• XviDcodec is a handy, free software only available for Mac, that belongs to the category Audio & Video with subcategory Codecs & Filters.
• So you need to download the required codecs to play the MP4 video on your macOS High Sierra. Play on A Different Media Player: The next solution is to try to play the MP4 video on an alternate media player. You can try playing the video on VLC player or MPlayerX when you experience QuickTime MP4 playback problems on macOS High Sierra.
• So, I've been scanning the web for HOURS trying to get some help with this. I'm trying to stream some videos online but I keep getting messages that say I need to download the xvid codec to play them. I downloaded it, put the xvid component in the library/quicktime folder.

I'm trying to stream some videos online but I keep getting messages that say I need to download the xvid codec to play them. Mac OS X., 02:39 AM. Download the latest version of XviDcodec for Mac - QT extension for XviD format. Read 18 user reviews of XviDcodec on MacUpdate. XviD codec for Mac OS 8/9 (3KB) The.sit file contains a QuickTime component, which delegates the playback of XviD videos to the DivX codec installed on your system. To install the XviD delegate component on Mac OS X, put the XVIDDelegate.component file in the /Library/QuickTime folder and then reboot.

Success by Team Effort

Since short after the Xvid project got founded, its code base has been further developed and maintained by a small team of about four to six core developers. All the main Xvid features as well as the design of the Xvid code and its interfaces are the result of this strong team effort.

In addition, the Xvid project receives also more sporadic contributions from many developers worldwide. These are often important bug fixes or ports of the Xvid code to new platforms.

The Xvid codec was primarily developed for x86 but can be compiled also to other platforms like Mac or ARM. The Xvid code base supports both 32-bit and 64-bit CPUs and can be compiled for many operating systems like Linux, Windows or Mac OS X.

We need Your Help!

The success of our Xvid project depends on your support. Any contribution you can make to the Xvid project is very welcome! New developers interested in joining the development of our xvidcore video codec library will definitely benefit from having some solid background in signal processing or at least be very comfortable with general C/C++ programming.

But even if you're not familiar with video coding algorithms or you're not even a programmer, there may still be possibilites to contribute: Test scripts need be written, documentation can always be improved, content needs be added to the website - there's always something to do!

Getting Started..

As a three-step quick start:

• 1. Get the Code: As your first step, you should get the Xvid source code. More instructions are in our Source section.
• 2. Compile It: To get familiar with the code, begin with compiling the xvidcore library and the xvid_encraw and xvid_decraw examples (refer to the '/doc' folder for more info).
• 3. Try the Examples: Once the code is compiled, start playing with it. Studying the source code of xvid_encraw, xvid_decraw as well as the Xvid API (xvid.h) is your best starting point.

As an interested developer or potential new contributor you should also join the xvid-devel mailinglist. Here, you can discuss your ideas with the Xvid developers or other knowledgeable fellow programmers. Windows 8 lite x86. Also, just post any contributions or bug fixes that you have as a patch (in unified diff format) against the latest svn code to the list for review.

“I have a few old AVI video files on my Mac. After upgrading to Mac OS Sierra, I am unable to play those AVI files. What should I do to play AVI files on macOS Sierra? Please help me.”

Sometimes, you cannot play AVI videos on Mac using QuickTime player and each time when you try to open those AVI files, you come up with different error messages like 'File Format not supported', 'Not a valid AVI file', 'The .avi could not be opened' etc.

Also, it is noticed that QuickTime won't play AVI videos on Mac after you upgrading to new Mac OS X like Sierra.

Why AVI Files Won't Play on macOS Sierra?

Xvid Video Codec For Mac Os Sierra Mac

AVI is not just a video file type, in fact, AVI video file comes with several supported formats of codec like Xvid, DivX, MJPEG, MPEG-1, MPEG-3, MPEG-4, MPEG-H, MPEG-HD, etc. So, many AVI players for Mac including QuickTime player can't play all AVI files since they don’t possess all types of AVI codecs.

How to Play AVI Videos on macOS Sierra?

Solution 1: Download a QuickTime supported codec pack required for your QuickTime player to play your AVI files. Be cautious while installing codec packs because you may download virus or malicious script while downloading codec packs. Sometimes, the codec may conflict with other installed programs on your Mac.

Also, try installing Perian. It adds playback support for a wide range of video formats including AVI. So, install Perian on your Mac to play your AVI files using QuickTime player.

Note:Perian works only on Mac OS X Snow Leopard or previous version.

Solution 2: Convert AVI to QuickTime compatible video format using free video converter tool for Mac available online.

Solution 3: Try another AVI player for Mac: use other media players for playing your AVI files on Mac instead of QuickTime.

But, if your AVI file doesn’t play on any media player, then the only thing which is responsible for unusual behavior is video corruption. And, it seems your AVI files are broken.

Then, How Do I Play an AVI File on My macOS Sierra?

Remo Repair AVI is recommended software to fix unplayable AVI files on macOS Sierra. The HD video repair tool fixes audio and video streams separately then adjoin them together to render a healthy playable AVI video. Being a read-only utility, it just creates a replica of unplayable video and fixes the issue without modifying/damaging the original video file. Therefore, it keeps your original video intact throughout the repair process. Moreover, you can get this AVI video file repair software, free download for both Mac and Windows operating system. Along with a free trial version, it also provides free 24x7 technical support for solving any issue related to the software.

This reliable video repair software comes handy to fix AVI, DIVX and XVID file format that is not playing on macOS Sierra, Mac OS X El Capitan or other Mac versions. It can easily repair corrupted video files that are stored on any storage devices like HDD, external hard drive, pen drive, memory cards, SD cards, flash drive etc. Also, works on recorded AVI files using digital cameras, media players, camcorders, and other digital gadgets.

3 Steps to Fix macOS Sierra Can't Play AVI Files:

Step 1: Launch Remo Repair AVI and Open AVI file which is not playing on macOS Sierra and click on the Repair button.

Step 2: The software fixes the selected video and gives a healthy playable AVI video. Verify the video using Preview repaired file option.

Step 3: At the end, Save the repaired file on your desired location.

Points to Remember:

Xvid Video Codec For Mac Os Sierra 10.13

• Do not frequently convert AVI file format to any other file format; use trusted AVI converter
• Avoid playing AVI files on unsupported media player
• Always maintain a backup of your important AVI videos

Xvid Video Codec For Mac Os Sierra Os