kSIST prES 202 184 V2.3.1:2013

Final draft ETSI ES 202 184 V2.3.1 (2013-01)

ETSI Standard
MHEG-5 Broadcast Profile
2 Final draft ETSI ES 202 184 V2.3.1 (2013-01)

Reference
RES/JTC-024
Keywords
broadcasting, data, digital, DVB, IP, MHEG,
MPEG, terrestrial, TV, video
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© European Telecommunications Standards Institute 2013.
© European Broadcasting Union 2013.
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ETSI
3 Final draft ETSI ES 202 184 V2.3.1 (2013-01)
Contents
Intellectual Property Rights . 18
Foreword . 18
Introduction . 18
1 Scope . 19
1.1 Localizing the present document . 19
1.1.1 Extensions . 19
1.1.2 Allocation of codes . 20
1.1.3 Duplicate services . 20
2 References . 20
2.1 Normative references . 20
2.2 Informative references . 23
3 Definitions and abbreviations . 24
3.1 Definitions . 24
3.2 Abbreviations . 26
4 Conventions . 27
5 Basic architecture . 27
6 Transport protocols. 29
7 Content formats . 29
7.1 Static for mats . 29
7.1.1 Bitmap image formats . 29
7.1.1.1 PNG. 29
7.1.1.2 MPEG-2 I-frames . 29
7.1.2 Monomedia formats for audio clips . 29
7.1.3 Monomedia formats for text . 29
7.2 Broadcast streaming formats . 29
7.3 Resident fonts . 30
7.4 Colour representation . 30
8 Application model . 30
8.1 Application lifecycle . 30
8.1.1 Launching and terminating MHEG-5 applications . 30
8.1.2 Preparing for launch. 31
8.1.3 Auto boot broadcast application . 31
8.1.3.1 How an auto-boot application is done . 31
8.1.4 Auto kill application . 31
8.1.5 Application context . 31
8.1.5.1 Initial carousel . 31
8.1.5.2 Current carousel . 31
8.1.5.3 Current source . 32
8.1.5.4 Authentication Source . 32
8.1.6 Accessible file systems . 32
8.1.6.1 Broadcast applications . 32
8.1.6.2 CI introduced applications . 33
8.1.6.3 Interaction Channel . 33
8.1.7 Keeping an application running across service tunes. 33
8.1.7.1 Broadcast file system requests . 33
8.1.7.2 Timers . 33
8.1.7.3 Carousel Identity . 34
8.1.7.4 Broadcast file system . 34
8.1.7.5 Network and service boot info . 34
8.1.7.6 Behaviour of stream decoders . 34
8.1.7.7 Content management . 35
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4 Final draft ETSI ES 202 184 V2.3.1 (2013-01)
8.1.7.8 Receiver keys . 35
8.1.7.9 Interaction with resident programs . 35
8.1.7.10 Interaction channel security . 35
8.1.7.11 Autoboot behaviour . 35
8.1.7.12 True persistent storage . 36
8.2 Application stacking . 36
9 Signalling . 36
9.1 Introduction to application lifecycle signalling . 36
9.1.1 Application-level signalling . 37
9.1.2 Service-level signalling . 37
9.1.3 Network-level signalling . 37
9.1.4 Scope . 37
9.2 AIT Signalling Extension . 37
9.2.1 Coexistence of Classical and AIT signalling . 39
9.2.2 Life-Cycle Signalling in AIT and PMT . 39
9.2.2.1 carousel_id_descriptor . 40
9.2.2.2 data_broadcast_id_descriptor . 40
9.2.2.3 MHEG NDT support with AIT signalling . 40
9.2.2.3.1 Network and service boot info . 41
9.2.2.4 Definition of "well formed" for MHEG Applications . 41
9.3 PMT and ServiceGateway signalling extension . 41
9.3.1 Introduction. 41
9.3.2 Identification of auto-boot application . 41
9.3.2.1 data_broadcast_id_descriptor . 41
9.3.2.2 Network boot info sub-descriptor . 42
9.3.2.3 Service boot info sub-descriptor . 43
9.3.3 Acquisition of the ServiceGateway object . 43
9.3.3.1 carousel_id_descriptor . 43
9.3.4 Acquisition of the auto-boot object . 44
9.3.4.1 ServiceContextList . 44
9.3.4.2 Locating the initial object . 45
9.3.4.2.1 Explicit Initial Object Identified . 45
9.3.4.2.2 No Explicit Initial Object Identified . 46
9.3.4.2.3 Initial File System. 46
9.3.4.2.4 Example . 46
