** Changed in: openshot
Milestone: 1.4.1 => 1.5.0
** Changed in: openshot
Milestone: 1.5.0 => None
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You received this bug notification because you are a member of UBUNTU -
AL - BR, which is subscribed to OpenShot Video Editor.
https://bugs.launchpad.net/bugs/725303
Title:
Smooth video retiming
Status in The GStreamer Multimedia Framework:
New
Status in Novacut Video Editor:
New
Status in OpenShot Video Editor:
Triaged
Status in PiTiVi , Non-linear video editor:
New
Bug description:
Smooth slow motion compositing should be available using optical flow.
This should be done with curves that allow arbitrary time
accelereation/deceleration/reversal rather than a constant factor.
For gstreamer apps, this means supporting the gstreamer optical flow
plugin. The optical flow plugin should also get on par with V3D (part
of the nvidia cg toolkit http://developer.nvidia.com/cg-toolkit-
download), which is used for slowmoVideo:
http://slowmovideo.granjow.net/
Depending this article in French
(http://linuxfr.org/users/dtschump/journaux/retiming-vid%C3%A9o-et-
logiciels-libres), there is two solutions either remove some frames
(you loose in quality) either you keep the number of frames initial,
add some intermediate frames, which one interpole the movement and the
pixels.
Quickly, I will develop in another bug. This algorithm is a part of the
impressive awesome G'mic () which one is a framework, a library and a script
language(at the level of Mathmap, Imagemagick) Easy to install because he is
in the repository, You have two examples in EKD and the plugin G'mic for The
Gimp. And that 's just a few part of his potential (more than 500 commands
available (or 1000 , I don't remember exactly the number !!!) . This algorithm
done a clean work.
Two sample are better that 1000 words.
The original video :
http://video.google.com/videoplay?docid=-2836117890993338671&hl=en%22#
The video with the algorithm :
http://video.google.com/videoplay?docid=2486178536262832270&hl=en#
Thanks.
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