Please publish the information necessary to allow third-party devs to produce their own 'Professional Video Workflow Plug-Ins'.

This is an unfortunate and hopefully short-lived shortcoming, as AVFoundation appears to be capable of working with externally-produced codecs installed as 'Professional Video Workflow Plug-Ins'. Unfortunately, AVFoundation's built-in codecs are several orders of magnitude too slow for this type of application, and our inability to create a third-party codec means that this sort of performance simply cannot be realized with the framework- and this is just one concrete example. None of the examples on this page can be achieved with AVFoundation in its current state- all of the above apps are either based on QuickTime (OS X and Windows) or DirectShow (Windows). …and to nobody's surprise, we've learned that Hap is extremely well-suited to projection mapping and dome installations, both of which are typically seen in large-scale, high-end events: The d3 '4x4 pro'- a media server for major event production widely used by more professional touring musicians than you can shake a stick at- uses Hap to play back eight layers of 4k video in realtime: Under QuickTime, a stock retina MBP can play back 10 layers of 1080p/30fps Hap video in OS X before it starts dropping frames more video can be played back simply by adding more/faster drives: If a specific example would help clarify the issue, look no further than the Hap codec, which has been specifically optimized to enable the playback of large numbers of high-res video files simultaneously: Third-party developers need this capability every bit as much as apple's internal dev teams, for the very same reasons. The quiet addition of 'Professional Video Workflow Plug-Ins' and their use in Apple's own professional applications is a tacit admission that a modular plugin architecture for working with codecs is still a necessary and vitally important step in using AVFoundation to develop professional and special-purpose video applications. Please post documentation and/or sample code with the specs and requirements necessary to produce a 'Professional Video Workflow Plug-In' for OS X.

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