#1232: run the scrolling detection even when handling "true video", s…

…ince it may kick in on scroll areas and scrolling detection is cheap

git-svn-id: https://xpra.org/svn/Xpra/trunk@13797 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/server/window/window_video_source.py

@@ -1466,8 +1466,8 @@ def do_video_encode(self, encoding, image, options):
             videolog.warn("image pixel format changed from %s to %s", self.pixel_format, src_format)
             self.pixel_format = src_format
 
-        #check for scrolling if we're not dealing with a "real" video area:
-        if self.supports_scrolling and not self.subregion_is_video() and not self.b_frame_flush_timer and not STRICT_MODE:
+        #check for scrolling, unless there's already a b-frame pending, or in strict mode:
+        if self.supports_scrolling and not self.b_frame_flush_timer and not STRICT_MODE:
             try:
                 start = time.time()
                 lsd = self.scroll_data