AudioVisual Assets in Vidio App

This tech-talk will talk about how AVAsset can be played in Vidio iOS Application and other capabilities such as :
- Protecting DRM-Content
- Getting any subtitles and load into AVPlayer (iOS native Player)
- Connecting to AppleTV(AirPlay)
- and Download capabilities (this feature just spike and has not been implemented in Vidio iOS)

Transcript

1. Vidio iOS - Tech Talk AudioVisual Assets in Vidio App
2. Overview • How to play media such as video in iOS app? ◦ What are relationship between AVPlayer, AVPlayerItem, and AVAsset? • What is AVAsset and AVURLAsset? • What does AVAsset do in Vidio? • How to play AVURLAsset in AVPlayer? • What is DRM Content ◦ How to play DRM Content in Client Side (iOS App) • How to get subtitles to load in AVPlayer? • How to connect with AirPlay?
3. How to play media in iOS App • Use AVPlayer to play media assets, which AVFoundation models using the AVAsset class. • AVFoundation Framework, works with audiovisual assets, control device cameras, process audio, and configure system audio interactions.
4. Relationship between AVPlayer, AVPlayerItem, and AVAsset (1) AVPlayer AVPlayerItem AVAsset
5. Relationship between AVPlayer, AVPlayerItem, and AVAsset (2) • AVPlayer is an object that provides the interface to control the player’s transport behavior. • AVPlayerItem is an object used to model the timing and presentation state of an asset played by the player. • AVAsset is The abstract class used to model audiovisual media such as videos and sounds.
6. AVAsset • "The abstract class used to model timed audiovisual media such as videos and sounds." AVAsset is an abstract class, so when you create an asset as shown in the example, you’re actually creating an instance of one of its concrete subclasses called AVURLAsset.
7. AVURLAsset • "A concrete subclass of AVAsset that's used to initialize an asset from a local or remote URL."
8. AVAsset in Vidio App • Source of an Item to play (AVPlayer) • DRM Content • Get subtitles and load into AVPlayer • AirPlay • Download (coming soon)
9. How to play AVAsset in AVPlayer • Instantiate an AVPlayer object either way with or without AVPlayerItem • Call replaceCurrentItem function • Call play function
10. WHAT IS DRM? • “A set of access control technologies for restricting the use of proprietary hardware and copyrighted works to control the use, modification, and distribution”
11. HOW TO PLAY DRM CONTENT IN CLIENT SIDE (iOS APP) FPS: FairPlay Streaming SPC: Server Playback Context CKC: Content Key Context
12. HOW TO PLAY DRM CONTENT IN CLIENT SIDE (iOS APP) • Request FPSkey, get SPCMessage, and load CKC done by AVAssetResourceLoaderDelegate • AVAssetResourceLoader is a property that held by AVAsset
13. • AVAsset has a function that returns a media selection group object that contains one or more options with the specified media characteristic. • AVMediaSelectionGroup is an object that represents a collection of mutually exclusive options for the presentation of media within an asset. How to get subtitles and load into AVPlayer
14. How to connect with AirPlay (1) • Basically, AirPlay mirroring the AVURLAsset(the content) that in AVPlayer to AppleTV device. • So the only thing you need is implementing AVRoutePickerView in your View • AVRoutePickerView is an object that displays controls for picking playback routes.
15. How to connect with AirPlay (2) AVRoutePickerView AVPlayer on Vidio App
16. Thank you