* recording v2 * input oneof * input.input_url -> input.url * update channels * simplify reservation * recording request * recording response * recording rpc * add reserve func * close subscriber * file option * remove scaling
* recording v2 * input oneof * input.input_url -> input.url * update channels * simplify reservation * recording request * recording response * recording rpc * add reserve func * close subscriber * file option * remove scaling