VTSessionSetProperty

objc2_video_toolbox

Function VTSessionSetProperty 

Source 
pub unsafe extern "C-unwind" fn VTSessionSetProperty(
    session: &VTSession,
    property_key: &CFString,
    property_value: Option<&CFType>,
) -> i32
Available on crate feature VTSession only.
Expand description

Sets a property on a video toolbox session.

Setting a property value to NULL restores the default value.