Stream object bytes from R2 as a Node.js Readable. Prefer this for ffmpeg stdin piping; avoid converting to a Web ReadableStream first.
R2 object key.
Optional
Optional abort signal and byte range for partial reads.
Node readable body, full object content length, and MIME type.
Stream object bytes from R2 as a Node.js Readable. Prefer this for ffmpeg stdin piping; avoid converting to a Web ReadableStream first.