- signal_video (image, false, sub, t);
-}
-
-bool
-VideoDecoder::have_last_video () const
-{
- return _last_image;
-}
-
-/** Called by subclasses to repeat the last video frame that we
- * passed to emit_video(). If emit_video hasn't yet been called,
- * we will generate a black frame.
- */
-void
-VideoDecoder::repeat_last_video (double t)
-{
- if (!_last_image) {
- _last_image.reset (new SimpleImage (pixel_format(), native_size(), true));
- _last_image->make_black ();
- }
-
- signal_video (_last_image, true, _last_subtitle, t);
-}
-
-/** Emit our signal to say that some video data is ready.
- * @param image Video frame.
- * @param same true if `image' is the same as the last one we emitted.
- * @param sub Subtitle for this frame, or 0.
- */
-void
-VideoDecoder::signal_video (shared_ptr<Image> image, bool same, shared_ptr<Subtitle> sub, double t)
-{