佳品教程Learning AV Foundation.pdfAvFoundation 开发教程Add

文件名称: 佳品教程Learning AV Foundation.pdf

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详细说明：AvFoundation 开发教程Addison-Wesley Learning Series LEARNING Javascript OBJECTIVE-C 2.0 LEARNING COCOS2D LEARNING ANDROID GAME PROGRAMMING A Hands-Os Gu de to the Fundamenta o! Modern Javascrip Hands-On Guid: tl Building 0s GimIs with AHands-onGuinlet Bilong You- First Android Game 00 5TROU GO ROBERT CLAIR KAY WE NUEHLICH t Addison-Wesley Visit informit. com/learningseries for a complete list of available publications The Addison-Wesley Learning Series is a collection of hands-on programming guides that help you quickly learn a new technology or language so you can apply what you've learned right away Each title comes with sample code for the application or applications built in the text. This code is fully annotated and can be reused in your own projects with no strings attached. Many chapters end with a series of exercises to encourage you to reexamine what you have just learned, and to tweak or adjust the code as a way of learning Titles in this series take a simple approach they get you going right away and leave you with the ability to walk off and build your own application and apply the language or technology to whatever you are working on ☆ Addison- Wesley informIT Safari ALWAYS LEARNING PEARSON earning av Foundation A Hands-on Guide to Mastering the Av Foundation Framework Bob mccune 六 Addison-Wesley Upper Saddle river,NJ· Boston· Indianapolis· San francisco ew york· Toronto· Montreal· London· Munich· Paris· Madrid Cape Town· Sydney· Tokyo· Singapore· Mexico city Many of the designations used by manufacturers and sellers to distinguish their products Editor-in-Chief are claimed as trademarks. Where those designations appear in this book, and the Mark taub publisher was aware of a trademark claim, the designations have been printed with initial capital letters or in all capitals. Senior Acquisitions Editor The author and publisher have taken care in the preparation of this book, but make no Trina macdonald expressed or implied warranty of any kind and assume no responsibility for errors or Development omissions. No liability is assumed for incidental or consequential damages in connection Edito with or arising out of the use of the information or programs contained herein Chris Zahn For information about buying this title in bulk quantities, or for special sales opportunities Managing Editor (which may include electronic versions; custom cover designs; and content particular to Kristy Hart your business, training goals, marketing focus, or branding interests), please contact our corporatesalesdepartmentatcorpsalespearsoned.comor(800)382-3419 Project Editor Elaine wiley For government sales inquiries, please contact governmentsalespearsoned com Copy Editor ForquestionsaboutsalesoutsidetheU.s.,pleasecontactinternationalpearsoned.com Barbara hacha Visit us on the Web: intermit. com/aw Senior Indexer Cheryl Lenser Library of Congress Control Number: 2014944245 Proofreader Copyright c 2015 Pearson Education, Inc Katherine matejka All rights reserved. Printed in the United states of America. This publication is protected Technical by copyright, and permission must be obtained from the publisher prior to any prohibited Reviewers reproduction, storage in a retrieval system, or transmission in any form or by any means Chris Adamson ng, recording, or like Ryder Mackay material from this work, please submit a written request to Pearson Education, It Jon steinmetz Permissions Department, One Lake Street, Upper Saddle River, New Jersey o7458, or you Editorial Assistant y fax your request to(201)236-3290 Olivia Baseglo lSBN-13:9780321961808 Cover Designer SBN-10:0321961803 Chuti Prasertsith Text printed in the United States on recycled paper at Courier in Westford, Massachusetts Senior Compositor Gloria schurick First printing: October 2014 I dedicate this book to my loving wife, Linda, who supports me in all my crazy endeavors Contents Preface xiii Part av foundation essentials 1 1 Getting Started with AV Foundation 3 What Is av foundation? 3 Where does av foundation Fit? 4 Decomposing AV Foundation 6 Understanding Digital Media 7 Digital Media compression 13 Container formats 18 Hello av foundation 19 Summary 23 Challenge 24 2 Playing and Recording Audio 25 Mac and ios Audio environments 25 Understanding audio sessions 26 Audio playback with AVAudio Player 28 Building an Audio Looper 30 Configuring the Audio session 34 Handling Interruptions 36 Responding to Route Changes 40 Audio recording with AVAudioRecorder 42 Building a voice Memo App 45 Enabling Audio Metering 52 Summary 57 3 Working with Assets and Metadata 59 Understanding assets 59 Creating an Asset 60 Asynchronous Loading 63 Media metadata 65 Working with Metadata 70 Building the MetaManager App 76 Saving metadata 98 Summary 101 Challenge 101 Contents 4 Playing Video 103 Playback Overview 103 Playback Recipe 107 Working with Time 109 Building a video player 110 Time observation 118 Creating a Visual Scrubber 124 Showing Subtitles 129 Airplay 133 Summary 136 Challenge 136 5 Using AV Kit 137 AV Kit for ios 137 AV Kit for mac0sⅩ140 First steps 140 Control styles 144 Going Further 147 Working with Chapters 151 Enabling Trimming 157 Exporting 159 Movie modernization 161 Summary 165 Challenge 166 Part l Media Capture 167 6 Capturing Media 169 Capture Overview 169 Simple Recipe 174 Building ra App 175 Summary 208 Challenge 208 Contents 7 Using Advanced Capture Features 209 Video Zooming 20 Face Detection 216 Machine-Readable code detection 228 Using High Frame Rate Capture 241 ng Video 247 Understanding CMSample Buffer 249 Summary 257 Challenge 258 8 Reading and Writing Media 259 Overview 259 Building an Audio Waveform View 265 Advanced Capture Recording 276 Summary 293 Challenge 293 Part I Media Creation and Editing 295 9 Composing and Editing Media 297 Composing Media 297 Norking with Time 30 Basic Recipe 303 Introducing 15 Seconds 307 Building a Composition 311 Exporting the composition 316 Summary 321 Challenge 322 Contents 10 Mixing Audio 323 Mixing Audio 323 Mixing Audio in the 15 Seconds App 327 333 Challenge 333 11 Building video Transitions 335 Overview 335 Conceptual steps 337 15 Seconds: Adding video Transitions 348 ry360 Challenge 360 12 Layering Animated Content 361 Using Core Animation 361 Using Core Animation with AV Foundation 363 15 Seconds: Adding Animated Titles 367 Preparing the ion 378 383 Challenge 384

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