All Questions
173
questions
1
vote
0
answers
53
views
Cannot detect iPhone using FFmpeg avfoundation
I want to programmatically record the screen of an iPhone through the CLI. I have my iPhone 13 running iOS 17.5.1 connected to a Mac running macOS 14.5.
I can see it connects in Xcode and I can record ...
- 111
0
votes
0
answers
54
views
Change default/native resolution of a display in macOS
I have a Philips 55PUS7303/12 TV (albeit it's hooked up to my computer through a Denon AVR-X1400H AV receiver, but this doesn't change the aspect I'm asking about) and it shows up as having a default ...
- 1
0
votes
0
answers
84
views
Bluetooth earbuds not playing any sound after a while while video calling on my macbook
I am using a 2017 MacBook air. I can watch videos with the same earbuds without any issue at all for however long. But, when video calling or attending meetings in WhatsApp and MS Teams (haven't tried ...
1
vote
1
answer
75
views
How to apply Grain in FFMPEG like CAPCUT Grain adjustment
I'm trying to find information about how to apply grain in video using ffmpeg, but unfortunally i couldn't find a viable solution.
I need to apply a grain like Capcut. Here screenshot
I was reading ...
- 11
3
votes
1
answer
304
views
How to escape file path for burned-in text-based subtitles with FFmpeg?
I'm trying to burn text-based subtitles into a video using ffmpeg, via the command line option -vf followed by subtitles=(filename):si=(subtitle index). I need this to work for both Windows and macOS.
...
- 165
1
vote
0
answers
295
views
FFMPEG with AVFoundation on MacOS 12.3.1 - USB capture device not recorded at full framerate
I have been trying to get my USB capture device working with FFMPEG 6.0 so that I can have a little more flexibility than OBS offers. I have been running in to some issues with the framerate at any ...
- 11
0
votes
1
answer
199
views
How to open a program/webbrowser without frames?
I would like to open a browser window with no remaining content. I would like to see only the browser tab window without the menus and navigation bars. Is it possible? Is it possible to extract a ...
1
vote
0
answers
445
views
ffmpeg input/output error when using mac system temp file path
I've got an ffmpeg command that is supposed to output a thumbnail for a given video at a resolution of [W]x720.
The input videos are uploaded and stored temporarily in the /var/folders directory on OS ...
- 131
1
vote
1
answer
2k
views
ffmpeg transparent HEVC video from alpha matte and color video on macOS
I have an alpha.mp4 (alpha matte video) and a color.mp4 (color video). How do I use ffmpeg to make a transparent HEVC (.mov) video?
I can combine with ffmpeg to make a .webm file following the ...
- 11
0
votes
0
answers
298
views
video + "streaming" spikes CPU on Mac
For the last 6-8 months, I've been having an issue where "video streaming" spikes my CPU on my Mac.
This is a 2019 16" MacBook Pro with 2.6GHz 6-core Intel, and 16GB Ram (I don't ...
- 163
2
votes
0
answers
1k
views
Retrieving per-frame time difference from ffmpeg/ffprobe
I am attempting to reconstruct velocity information of an object from iPhone videos, and so I am interested in determining the time difference between frames. From what I understand, iPhone (HEVC ...
- 21
0
votes
0
answers
18
views
How to switch macbook between 2 video configurations
I routinely have to transport my Macbook (Monterrey OS) between 2 offices in my house
one has a Docking station that connects 2 monitors to the laptop via a single USB-C connection
the other has no ...
- 295
1
vote
1
answer
210
views
Split folder of multipage TIFFs into frames and join into movie on MacOS command line
I'm using a FLIR Boson thermal imaging camera, whose 'video' output consists of sequences of 'one-second long' multipage TIFF files.
The frame rate is variable, but averages 8.6 fps. So, each TIFF can ...
- 11
1
vote
0
answers
641
views
FFMPEG - merge (NOT concatenate) multiple sets of 2 videos in for loop
I have a folder A with mp4 audio.
Folder B has mp4 video.
The filenames match, expect that they are in different folders.
These are movie files that when they were downloaded came in two separate ...
- 11
6
votes
0
answers
458
views
Can I add Google Meet and Zoom to the "Add video call" dropdown in macOS Monterey's Calendar app?
The "New event" popup on macOS Monterey's Calendar app (see below) seems to suggest it is possible to add additional video calling services, to automatically create links for them when ...
- 61
2
votes
1
answer
3k
views
mpv volume controls via keyboard or mouse under macos?
