March 2013
Intermediate to advanced
1000 pages
34h 51m
English
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Chapter 28. Video
Basic video playback is performed in a view owned by an MPMoviePlayerController. You’ll need to link to MediaPlayer.framework and import <MediaPlayer/MediaPlayer.h>. There are two relevant classes supplied by the Media Player framework:
- MPMoviePlayerController
- Vends a view that plays a movie, along with controls letting the user regulate playback.
- MPMoviePlayerViewController
- A UIViewController subclass that owns an MPMoviePlayerController and displays its view, along with controls letting the user regulate playback.
Warning
The behavior of MPMoviePlayerController has changed significantly from one system version to the next. It is difficult to use it compatibly with multiple system versions. In this chapter, I describe only its current behavior, with no attempt to discuss earlier differences or to advise you on backward compatibility.
A simple interface for letting the user trim video (UIVideoEditorController) is also supplied.
Sophisticated video playing and editing can be performed through AV Foundation. I’ll introduce it at the end of this chapter, describing AVPlayer, an alternative class for playing a movie or a sound, and demonstrating AV Foundation’s video- and audio-editing capabilities.
A movie file can be in a standard movie format, such as .mov or .mp4, but it can also be a sound file. An MPMoviePlayerController or MPMoviePlayerViewController is thus an easy way to play a sound file, including a sound file obtained in real time over the Internet, along ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.