Introduction tohd dvd-systemmodel
- 1. Another Bird’s Eye View of HD-DVD System Model Rendered By: V.M.Vasudevan Title Time Line : 23rd Aug, 2006 Logical Sector: Ashwini Hall
- 2. Agenda Disc Types Directory Structure Basic System Model Overall System Model Conclusion
- 3. Disc Types Divided into 3 types Categorised by the contents They are Category 1 Disc Category 2 Disc Category 3 Disc
- 4. Category 1 Disc Contains only Standard content Standard contents One VMG VMG One or More VTS Standard No Advanced VTS Contents Play list Advanced VTS …
- 5. Category 2 Disc Contains only Advanced Contents Advanced contents Play list Play list Primary/Secondary Video Set Advanced Primary Application Video Set Advanced Advanced Secondary Application/Subtitles Subtitle Video Set No Standard Contents VMG Standard VTS
- 6. Category 3 Disc Contains Both Advanced & Standard Advanced Content Standard content contents Playlist Primary Video Set All Advanced/STD Advanced contents are included Application Advanced VMG Advanced VTS No First Play/VMG Subtitle Standard Domain in the Primary Secondary VTS Video Set Video set. Follows the rules of Category 2 Disc
- 7. The Volume Space HD DVD-Video Zone Volume and File DVD others structure Standard Content Zone Advanced Content Zone zone Advanced Content (Playlist/Advanced Application/ Standard Standard Standard Advanced VMG Secondary Video Set/ VTS #1 VTS #2 VTS #n VTS Advanced Subtitle 2 to 102 3 to 200 n=1 to 511 3 to 2999 1 to 512x2047 files files files files Primary Video Set
- 8. Agenda Disc Types Directory Structure Basic System Model Overall System Model Conclusion
- 9. The Directory Structure Root HVDVD_TS HV000I01.IFO For Video Manager HV000M01.EVO Information HV000M02.EVO Standard content HV000I01.BUP HV001I01.IFO For Video Title Set HV001M01.EVO Information HV001T01.EVO HV001I01.BUP HVA00001.VTI TITLE001.MAP For Advanced Video Title TITLE001.EVO Set Information Advanc ed TITLE001.BUP Content HVS00001.MAP HVA00001.BUP
- 10. The Directory Structure Root ADV_OBJ VPLST000.XPL Files for Play list Files for Advanced Application Files for secondary Video Set Files for advanced subtitle User defined
- 11. Directory & Files HD-DVD Video Disc contains: HVDVD_TS Directory shall exists under ROOT Video Manager (VMG) Contains VGM Information Standard VTS VTS Information and Backup files Advanced VTS VTS Information, Time Map, Enhanced VOB
- 12. Directory & Files (Contd…) Rules: HD-DVD Video Disc HVDVD_TS is the fixed Directory For Video Manager Files VMGI file name is “HV000I01.IFO” EVOB for FP_PGC: “HV000M01.EVO” EVOB set for VMG: “HV000Myy.EVO” VMGI Backup: “HV000I01.BUP” Note: yy = { 02 , 99 }
- 13. Directory & Files (Contd…) Rules: For Standard VTS Files VTSI file name is “HVxxxI01.IFO” EVOB set for VTS menu: “HVxxxMyy.EVO” EVOB set for Title: “HVxxxTyy.EVO” VTSI Backup: “HVxxxI01.BUP” Note: xxx = {001 , 511} yy = {01 , 99}
- 14. Directory & Files (Contd…) Rules: For Advanced VTS Files VTSI file name is “HVA00001.VTI” TMAP File Contiguous blocks : Same file name as the corresponding EVOB with Extension MAP Interleaved blocks : Same file name as the corresponding EVOB set with extension MAP TMAP for Standard VTS: “HVS0xxxx.MAP” Note: xxxx = {0001 , 1998}
- 15. Directory & Files (Contd…) Rules: Files in Directory ADV_OBJ Play List File “VPLSTxxx.XPL” if it connects to a display “APLSTxxx.XPL” if it does not connect Configuration File Name “DISCID.DAT” Certificate – Any Name with extension CER Note: xxx = { 000, 999 }
- 16. Startup Sequence Start Disc Insertion No Is VMG_ID No Is DISCID.DAT ? Valid ? Yes Yes Behavior: Player Play Advanced Play Standard Dependant Content Content End
- 17. Agenda Disc Types Directory Structure Basic System Model Overall System Model Conclusion
