Questions tagged [quicktime]

QuickTime is a media framework developed by Apple. It is mostly known for its QuickTime Player, which is available for Mac OS X and Windows platforms.

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QTFF, ISO 14496-12 and elst-media_time value

What is the priority standard for decoding mov files? What value should be set in elst/media_time? Can we check it somehow? In QuickTime File Format Specification media_time is DT value: The edit ...
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11 views

QuickTime screenrecorder delegates to Mac Screenshot recorder how to get back?

When I record the screen with QuickTime it opens the new "screenshot" app, how can I have the QuickTime screen recorder record by itself without delegating to screenshot?
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422 views

How to convert MOV (with Alpha) to MP4 (with ALpha) - using FFmpeg [closed]

I am trying to convert a MOV (with alpha channel) to WebM and Mp4 (with Alpha channel) using FFmpeg. The WebM video is coming with the Alpha channel. But the video is not supported in SAFARI Browser. ...
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What ffmpeg command would convert a video for iPad/iPhone in 2021?

One of the answers almost a year ago was to use the following command: ffmpeg -i input.mp4 -vcodec libx264 -profile:v main -level 3.1 -preset medium -crf 23 -x264-params ref=4 -acodec copy -movflags +...
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Can wimpy buttons use another MP3 player besides Flash?

Is there a way to get wimpy buttons to use an MP3 player other than flash, which has been discontinued? I tried adding the disableFlash option to the JavaScript code but that wasn't sufficient. I have ...
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130 views

ffmpeg conversion MOV to MKV

I would like to convert a MOV file to a MKV file, using the exact same codec for audio and video. Therefore I'm using the following command ffmpeg -i input.mov -c:v copy -c:a copy output.mkv The ...
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Unable to use quicktime player to do screen recording on my Mac

It used to work, because I distinctly remember using it. But for some reasons, it no longer does. I was trying to use quicktime player to do a quick screen recording. I opened quicktime player, I ...
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1answer
20 views

FFMpeg seek mkv x265 to x264 start + end generate bad duration and black output

I don't understand if I am missing a parameter or am I wrong to understand the documentation. I have a program that forces me to use FFmpeg (so I can't use ffprobe). FFMpeg I am using "N-99928-...
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115 views

Keeping metadata in FFmpeg image sequence to video

When creating a video from an image sequence with FFmpeg, how do I also copy the metadata from the first image in the image sequence (within reason: creation date, GPS coordinates, etc.; maybe not ...
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42 views

How do I edit a .mov to be louder in Mac OS?

I just captured a screen recording using QuickTime. The volume from my mic was too low, so I want to turn up the recording audio. How do I edit my .mov to be louder? I'm not looking for anything ...
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90 views

ffmpeg automatically disables all audio stream after the first one?

Is there a way to prevent ffmpeg from disabling all the audio streams except the first one? I'm simply trying to convert an XAVC MXF file with 8 audio streams, that was recorded with a SONY camera, to ...
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Corrupted video download [closed]

I'm using a video downloader on Chrome to download videos. It worked perfectly fine, but recently, when I try to download videos using that extension, the downloaded videos can't be opened in ...
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43 views

Unable to play a local mp4 video on macOS Virtual Machine (running on Mac Pro host)

I am unable to play a local mp4 video on macOS Virtual Machine running on Mac Pro host. The video doesn't play in QuickTime Safari The video does play in Firefox. Also, the same video plays just ...
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1answer
164 views

Why does QuickTime not play a video with CRF of 0, but is happy with 10?

I'm experimenting with video compression using ffmpeg (version 4.2.2), and used this command: ffmpeg -i old.mp4 -c:v libx264 -crf 0 -preset fast newCrf0.mp4 but the resulting video would not play on ...
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1answer
166 views

ffmpeg MOOV Atom on a ProRes file?

We have been asked by a client to create a ProRes QT file (.mov) but specifically asked to "The moov atom (movie index file) should be placed at the beginning of the file." I have been reading around ...
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146 views

How can I use QuickTime to record two monitors?

I'd like to record my pairing so I can watch it back for improvements. Quicktime seems the easiest (and most trustworthy, given this is a work machine) solution to this but it only records on one of ...
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1answer
546 views

ffmpeg stuck in generating thumbnail of video

I'm currently writing a script to create thumbnails of videos in a folder, but as soon as ffmpeg hits a .mov video, it gets stuck. The videos were taken on an iphone at 4k 60fps and can be played back ...
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146 views

How can I imitate the video codec of a Canon DSLR?

