Questions tagged [video-editing]

tag for any question relating to video editing, or the process of manipulating video on a computer

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What is this HEVC-specific bar in the iOS default video editor?

I went to edit a HEVC video for the first time and there's this new bar but it's unclear what it does. Dragging the thick handles (where the frequency of the bars changes) seems to move the preview ...
WhatHiFi's user avatar
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How to convert a bunch of videos using avconvert on MacBook?

I have to convert a lot of videos and save the metadata. The only way I found is to create the command for every video and paste it into Terminal. If I select all the files in the folder and convert ...
Kirill Gurei's user avatar
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63 views

How can I split a long video into several 5-minute videos on an iPhone?

I have an iPhone 12 with iOS 15. How can I split a long video into several 5-minute videos on an iPhone? I have several long videos. They were recorded with the same iPhone with 4K and 60FPS. I don’t ...
Franck Dernoncourt's user avatar
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132 views

Quicktime player: merging multiple videos results in much greater file size than original clips

I used Quicktime player to merge multiple videos. Info: The file size of all the original clips that I merged is 3.06GB Used HEVC codec Source is also HEVC Resolution and size of merged videos ...
Nickotine's user avatar
  • 288
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macOS Photos app stops working after editing 1-2 videos

I have several mp4 video files that I want to edit (crop, rotate, change aspect ratio, reduce file size) and find that the macOS Photos app can do all. However, the app stops working after editing 1-2 ...
Yuki Takahashi's user avatar
1 vote
0 answers
81 views

Recreating "split screen" + "slide" from iMovie in Final Cut

So there's a super simple effect you can do in iMovie, where you add an image on top of the timeline, then set it to Split Screen, and use the Slide slider to set the timing, and the image will ...
jerclarke's user avatar
  • 259
2 votes
1 answer
2k views

How long does iPhone store the original of a cropped video?

I tend to take a lot of videos with my iPhone 12 (iOS version 15.6) but usually crop them to only keep the significant parts. However, I noticed that videos recorded and cropped almost 2 years ago ...
Patrick's user avatar
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0 answers
420 views

Are all edits in Photos permanently reversible?

When I edit photos and videos in Apple's Photos.app on desktop or iPhone/iPad it appears that the original video is stored forever, so any edits I make can be undone. I can crop, rotate, retouch, ...
Robert's user avatar
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Mac software to edit audio track for a video file?

A couple of times now, I've 'cuffed' a movie to make it family friendly, by reversing any bits of swearing - "We want ze neekuff money, Lebowski" etc. (the latest was Beetlejuice which has ...
Max Williams's user avatar
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2k views

iMovie export settings - what *exactly* do they do?

In iMovie 10, the export options are limited to: Format (Video and Audio, Audio Only) Resolution (540p, 720p, 1080p, sometimes 4k) Quality (Low, Medium, High, Best (ProRes), Custom) Compress (Faster, ...
the-baby-is-you's user avatar
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What does Compressor offer that HandBrake doesn't? [closed]

Video encoding is a small hobby of mine and, while I'm familiar with HandBrake and have been dipping my toes into the far more capable and complicated world of Avisynth, I only recently learned that ...
Kefka's user avatar
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407 views

Video and Audio are out of sync in iMovie export

I have recorded video and audio with two completely independent devices. Now I want to join those two together in iMovie and export the resulting video. I have perfectly synced up the two, and when I ...
Yanick Nedderhoff's user avatar
2 votes
1 answer
144 views

Time Machine believes that iMovie Library is deleted, when iMovie is open

I have a Mac Mini (Mid-2011 model), running Mac OS X 10.11.6, with iMovie 10.1.6. I have a iMovie Library.imovielibrary file in the ~/Movies folder, which contains all my iMovie projects. When I don't ...
Gary's user avatar
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Final Cut Pro: Is there a faster way to import frames onto a timeline?

I'm rendering output from Blender into individual frames. Sometimes a single scene can have up to thousands of frames, each one a PNG file. I can import them all into an Event just fine, but when it ...
wherezyurheadat's user avatar
2 votes
1 answer
414 views

How to batch-convert Dual Fisheye Ricoh Theta 360 Movies into Equirectangular Videos?

How can I batch-convert and blend multiple Dual Fisheye Ricoh Theta 360 Degree MP4 Movies into Equirectangular Videos for upload to YouTube or use in Adobe Premiere and Final Cut Pro?
ChrisB's user avatar
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1 answer
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Simply Trimming MP4 Videos On Mac [duplicate]

So I have a simple task that I do a lot: trimming a video's head and tail off. On Windows, I open the photo, click edit, drag the bars to where I would like to cut, and I save. It will save as mp4 and ...
anonymousaga's user avatar
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1 answer
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Drive with Final Cut Pro video files on it is dying, need to point FCP to the backup drive

We have a 45 minute feature in Final Cut Pro. We've kept the video files on an external drive which is evidently dying -- like totally dying. Let's call this dying drive OldDrive. Fortunately we have ...
S. Imp's user avatar
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0 answers
25 views

Is there an iPhone video editing app which creates live editable subtitles like the iOS Clips app?