- 18. Basic System Model DISC PLAYER User Operation Navigation Manager Navigation Data Presentation Data Presentation Manager Display
- 19. Navigation Manager General General Control Unit Control Data Entry Search Data Entry Search Unit User UI Operation User Interface Control Data Control Unit Navigation Navigation Control Data Control Unit Presentation Presentation Engine Data
- 20. Navigation Manager General Control Unit Handles 2 kinds of information Stream Attributes for Video, Audio, Sub- picture Examples: Coding Mode, Language Information for Audio, Sub-picture Information about selectable Audio streams Parental Management Information
- 21. Navigation Manager Entry Search Unit Handles 2 kinds of Information Information for PGCI search Search for Menu and Title Information for Presentation Data Search Part of Title, Time Map, Angle Information EVOBU search for trick play
- 22. Navigation Manager Navigation Control Unit Controls the Presentation Engine Handles 5 different kinds of information Cell Playback Information Cell Playback Order and its Still Mode Program Playback control PCG Playback Information Navigation Command
- 23. Navigation Manager User Interface Control Unit Controls permission/prohibition of user operations PCGI general information
- 24. Presentation Manager Follows presentation instructions issued by the Navigation Manager to play a presentation data. Presentation Data is divided into cells Navigation Manager issues instructions on the basis of the cell.
- 25. Presentation Data Parental Level 6 English Angle 1 Angle 2 French Parental Level 1 Angle 3
- 26. Agenda Disc Types Directory Structure Basic System Model Overall System Model Conclusion
- 27. Overall System Model User Ops Persistent Navigation Manager Storage Data Data Network Access Server Cache Manager A/V Disc Presentation AV Out Engine Rendering
- 28. Presentation Objects Presentation Data Source Data Type Player Decoder Objects Main Video Main Video Dec Main Audio Primary Main Audio Dec Primary Primary Audio Disc Sub Video Video Sub Video Dec Video Set Video Player Sub Audio Sub Audio Dec Sub-picture Sub-Picture Dec Main Video Main Video Dec Substitute Disc, Audio Video Main Audio Main Audio Dec Secondary Persistent Second Video Set Storage, Substitute ary Network or Audio Main Audio Video Main Audio Dec File Cache Player Sub Video Sub Video Dec Secondary Audio Video Sub Audio Sub Audio Dec
- 29. Presentation Objects (Contd…) Presentation Data Source Data Type Player Decoder Objects Advanced Markup/ Script/ Image/ Effect Advanced Application File Cache Application Audio/ Font Presentation Engine Secondary Markup for Advanced Subtitle/ Video Set File Cache Font/ Image Advanced Subtitle Player
- 30. State Machine Suspended Playback State State Startup State Paused Pre Jump State State Stop FF/FR State Post Jump State State
- 31. What Next User Ops Persistent Navigation Manager Storage Data Data Network Access Server Cache Manager A/V Disc Presentation AV Out Engine Rendering
- 32. Data Access Manager Disc Manager controls data reading from HD Network DVD disc Manager Persistent Storage controls data exchange between itself and the Persistent internals modules of the Storage Manager player. Network Manager controls data exchange Disc Manager between itself and the internals modules of the player.
- 33. What Next User Ops Persistent Navigation Manager Storage Data Data Network Access Server Cache Manager A/V Disc Presentation AV Out Engine Rendering
- 34. Data Cache File Cache is used for temporal file caching among data sources, other File Cache engines. Stream buffer is Streaming used for temporal Buffer data buffer for Secondary Video Set.
