An Introduction to the DLNA Architecture: Network Technologies for Media Devices

An Introduction to the DLNA Architecture: Network Technologies for Media Devices

By: Edwin A. Heredia (author)Hardback

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Description

This book describes the architecture and protocols for interconnecting media devices in home networks. The architecture and protocols described in this book have been developed during the last 10 years by R&D teams from several companies working jointly in two industry organizations known as UPnP and DLNA. This book mainly deals with the DLNA (Digital Living Network Alliance) protocol. This text is especially relevant for the design and development of smart homes, where media devices, communication devices, appliances, and sensors are all integrated in an intelligent network.

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About Author

Edwin A. Heredia is a Senior Program Manager in the Windows Multimedia Platform Team at Microsoft overseeing the design and implementation of innovative pervasive media experiences for home networks and the Internet. He has been working in the fields of communication protocols and media technologies for more than fifteen years. He has been an active participant and lead contributor in a number of worldwide industry standardization projects, including those envisioned by the UPnP Forum and the Digital Living Network Alliance (DLNA). He received an MSc degree in electrical engineering from the University of Delaware.

Contents

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

Product Details

  • publication date: 20/05/2011
  • ISBN13: 9780470881262
  • Format: Hardback
  • Number Of Pages: 418
  • ID: 9780470881262
  • weight: 782
  • ISBN10: 0470881267

Delivery Information

  • Saver Delivery: Yes
  • 1st Class Delivery: Yes
  • Courier Delivery: Yes
  • Store Delivery: Yes

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