John Kiril Swenson 8d8a84ffb4 VSE: Fix crashes adding freeze-frames to segments
If a freeze-frame retiming key was added to either a transition or
freeze-frame segment when the strip was selected, Blender would crash.
The issue is that `SEQ_retiming_add_key` returns `nullptr` if the start
key of the current segment is one of these types, and never bothers to
cancel the operation if this happens.

Instead, it only attempts to get a key at the current frame with
`SEQ_retiming_key_get_by_timeline_frame`. This is redundant, since there
are already checks to see if that key exists in `SEQ_retiming_add_key`.
Remove this code and move up the other `nullptr` check to fix the bug.

Pull Request: https://projects.blender.org/blender/blender/pulls/123981
2024-07-01 23:25:11 +02:00
2023-12-08 13:28:13 +11:00
2024-06-18 12:09:43 +10:00

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