1 Definition
A Data Type including the arrangement of the Objects of an Audio-Visual Scene.
2 Functional Requirements
Audio-Visual Basic Scene Geometry include:
- The ID of a Virtual Space (M-Instance) where it is or is intended to be located.
- The ID of the Audio-Visual Scene Geometry.
- The number of Objects in the Scene.
- The number of Scenes in the Scene.
- The Space-Time Attributes of the Scene Geometry.
- The Spatial Attitudes and Qualifiers of
- Audio Objects.
- Visual Objects.
- AV Objects.
3 Syntax
https://schemas.mpai.community/OSD/V1.1/data/AudioVisualBasicSceneGeometry.json
3 Semantics
Label | Size | Description |
Header | N1 Bytes | AV Basic Scene Geometry Header |
· Standard-AVBasicSceneGeometry | 9 Bytes | The characters “OSD-AVS-V” |
· Version | N2 Bytes | Major version – 1 or 2 characters |
· Dot-separator | 1 Byte | The character “.” |
· Subversion | N3 Bytes | Minor version – 1 or 2 characters. |
MInstanceID | N4 Bytes | Identifier of M-Instance. |
AVBasicSceneGeometryID | N5 Bytes | Identifier of the AV Object. |
ObjectCount | N6 Bytes | Number of Objects in Scene. |
SceneCount | N7 Bytes | Number of Scenein Scene. |
AVBasicSceneGeometrySpaceTime | N8 Bytes | Space and Time of AV Basic Scene Geometry. |
AVSceneAudioObjects[] | N9 Bytes | Set of Audio Objects. |
– AudioObjectSpaceTime | N10 Bytes | Space and Time of Audio Object. |
– AudioObjectQualifiers | N12 Bytes | Qualifiers of Audio Object. |
AVSceneVisualObjects[] | N12 Bytes | Set of Visual Objects |
– VisualObjectSpaceTime | N13 Bytes | Space and Time of Visual Object. |
– VisualObjectQualifiers | N15 Bytes | Qualifiers of Visual Object. |
AVSceneAVObjects[] | N16 Bytes | Set of AV Objects |
– AVObjectSpaceTime | N17 Bytes | ID of Attribute of AV Scene Object |
– AVObjectQualifiers | N19 Bytes | Length of Attribute Format of AV Object |
AVSceneAudioScenes[] | N9 Bytes | Set of Audio Objects. |
– AudioSceneSpaceTime | N10 Bytes | Space and Time of Audio Object. |
– AudioSceneQualifiers | N12 Bytes | Qualifiers of Audio Object. |
AVSceneVisualScenes[] | N12 Bytes | Set of Visual Objects |
– VisualSceneSpaceTime | N13 Bytes | Space and Time of Visual Object. |
– VisualSceneQualifiers | N15 Bytes | Qualifiers of Visual Object. |
AVSceneAVScene[] | N16 Bytes | Set of AV Objects |
– AVSceneSpaceTime | N17 Bytes | ID of Attribute of AV Scene Object |
– AVSceneQualifiers | N19 Bytes | Length of Attribute Format of AV Object |
DescrMetadata | N20 Bytes | Descriptive Metadata |