pub unsafe extern "C" fn switch_packetizer_read(
packetizer: *mut switch_packetizer_t,
frame: *mut switch_frame_t,
) -> switch_status_tpub unsafe extern "C" fn switch_packetizer_read(
packetizer: *mut switch_packetizer_t,
frame: *mut switch_frame_t,
) -> switch_status_t