- 35. What Next User Ops Persistent Navigation Manager Storage Data Data Network Access Server Cache Manager A/V Disc Presentation AV Out Engine Rendering
- 36. Navigation Manager Parser Advanced User Interface File Cache Manager Application Engine Manager Play List Remote Control Front Panel Manager Game Pad Keyboard e n g nE e n g nE Mouse e v t ar al c e D g n mmr gor P i i a i i
- 37. Navigation Manager Component File Cache Manager Responsible for Storing resource file such as P-EVOB Storing resource files on: Disc, Network Server or Persistent Storage Retrieving resource file from Data Cache File System Management of the File Cache
- 38. Navigation Manager Component Parser Reads & Parses advanced Navigation files. Files requested by Playlist Manager & Advanced Application Manager
- 39. Navigation Manager Component Playlist Manager Responsibilities are: Initialisation of all playback control modules Title Timeline control File Cache resource management Playback Control module management Interface of Player System
- 40. Navigation Manager Component Advanced Application Manager Declarative Engine Manages & Controls declarative behavior of Advanced Content Responsibilities include Control of Presentation Engine Control of Main Video Control of Sub Video Scheduled script call
- 41. Navigation Manager Component Advanced Application Manager Programming Engine Manages event driven behaviors API set calls Any kind of control of Advanced Content. User Interface events are typically handled
- 42. Navigation Manager Component User Interface Engine Includes Cursor Manager UI controllers User input events are notified to the presentation engine
- 43. What Next User Ops Persistent Navigation Manager Storage Data Data Network Access Server Cache Manager A/V Disc Presentation AV Out Engine Rendering
- 44. Presentation Engine Advanced Application Presentation Engine Pixel Buffer Font Rendering System Advanced Subtitle Player Secondary Decoder Engine Video Player Primary Video Player
- 45. Presentation Engine Component Advanced Application Presentation Engine Outputs 2 streams to the AV Renderer Frame Image for Graphics Plane Effect Audio Stream Consists of Sound Decoder Graphics Decoder Layout Manager
- 46. Presentation Engine Component Font Rendering System Generating text image for presentation In Request from: Advanced Application Presentation Engine Advanced Subtitle Player Uses Pixel buffer for decoding text image Supports OpenType Font
- 47. Presentation Engine Component Advanced Subtitle Player Outputs Subtitle images to the Sub-picture Plane Contains Parser, Declarative Engine & Layout Manager Flow of Data Parser reads Markup file from File Cache Parsed data is passed to Declarative engine The Engine uses Layout manager to present
- 48. Presentation Engine Component Secondary Video Player Responsible to play Substitute Audio Video from the Secondary Video Set Connects to proper decoders in the Decoder Engine Contents to this module is always read form the File Cache before playing. Contains Secondary Video Playback Engine De-Multiplexer
- 49. Presentation Engine Component Primary Video Player Responsible for playing the Primary Video Set. Data is always reads from the Disc only. Contains DVD Playback Engine De-Multiplexer
- 50. Presentation Engine Component Decoder Engine 5 Types of decoders are there Main Audio, Main Video Sub Audio, Sub Video & Sub-picture This decoder can connect to either a Primary Video or a Secondary Video player based on playback combination of the presentation stream
- 51. What Next User Ops Persistent Navigation Manager Storage Data Data Network Access Server Cache Manager A/V Presentation AV Out Disc Engine Rendering
- 52. AV Rendering Has mainly 2 responsibilities Convert composite graphics planes to composite Video signals Mix the PCM streams and output the mixed Audio signals Contains Graphics Rendering Engine Audio Mixing Engine
- 53. Agenda Disc Types Directory Structure Basic System Model Overall System Model Conclusion
- 54. Conclusion Certainly Confused and Sleepy Have tons of Engines and Data Sets to handle with Many more Questions than at Start of this session.