I have a Canon EOS Rebel SL1 (100D) with a stuck pixel in the screen that really bothers me out. I'm trying to play one of these "dead pixel fixer" videos on the camera in order to bring it to life ...
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331 views

How can I remove 14 of 16 audio channels from a MOV file using FFmpeg?

I'm new to FFMPEG so I need some help from some professional users. I have a relative simple task: I have some MOV files with a single audio track that contains 16 channels. I want to remove the ...
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1k views

MP4 video file does not play audio in Quicktime on macOS 10.14

Consider the following MP4 audio file, with the following codec information (Cmd+I in VLC): When I open this file with QuickTime, or QuickLook, this file does not play with audio. However, when I ...
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278 views

(ffmpeg) libx264rgb .mov files not playing in browser

I'm converting QT file out of .dpx sequence. Due to other party requirements the video needs to be in RGB colorspace so I'm using libx264rgb codec. Previously I used libx264 and I had no such issues. ...
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1answer
133 views

VLC 3.0.6 restart on .mov file but is able to convert them to .mp4

When I try to watch a .mov file VLC (3.0.6) keeps restarting (I need to kill the app using Task Manager). The same VLC manages to convert this file into .mp4 and then play this correctly .mp4 Update:...
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397 views

I want to convert jpg image sequence in folder to mov by adding windows context menu for a folder

I am using ffmpeg code to convert the available jpg sequence to mov(Photojpg) ffmpeg -f image2 -r 24 -start_number 1001 -i /ip/Seq/image.%04d.jpg -y -xerror -vcodec copy -r 24 /ip/Seq/movie.mov But ...
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1answer
32 views

What is the simplest way to integrate screencasts with trello in the fewest number of steps in OSX?

What is the simplest means for opening a trello card, and creating from within it a screencast which will be attached to it? The goal is seamless attachment of a 5- 10 second screencast which makes ...
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105 views

Quicktime default window position

I use Quicktime a lot to record audio, screen recordings, and movie recordings. But each time I open the app the window position is in the upper left corner, regardless of where I positioned it in the ...
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2answers
282 views

mov's play without sound unless in iMovie

I have a lot of videos from a Canon mini dv video camera. I imported them from my camera into iMovie, so now I have them all in an event. The videos play perfectly fine in iMovie. I tried to copy ...
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914 views

How can a video File (.MOV) play perfectly in VLC and other players but not open in Premiere Pro?

A four Gig Quicktime (.MOV) video file (a video taken on an iPhone) plays perfectly on VLC, Windows Media Player and PotPlayer but when imported into Adobe Premiere Pro 5.5 the following error message ...
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1k views

How do I extract a QuickTime text track using FFMPEG?

I have a .mov container with a QuickTime text track which QuickTime uses to display chapter markers. In the QuickTime 7 Pro User's Guide, the description for how to do this is in Editing and Authoring ...
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1answer
391 views

Quicktime .mov - Specify a Movie Header timescale of 24000

When I run my 24fps Quicktime mov files through an FFmpeg transcode they are coming out with a Movie Header timescale of 1000, when the source file has a timescale of 24000. This low timescale value ...
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1answer
246 views

AppleScript - Advanced functions to improve steps / reduce code

I'm trying to reduce the number of steps and and increase performance for my applescript, I just wondered if there are some common functions I can employ. Here's an example script... tell ...
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1answer
9k views

Re-encode 4K video to H.265/HEVC with FFmpeg for playback in QuickTime

I have a one hour 4K video which was weighing in at 10 GB. I thought I'd try re-encoding to HEVC using FFmpeg to try to save space, something I hadn't tried before. However, I switched the container ...
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1answer
10k views

Combine MOV video files

I'm on Arch Linux 4.13.10 and I'd like to combine multiple .MOV files shot with a Canon EOS camera. I tried to convert the files to transport streams (.ts files) using FFmpeg, as shown here, but ...
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2k views

How to accurately split and combine videos with ffmpeg respecting inpoint/outpoint

I'm learning how to split and combine videos with ffmpeg. Presently I'm practicing on a 799 KB MP4, one_through_ten-timestamped.mp4, where each frame has a burnt-in "frame number" (up to frame 40, the ...
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4k views

How do I tell what the timestamp is for a frame in VLC?

