Feb 28, 2020 Part 2. Recommend Another Three MP4 Codec Pack for Mac #1. Perian is a QuickTime component that adds codec to QuickTime to enable it play videos and audio that it is not currently supporting such as MP4. By installing perian, your device can play a wide variety of formats including AVI, DivX, MKV, MP4 and FLV. The CODEC component consists of two methods for the creation of MD5 digests. CODECEncodeMD5x creates a properly formatted MD5 digest directly from a supplied. Nov 14, 2017 I have the same issue with all my mp4 videos containing AC3 audio. It worked perfectly well before the last update of High Sierra. I've read the kind answer provided by Jon Walker below, but it seems quite an heavy and consuming task to convert all my videos for a codec issue. I hope there must be a way to make Quicktime recognize AC3 audio codec.
About the App
- App name: Avid DNxHR codec
- App description: avidcodecsle (App: AvidCodecsLE.pkg)
- App website: http://www.avid.com/US/industries/workflow/DNxHD-Codec
Mac Codec Pack
Install the App
- Press
Command+Spaceand type Terminal and press enter/return key. - Run in Terminal app:
ruby -e '$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)' < /dev/null 2> /dev/null ; brew install caskroom/cask/brew-cask 2> /dev/null
and press enter/return key.
If the screen prompts you to enter a password, please enter your Mac's user password to continue. When you type the password, it won't be displayed on screen, but the system would accept it. So just type your password and press ENTER/RETURN key. Then wait for the command to finish. - Run:
brew cask install avidcodecsle
Xvid Video Codec Mac
Done! You can now use Avid DNxHR codec.