9.3.5 Example of steps required for auto-boot . 46
9.3.6 Service-level application lifecycle signalling . 47
9.3.7 Network-level application lifecycle signalling . 47
9.3.7.1 Auto mount broadcast file system . 47
9.3.7.2 network_boot_info . 48
9.3.7.3 data_broadcast_id . 48
9.3.7.4 carousel_id . 48
9.3.7.5 Carousels moving components . 48
9.3.7.6 Removal of service . 48
10 Security. 48
11 MHEG-5 engine profile. 49
11.1 Basic specification . 49
11.2 Object interchange format . 49
11.3 Set of classes . 50
11.4 Set of features . 51
11.4.1 GetEngineSupport "feature" strings . 51
11.4.1.1 VideoDecodeOffset . 53
11.4.1.2 BitmapDecodeOffset . 54
11.4.1.3 Engine identification strings. 54
11.4.1.4 Audio stream decoders . 54
11.5 Content data encoding . 55
11.5.1 Use of negative hook values . 56
11.5.2 Bitmap objects . 56
11.5.2.1 Scaling . 56
11.5.2.2 Tiling . 56
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11.5.2.3 Transparency . 57
11.5.3 Stream "memory" formats . 57
11.5.3.1 Audio . 57
11.5.4 Non-linear stream formats . 57
11.5.4.1 Video . 57
11.5.4.2 Audio . 57
11.5.4.3 Subtitles . 57
11.5.4.4 Encrypted non-linear streams . 58
11.6 User input . 58
11.6.1 Base remote control functions . 58
11.6.1.1 Receiver group . 59
11.6.1.2 Register 3 group (see table 11.8) . 59
11.6.1.3 Register 4 group (see table 11.8) . 60
11.6.1.4 Register 5 group (see table 11.8) . 60
11.6.1.5 Register 6 group (see table 11.8) . 60
11.6.2 Extended remote control functions . 60
11.6.2.1 Register 6 group (see table 11.9) . 60
11.6.3 UserInput registers . 60
11.6.3.1 Base UserInput registers . 60
11.6.3.2 Extended UserInput registers . 61
11.6.4 Implementation of this interaction model . 62
11.6.5 Interaction with broadcast-triggered native applications . 62
11.7 Semantic constraints on MHEG-5 applications . 62
11.8 EngineEvents . 62
11.8.1 Object retrieval errors . 64
11.8.2 Object retrieval errors - Interaction Channel . 64
11.9 Protocol mapping and external interaction . 64
11.10 ResidentProgra ms . 65
11.10.1 Typical use . 66
11.10.2 Program names . 67
11.10.3 Encoding of resident program names. 67
11.10.3.1 Case sensitive names . 67
11.10.4 Date and time functions . 67
11.10.4.1 Day, date and time functions . 67
11.10.4.2 GetCurrentDate . 67
11.10.4.3 FormatDate. 67
11.10.4.4 GetDayOfWeek . 68
11.10.5 Random number function . 69
11.10.5.1 Random . 69
11.10.6 Type conversion functions . 69
11.10.6.1 CastToContentRef . 69
11.10.6.2 CastToObjectRef . 69
11.10.6.3 CastToStringInt . 70
11.10.7 String manipulation functions . 70
11.10.7.1 Range of string index values . 70
11.10.7.2 GetStringLength . 70
11.10.7.3 GetSubString . 70
11.10.7.4 SearchSubString . 71
11.10.7.5 SearchAndExtractSubString. 71
11.10.8 Service selection . 72
11.10.8.1 SI_GetServiceIndex . 72
11.10.8.2 SI_TuneIndex . 73
11.10.8.3 SI_GetBasicSI . 73
11.10.8.4 SI_TuneIndexInfo . 73
11.10.8.4.1 Destructive service tune. 75
11.10.8.4.2 Non-destructive service tune . 75
11.10.9 Checking references . 76
11.10.9.1 CheckContentRef . 77
11.10.9.2 CheckGroupIDRef . 77
11.10.10 Presentation information . 78
11.10.10.1 VideoToGraphics . 78
11.10.10.1.1 Informative note . 78
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11.10.10.2 SetWidescreenAlignment . 79
11.10.10.3 GetDisplayAspectRatio . 79
11.10.10.4 SetSubtitleMode . 80
11.10.10.5 SetBroadcasterInterruptions . 80
11.10.10.6 GetAudioDescPref . 81
11.10.10.7 GetSubtitlePref . 81
11.10.11 Common Interface . 82
11.10.11.1 CI_SendMessage . 82
11.10.12 Interaction channel . 82
11.10.12.1 GetICStatus . 82
11.10.12.2 ReturnData . 83
11.10.12.3 MeasureStreamPerformance . 84
