{
"id": "place.stream.media.defs",
"defs": {
"muxlTrack": {
"type": "object",
"required": [
"blob",
"trackId",
"mediaType"
],
"properties": {
"blob": {
"type": "string",
"description": "BLAKE-3 content hash (BDASL CID) of the source video segment."
},
"size": {
"type": "integer",
"description": "Size in bytes of the source video segment."
},
"trackId": {
"type": "string",
"description": "ID of the track within the MUXL container. 1-indexed for MP4 reasons."
},
"language": {
"type": "string",
"description": "Language of the track, if applicable."
},
"mediaType": {
"type": "string",
"description": "Type of the track: video, audio, or text."
},
"signingKey": {
"type": "string",
"format": "did",
"description": "did:key of the ephemeral key that C2PA-signed this track's segments. The private key is discarded once the track is produced, so it can only ever have signed this content."
}
},
"description": "A track backed by a MUXL container"
},
"sourceClip": {
"type": "object",
"required": [
"video",
"start",
"end"
],
"properties": {
"end": {
"type": "integer",
"description": "End time of the clip in milliseconds."
},
"start": {
"type": "integer",
"description": "Start time of the clip in milliseconds."
},
"video": {
"type": "string",
"format": "at-uri",
"description": "AT URI of the video we're clipping."
}
},
"description": "An object representing that this video's source is a clip from another video."
},
"sourceTracks": {
"type": "object",
"required": [
"tracks"
],
"properties": {
"tracks": {
"type": "array",
"items": {
"ref": "com.atproto.repo.strongRef",
"type": "ref"
},
"description": "The canonical list of tracks specifying the source of a video."
}
},
"description": "A collection of tracks representing the canonical source of a video."
}
},
"$type": "com.atproto.lexicon.schema",
"lexicon": 1
}