fn fetch_frame(&mut self, frame_id: usize) {
        unimplemented!();
        let cmd = launch("ffmpeg", &["-ss", &self.get_timestamp(frame_id), "-i", &self.source]);
        let img = bytes_to_img(Vec::new());
    }
/// Fetch a frame by its frame number.
Fetch a frame by its frame number.
Fetch a frame by its frame number .
fn fetch_frame(&mut self, frame_id: usize) {
        unimplemented!();
        let cmd = launch("ffmpeg", &["-ss", &self.get_timestamp(frame_id), "-i", &self.source]);
        let img = bytes_to_img(Vec::new());
    }
fn fetch_frame ( & mut self , frame_id : usize ) { unimplemented ! ( ) ; let cmd = launch ( " " , & [ " " , & self . get_timestamp ( frame_id ) , " " , & self . source ] ) ; let img = bytes_to_img ( Vec :: new ( ) ) ; }
Fetch a frame by its frame number.
Fetch a frame by its frame number .
&mut self
frame_id
usize
&mut self
frame_id
usize