[mythtv-users] Jump back behavior

[Dan Wilga]

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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