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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16
votes
6answers
7k views

What options are available to _losslessly_ trim mp4/m4v video on 10.8 or above?

I have some DRM-free m4v video that I would like to edit by trimming here and there. QuickTime X ($0) Pros: free, built-in to OS X Cons: selector to choose 'start' and 'end' times is not very ...
1
vote
3answers
3k views

how to split an mp4 into separate clips?

I have a 3-hour long .mp4 video that has sensible breaks roughly every 30 minutes or so. I want to export this into multiple videos of each section, but have run into nothing but problems trying to ...
3
votes
1answer
3k 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 ...
-3
votes
1answer
24 views

How to resize mp4 videos using command line on mac terminal? [closed]

I'm trying to write some scripts that automatically resize photos and videos to specific sizes/percentages of original. However I could not find a solution for videos. Any ideas?
9
votes
5answers
30k views

How to preserve portrait mode of iPhone recording in iMovie and Final Cut Pro?

If an iPhone screen recording, which is 1080 x 1920 (portrait size) is edited in iMovie or Final Cut Pro, and resaved as a final video, I noticed the video will be landscape: 1920 x 1080 with black ...
6
votes
2answers
2k 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 ...
0
votes
1answer
67 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 ...
1
vote
3answers
6k 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 ...
-1
votes
0answers
92 views

How can I play 4k video on Macbook Pro 2015

I have lots of 4k videos that I took on my GoPro recently. They play perfectly on the GoPro itself and on my iPhone 7. But, when I downloaded them to my laptop via SD card and play them using ...
0
votes
1answer
1k views

Create video file with multiple audio tracks?

I have an animated movie in three different languages. The picture is exactly the same for each langauge, only the audio is different. I want to merge all these files into one, so that I have a ...
2
votes
1answer
73 views

Add text captions/subtitles to videos without Adobe Premiere? (burn in)

I want to add text captions to some videos I am uploading to social media/Facebook. Is there a simple way to do this in QuickTime? Adobe Premiere is too expensive.
4
votes
1answer
89 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 ...
3
votes
1answer
2k views

iMovie “Join Clips” option greyed out

Articles, Videos and similar posts / questions all describe being able to join clips in iMovie using the Join Clips option in the Modify menu of iMovie (10.1.8) on macOS High Sierra. Yet, iMovie is ...
1
vote
1answer
166 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'...
0
votes
1answer
49 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.
2
votes
3answers
99 views

Video editing application for Mac

I'm interested in starting to edit videos and I'm looking for a good video editing application. It shouldn't be too complicated but one should be able to do advanced stuff with it too. I currently got ...
1
vote
1answer
558 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?
1
vote
1answer
109 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 ...
1
vote
0answers
150 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 ...
14
votes
3answers
34k views

Remove audio track in QuickTime 10?

In previous versions of QuickTime you could remove the audio track and save the file. This function appears to have been removed in QuickTime 10. Is it still possible?
0
votes
0answers
78 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. ...
0
votes
0answers
9 views

How can I crop a video with a moving crop box?

How can I crop a video using a dynamically moving crop box? I know how to crop a video in (e.g.) iMovie with a statically defined crop box. Context: I have a 4K video of someone running across a ...
0
votes
0answers
25 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 ...
3
votes
0answers
97 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 ...
0
votes
0answers
1k 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 ...
1
vote
1answer
140 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 ...
1
vote
1answer
938 views

Can QuickTime Pro convert .mpg to .mov?

I am thinking about purchasing QuickTime Pro for Windows, but I have not been able to find a list of video file formats that it takes as input. Does QuickTime Pro for Windows convert .mpg files to ....
4
votes
1answer
252 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....
16
votes
6answers
75k views

iMovie: Crop and letterbox (ignore aspect ratio)

I have a project in iMovie and I want to crop part of one of the included clips to a rectangle that isn't 16x9 or 4x3 or any standard aspect ratio. As far as I can see, iMovie will only let me crop in ...
2
votes
0answers
15 views

Adjust volume only of music on iMovie

I need to highlight the narration in certain parts of the finished iMovie. How do I decrease the volume of only the music when both narration and music seem jumbled on the timeline?
0
votes
1answer
58 views

How can I replace the right-most 30 pixels of my movie with black?

I'm using Mac OS 10.13.3. I have Quicktime 10.4 installed if that will help here. I recorded an application on my computer, however I recorded a little too much screen real estate. I would like to ...
2
votes
1answer
1k views

How can I rotate a video by a few degrees?

