The Apple Notification Center Service
The Apple Notification Center ServiceThe Apple Notification Center Service is a primary service whose service UUID is 7905F431-B5CE-4E99-A40F-4B1E122D00D0. Only one instance of the ANCS may be present on an NP. Due to the nature of iOS, the ANCS is not guaranteed to always be present. As a result, the NC should look for and subscribe to the Service Changed characteristic of the GATT service in ord
Frequently Asked Questions
Frequently Asked QuestionsWhat kinds of encoders are supported? The protocol specification does not limit the encoder selection. However, the current Apple implementation should interoperate with encoders that produce MPEG-2 Transport Streams containing H.264 video and AAC audio (HE-AAC or AAC-LC). Encoders that are capable of broadcasting the output stream over UDP should also be compatible with
Technical Note TN2409: New AV Foundation Camera Features for the iPhone 6 and iPhone 6 Plus
Focus PixelsThe iPhone 6 and 6 Plus have dedicated focus pixels which provide depth information using phase detection. Continuous auto-focus changes are very fast and very subtle. There's no throbbing effect as the lens steps through a full focus scan. Phase detection focus is so good, it is recommended you allow the focus to adjust while recording videos. In low light scenes, the AF mechanism may
Technical Note TN2169: High Precision Timers in iOS / OS X
High Precision Timers in iOS / OS XThe note will cover the do's and dont's of using high precision timers on iOS and OS X. Do I need a high precision timer?Don't use a high precision timer unless you really need it. They consume compute cycles and battery. There can only be a limited number of high precsion timers active at once. A high precision timer is "first in line", and not every timer can b
Getting the Best Performance
Getting the Best PerformanceCore Image provides many options for creating images, contexts, and rendering content. How you choose to accomplish a task depends on: How often your app needs to perform a task Whether your app works with still or video images Whether you need to support real-time processing or analysis How important color fidelity is to your users You should read over the performance
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Creating a macOS app | Apple Developer Documentation
Markup Formatting Reference: Videos
Applying vImage operations to video sample buffers | Apple Developer Documentation
Energy Efficiency Guide for iOS Apps: Restrict UI When Playing Full-Screen Video
Data Types and Constants | Apple Developer Documentation
KeyedDecodingContainer | Apple Developer Documentation
Send communication and Time Sensitive notifications - WWDC21 - Videos - Apple Developer
New in-app purchase capabilities now available - Latest News - Apple Developer
AVPictureInPictureVideoCallViewController | Apple Developer Documentation
sips(1) Mac OS X Manual Page
Resampling a signal with decimation | Apple Developer Documentation
Using linear interpolation to construct new data points | Apple Developer Documentation
Configuring Device Hardware
AVCam: Building a camera app | Apple Developer Documentation
SampleCIView.h