Fix an issue where we could discard a CEF frame in a situation where no new one would...

[nageru] / mixer.h

diff --git a/mixer.h b/mixer.h
index effc2a3d0f4217c6435509e71271694d592ae7de..289ce45c9b5542da424942b4205ec825605d5848 100644 (file)
--- a/mixer.h
+++ b/mixer.h
@@ -487,6 +487,15 @@ private:
                CardType type;
                std::unique_ptr<DeckLinkOutput> output;
 
+               // CEF only delivers frames when it actually has a change.
+               // If we trim the queue for latency reasons, we could thus
+               // end up in a situation trimming a frame that was meant to
+               // be displayed for a long time, which is really suboptimal.
+               // Thus, if we drop the last frame we have, may_have_dropped_last_frame
+               // is set to true, and the next starvation event will trigger
+               // us requestin a CEF repaint.
+               bool is_cef_capture, may_have_dropped_last_frame = false;
+
                // If this card is used for output (ie., output_card_index points to it),
                // it cannot simultaneously be uesd for capture, so <capture> gets replaced
                // by a FakeCapture. However, since reconstructing the real capture object