Function ffmpeg_dev::sys::ff_formats_changeref

pub unsafe extern "C" fn ff_formats_changeref(
    oldref: *mut *mut AVFilterFormats, 
    newref: *mut *mut AVFilterFormats
)

Before After

---

|formats |<---------. |formats |<---------. | ____ | | | ____ | | | |refs| | | | | | |refs| | | | | NULL | |* *--------->|oldref| | | --------->|newref| ^ | | * | | |_______| | | * | | || | | || | | |_| | | | | || || |*oldref| |_______|