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How can you set a preferred poster frame for iMovie 10? I looked at a lot of answers on the internet, but can't find the solution. The poster frame that's being used is a frame automatically taken from the middle of the first part of the movie.
MacBook
Unfortunately, as you have found, iMovie randomly selects the poster frame. There is no feature that allows one to change the frame that iMovie selected. The only way that I have found to change the frame is to add a black frame of suitable duration at the end of the iMovie project timeline. That will change the location point of the frame that iMovie chooses. Even that is a bit hit or miss. You cannot select what frame you want -- it would just be a different frame.
After you have shared out your movie you can change the poster frame of the movie by doing a Control-click/Get Info on the movie's icon and substituting a new photo in the display icon at the very top of the Get Info box. It probably won't carry over to another app, however.
You can change the poster frame if you upload your video to You Tube. You Tube has that feature. Not sure whether the selected frame carries over when you download the video back from You Tube.
You also can set the poster frame of a video in the Photos app by clicking on it and then clicking on the little gear icon in the right hand side of the video control box that appears. However, again, it won't carry over.
-- Rich
Unfortunately, as you have found, iMovie randomly selects the poster frame. There is no feature that allows one to change the frame that iMovie selected. The only way that I have found to change the frame is to add a black frame of suitable duration at the end of the iMovie project timeline. That will change the location point of the frame that iMovie chooses. Even that is a bit hit or miss. You cannot select what frame you want -- it would just be a different frame.
After you have shared out your movie you can change the poster frame of the movie by doing a Control-click/Get Info on the movie's icon and substituting a new photo in the display icon at the very top of the Get Info box. It probably won't carry over to another app, however.
You can change the poster frame if you upload your video to You Tube. You Tube has that feature. Not sure whether the selected frame carries over when you download the video back from You Tube.
You also can set the poster frame of a video in the Photos app by clicking on it and then clicking on the little gear icon in the right hand side of the video control box that appears. However, again, it won't carry over.
-- Rich
Thank you for your complete answer! It reflects what I found on different sites / communities. I also tried your other tips, but indeed they won't carry over. I also tried opening the rendered movie in Adobe Premiere Pro. Here you are able to set the poster frame, but it won't carry over either. Unfortunately. Let's hope Apple will fix this in the near future.
By the way, your answer on iMovie exports with random glitches was spot on! Converting from HEVC to H.265 solved that problem. Very happy with that knowledge! Thanks!
Glad I could help.
Things like poster frames don’t go into the meta data. They are file management data specific to an app, and so they don’t carry over. Maybe there is some app out there that can do it.
— Rich
Sorry I meant your answer converting from HEVC to H.264(!) solved that problem.
iMovie 10: setting a preferred poster frame
