DivX Plus Tech Preview: MKV on Windows 7

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* Note that you should register as described in the tutorial if you wish to receive support,
get updates, and participate in the closed discussion forums.

What's in this preview? Bookmark and Share

This technology preview introduces support for DivX Plus HD (.mkv) video in applications using the Microsoft Media Foundation, a new framework introduced in Windows 7. The package includes a native version of the DivX MKV Demux as well as shell extensions that provide thumbnail images and detailed file information for files with either ".divx" (DivX 6) or ".mkv" (DivX Plus) extensions for an enhanced experience.

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Why is this cool?

Although Windows 7 maintains support for established frameworks such as DirectShow, there was no other solution for rendering content in an MKV container through the Media Foundation framework - until today!

The advantages of enabling MKV file support in the Media Foundation framework include the ability to use hardware acceleration for H.264 video decoding via the system H.264 decoder (where supported), as well as adding support for serving both DivX and DivX Plus HD video through Windows Media Center Extenders, like the Xbox 360, and the Windows Media Network Sharing Service for UPNP devices, like the Playstation 3. However, be aware that transcoding creates an additional CPU load on the server, some loss of quality and potentially reduces picture resolution.

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Known issues (08/18/2009)

The following are known issues or important information for this DivX Plus Tech Preview:

  • Latest testing has been against Windows 7 RC Build 7100

  • The DivX MKV splitter currently exposes only the primary audio track.

  • This tech preview does not yet support subtitle tracks

  • Offloading of H.264 decoding to hardware is subject to the capabilities of your video card

  • ASP file thumbnails may not display correctly in Windows 7 Build 7100

Downloading the tech preview

NEW: Click HERE to download without registering as part of the DivX Plus Software for Windows. Optionally, you can register here at DivX Labs if you wish to receive support, get updates, and participate in the closed discussion forums.

For users that have installed previous versions of this tech preview, we recommend uninstalling and then installing the new DivX for Windows bundle, so you are able to receive software updates.

We want to hear your feedback on this technology preview! Please submit your comments and questions to the DivX Plus Technology Preview forum (requires sign-in). If your feedback relates to performance issues or software stability, please consider attaching some of the following to your post:

  • Screenshots from CPU-Z that show your CPU, memory and mainboard configuration.

  • Screenshots from DXDiag, which you can launch by simply typing DXDiag into the Run box on your Start menu, so that we can see information about your graphics card (e.g. vendor/model/memory/driver revision).

  • Screenshots of any crash dialogs, including the details view if available.

  • In the case of crashes, an export from MSInfo32, which you can launch by simply typing MSInfo32 into the Run box on your Start menu, so that we can see information about the operating system, running software and application errors.

Thanks for your interest, and please feel free to spread the love!

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Please make any comments in our forums...

Please discuss this release here:
MKV on Windows 7 Forums

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