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Waveform FCP losing asking to re-render, even footage that has no effect (!)
MacBookPro 2.0Ghz i7 8Gb RAM intel Iris Pro (retina) – external Lacie Thunderbolt drive – OS 10.9.5
So I have a ProRes HQ 1080p sequence, with 95% ProRes HQ footage in it. The project is about 67 min long. I render the whole timeline, export, all is fine. Then when I reopen the project hours later on the same setup, I decide to change color correction on one clip in the sequence. I use the built-in waveform monitor. With this, about 30 % of my sequence goes “un-rendered”, even clips that are ProRes HQ (the same as the sequence settings) and that have NO effects or motion changes…! To be specific, they have orange bars, since I set the sequence to real-time effect playback). When I turn off Waveform, the sequence goes back to being “rendered”.
So what is the waveform doing that it temporarily makes several clips ” unrendered”?