Cast: Using a min filter to compute time offset

media/cast/test/end2end_unittest.cc

Index: media/cast/test/end2end_unittest.cc
diff --git a/media/cast/test/end2end_unittest.cc b/media/cast/test/end2end_unittest.cc
index 71b2c3e307b4909c847e19b2424b7b22b8c1c9d6..8c23e3e28605e4ac73d430080acea059e521610d 100644
--- a/media/cast/test/end2end_unittest.cc
+++ b/media/cast/test/end2end_unittest.cc
@@ -894,21 +894,24 @@ TEST_F(End2EndTest, GlitchWith3Buffers) {
   Create();
 
   int video_start = kVideoStart;
-  base::TimeTicks send_time = testing_clock_sender_->NowTicks();
-  SendVideoFrame(video_start, send_time);
-  RunTasks(kFrameTimerMs);
-
-  test_receiver_video_callback_->AddExpectedResult(video_start,
-                                                   video_sender_config_.width,
-                                                   video_sender_config_.height,
-                                                   send_time);
-  frame_receiver_->GetRawVideoFrame(
-      base::Bind(&TestReceiverVideoCallback::CheckVideoFrame,
-                 test_receiver_video_callback_));
-
-  RunTasks(750);  // Make sure that we send a RTCP packet.
-
-  video_start++;
+  base::TimeTicks send_time;
+  // Frames will rendered on completion until the render time stabilizes, i.e.
+  // we got enough data.
+  const int frames_before_glitch = 20;
+  for (int i = 0; i < frames_before_glitch; ++i) {
+    send_time = testing_clock_sender_->NowTicks();
+    SendVideoFrame(video_start, send_time);
+    test_receiver_video_callback_->AddExpectedResult(
+        video_start,
+        video_sender_config_.width,
+        video_sender_config_.height,
+        send_time);
+    frame_receiver_->GetRawVideoFrame(
+        base::Bind(&TestReceiverVideoCallback::CheckVideoFrame,
+                   test_receiver_video_callback_));
+    RunTasks(kFrameTimerMs);
+    video_start++;
+  }
 
   // Introduce a glitch lasting for 10 frames.
   sender_to_receiver_.SetSendPackets(false);
@@ -939,7 +942,8 @@ TEST_F(End2EndTest, GlitchWith3Buffers) {
                  test_receiver_video_callback_));
 
   RunTasks(2 * kFrameTimerMs + 1);  // Empty the receiver pipeline.
-  EXPECT_EQ(2, test_receiver_video_callback_->number_times_called());
+  EXPECT_EQ(frames_before_glitch + 1,
+            test_receiver_video_callback_->number_times_called());
 }
 
 TEST_F(End2EndTest, DropEveryOtherFrame3Buffers) {
@@ -986,7 +990,7 @@ TEST_F(End2EndTest, ResetReferenceFrameId) {
   sender_to_receiver_.AlwaysResetReferenceFrameId();
 
   int frames_counter = 0;
-  for (; frames_counter < 20; ++frames_counter) {
+  for (; frames_counter < 10; ++frames_counter) {
     const base::TimeTicks send_time = testing_clock_sender_->NowTicks();
     SendVideoFrame(frames_counter, send_time);