[kdenlive] [Bug 351381] 16.08.0: no timeline preview for 60fps FullHD project

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=351381

--- Comment #23 from h.k.gh...@gmail.com ---
(In reply to Wegwerf from comment #21)
> Vincent, thank you for adding these profiles! Seems as if ghosts have no
> thanks...?

I have (finally) returned with some results. (Sorry I took so long. I had other
things to take care of and did not try to edit any videos until this past
weekend.)

I'm using version v17.03.70 on
 * KDE Frameworks 5.26.0
 * Qt 5.6.1 (built against 5.6.1)
 * The xcb windowing system

I tried the preview render option with the preview profile and, while it still
needs time and processing power to do that, it's still an improvement, since I
don't need to keep rendering independent sections and trying to see them
outside without the timing data. It's far from ideal, but it's still more
usable than the previous alternative, and therefore, gets my thumbs up.

Although I'm not a pro at editing by any stretch, I'm looking forward to
additional performance improvements that will (hopefully) remove the need to
rely on preview-rendering entirely (e.g. GPU-based stuff going stable and
working very well).

Best Regards.

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[kdenlive] [Bug 351381] 16.08.0: no timeline preview for 60fps FullHD project

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=351381

--- Comment #22 from h.k.gh...@gmail.com ---
(In reply to Wegwerf from comment #21)
> Vincent, thank you for adding these profiles! Seems as if ghosts have no
> thanks...?

Sorry, I have not tried your last set of steps yet. That's why I have not
posted before, not because I'm "ungrateful"... :/

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[kdenlive] [Bug 351381] 16.08.0: no timeline preview for 60fps FullHD project

[Wegwerf via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=351381

--- Comment #21 from Wegwerf  ---
Vincent, thank you for adding these profiles! Seems as if ghosts have no
thanks...?

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[kdenlive] [Bug 351381] 16.08.0: no timeline preview for 60fps FullHD project

[Vincent PINON via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=351381

Vincent PINON  changed:

   What|Removed |Added

 Resolution|--- |FIXED
  Latest Commit||http://commits.kde.org/kden
   ||live/0dd5affc77b59dc962a789
   ||813e11bb41c21a64b9
 Status|REOPENED|RESOLVED

--- Comment #20 from Vincent PINON  ---
Git commit 0dd5affc77b59dc962a789813e11bb41c21a64b9 by Vincent Pinon.
Committed on 20/08/2016 at 19:33.
Pushed by vpinon into branch 'Applications/16.08'.

Add 50 & 60fps transcoding profiles

M  +3-0data/encodingprofiles.rc

http://commits.kde.org/kdenlive/0dd5affc77b59dc962a789813e11bb41c21a64b9

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[kdenlive] [Bug 351381] 16.08.0: no timeline preview for 60fps FullHD project

[Wegwerf via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=351381

--- Comment #19 from Wegwerf  ---
BTW: for a single clip that gives me 60fps instead of 18fps.

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[kdenlive] [Bug 351381] 16.08.0: no timeline preview for 60fps FullHD project

[Wegwerf via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=351381

Wegwerf  changed:

   What|Removed |Added

 Ever confirmed|0   |1
Summary|Video preview of clips with |16.08.0: no timeline
   |transitions in project  |preview for 60fps FullHD
   |monitor area is extremely   |project
   |slow|
 Resolution|FIXED   |---
 Status|RESOLVED|REOPENED

--- Comment #18 from Wegwerf  ---
Ahh, this helps a lot and I was able to reproduce, coming up with a workaround!
So the problem is that the 60fps project setting. For some reason, Auto doesn't
work here. I'm thus reopening this bug for Jean-Baptiste and update the title
accordingly.

Alas, here's the workaround:
1. Project -> Project Settings
2. Click "Manage timeline preview profiles"
3. Click on "DNxHD 1080p 30fps"
4. Click on "+" to create a new preview profile.
5. Edit  name to "DNxHD 1080p 60fps" and update parameters to 60 fps; this is
the r parameter: "r=60 s=1920x1080 vb=45M threads=0 vcodec=dnxhd"
6. Save
7. Close
8. Now change preview profile to new "DNxHD 1080p 60fps"
9. Add preview zone.
10. Start preview render.
11. Enjoy -- hopefully ;)

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