Extract bitrate allocation of spatial/temporal layers out of codec impl.

webrtc/video/video_send_stream_tests.cc

Index: webrtc/video/video_send_stream_tests.cc
diff --git a/webrtc/video/video_send_stream_tests.cc b/webrtc/video/video_send_stream_tests.cc
index 2b5c6e690976d8a4472ec0c00819ba6f9444543d..267487a1e50336d0474552f26031123c90446455 100644
--- a/webrtc/video/video_send_stream_tests.cc
+++ b/webrtc/video/video_send_stream_tests.cc
@@ -1478,7 +1478,8 @@ TEST_F(VideoSendStreamTest,
           return;
         }
       }
-      init_encode_called_.Wait(VideoSendStreamTest::kDefaultTimeoutMs);
+      EXPECT_TRUE(
+          init_encode_called_.Wait(VideoSendStreamTest::kDefaultTimeoutMs));
       {
         rtc::CritScope lock(&crit_);
         EXPECT_EQ(width, last_initialized_frame_width_);
@@ -1494,9 +1495,7 @@ TEST_F(VideoSendStreamTest,
       last_initialized_frame_width_ = config->width;
       last_initialized_frame_height_ = config->height;
       ++number_of_initializations_;
-      // First time InitEncode is called, the frame size is unknown.
-      if (number_of_initializations_ > 1)
-        init_encode_called_.Set();
+      init_encode_called_.Set();
       return FakeEncoder::InitEncode(config, number_of_cores, max_payload_size);
     }
 
@@ -1626,11 +1625,12 @@ TEST_F(VideoSendStreamTest, VideoSendStreamStopSetEncoderRateToZero) {
       return FakeEncoder::InitEncode(config, number_of_cores, max_payload_size);
     }
 
-    int32_t SetRates(uint32_t new_target_bitrate, uint32_t framerate) override {
+    int32_t SetRateAllocation(const BitrateAllocation& bitrate,
+                              uint32_t framerate) override {
       rtc::CritScope lock(&crit_);
-      bitrate_kbps_ = new_target_bitrate;
+      bitrate_kbps_ = bitrate.get_sum_kbps();
       bitrate_changed_.Set();
-      return FakeEncoder::SetRates(new_target_bitrate, framerate);
+      return FakeEncoder::SetRateAllocation(bitrate, framerate);
     }
 
     int GetBitrateKbps() const {
@@ -1664,13 +1664,17 @@ TEST_F(VideoSendStreamTest, VideoSendStreamStopSetEncoderRateToZero) {
   CreateVideoStreams();
 
   EXPECT_TRUE(encoder.WaitForEncoderInit());
-  EXPECT_GT(encoder.GetBitrateKbps(), 0);
+  EXPECT_TRUE(encoder.WaitBitrateChanged());
+  EXPECT_EQ(0, encoder.GetBitrateKbps());
+
   video_send_stream_->Start();
   EXPECT_TRUE(encoder.WaitBitrateChanged());
   EXPECT_GT(encoder.GetBitrateKbps(), 0);
+
   video_send_stream_->Stop();
   EXPECT_TRUE(encoder.WaitBitrateChanged());
   EXPECT_EQ(0, encoder.GetBitrateKbps());
+
   video_send_stream_->Start();
   EXPECT_TRUE(encoder.WaitBitrateChanged());
   EXPECT_GT(encoder.GetBitrateKbps(), 0);
@@ -2085,10 +2089,12 @@ void VideoCodecConfigObserver<VideoCodecVP8>::VerifyCodecSpecifics(
   }
 
   // Set expected temporal layers as they should have been set when
-  // reconfiguring the encoder and not match the set config.
+  // reconfiguring the encoder and not match the set config. Also copy the
+  // TemporalLayersFactory pointer that has been injected by ViEEncoder.
   VideoCodecVP8 encoder_settings = encoder_settings_;
   encoder_settings.numberOfTemporalLayers =
       kVideoCodecConfigObserverNumberOfTemporalLayers;
+  encoder_settings.tl_factory = config.VP8().tl_factory;
   EXPECT_EQ(
       0, memcmp(&config.VP8(), &encoder_settings, sizeof(encoder_settings_)));
 }
@@ -2310,16 +2316,17 @@ TEST_F(VideoSendStreamTest, ReconfigureBitratesSetsEncoderBitratesCorrectly) {
                                      maxPayloadSize);
     }
 
-    int32_t SetRates(uint32_t newBitRate, uint32_t frameRate) override {
+    int32_t SetRateAllocation(const BitrateAllocation& bitrate,
+                              uint32_t frameRate) override {
       {
         rtc::CritScope lock(&crit_);
-        if (target_bitrate_ == newBitRate) {
-          return FakeEncoder::SetRates(newBitRate, frameRate);
+        if (target_bitrate_ == bitrate.get_sum_kbps()) {
+          return FakeEncoder::SetRateAllocation(bitrate, frameRate);
         }
-        target_bitrate_ = newBitRate;
+        target_bitrate_ = bitrate.get_sum_kbps();
       }
       bitrate_changed_event_.Set();
-      return FakeEncoder::SetRates(newBitRate, frameRate);
+      return FakeEncoder::SetRateAllocation(bitrate, frameRate);
     }
 
     void WaitForSetRates(uint32_t expected_bitrate) {