X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=mixer.h;h=32a1ea476f21547137e680fb13675c80b6b42835;hb=6ffaabac0a523617b686f40c154a25cb548cc561;hp=5a3e203dc9dc0dd5f02c6eb2c100364313521291;hpb=4d4386716f258413132b8696315cb4efbf2c8b45;p=nageru

diff --git a/mixer.h b/mixer.h
index 5a3e203..32a1ea4 100644
--- a/mixer.h
+++ b/mixer.h
@@ -421,6 +421,8 @@ public:
 		theme->set_theme_menu_callback(callback);
 	}
 
+	void wait_for_next_frame();
+
 private:
 	struct CaptureCard;
 
@@ -482,7 +484,10 @@ private:
 	movit::YCbCrInput *display_input;
 
 	int64_t pts_int = 0;  // In TIMEBASE units.
-	unsigned frame_num = 0;
+
+	mutable std::mutex frame_num_mutex;
+	std::condition_variable frame_num_updated;
+	unsigned frame_num = 0;  // Under <frame_num_mutex>.
 
 	// Accumulated errors in number of 1/TIMEBASE audio samples. If OUTPUT_FREQUENCY divided by
 	// frame rate is integer, will always stay zero.
@@ -527,8 +532,7 @@ private:
 			std::chrono::steady_clock::time_point received_timestamp = std::chrono::steady_clock::time_point::min();
 		};
 		std::deque<NewFrame> new_frames;
-		bool should_quit = false;
-		std::condition_variable new_frames_changed;  // Set whenever new_frames (or should_quit) is changed.
+		std::condition_variable new_frames_changed;  // Set whenever new_frames is changed.
 
 		QueueLengthPolicy queue_length_policy;  // Refers to the "new_frames" queue.