MPEG_scene_dynamic
Contributors
- ISO/IEC SC29 WG3 (MPEG Systems) - Scene Description Breakout Group
- Contacts
- Thomas Stockhammer (MPEG-I Scene Description BoG Chair, tsto@qti.qualcomm.com)
Status
Based on ISO/IEC FDIS 23090-14
Dependencies
Written against the glTF 2.0 spec.
glTF Schema Updates
MPEG_scene_dynamic extension Properties
| Type | Description | Required | |
|---|---|---|---|
| media | integer | The index of the media in MPEG_media extension. | ✓ Yes |
| track | integer | The index of a track of media in MPEG_media extension. | No |
| extensions | object | JSON object with extension-specific objects. | No |
| extras | any | Application-specific data. | No |
Additional properties are allowed.
- JSON schema: MPEG_scene_dynamic.schema.json
MPEG_scene_dynamic extension.media
The index of the media in MPEG_media that provides dynamic scene update information.
- Type:
integer - Required: ✓ Yes
- Minimum: ` >= 0`
MPEG_scene_dynamic extension.track
The index of a track of media in MPEG_media that provides dynamic scene update information. The track samples as defined in ISO/IEC 23090-14 contain scene description updates and provide timing to perform these updates. If track is not provided, it shall be assumed that all tracks provided by the referenced media object are used to provide the update samples.
- Type:
integer - Required: No
- Minimum: ` >= 0`
MPEG_scene_dynamic extension.extensions
JSON object with extension-specific objects.
- Type:
object - Required: No
- Type of each property: Extension
MPEG_scene_dynamic extension.extras
Application-specific data.
- Type:
any - Required: No
Known Implementations
Resources
- ISO/IEC FDIS 23090-14, Information technology — Coded representation of immersive media — Part 14: Scene Description
- ISO/IEC WD 23090-24, Information technology — Coded representation of immersive media — Part 24: Conformance and Reference Software for Scene Description for MPEG Media
License
Copyright ISO/IEC 2022
The use of the “MPEG scene description extensions” is subject to the license as accessible here: https://standards.iso.org/ and is subject to the IPR policy as accessible here: https://www.iso.org/iso-standards-and-patents.html.