def METHOD_NAME(tensor, index: int) -> str:
    chunk_key = _get_chunk_key(tensor, index)
    storage = get_base_storage(tensor.storage)
    stream_key = _get_stream_key(storage, chunk_key)
    if stream_key not in _STREAMS:
        _STREAMS[stream_key] = _VideoStream(storage, chunk_key)
    _start_server()
    index = tensor.chunk_engine.chunk_id_encoder.translate_index_relative_to_chunks(
        index
    )
    return f"http://localhost:{_PORT}/video/{stream_key}/{index}"