Add framerate to VideoSinkWants and ability to signal on overuse

webrtc/media/base/videobroadcaster_unittest.cc

Index: webrtc/media/base/videobroadcaster_unittest.cc
diff --git a/webrtc/media/base/videobroadcaster_unittest.cc b/webrtc/media/base/videobroadcaster_unittest.cc
index 5274868204589856369a9a1a46a9b41c68c37b7c..ad9ccb7dbcc86bc3b60e0a47d95fce535c2c1c1e 100644
--- a/webrtc/media/base/videobroadcaster_unittest.cc
+++ b/webrtc/media/base/videobroadcaster_unittest.cc
@@ -87,23 +87,24 @@ TEST(VideoBroadcasterTest, AppliesRotationIfAnySinkWantsRotationApplied) {
 
 TEST(VideoBroadcasterTest, AppliesMinOfSinkWantsMaxPixelCount) {
   VideoBroadcaster broadcaster;
-  EXPECT_TRUE(!broadcaster.wants().max_pixel_count);
+  EXPECT_EQ(std::numeric_limits<int>::max(),
+            broadcaster.wants().max_pixel_count);
 
   FakeVideoRenderer sink1;
   VideoSinkWants wants1;
-  wants1.max_pixel_count = rtc::Optional<int>(1280 * 720);
+  wants1.max_pixel_count = 1280 * 720;
 
   broadcaster.AddOrUpdateSink(&sink1, wants1);
-  EXPECT_EQ(1280 * 720, *broadcaster.wants().max_pixel_count);
+  EXPECT_EQ(1280 * 720, broadcaster.wants().max_pixel_count);
 
   FakeVideoRenderer sink2;
   VideoSinkWants wants2;
-  wants2.max_pixel_count = rtc::Optional<int>(640 * 360);
+  wants2.max_pixel_count = 640 * 360;
   broadcaster.AddOrUpdateSink(&sink2, wants2);
-  EXPECT_EQ(640 * 360, *broadcaster.wants().max_pixel_count);
+  EXPECT_EQ(640 * 360, broadcaster.wants().max_pixel_count);
 
   broadcaster.RemoveSink(&sink2);
-  EXPECT_EQ(1280 * 720, *broadcaster.wants().max_pixel_count);
+  EXPECT_EQ(1280 * 720, broadcaster.wants().max_pixel_count);
 }
 
 TEST(VideoBroadcasterTest, AppliesMinOfSinkWantsMaxAndTargetPixelCount) {
@@ -127,6 +128,28 @@ TEST(VideoBroadcasterTest, AppliesMinOfSinkWantsMaxAndTargetPixelCount) {
   EXPECT_EQ(1280 * 720, *broadcaster.wants().target_pixel_count);
 }
 
+TEST(VideoBroadcasterTest, AppliesMinOfSinkWantsMaxFramerate) {
+  VideoBroadcaster broadcaster;
+  EXPECT_EQ(std::numeric_limits<int>::max(),
+            broadcaster.wants().max_framerate_fps);
+
+  FakeVideoRenderer sink1;
+  VideoSinkWants wants1;
+  wants1.max_framerate_fps = 30;
+
+  broadcaster.AddOrUpdateSink(&sink1, wants1);
+  EXPECT_EQ(30, broadcaster.wants().max_framerate_fps);
+
+  FakeVideoRenderer sink2;
+  VideoSinkWants wants2;
+  wants2.max_framerate_fps = 15;
+  broadcaster.AddOrUpdateSink(&sink2, wants2);
+  EXPECT_EQ(15, broadcaster.wants().max_framerate_fps);
+
+  broadcaster.RemoveSink(&sink2);
+  EXPECT_EQ(30, broadcaster.wants().max_framerate_fps);
+}
+
 TEST(VideoBroadcasterTest, SinkWantsBlackFrames) {
   VideoBroadcaster broadcaster;
   EXPECT_TRUE(!broadcaster.wants().black_frames);