An Introduction to the DLNA (R) Architecture – Network Technologies for Media Devices

Preface xvii
<p>Acknowledgments xxi</p>
<p>Acronyms xxiii</p>
<p>1. Introduction 1</p>
<p>1.2 Networks of Media Devices 1</p>
<p>1.2 Ubiquitous Computing at Home 3</p>
<p>1.3 Home Networking Challenges 5</p>
<p>1.4 Protocols for Networks of Media Devices 6</p>
<p>1.5 Protocol Development 6</p>
<p>2. Scenarios and Models 11</p>
<p>2.1 Usage Scenarios 11</p>
<p>2.2 Control Models 16</p>
<p>2.3 Media Characterization 21</p>
<p>3. Device Classification 25</p>
<p>3.1 UPnP Devices and Control Points 25</p>
<p>3.2 UPnP Media Servers and Media Renderers 26</p>
<p>3.3 Device Taxonomy 29</p>
<p>3.4 Device Classes and Capabilities 30</p>
<p>3.5 Device Nomenclature 41</p>
<p>4. Network Connectivity 43</p>
<p>4.1 Physical and Link Layers 43</p>
<p>4.2 TCP/IP Protocols 44</p>
<p>4.3 IP Addressing 51</p>
<p>4.4 DHCP 53</p>
<p>4.5 Auto–IP 56</p>
<p>5. Discovery Protocols 59</p>
<p>5.1 Root and Embedded Devices 59</p>
<p>5.2 Discovery Messages 60</p>
<p>5.3 Presence Advertisements (SSDP Alive Messages) 63</p>
<p>5.4 Number and Types of Presence Advertisements 66</p>
<p>5.5 Exit Advertisements (SSDP Bye–Bye Messages 67</p>
<p>5.6 Discovery Search Requests (M–SEARCH Requests) 68</p>
<p>5.7 Discovery Search Responses (M–SEARCH Responses) 70</p>
<p>6. Description Protocols 73</p>
<p>6.1 Device Description Document (DDD) 73</p>
<p>6.2 Service Description Document (SDD) 83</p>
<p>7. Server Control Protocols 91</p>
<p>71. The DMS Content Directory Service 92</p>
<p>7.2 The DMS Connection Manager Service 139</p>
<p>8. Renderer Control Protocols 147</p>
<p>8.1 Usage Model 147</p>
<p>8.2 Discovery of Content and Devices 150</p>
<p>8.3 The Connection Manager Service in a DMR 150</p>
<p>8.4 The AV Transport Service in a DMR 156</p>
<p>8.5 The Rendering Control Service in a DMR 182</p>
<p>8.6 Multiple Controllers in the Network 190</p>
<p>9. Exchange Protocols for Actions and Events 193</p>
<p>9.1 Control and Event URLs 193</p>
<p>9.2 Exchange Protocols for Actions 195</p>
<p>9.3 Exchange Protocols for Events 201</p>
<p>10. HTTP Media Streaming 209</p>
<p>10.1 HTTP Servers and Clients 210</p>
<p>10.2 Transfer Modes 211</p>
<p>10.3 HTTP Methods 223</p>
<p>10.4 HTTP Versions 226</p>
<p>10.5 Relevant HTTP Headers 227</p>
<p>11. Media Control Experience 241</p>
<p>11.1 Navigation Operations 243</p>
<p>11.2 Playback Operations 250</p>
<p>12. Digital Media Requirements 269</p>
<p>12.1 Media Formats and Profiles 270</p>
<p>12.2 Proliferation of Media Format Profiles 271</p>
<p>12.3 Exposing Content in a CDS 273</p>
<p>12.4 MIME Types 274</p>
<p>12.5 The Profile ID 275</p>
<p>12.6 Media Interoperability 276</p>
<p>12.7 Mandatory Profiles for the HND Category 279</p>
<p>12.9 Summary of DLNA Media Requirements 280</p>
<p>13. Media Format Profiles 281</p>
<p>13.1 Image Class: JPEG Content 281</p>
<p>13.2 Audio Class: AAC Content 283</p>
<p>13.3 Audio Class: LPCM Content 285</p>
<p>13.4 Audio Class: MP3 Content 286</p>
<p>13.5 Audio Class: WMA Content 287</p>
<p>13.6 A/V Class: AVC Content 289</p>
<p>13.7 A/V Class: MPEG–2 PS Content 290</p>
<p>13.8 A/V Class: MPEG–2 TS Content 293</p>
<p>13.9 A/V Class: WMV Content 301</p>
<p>13.10 MP4 Files 303</p>
<p>13.11 Profiles for Link Protection 303</p>
<p>13.12 Assignment of Profile IDs 304</p>
<p>14. AVT Actions and State Variables 307</p>
<p>14.1 AVT Actions 307</p>
<p>14.2 AVT State Variables 320</p>
<p>15. CDS Actions and State Variables 331</p>
<p>15.1 CDS Actions 331</p>
<p>15.2 CDS State Variables 339</p>
<p>16. CMS Actions and State Variables 341</p>
<p>16.1 CMS Actions 341</p>
<p>16.2 CMS State Variables 344</p>
<p>17. RCS Actions and State Variables 347</p>
<p>17.1 RCS Actions 347</p>
<p>17.2 RCS State Variables 355</p>
<p>Appendix A: Error Codes 359</p>
<p>Appendix B: Size Limits in Data Structures 363</p>
<p>Glossary 365</p>
<p>References 371</p>
<p>Index 379&nbsp;</p>