I've taken a fairly tilted video and want to rotate it to be level, how can I do this? I'm open to any third-party apps but purely apple solutions are better. I have FCPX, but I don't know if I can ...
3
votes
2answers
11k views

iMovie titles line spacing

Is it possible to adjust the line spacing on title screens (specifially: scrolling credits) in iMovie 10? I can find some references on how to do it in previous versions of iMovie (see e.g. font ...
1
vote
1answer
5k views

How to solve audio sync issue on the Mac? (and it is not just by a constant out of sync amount)

I downloaded a clip from 56.com or youku.com, and then found that the video and audio is out of sync. At first, near 6:00, the video is about 0.7 second slower, and I used iMovie to "detach audio" ...
20
votes
7answers
29k views

Subtitle editor for OSX?

I have a video in mp4 (MPEG-4) and I would like to add subtitles to it. What tool or application would you recommend to help me write and sync the subtitles with the video?
0
votes
1answer
2k views

Import Keynote Animation to iMovie

I have a Keynote file with a lot of animations on the slides. I wish to record myself giving a presentation while playing the slides in full screen as a movie. Is there a way to export Keynote ...
0
votes
1answer
9k views

iPhone video app that lets you switch from front to back (in) camera mid recording?

Does anyone know of any iPhone (6) camera apps that lets you flip from the front camera to back camera whilst recording a video please? The standard camera does not, and I can't seem to find any ...
1
vote
1answer
87 views

How to edit videos with coustom musics on iPad?

I bought iPad Pro to replace my MacBook in some light works. For personal interest I produce small (2-3min) videos, but on iPad there is no way I can add coustom musics I find on internet (even though ...
0
votes
1answer
497 views

Cannot import AVCHD into final cut pro x

I have a folder called "from camera" that contains an AVCHD component. I recorded my videos using a SONY-X70. I cannot import my media into fcpx. When i use the media importer in FCPX it tells me no ...
6
votes
1answer
6k views

How can I avoid re-encoding of video in iMovie and use it for cutting only?

I have a video that was created on a surveillance camera with the (for video) unsusual resolution of 1280x1024. It's encoded with H.264 and encapsulated in an MP4 AVC container. The quality is rather ...
0
votes
4answers
8k views

How can I open MTS video files to iPhone's photostream so applications can use them?

My goal is to have the MTS files in PhotoStream so that all of my iPhone applications such as video collage creator apps can use them. MTS video files are files created by Sony Nex 3N camera that are ...
4
votes
2answers
484 views

How to crop-rotate video

How can I crop rotate a video, so that it crops and rotates at the same time. I know that there is an option for this in Photos.app, but it only works for photos. Is there some other application that ...
2
votes
1answer
43 views

Animate text in final cut pro: knocking previous text further from centre

How can I animate a sentence in final cut pro, where each word in the sentence slides in from the right (violently), slamming into place in the middle of the screen, knocking the previous word ...
2
votes
3answers
10k views

Recording direct from camera into MacBook Pro via HDMI?

Is there any way to 'tether' my camera via its HDMI out to a MacBook pro? The goal is to record live, uncompressed, video direct from a camera. Thus skipping the camera's file system and recording ...
1
vote
1answer
70 views

Audio/Video editor for macOS

I have a short MP4 video (with sound), and a separate short MP3 file. I am looking for a way to replace the audio of the first file with the audio of the second one. Is there a lightweight app ...
0
votes
1answer
7k views

Crop video that has been taken the vertical way on iPhone

I frequently capture video holding my phone as usual, which means vertically. But when I want to watch it on a computer screen, I would like to have it full screen - even if it means loosing the top ...
8
votes
1answer
46k views

How can I adjust the music in imovie for part of a movie?

I have a imovie project that I am creating and I have video clips and an audio track which plays a song. I see that I can adjust the volume level of the song for the whole song but I want to lower ...
1
vote
1answer
5k views

Can I create a custom iMovie transition?

IMovie is mostly a 'canned' software, I am limited to presets for the most part. I understand that there are a few workarounds to adding custom effects (creating 2d video with green background, or ...
3
votes
1answer
62k views

How do I change the clip length with the iMovie 2011 trailer presets?

I'm trying to prepare a trailer with nice presets incoming in iMovie 2011... Can I change the storyboard or alter clip length? If so, how?
1
vote
1answer
382 views

Final Cut Pro, read/write via External Hard Disk

Please forgive my silly question but can videos be edited on FCP via external HDD? My MBP is running out of storage and I want to start learning video editing where all everything is to be done ...