Great Work Frodo ! (1 Viewer)

CHli

Portal Pro
July 5, 2005
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I installed new CVS after reading this :

On 17/02/2006 [08:19:47] _Frodo added the following change: added partial graphbuilding/destroying

I think this modification changed significantly the channel change speed !

Amazing !!!

Thank you Frodo.
 

onkl

Portal Pro
February 18, 2005
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CHli said:
I installed new CVS after reading this :

On 17/02/2006 [08:19:47] _Frodo added the following change: added partial graphbuilding/destroying

I think this modification changed significantly the channel change speed !

Amazing !!!

Thank you Frodo.
Aha, i was wondering what could be partial about graphbuilding. :? Once translated into "improved channel change speed" I'm very happy. Thanks Frodo, for making me happy by improving stuff I didn't even know it existed :wink:
 

onkl

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February 18, 2005
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CHli said:
it's only my humble opinion :)

Perhaps it's just an impression, we need more feedback :)
Oh well, without Frodo and the devteam there wouldn't be channels, changing channels or an improvable change of channels speed, so I can't be to far of when aiming my gratitude :lol:
 

mPod

Portal Pro
January 26, 2005
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I don't wanna disappoint you, but it doesn't really improve channel switching. See this note from Frodo:
<_Frodo> in case anybody wonders what partial graphbuilding is:
<_Frodo> MP now completly destroyed the directshow graph when leaving my tv, grabbing epg or when switching timeshift on/off
<_Frodo> because the graph was destroyed, it had to completely rebuild the next time the card was gonna be used
<_Frodo> building/destroying a graph takes time. this can be a lot of time (seconds) in case of some drivers
<_Frodo> what MP does now is
<_Frodo> it keeps the base graph
<_Frodo> and only removes/adds those filters it (doesnt) need
<_Frodo> makes graphbuilding much faster (and cleaner)
<_Frodo> example
<_Frodo> suppose timeshifting is off and you are watching tv
<_Frodo> then you go back to home
<_Frodo> previous, entire graph was then deleted, not anymore now
<_Frodo> next time you enter tv (or if MP decides to grab the epg in the background)
<_Frodo> it only needs to add the codecs, vmr9 filters
<_Frodo> and it can start watching tv again
Channel switching speed depends on your TV card and its drivers.

But nevertheless, this is a great improvement for MediaPortal!!!
 

CHli

Portal Pro
July 5, 2005
1,251
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Switzerland
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ok thanks for the information !

I certainly changed something else that makes it changes faster :)

(i recently installed new TV card drivers, but I only see the speed up now...)

Thanks anyway for this great tuning.
 

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