11.10.12.4 PromptForGuidance . 84
11.10.12.5 PersistentStorageInfo . 85
11.10.12.6 SetCookie . 85
11.10.12.7 GetCookie . 85
11.10.12.8 GetPINSupport . 86
11.10.13 Hybrid file system . 86
11.10.13.1 SetHybridFileSystem . 86
11.10.14 Developer utilities . 88
11.10.14.1 WhoAmI . 88
11.10.14.2 Debug . 88
11.10.15 Access to application lifecycle signalling . 89
11.10.15.1 GetBootInfo . 89
11.10.16 Data exchange with ResidentPrograms. 89
11.10.16.1 Memory spaces . 89
11.10.16.2 On invocation . 89
11.10.16.3 CallSucceeded/ForkSucceeded Values . 89
11.10.16.4 During execution . 89
11.10.16.5 On completion . 90
11.10.17 Duration of effect of ResidentPrograms . 90
11.11 Limitations on standard data-types . 90
11.11.1 BooleanVariable . 90
11.11.2 IntegerVariable . 90
11.11.3 OctetString . 90
11.11.4 ObjectNumber . 90
11.11.5 GroupIdentifier and ContentReference . 91
11.12 Extensions to the MHEG-5 language specification . 91
11.12.1 Preamble . 91
11.12.2 Changes to the Group class . 91
11.12.2.1 Changes to "Own internal attributes" . 91
11.12.2.2 Changes to "Events" . 91
11.12.2.3 Changes to "Effect of MHEG-5 actions" . 91
11.12.3 Changes to the Application class . 92
11.12.3.1 Changes to "Own exchanged attributes" . 92
11.12.3.2 Changes to "Own internal attributes" . 92
11.12.3.3 Changes to "Effect of MHEG-5 actions" . 92
11.12.4 Changes to the Scene class . 93
11.12.4.1 Changes to "Own exchanged attributes" . 93
11.12.4.2 Changes to "Own internal attributes" . 93
11.12.4.3 Changes to "Events" . 93
11.12.4.4 Changes to "Effect of MHEG-5 actions" . 94
11.12.5 Changes to the TokenGroup class . 94
11.12.5.1 Changes to "Effect of MHEG-5 actions" . 94
11.12.6 Changes to the ListGroup class . 94
11.12.6.1 Changes to "Own exchanged attributes" . 94
11.12.6.2 Changes to "Own internal attributes" . 94
11.12.6.3 Changes to "Effect of MHEG-5 actions" . 95
11.12.7 Changes to the Bitmap class . 95
11.12.7.1 Changes to "Own internal attributes" . 95
11.12.7.2 Changes to "Effect of MHEG-5 actions" . 95
11.12.8 Changes to the Text class . 97
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11.12.8.1 Changes to "Own exchanged attributes" . 97
11.12.8.2 Changes to "Own internal attributes" . 97
11.12.8.3 Changes to "Effect of MHEG-5 actions" . 98
11.12.9 Changes to the Stream class . 99
11.12.9.1 Changes to "Own exchanged attributes" . 99
11.12.9.2 Changes to "Own internal attributes" . 100
11.12.9.3 Changes to "Internal behaviours" . 100
11.12.9.4 Changes to "Effect of MHEG-5 actions" . 100
11.12.10 Changes to the Video class . 101
11.12.10.1 Changes to "Own internal attributes" . 101
11.12.10.2 Changes to "Effect of MHEG-5 actions" . 101
11.12.11 Changes to the Slider class . 105
11.12.11.1 Changes to "Own exchanged attributes" . 105
11.12.11.2 Changes to "Own internal attributes" . 105
11.12.11.3 Changes to "Events" . 105
11.12.11.4 Changes to "Internal behaviour" . 106
11.12.11.5 Changes to "Effect of MHEG-5 actions" . 106
11.12.12 Changes to the HyperText class . 107
11.12.12.1 Changes to "Own internal attributes" . 107
11.12.12.2 Changes to "Events" . 108
11.12.12.3 Changes to "Internal behaviours" . 108
11.12.12.4 Changes to "Effect of MHEG-5 actions" . 109
11.12.13 Changes to the LineArt class . 109
11.12.13.1 Changes to "Own exchanged attributes" . 110
11.12.13.2 Changes to "Effect of MHEG-5 actions" . 110
11.13 Clarifications, restrictions and amendments . 110
11.13.1 Additional semantics for the SetTimer action . 110
11.13.2 CounterPosition attribute . 110
11.13.2.1 Broadcast delivered streams . 110
11.13.2.2 IP delivered streams . 110
11.13.3 Synchronous event processing . 111
11.13.3.1 Preferred interpretation .
...