pub unsafe extern "C" fn switch_vad_process(
vad: *mut switch_vad_t,
data: *mut i16,
samples: c_uint,
) -> switch_vad_state_tpub unsafe extern "C" fn switch_vad_process(
vad: *mut switch_vad_t,
data: *mut i16,
samples: c_uint,
) -> switch_vad_state_t