I'm using a 2013-mid MBP with MacOS sierra, also brew installed ffmpeg 3.1.1. Also I set pixel format to yuv420p, otherwise the default yuv422p color space cannot be played by quicktime: ffmpeg -f avfoundation -i "1" -pix_fmt yuv420p -r 25 -t 5 out.mov So, copy paste the following command on your Mac’s terminal (press cmd + space and type in terminal).
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And in order to install Wget, you need to install homebrew first. Specify a shorter timebaseĪnd the output video stream fps will be 1000k, which is unreasonable. To install, youtube-dl, you need to install Wget first. If duration is too long,įile may not be playable by quicktime.
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Use -pix_fmt yuv420p for compatibility with outdated media players. No pixel format specified, yuv422p for H.264 encoding chosen. Please consider specifying a lower framerate, a different muxer or -vsync 2 You'll probably see some warnings: Frame rate very high for a muxer not efficiently supporting it. If recording screen with no other options like this: ffmpeg -f avfoundation -i "1" out.mov I guess most of the time we'll ignore the program warnings, but not this one. UPDATE: I've tried this on an older OS (Yosemite) and got the same results (thought it might be the new OS that broke it). I just upgraded to Mojave instead of something newer to support still using it for my workflow, but it's starting to fail on encodes two or three times before actually working. But whats worse Hackers are listening, too. It just says "The document could not be opened". I know it hasn't been supported for years, but I've been using FFMPEGx for over a decade on Mac OS. Google, Amazon, and Facebook are always listening. FFmpeg is a free software project that produces libraries and programs for handling multimed.
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If someone can solve that riddle, my next question is how can I watch the newly created file in quicktime (I'm thinking I'll need to encode or decode or something) because even the FaceTime video file would not open in QuickTime. in this video i am going to show How to Install FFMPEG on macOS. I've tried this same command but using device 0 (FaceTime camera) and it stops after 5 seconds. Ctl-C doesn't work either, and I am left with force quitting via Activity Monitor. Open that app from your Applications folder to begin installing the operating system.
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It installs an app named Install Version Name. In fact, I can't even stop the recording as it suggests by pressing 'q'. Safari downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. It creates an mov file in the working directory but doesn't stop after 5 seconds. I don't need audio so I start my 5 second screen recording via: ffmpeg -f avfoundation -t '5' -i '1' test.mov Which returns: AVFoundation video devices: I list my devices via: ffmpeg -f avfoundation -list_devices true -i "" I'm on a Mac with MacOS Sierra installed.