pub unsafe extern "C" fn switch_rtp_create(
new_rtp_session: *mut *mut switch_rtp_t,
payload: switch_payload_t,
samples_per_interval: u32,
ms_per_packet: u32,
flags: *mut switch_rtp_flag_t,
timer_name: *mut c_char,
err: *mut *const c_char,
pool: *mut switch_memory_pool_t,
) -> switch_status_t