I create short English videos with subtitles for Instagram videos. My main requirement is that it creates subtitles while I speak that I can then edit. I’ve been using Clips until now but it is very ...
Phil Hatcher's user avatar
1 vote
0 answers
8k views

Final Cut Pro 10.4 for macOS Mojave

If a user is running macOS Mojave 10.14.6 and does not want to upgrade to Catalina or Big Sur, how can they trial Final Cut Pro? The latest Final Cut Pro, 10.5.1. released in December 2020 in the App ...
miguelmorin's user avatar
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1 vote
1 answer
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Need to download iMovie '09 on MacBook Pro 16" with iMovie 10

I would like to transfer old Hi8 tapes onto my new MacBook using FireWire. I have an old Digital Sony Handycam and all of the required adapters to connect it to my MacBook USB-C ports. I tried ...
ksanchez's user avatar
2 votes
2 answers
9k views

How much video can you record on a 64 GB iPhone 12?

I’m considering a phone upgrade, but don’t really need a lot of storage. Approximately, how much of different resolutions video, can one record onto a 64GB iPhone 12? How many minutes of video would a ...
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iMovie stopped exporting

I've been using/learning iMovie in order to create online classes for my students because of COVID19. Everything has been working fine until this morning. iMovie just won't export a file. I've created ...
Nisaea's user avatar
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2 votes
2 answers
12k views

mp4 H264 video won't play in iPhone safari

I have a video hosted online, and when I try to open it with Safari, it won't play (I got a crossed paly icon). When I put this video on the iCloud drive and open it with the Files app, it plays ...
Uko's user avatar
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2 votes
2 answers
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Creating a pre-recorded lecture on macOS

I have created a PowerPoint presentation and I want to create a video of me presenting it. I'm looking for a software to make my life easier. The features I'm looking for are: Can record a 25-minute ...
Ella Sharakanski's user avatar
1 vote
0 answers
19 views

Joining Video files and adding chapters for each [duplicate]

There have been a few similar posts asking my question in the past but either the apps are only 32-bit or the apps do not exist for download now. Any application suggestions that could preferably ...
Pulakesh Lohiya's user avatar
0 votes
1 answer
977 views

How do you add a "click effect" to a video using video editing software?

I have a screen recording from my iPhone, where I show a comprehensive preview of an iOS application I created. But later I found that it's hard for a watcher to find out which button I pressed to ...
Tulon's user avatar
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0 votes
1 answer
159 views

How to split a video exported from iMovie into multiple shorter videos

I have several movies that have been exported from iMovie in the mp4 format. I would like to split each of these movies into five segments, ideally without messing with the video quality/compression ...
Bunji's user avatar
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2 votes
2 answers
6k views

eye damage from iphone led flashlight

How long can someone stare at the led flashlight of an iphone while being filmed before the eyes can get permanent damages of any kind? All of the other answers out there take for granted its about a ...
NIGHTSCROLLER's user avatar
3 votes
1 answer
884 views

Mac OS Software for Creating Video Presentations

I have a MacBook Pro, and I'm looking for some software which can enable me to create video presentations. This would be similar to a set of slides containing text, images and videos (e.g. made in ...
Karnivaurus's user avatar
0 votes
1 answer
91 views

recombine iMovie clips from miniDV without volume problems between them?

I am using iMovie to import miniDV videos. The tapes are pretty old (~20 years) and there are numerous errors on them. As a result, iMovie creates lots of individual clips. When I try to recombine ...
vy32's user avatar
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0 votes
1 answer
4k views

Is it possible to trim some middle part of a video or screen recording on the iPhone or iPad to upload to YouTube?

I know how to trim start and trim end of a video or screen recording on the iPhone or iPad and upload to YouTube. But what if there are a few seconds in the video showing my user ID and I hope to ...
nonopolarity's user avatar
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SD card being wiped by iMac

I put the SD card with all the film footage on it, into the reader. I create folders, and also put the footage on to the SSD and the cloud....typical post-shoot file maintenance. I eject the SD card ...
Orange Betsy's user avatar
1 vote
1 answer
359 views

FCPX: Select all stills in timeline

I have a twenty minute project containing hundreds of clips and stills. I'd like to apply a Ken Burns effect to all the stills without affecting the clips. Is there an easy way to select only the ...
Janosh's user avatar
  • 1,081
1 vote
1 answer
13k views

How can I merge two clips into one split view using iMovie?

What I'd like to achieve is to merge two-screen recordings into one, each one takes half of the screen, using only one of the audio. An example is this one: Two recordings were joined into one on a ...
Fisher Coder's user avatar
0 votes
2 answers
2k views

Can I measure time by counting frames and trusting the '240 FPS' of my iPhone 7+ slow motion?

