Open sourcing DisplayCast

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Open source plays an important role in a research laboratory like FXPAL. It allows our researchers to focus their energy on their own innovations and build on the efforts of the community. Open source projects thrive when many openly contribute their work for the common good. However, FXPAL has a business imperative to protect its innovations. We believe that we have found the balance between contributing back to the open source community and protecting our innovations.

Thus we are happy to announce that we have open sourced DisplayCast using a liberal NewBSD license. DisplayCast is a high performance screen sharing system designed for Intranets. It supports real time multiuser screen sharing across Windows 7, Mac OS X (10.6+) and iOS devices. The technical details of our screen capture and compression algorithms will be presented at the upcoming ACM Multimedia 2012 conference. The source code is hosted at GitHub. We provide two repositories: an Objective C based screen capture, playback and archive component that targets the Apple Mac OS X and iOS platforms, and an .NET/C# based screen capture and real time playback component that targets Windows 7.

We hope others find DisplayCast useful and that they will release their own innovations back to the open source community. FXPAL will continue to open source relevant projects in the future.