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Each format is described by a set of specifications (sometimes, a patented standard). According to these specifications, software can be made to create and read an appropriate file. This software is called a codec. Depending on whether it reads or writes, it’s a decoder or an encoder, respectively. If a format aims to become popular, its codecs must be freely available online. It should be well-defined, well-documented, and, most importantly, useful. That's not always the case, of course, but fortunately, most codecs nowadays are freely available.
That being said, by default, video players tend to lack any support for some existing codecs. It’s a perfectly reasonable strategy for specialized software. Especially if the company behind this software wants users to be restricted to its own DRM-laden, patent-encumbered file types. Cheers to Apple and Microsoft.
MKV is a container file format. It can carry an infinite amount of data streams - mainly, audio and video. However, in and of itself, an .mkv is not video or audio. It’s simply an identifier for the encoded data inside. Containers are also useful to humans, holding info such as titles, release dates and licensing information.
MKV is an open format, and it’s being developed by the community. It has feature-rich metadata and compatibility with most multimedia codecs, not to mention streaming capability and DVD-like playback features. It may still be in development, but MKV has lofty goals for the final version. And for its success, the container needs to be extensively used.
In order to increase its popularity, and make open formats more available, multiple communities have created and uploaded free MKV plugins. Video players can integrate these codecs to play MKV video if they don’t support it natively. The codecs are also bundled with many other decoders to ensure that the format’s features are fully implemented.
While Matroska aspires to be "THE standard of multimedia container formats", there have been many obstacles on its way to greatness. Most of these obstacles are products of our age; MKV is competing at a difficult time, against mighty opponents.
Matroska Video Format has every chance to succeed. Things are changing rapidly in the multimedia landscape; it’s starting to get native support on popular systems (such as Windows 10), and its opponents are slowly becoming outdated. MPEG group, for example, has recently been restructured. If MP4 fails to keep up with the times, it’s going to leave a nice, big niche.
For now, though, the above reasons keep MKV out of the spotlight, and vendors are reluctant to spend their resources supporting it.
There are a few reasons why you might want to have MKV compatibility in your player. Namely:
On the other hand, here are some downsides:
Here’s something about vulnerability. So, a decoder is a program that receives input. And any program with input is vulnerable to hacks, such as code injections and overflows. If a program hasn’t been updated to patch out these weak spots, somebody could make a malicious video that gives you a virus or harms your system in a similar way. That’s why you should be wary of using old codecs!
As we’ve mentioned, format creators and supporters make their codecs available and accessible to everyone. This is also the case with MKV: you can easily find multiple different versions on the internet. Sadly, the foundation distances itself from non-free software - such as the Windows Media Player. As a result, all but the most popular of these versions are rather suspicious. Still, we will offer some places you can get an MKV codec download:
If you’re looking to watch some movies, you’ll definitely need to open MKV. Given the downsides, you might not be excited about an independently developed codec. Well, we’ve got you covered! Elmedia Player is a well-tested MKV player for Mac, without any additional installs required. Our playback options are so varied and useful, file format might not even matter in the end. You’ll have the same convenience, speed and stability with any format.
MKV uses an assortment of codecs - most modern codecs can be contained. Some of these include VP8, VP9, AVC, DivX, XviD, and many others. This goes for audio, video and subtitles. Of course, individual codecs also need separate decoders, but they often come bundled with MKV.
Yes, but it could require some additional software. You can download and install a codec, or, alternatively, try Elmedia Player