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Chris Adamson

Chris Adamson

Chris Adamson is an independent writer, editor, and developer, living in Grand Rapids, Michigan. Along with developing numerous App Store apps for clients, he is the co-author of iPhone SDK Development (Pragmatic Programmers) and Learning Core Audio (Addison-Wesley Professional). He maintains a corporate identity as Subsequently & Furthermore, Inc. and writes the [Time code]; blog at http://www.subfurther.com/blog. In a previous career, he was a Writer / Associate Producer at CNN Headline News, and over the years, he has managed to own thirteen and a half Macs.

 

CocoaConf DC Presentations:


Core Audio Cranks It Up

Core Audio, the only media framework available since day one of the public iPhone SDK, offers extremely low latency and powerful access to the device's audio processing system... assuming you can handle what's renowned as one of the hardest APIs on the platform. In iOS 5, Core Audio gets even better, with great new features that had previous been burdensome, if not impossible, to develop on your own. Once the iOS 5 NDA drops, the shiny new bits will be available to all, and this talk will be one of your first chances to learn how they work. Attendees will learn the basics of Core Audio -- the engine APIs that process sound (Audio Queue, Audio Units, and OpenAL) and the helper APIs that get samples into and out of them -- and then look where iOS 5 fills in some of the holes that have existed up to now.

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Reverse Q&A Panel

"In Soviet Russia, panel questions you!"

Borrowing an idea from the Penny Arcade Expo (PAX) and the panels held there by Harmonix (makers of the "Rock Band" games), a "Reverse Q&A" literally turns the tables on the traditional panel. Speakers become questioners, and attendees are the ones with the answers.

It's a new and novel idea, letting attendees have their moment in the limelight to say what they're really thinking, and letting speakers learn more about what people want from conferences, books, and their development life in general. With a combination of polls, follow-ups, person-on-the-street questions, and funny stories that we can all relate to, the Reverse Q&A will shake the cobwebs out of the old panel format and turn it into a two-way discussion that both sides of the mics can learn from.

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Mobile Movies with HTTP Live Streaming

If your iOS app streams video, then you're going to be using HTTP Live Streaming. Between the serious support for it in iOS, and App Store rules mandating its use in some cases, there realistically is no other choice. But where do you get started and what do you have to do? In this session, we'll take a holistic look at how to use HLS. We'll cover how to encode media for HLS and how to get the best results for all the clients and bitrates you might need to support, how to serve that media (and whether it makes sense to let someone else do it for you), and how to integrate the HLS stream into your app.

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