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how to force stabilization processing?

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18 Apr 2022 00:38 #120061 by mixedup
I'm noticing that sometime (when I have several clips in a project with stabilization ticked) that FCP isn't doing any processing.  If I wait a bit (i.e. not using FCP) it still doesn't start processing. The when I go to "share" it highlights there is still processing (stabilization) to be done.  

So just wondering is there a way to "force" stabilization processing? 

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18 Apr 2022 01:36 #120065 by DaveM
You might want to check your render settings in Preferences. Background rendering is on by default. Unrendered items get rendered on export/share.

You can force a render of selected clips with control-R, or all clips with shift-control-R.


Cheers.

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18 Apr 2022 03:00 #120066 by mixedup
Thanks. I’ll try this.

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18 Apr 2022 04:41 - 18 Apr 2022 14:20 #120068 by DaveM
Mea culpa... I got a little mixed up myself... ;-)

I just ran a test on a 56-minute ProRes 422 HD clip (checked stabilization). "Analyzing for dominant motion..." appears at the bottom left of the Viewer. Of course, you probably don't want to process a clip anywhere near this long. This message appears if the playhead is over the clip being stabilized. You probably would only see this message for a very long clip. I also did a test on 3 4-minute clips and the message doesn't appear. Again, 4-minute long clips are pretty extreme.

The Background Tasks window shows that this is happening under the Transcoding and Analysis section, not rendering.If I play back the timeline or do any editing, the processing stops.

Everything is happening in the background. After a second, or so, of inactivity, the processing restarts.Since this happens during no user activity and can't be linked to background rendering settings, as I have background rendering turned off.

You should be able to look at the Background Tasks icon or open that window and monitor the process.

I wonder if deleting generated clips might help.

Of course, the processing time depends on your computer configuration, length and codec of the clips, etc.

Sorry about any confusion...

P.S. - I tried another quick test. I stabilized 3 clips that were 5 to 10 seconds long each, in a sequence of 2 minutes and 3 seconds. Stabilizing each clip took less than a second. On doing a test export to ProRes 422 HQ from a sequence with the same settings, exporting with the clips stabilized took the same time to process as without stabilization applied (within a second). So, it seems that stabilizing clips can be very fast and almost unnoticeable, depending on the clip and your system.
Last edit: 18 Apr 2022 14:20 by DaveM.

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19 Apr 2022 02:47 #120081 by dgwvideo
I'm quite sure that this is a bug that has been around for a couple of years.  I have seen it many times in the past. As suggested, deleting generated files in the library probably fixes this most of the time.  I would turn off stabilization on the clips before doing that, otherwise when the project loads back up, FCP will attempt again to stabilize.  Turn it on clip by clip if you need it and see if it now works normally.  This actually happened to me on an edit last week, but I decided to replace the clip with one that didn't require stabilization.

Creating history....one edit at a time !

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20 Apr 2022 14:34 #120103 by Kligan
Thanks! It helped me as well!

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