pub unsafe extern "C" fn obs_source_add_audio_pause_callback(
source: *mut obs_source_t,
callback: signal_callback_t,
param: *mut c_void,
)pub unsafe extern "C" fn obs_source_add_audio_pause_callback(
source: *mut obs_source_t,
callback: signal_callback_t,
param: *mut c_void,
)