I'm using VLC 2.2.6 without additional extensions and I'd like to know the time a frame occurs in a video file. I can move forward frame by frame with the E key. Here's an example: The video file has ...
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1answer
2k views

Batch export selected videos with QuickTime Player 7 using specific export settings?

How can I either use applescript or Automator to batch export video files I have selected in Finder, but NOT using the "Encode Selected Video Files" service method, which only has 4 formats to choose ...
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2k views

How to change audio bitrate to exactly 85 Kbps and preserve video setting?

When I try to change the audio bitrate for my video, also my video output is lower than it should be. Also my output video should be in MOV format. I tried: ./ffmpeg -i myvideo.mov.mp4 -b:a 85k ...
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1answer
452 views

How do I fix a corrupted iTunes installation on Windows 7?

Right now, I'm following these instructions attempting to remove all Apple software from the Windows 7 computer I'm working on. When trying to remove iTunes and QuickTime, for both I was constantly ...
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1answer
703 views

Windows 10 Pro/Enterprise bug when dealing with large MOV files

We have identified a problem with Windows 10 Pro/Enterprise when dealing with large .MOV files (60-100GB in size). I am a System Administrator and have now witnessed this issue on dozens of our ...
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2answers
997 views

How can I determine which process or service is using COM Surrogate

I've been having this problem for a while on both Win7 and Win10 machines: When I browse to a folder with a certain kind of file in it -- Specifically, large Quicktime files ~100GB -- Windows seizes ...
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1answer
1k views

Quicktime Version 7.7.9 On Windows 10 64-bit

I've just installed Quicktime Version 7.7.9 (1680.95.84) on my PC, which uses Windows 10 64-bit. However, when I try to run it, I am informed 'Some of your Quicktime software is out of date'. Can ...
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1answer
829 views

Splitting up mp4 files with ffmpeg results in black videos

I'm trying to split a long video in mp4 format into 60 second sections: ffmpeg -i YDXJ0028.mp4 -c copy -segment_time 60 -f segment YDXJ0028_%03d.mp4 This kind produces the segmented video files, but ...
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1answer
3k views

How can I change the language metadata with ffmpeg without converting video?

I want just to change in a MOV video the language from English to Spanish. I'm using ffmpeg -i in.mov -metadata:s:1:1 language=spa out.mov I add out.mov because is mandatory, but I don't want to ...
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2answers
7k views

Quicktime Screen Recording Lower Frame Rate

I'm on mac, I'd like to screen record. But I want it to record a frame every second or so, or every minute or so (as opposed to 30fps). So when someone plays the video it will look sped up. Is there ...
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1answer
1k views

QuickTime can't play mp4 generated by ffmpeg without converting first

I've created a .mkv file from a DVD using MakeMKV that I've then converted to .mp4 using ffmpeg: ffmpeg -i title00.mkv -c copy -c:s copy output.mp4 Now when I try opening the .mp4 file using ...
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2answers
221 views

Command line way to flatten a multi-channel-audio .Mov into a single-channel-audio .Mov?

Caveat: I'm not very familiar with audio codecs and terminology, so it could be that I'm not using the correct words to describe what I want to do. I've attempted to make that clear. I'm using ecamm'...
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3answers
3k views

Is there a 64 bit version of quicktime for windows 10?

Is there a 64 bit quicktime version for windows 10? All the descriptions that I have found on-line don't state either 32 or 64bit.
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2answers
24k views

How can I install Quicktime player to Windows 10?

I would like to play a movie in the web and a webpage ask me, download Quicktime plugin. I opened up this web page and I tryed download and install Quicktime But when I tried install I get this ...
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1k views

How to fix a .mov file in hex editor from Photo Booth crash on OS X?

I was recording a ~4GB video using Photo Booth on OS X. The program terminated for some reason (unsure of whether it was computer sleep or something else). I have a corrupted file of about 4GB in ...
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605 views

irfanview show .mov videos in main window

I'm using irfanview as my main image viewer, however I'm a bit annoyed by the fact that .mov files (from my smartphone) are played in an external window (either quicktime or the other external video ...
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1answer
465 views

How can I play old Final Cut Pro .mov files? (VLC only plays the audio.)

A few years ago, I exported some .mov files from Final Cut Pro on my old Mac Pro. I am positive that I made them self-contained files, so they didn't need to reference the original footage. I backed ...