media/upload

Moves one video chunk into the session’s video store; answers the
uploadId receipt on every chunk.

Parameters

Type: MediaUploadParams

media/upload params: one chunk of a client-minted upload. All members required.

Field	Type	Stability	Presence	Description
chunkBase64	string		required	This chunk’s bytes; each call’s frame stays in the budget.
chunkCount	integer		required	The upload’s chunk total; positive.
chunkIndex	integer		required	This chunk’s 0-based position.
commandId	string		required	One per call; replay answers the recorded receipt.
mediaType	string		required	video/mp4 or video/quicktime, matching VideoInput.
sessionId	string		required	The session owning the video store.
totalBytes	integer		required	The assembled byte count; must equal the bytes the chunks deliver.
uploadId	string		required	The client-minted upload id (UUIDv7), sent on every chunk.

Source

schema/msp/experimental/msp.schema.json#/methods/media~2Fupload

{
  "description": "Moves one video chunk into the session's video store; answers the \\\n `uploadId` receipt on every chunk.",
  "params": {
    "$ref": "#/$defs/MediaUploadParams"
  },
  "result": {
    "$ref": "#/$defs/MediaUploadResult"
  }
}