I'm using mpv version 0.33.1 under macos Big Sur (version 11.6.1).
It works pretty well, except I cannot figure out how to use the keyboard or the mouse to change the volume while a video is playing. ...
- 389
0
votes
0
answers
616
views
How to split a video into very small equal chunks using FFMPEG?
I'm trying to split a video file into 0.5s chunks. The closest command I've found is here (see command below):
https://stackoverflow.com/questions/34249159/how-to-get-equal-segment-times-using-ffmpeg
...
0
votes
0
answers
302
views
Script sort MP4 (and other) videos by orientation to portrait and landscape folders >>> IMPOSSIBLE?
I've been wrestling with a 14TB+ video library for the last months trying to dedupe and sort all of it into production ready folder structure.
For the life of me I have not been able to find (spent 3 ...
0
votes
1
answer
708
views
FFMPEG Multiple task for converting video to image sequence for MacOS
I need help to make multiple task of that on MacOS:
ffmpeg -i file.mp4 -r 0.1 output_%04d.jpg
I have basically 200 video files to do that action and I want to create a single code that I can send to ...
1
vote
1
answer
114
views
macOS preview and ffmpeg report different video sizes
I have a video which is 886x1920, as I can see from the ffmpeg output:
ffmpeg -i en_scaled_2.mp4
ffmpeg version 4.3.1 Copyright (c) ...
- 168
1
vote
0
answers
165
views
Is it possible to change the video player seek time in the Apple Developer app in macOS?
The video player in Apple Developer app has control buttons that seeks forward / backward 15 seconds. I feel this is too long. How can I change this value?
- 141
1
vote
1
answer
180
views
Automating an fmpeg task
I'm looking for help automating a FFMPEG workflow on OSX.
I want to have a hotfolder where when I drop an .mp4 and it starts a merge. It adds a card to the front, and one to the back. The front card ...
- 13
0
votes
0
answers
319
views
ffmpeg hangs every two times on Mac
I want to use ffmpeg for video recording The list using
ffmpeg -f avfoundation -list_devices true -i ""
is:
[AVFoundation input device @ 0x7f837dc0f180] AVFoundation video devices:
[AVFoundation ...
- 1
1
vote
0
answers
66
views
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 ...
- 178
0
votes
0
answers
34
views
Can I watch avi/mp4 files from a Mac on a TV set with an USB plug
Note : this older question(Watching DVDs from a PC on a TV) is an almost-duplicate of my question here, except that it's for a Windows computer instead of a Macintosh, and all the answers given there ...
- 3
0
votes
1
answer
316
views
.srt files are hidden in Mac
When I download a video and .srt file for that video the .srt file become invisible but when I play that video and turn on subtitle the subtitle works fine. but I want to be able to see the actual ....
- 1
0
votes
0
answers
2k
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 ...
- 1
0
votes
3
answers
332
views
How can a USB drive cotaining video file be tested for malware?
I'm on a macBook Air running Mojave and I was given a USB drive containing video files (.mp4, .mkv, .avi) gotten using a torrent program.
I don't know the original location of the files, and need a ...
4
votes
2
answers
52k
views
How do I specify ffmpeg video directory?
I'm sure this is a very basic question so I apologise but I couldn't find it being asked on here before.
I've just downloaded and installed ffmpeg for Mac OSX and the main thing I want to use it for ...
- 43
0
votes
0
answers
5k
views
How to keep recording video when the screen is locked?
I need to record a video continuously and for security reasons I have to lock the screen, because I don't want anyone to be able to access my computer. I have installed a premium application that ...
2
votes
1
answer
533
views
YouTube video in Firefox sometimes plays, sometimes doesn't
Recently I've been having trouble playing video in Firefox reliably.
Often the same video that played a moment ago, then won't play after navigating away and back.
This is what I see instead:
When ...
- 213
0
votes
1
answer
241
views
How to discard a part of a MP4 with ffmpeg
Is there a way to slice out a 5 minute portion of an MP4 file with ffmpeg?
My attempt at running the following gives me the section I want to remove in hateley2.mp4.
ffmpeg -ss 01:02:00.000 -i ...
- 315
2
votes
1
answer
2k
views
Default video app keeps resetting from MPV on MacOS
The Problem
I use the mpv video player to play all videos on my mac, though I also have VLC installed. The problem is that after a while my default video application changes to VLC (and/or Quicktime, ...
- 317
6
votes
2
answers
10k
views
How to make mplayer use subtitles?
