If you like to edit slowly and inefficiently, if you love seeing the beach ball in Final Cut Pro, then you will hate this article. Nothing takes me out of the flow state faster than a choppy timeline, or pressing the space bar and waiting a few seconds before it actually plays. Let's kill the settings responsible.
1. Better Performance playback
Go to View, Quality and switch from Better Quality to Better Performance. I'll occasionally flip to Better Quality to check full resolution, but Better Performance prevents a ton of timeline lag. And don't worry: your export is full quality regardless of this setting.
2. Turn OFF background rendering
Crucial one. Press Command Comma, go to Playback, find the rendering section. Background rendering is on by default, and it tells Final Cut to start processing your timeline every time you pause for a few seconds, which slows your machine down AND balloons your library size with endless render files.
"But doesn't rendering make playback smoother?" It does, and the other settings here mean you won't need it. If a specific clip still plays back choppy, select it and press Control R to render just that clip.
3. The trio: G, H, and B
This one is what the hammer is to Thor, what the Walther PPK is to James Bond, what the drum set is to Dale Doback. Press Option Command K for the keyboard shortcut editor (duplicate the default set first and name it whatever you want).
Search "trim": assign Trim End to H, and Trim Start to G. Then search "blade": make Blade (the cut function) the B key, and give the blade TOOL Command B, basically swapping them. Burn the bridges and delete the old assignments so you commit.
Now: G trims everything left of the playhead, H trims everything right, and B makes an instant cut. No Command anything. Three keys, side by side, center of the keyboard, right by the space bar, cutting like they've got no morals in a Saw movie.
4. Stop the secret ProRes factory
Command Comma, Playback: turn off Create optimized media for multicam clips. It's on by default, and every multicam clip you make (which I recommend even just for syncing audio) quietly converts footage to big ProRes 422 files in the background, eating your processor while you edit. While you're at it, check the Import tab and make sure automatic transcoding on import is off too.
If you DO need transcoding because your timeline is struggling: right-click a clip, several clips, or a whole event and hit Transcode Media. Skip optimized media and choose proxy media, ProRes Proxy at 50% or 25%: much smaller files, good playback quality, smooth timeline. Just remember to set View to Proxy Preferred while editing and back to Optimized/Original when you export.
5. Keep the playhead where you left it
Another one Apple should ship off by default. Add a title or connect a clip with Q and your playhead jumps to AFTER the new item, which makes no sense when you obviously want to preview what you just added. Command Comma, Editing, turn off Position playhead after edit operation. Now the playhead stays put and the space bar instantly previews your addition.
6. Match your project frame rate
When you press Command N for a new project, match the frame rate to your footage. Mismatches cause stuttering, lagging, and freezing, and plugins especially can bug out when project and footage frame rates disagree. 25fps footage, 25fps project. Or just use automatic settings, which sets the project from the first clip you drop in.
7. See what you've already used
Go to View, Browser, Used Media Ranges. An orange bar appears on every section of a clip you've already placed in your video, so you stop re-scrubbing the same material over and over hunting for fresh shots.
Change these and you'll keep a seriously good pace while editing. Have a great rest of your day!
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