Type Alias CMSampleBufferInvalidateCallback 

pub type CMSampleBufferInvalidateCallback = Option<unsafe extern "C" fn(sbuf: CMSampleBufferRef, invalidateRefCon: u64)>;

Apple SDK type alias CMSampleBufferInvalidateCallback.

Aliased Type

pub enum CMSampleBufferInvalidateCallback {
    None,
    Some(unsafe extern "C" fn(*mut opaqueCMSampleBuffer, u64)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut opaqueCMSampleBuffer, u64))

Some value of type T.