def METHOD_NAME(self, streamid):
    res = self.session.http.get(self.url)
    m = self.json_data_re.search(res.text)
    if m and m.group(1):
        streams = parse_json(m.group(1), schema=self._stream_data_schema)
    else:
        raise PluginError("Failed to get json_data")
    for stream in streams:
        if "id" in stream and streamid == stream["id"] and "stream" in stream:
            return stream["stream"]