curframe_x = x;
prevframe_index = (y + motion_y) * stride + x + motion_x;
prevframe_x = x + motion_x;
+
+ if (prev_palette_plane == palette_plane && FFABS(curframe_index - prevframe_index) < pixel_count) {
+ avpriv_request_sample(s->avctx, "Overlapping copy\n");
+ return ;
+ }
+
while (pixel_count &&
curframe_index < s->frame_size &&
prevframe_index < s->frame_size) {