《Learning WebRTC》pdf 高清

【实例截图】

【核心代码】

Table of Contents
Preface v
Chapter 1: Getting Started with WebRTC 1
Audio and video communication today 1
Enabling audio and video on the Web 2
Camera and microphone capture 3
Encoding and decoding audio and video 3
Transportation layer 4
Session management 4
Creating web standards 5
Browser support 6
Compatibility with Chrome, Firefox, and Opera 6
Compatibility with Android OS 6
Compatibilty with Apple 6
Compatibility with Internet Explorer 7
Using WebRTC in your browser 7
Applications enabled by WebRTC 8
Self-test questions 8
Summary 9
Chapter 2: Getting the User's Media 11
Getting access to media devices 11
Setting up a static server 12
Creating our first MediaStream page 13
Constraining the media stream 15
Constraining the video capture 17
Handling multiple devices 22
Creating a photo booth application 24
Modifying the media stream 26
Self-test questions 28
Summary 29
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Table of Contents
[ iii ]
Starting a peer connection 88
Initiating a call 91
Inspecting the traffic 92
Hanging up a call 94
A complete WebRTC client 94
Improving the application 100
Self-test questions 100
Summary 101
Chapter 6: Sending Data with WebRTC 103
Stream Control Transmission Protocol and data transportation 103
The RTCDataChannel object 105
Data channel options 107
Sending data 108
Encryption and security 109
Adding text-based chat 110
Use cases 113
Self-test questions 115
Summary 116
Chapter 7: File Sharing 117
Getting a file with the File API 118
Setting up our page 121
Getting a reference to a file 126
Breaking down a file into chunks 128
Making chunks readable 129
Reading and sending the file 131
Putting it together on the other side 133
Showing progress to the user 136
Self-test questions 137
Summary 138
Chapter 8: Advanced Security and Large-scale Optimization 139
Securing the signaling server 139
Using encryption 140
Using an OAuth provider 140
Supporting mobile devices 142
Introduction to mesh networking 144
Types of network meshes 146
Everyone to everyone 146
Star network 147
Partial mesh 149
Limits of mesh networking 150
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Table of Contents
[ iv ]
Video conferencing with more users 151
The future of conference calls 153
Self-test questions 154
Summary 155
Appendix: Answers to Self-test Questions 157
Chapter 1, Getting Started with WebRTC 157
Chapter 2, Getting the User's Media 157
Chapter 3, Creating a Basic WebRTC Application 158
Chapter 4, Creating a Signaling Server 158
Chapter 5, Connecting Clients Together 158
Chapter 6, Sending Data with WebRTC 158
Chapter 7, File Sharing 159
Chapter 8, Advanced Security and Large-scale Optimization 159
Index 161