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I've got two source clips, and I want specific frames to line up across the merged playback sequence.
Eg.
clip1@frame38 & clip2@frame27 >> merge1@frame27
clip1@frame56 & clip2@frame40 >> merge1@frame56
This requires the playback-speed of at least one source clip to be modulated between the synchronization points on the timeline.
I'm using Resolve, but if you know how to do this in fcpx or premiere that's fine too.
I'm a novice in Resolve, Premiere, and FCPX, but in case none emerges to write up an in-built or automatic procedure, in your place I would think of it as two ops:
First calculate and apply the correct playback speed adjustment. For your example:
clip1: 56-38 = 18 frames difference, 19 frames inclusive
clip2: 40-27= 13 frames difference, 14 frames inclusive
so to show those frames across the same time span for synchronized playback of both clips, your choices are to
play clip1 at nineteen fourteenths as fast: 19/14 = 1.357 = 135.7% or
play clip2 at fourteen nineteenths as fast: 14/19 = 7.368 = 73.68%
Second, now that they'll both be playing at the correct speed, it's just a matter of aligning any frame you can conveniently match up between clip1 and clip2.
This can be achieved with a Fit-to-Fill edit using 4-point editing.
We will assume:
Perform the 4-Point Edit:
