jump back behavior

[Don Brett]

On 8/11/2014 8:36 AM, Dan Wilga wrote:
> On 8/10/14 8:33 PM, Don Brett wrote:
>> On 8/8/2014 2:18 PM, Dan Wilga wrote:
>>> On 8/8/14 10:00 AM, Don Brett wrote:
>>>> Using mythfrontend 0.27.3.  I've noticed the "jump-back" function 
>>>> is real sluggish.  There's a slight delay (up to two seconds) 
>>>> between pressing pg-dn and anything happening. Some observations:
>>>>
>>>> -Watching show > press pg-up (jump back): .5 to 2 second delay
>>>> -Watching show > press pg-up (jump back) three times: long delay, 
>>>> eventually executes all three
>>> I can't recall seeing any speed degradation. Are you sure you're not 
>>> comparing different file formats or degrees of quality in the 
>>> content you're playing?
>>>
>>> For instance, a .mkv will usually take longer to seek than a .mpg 
>>> file. I assume this is because it simply takes more processing power 
>>> to decode. Similarly, if you're comparing 1080i vs. 480i content, 
>>> there could be a significant difference in speed due to having to 
>>> decode more than six times as much data.
>>>
>> As it turns out, it was the file format...recordings from HdPvr's are 
>> affected.  I guess there was an improvement in the jump method, but 
>> this format didn't like it.  They're working on putting in a better 
>> solution now.
> Yes, I saw the commit over the weekend and compiled the new version. 
> The speedup in seeking is dramatic. It's now nearly instantaneous on 
> all of my frontends.
>
>
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I just did the upgrade, you're right, way better.  It's back to 
normal...or maybe a bit faster.

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