I'm using a slow motion video recorded using an iPhone 7+ to track something but would like to avoid using a chronometer to know the time the process is taking. I need to measure about 10 seconds with ...
Cris's user avatar
  • 103
1 vote
1 answer
3k views

Virtual video capture device?

Is it possible to create a virtual video capture device in Mac OS? Sort of like how Loopback creates virtual audio devices...? I'd like to have a setup where I can take the input from say my laptop'...
Tyler's user avatar
  • 11
0 votes
1 answer
166 views

4K video file exported from Final Cut Pro cannot be located in iTunes

I use Final Cut Pro 10.4.5 on an iMac 5k. I cannot locate the exported Apple 4k video file from Final Cut Pro X which is supposedly published in the iTunes library.
Kritika Dey's user avatar
13 votes
7 answers
40k views

QuickTime Player won't save edited file: The operation could not be completed

I've edited an MP4 movie file in Quicktime Player Version 10.5. When I try to save the edited file, I get: The operation could not be completed. Does anyone know what causes this and/or how it can ...
Richard Kranendonk's user avatar
4 votes
1 answer
486 views

Retime pop-up missing in Final Cut Pro 10.3.4

I've been using FCPX(Final Cut Pro 10) for a long time and when I installed a different version of FCPX(10.3.4) in my MacBook Pro due to a HDD Failure. I started with a new project and wanted to ...
kartlad's user avatar
  • 256
1 vote
1 answer
564 views

How can I resolve a situation in which my Mac keeps crashing while working with a specific video file?

My MacBook Pro 2016 with Touch Bar keeps having a kernel panic whenever I attempt to use a specific video file I recorded with my Atomos Shogun Flame. FCPX imports and uses all of the other files from ...
CJT3's user avatar
  • 409
5 votes
1 answer
12k views

Select a poster frame for video thumbnails in Photos app?

Is there a way to select a Poster Frame to use as the thumbnail of a video in your Camera Roll? For example, many of my videos fade up from black. Because of this, the thumbnails are black and it's ...
WarmTaunTaun's user avatar
1 vote
0 answers
444 views

Has anyone tried using FFMPEG for converting Slow Motion video captured on an iPhone to something usable on PC?

I was searching for how to move Slow Motion video from my iPhone 7 to my Windows PC. All the answers were coming up using iMovie and other Apple software. As I was not moving the video to a Mac this ...
BobLfoot's user avatar
3 votes
5 answers
121k views

No sound in iMovie of video recording using the Screen Recorder

I have an iPad (2018) 9.7-inch. I've recorded a video using the screen recorder. When I play the video on the iPad I hear a sound. When I import it to iMovie I don't hear any sound. Even when I ...
Liron Harel's user avatar
1 vote
1 answer
2k views

Is it possible to send project from iMovie 10.1 to Final Cut Pro 7.0?

I'm unsure because the "Send movie to Final Cut Pro" option is missing from the File menu whatever project I try to open. Is there something I need to do to have this option?
mimimu's user avatar
  • 11
0 votes
0 answers
348 views

Boost video’s bass

How can I boost the bass of a video? On my MacBook I’d use ffmpeg ffmpeg -i in -af bass=g=15 out But I haven’t found ffmpeg in the App Store for my phone. iMovie on iPhone seems next to useless. ...
minseong's user avatar
  • 8,744
0 votes
0 answers
111 views

Change video dimensions iPhone

On my macOS laptop I change video dimensions easily using ffmpeg, normally something like ffmpeg -i vid.mp4 -vf “scale=iw/2:ih/2” our.mp4 On the iPhone I can’t find out how I can resize a video that ...
minseong's user avatar
  • 8,744
3 votes
0 answers
553 views

Where can I find Apple Clips' EDLs? (Or hack one?)

I'm enjoying the free, nifty Clips app for iOS for making simple videos. But today after purging old photos from my Camera Roll, some of my projects in Clips were "Missing Items." Thankfully, Clips ...
EJ Mak's user avatar
  • 769
0 votes
0 answers
4k views

How to set thumbnail for movie within iMovie?

I am currently inserted a manually created thumbnail at the start of a project within iMovie. This works. But.. if i want to add a transition to the starting thumbnail, i lose the thumb in my mac, and ...
drew..'s user avatar
  • 263
1 vote
1 answer
347 views

8-16 RAM update worth it?

I'm using Gopro Fusion Studio to render 5.2k content before editing with Adobe Premiere. I never had problems rendering 4k but 5.2k makes the app crash. My Mac: MacOS Version: 10.13.5 Model: MacBook ...
GuilhE's user avatar
  • 173
4 votes
1 answer
317 views

TimeMachine - Backup space vs Working Files space

I backed up 8TB of files to an 8TB TM backup and it didn't like it. I'm wondering how much extra space (than what it's backing up) TimeMachine needs to operate best. Google suggested a minimum of 1....
alexh's user avatar
  • 163