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|ID||Project||Category||View Status||Date Submitted||Last Update|
|0001832||Kdenlive||Effects||public||2010-09-28 21:35||2012-02-07 11:32|
|Target Version||Fixed in Version|
|Summary||0001832: Render the preview of timeline (with effects & transitions)|
|Description||When many effects and/or transistions are put on a clip(s) in the timeline, realtime playback is choppy (especially with hd content). I propose that the each clip be rendered out as a temp file. (do not render the whole timeline beacuse the if one clip is changed the whole timeline has to be rendered again) When the timeline is played back the clip are played back the effects and transitions are already rendered. This feature would be comparible to the feature in final cut pro. This will greatly help older computers be more usable. (and allow more effects to be added to a clip)|
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|Build/Install Method||Distribution package|
|I agree this is related to proxy editing, but is also completely different. Rendering of effects and everything would allow unlimited effects on a clip. (Making Kdenlive more professional) Proxy editing would not be a substitute of this.|
|yes, but when doing the final render, we will replace the rendered clip with the original I think, otherwise we will loose in quality. so from my (developer) point of view, it the same as proxy clips: temporarily replace a clip in timeline with another...|
|I see what you mean. I'm not sure what this means for you but, I think that everytime you "effect render" all the effects should be rendered from the original file. (so if you add one effect and render, then add another and render, two effects will be rendered the second time. (not render the one effect on top of the first render)|
Sorry for digging this issue up.
Because working with proxy clips is not the best way if you want to edit a film in full resolution on a powerful machine and try to get a smooth playback while heavy color correction, I would appreciate a previewing feature like Premiere or Cinelerra provide.
The whole timeline gets pre-rendered in the background and an indicator above the timeline shows the areas which are already pre-rendered. Playing or scrubbing the timeline of cause now uses the pre-rendered clips. Rendering every clip independantly with an own thread will provide the full force of multicore computing ;)
But because complex transitions can not be split up into clips that easily, maybe it shold not become a clip-based system but a frame based rendering.
In addition, if you turn the auto-rendering off, a feature that allows to define an area rendered for preview manually would be great.
|2010-09-28 21:35||jv13613||New Issue|
|2010-09-28 22:30||j-b-m||Relationship added||related to 0001583|
|2010-09-28 22:30||j-b-m||Assigned To||=> j-b-m|
|2010-09-28 22:30||j-b-m||Status||new => acknowledged|
|2010-09-28 23:16||jv13613||Note Added: 0005926|
|2010-09-29 07:45||j-b-m||Note Added: 0005929|
|2010-09-29 18:39||jv13613||Note Added: 0005935|
|2012-02-07 11:32||Sunboy||Note Added: 0007872|
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