https://bugs.kde.org/show_bug.cgi?id=503692

            Bug ID: 503692
           Summary: OpenTimelineIO Import / Export Issues - Plus Davinci
                    Resolve Errors
    Classification: Applications
           Product: kdenlive
           Version: 24.12.3
          Platform: Flatpak
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: Project Bin & Import
          Assignee: j...@kdenlive.org
          Reporter: nuxt...@gmail.com
  Target Milestone: ---

** Kdenlive 25.04.0 **

SUMMARY
a) When Exporting OpenTimelineIO, Kdenlive does not include file extension in
the exported file (missing .otio).

b) When Importing .otio file (exported from Davinci) into Kdenlive, there is no
prompt to locate missing assets (video, audio, etc). [Resolve and Kdenlive each
being on different PCs]

c) When Importing .otio file (exported from Kdenlive) into Davinci, the order
of the tracks is inverted. V1 becomes V2.


STEPS TO REPRODUCE (a)
1. Menu bar, File > OpenTimelinIO Export...
2. Chose destination. name file.
3. Export.

OBSERVED RESULT
OpenTimelineIO file does not have .otio extentio - so file cannot be see by
Kdenlive when Importing OpenTimelineIO.

EXPECTED RESULT
Exported file include .otio extension in file name.

+++++++++++++++++

STEPS TO REPRODUCE (b)
1. Export .otio file from Resolve [Resolve being on different PC than
Kdenlive].
2. Import .otio file into Kdenlive: File > OpenTimelineIO Import...
3. Select .otio file that is from other PC.

OBSERVED RESULT
[Resolve and Kdenlive each being on different PCs] Kdenlive does not prompt
user to locate missing asset files.
Instead returns an error message and stops there. Crashes if user tried to
replace files from bin by right clicking.

EXPECTED RESULT
Kdenlive to prompt user to locate missing assets on local system.

+++++++++++++++++

STEPS TO REPRODUCE (c)
1. Export .otio file from Kdenlive: File > OpenTimelineIO Export...
2. Import .otio file into Resolve.

OBSERVED RESULT
The order of the tracks become inverted inside Davinci Resolve, where track V1
goes where V2 is, so above - track V2 goes where track V1 is, so under. This
includes A1 and A2.

EXPECTED RESULT
For the order of the tracks to remain the same, V1 being under and V2 being
above V1 inside Davinci Resolve


SOFTWARE/OS VERSIONS
Windows: 
macOS: 
(available in the Info Center app, or by running `kinfo` in a terminal window)
Linux/KDE Plasma: 
KDE Plasma Version: 
KDE Frameworks Version: 6.13.0
Qt Version: 6.8.3

ADDITIONAL INFORMATION
I know that the Davinci Resolve section of the report might be a stretch, but
that's how I tested the cross-compatibility.

The real issue, which would happen regardless of what software was used to
export the .otio file, is that Kdenlive does not prompt the user to locate the
missing assets like it would if the user was opening a .kdenlive project where
the assets had been moved to different folders

The OpenTimelineIO export not including the .otio extension in the exported
file could cause issues when importing .otio files later on as Kdenlive does
not identify OTIO files without the extension - at least on my system, Linux
Mint running Flatpak.

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