Revert of Change ViEEncoder to not reconfigure the encoder until the video resolution is known.

webrtc/video/vie_encoder_unittest.cc

Index: webrtc/video/vie_encoder_unittest.cc
diff --git a/webrtc/video/vie_encoder_unittest.cc b/webrtc/video/vie_encoder_unittest.cc
index 78eb62f99fc44f535871378b5614657f1946704b..5382fbf8ebb3a3685b3cbb19d181c82838b209ce 100644
--- a/webrtc/video/vie_encoder_unittest.cc
+++ b/webrtc/video/vie_encoder_unittest.cc
@@ -286,14 +286,13 @@
 TEST_F(ViEEncoderTest, ConfigureEncoderTriggersOnEncoderConfigurationChanged) {
   const int kTargetBitrateBps = 100000;
   vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
-  EXPECT_EQ(0, sink_.number_of_reconfigurations());
 
   // Capture a frame and wait for it to synchronize with the encoder thread.
   video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr));
   sink_.WaitForEncodedFrame(1);
-  // The encoder will have been configured once when the first frame is
-  // received.
-  EXPECT_EQ(1, sink_.number_of_reconfigurations());
+  // The encoder will have been configured twice. First time before the first
+  // frame has been received. Then a second time when the resolution is known.
+  EXPECT_EQ(2, sink_.number_of_reconfigurations());
 
   VideoEncoderConfig video_encoder_config;
   test::FillEncoderConfiguration(1, &video_encoder_config);
@@ -303,21 +302,22 @@
   // Capture a frame and wait for it to synchronize with the encoder thread.
   video_source_.IncomingCapturedFrame(CreateFrame(2, nullptr));
   sink_.WaitForEncodedFrame(2);
+  EXPECT_EQ(3, sink_.number_of_reconfigurations());
+  EXPECT_EQ(9999, sink_.last_min_transmit_bitrate());
+
+  vie_encoder_->Stop();
+}
+
+TEST_F(ViEEncoderTest, FrameResolutionChangeReconfigureEncoder) {
+  const int kTargetBitrateBps = 100000;
+  vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
+
+  // Capture a frame and wait for it to synchronize with the encoder thread.
+  video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr));
+  sink_.WaitForEncodedFrame(1);
+  // The encoder will have been configured twice. First time before the first
+  // frame has been received. Then a second time when the resolution is known.
   EXPECT_EQ(2, sink_.number_of_reconfigurations());
-  EXPECT_EQ(9999, sink_.last_min_transmit_bitrate());
-
-  vie_encoder_->Stop();
-}
-
-TEST_F(ViEEncoderTest, FrameResolutionChangeReconfigureEncoder) {
-  const int kTargetBitrateBps = 100000;
-  vie_encoder_->OnBitrateUpdated(kTargetBitrateBps, 0, 0);
-
-  // Capture a frame and wait for it to synchronize with the encoder thread.
-  video_source_.IncomingCapturedFrame(CreateFrame(1, nullptr));
-  sink_.WaitForEncodedFrame(1);
-  // The encoder will have been configured once.
-  EXPECT_EQ(1, sink_.number_of_reconfigurations());
   EXPECT_EQ(codec_width_, fake_encoder_.codec_config().width);
   EXPECT_EQ(codec_height_, fake_encoder_.codec_config().height);
 
@@ -329,7 +329,7 @@
   sink_.WaitForEncodedFrame(2);
   EXPECT_EQ(codec_width_, fake_encoder_.codec_config().width);
   EXPECT_EQ(codec_height_, fake_encoder_.codec_config().height);
-  EXPECT_EQ(2, sink_.number_of_reconfigurations());
+  EXPECT_EQ(3, sink_.number_of_reconfigurations());
 
   vie_encoder_->Stop();
 }