virtual int sample_aspect_ratio_denominator () const = 0;
void process_begin ();
- bool pass ();
+ virtual bool pass () = 0;
void process_end ();
void go ();
protected:
- /** perform a single pass at our content */
- virtual bool do_pass () = 0;
virtual PixelFormat pixel_format () const = 0;
void process_video (AVFrame *);