I am trying to use subtitles with a mkv file in the following way:
mplayer video.mkv
mplayer -sub video.srt video.mkv
mplayer video.mkv -sub video.srt
but only the video did play, but without any ...
- 442
2
votes
1
answer
3k
views
Ffmpeg: Arguments for optimizing video stream?
I'm using ffmpeg from a debian machine on my local network. This machine is listening from incoming streams:
$ ffmpeg -i udp://192.168.1.3:8080 /path/to/out.avi
And from my macbook, sending the ...
- 21
1
vote
1
answer
491
views
How can I save a video I am streaming with VLC?
Is it possible to watch a video as it is downloading using VLC using MacOS?
My connection is metered, so I'd like the video to be downloaded locally, but I wish not to wait for it to download ...
- 1,251
0
votes
0
answers
52
views
Converting mp4 files and copying through directories
I needed a script to take full-size videos recorded on my camera, recompress them, create a compressed version, and then move the original to another folder after it was converted. I then import the ...
user877206
0
votes
2
answers
1k
views
Command to search ffmpeg directory pathway
I'm new to ffmpeg and I am trying to convert some avi videos to uncompressed avi files. The problem is every time I run the command:
ffmpeg -i "Dip 1.avi"
this error message appears:
Dip 1....
1
vote
1
answer
4k
views
How can I turn a sequence of images into a video using mpv?
I have a sequence of jpg images that I would like to turn into an avi or mpeg movie file. I tried to install mplayer/mencoder using Macports, but it told me this is obsolete and has been replaced by ...
- 334
3
votes
1
answer
6k
views
Screen capture using ffmpeg -f avfoundation and libvpx too many problems
I'm trying to capture screen and audio on Mac OSX 10.12.2.
I prefer webm format because it can be easily fragmented and streamed. Also cpu usage is good. But at this stage where nothing seems to work ...
- 131
43
votes
2
answers
78k
views
convert .mov video to .mp4 with ffmpeg
I am trying to convert a .mov video to .mp4 with ffmpeg:
ffmpeg -i ~/Desktop/Sample.mov ~/Desktop/Sample.mp4
This doesn't work though, and when I try to open the produced video in quicktime it tells ...
- 1,018
1
vote
0
answers
297
views
Best way to stream video and audio to 2 different devices
I have a computer (Mac) from which I stream video and audio to a ChromeCast which is connected to a projector (HDMI and RCA audio/video available as inputs).
So, currently, both video and audio come ...
- 11
0
votes
0
answers
121
views
Does scaling computer resolution decrease video resolution?
I have a UHD TV connected to my Mac. I have set the resolution to highest which obviously makes everything on the screen look tiny and hard to work with. I used the 'Larger Text' scaling option on the ...
- 219
1
vote
2
answers
57k
views
How to convert .bin video file to MP4 or AVI?
I have a video file that has a .bin extension. I downloaded it off the web.
The website where I viewed it had a nice plugin viewer. But I want to keep this video in an easily accessible format on my ...
- 173
0
votes
1
answer
210
views
Poor video playback in VLC under bootcamp
I am using Windows 7 64bit in bootcamp on my aging Macbook and while recently watching a movie using VLC I noticed slight tearing. It is noticeable when the scene changes and very noticeable in action ...
- 1,010
-1
votes
1
answer
35
views
Create video from contents of webpage even if it's out of screen [duplicate]
I want to record the contents of a long webpage (even if it's out of my screen). Is there any tool to achieve that?
If video recording is not posible, take screenshot would be sufficient.
Any ...
- 333
1
vote
2
answers
1k
views
Will Second 2560x1440 monitor slow down my iMac?
I have this iMac:
http://www.hoxtonmacs.co.uk/collections/imac-27-inch/products/imac-27-inch-core-i7-3-4ghz-mid-2011
It has 32GB RAM, and I use it to edit videos in Final Cut Pro X and make music ...
6
votes
2
answers
20k
views
Batch convert a folder of .mkv files to .m4v files using ffmpeg in MAC OS X
Is there a way to batch covert a folder of .mkv files to .m4v files using ffmpeg in Mac?
I setup a service that will do individual files, but I really would like to batch them.
The 'Run Shell Script'...
- 61
2
votes
2
answers
9k
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 ...
- 398
15
votes
4
answers
23k
views
How can I make Finder display video file duration?
I have to open the files in VLC to see what the file duration is which frankly is ridiculous due to Finder not showing any information, even if I look in Get Info there is nothing
Is there a way to ...
- 2,097