Copy VP8EncoderSimulcastProxy to EncoderSimulcastProxy

Use the new class internally where appropriate too.

The objective is to rename it, but due to some external dependency,
it is better to copy, update dependencies and remove.

Bug: webrtc:10069
Change-Id: I8477ce5a2982933db27513cc9509f51558dafaf3
Reviewed-on: https://webrtc-review.googlesource.com/c/113265
Commit-Queue: Florent Castelli <orphis@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25920}
diff --git a/api/video_codecs/BUILD.gn b/api/video_codecs/BUILD.gn
index 8f35909..534a34e 100644
--- a/api/video_codecs/BUILD.gn
+++ b/api/video_codecs/BUILD.gn
@@ -77,6 +77,7 @@
 
   deps = [
     ":video_codecs_api",
+    "../../media:rtc_encoder_simulcast_proxy",
     "../../media:rtc_internal_video_codecs",
     "../../media:rtc_media_base",
     "../../media:rtc_vp8_encoder_simulcast_proxy",
diff --git a/api/video_codecs/builtin_video_encoder_factory.cc b/api/video_codecs/builtin_video_encoder_factory.cc
index 9e382fa..1778c21 100644
--- a/api/video_codecs/builtin_video_encoder_factory.cc
+++ b/api/video_codecs/builtin_video_encoder_factory.cc
@@ -18,8 +18,8 @@
 #include "api/video_codecs/video_encoder.h"
 #include "media/base/codec.h"
 #include "media/base/mediaconstants.h"
+#include "media/engine/encoder_simulcast_proxy.h"
 #include "media/engine/internalencoderfactory.h"
-#include "media/engine/vp8_encoder_simulcast_proxy.h"
 #include "rtc_base/checks.h"
 
 namespace webrtc {
@@ -63,7 +63,7 @@
                           format)) {
       internal_encoder =
           absl::EqualsIgnoreCase(format.name, cricket::kVp8CodecName)
-              ? absl::make_unique<VP8EncoderSimulcastProxy>(
+              ? absl::make_unique<EncoderSimulcastProxy>(
                     internal_encoder_factory_.get(), format)
               : internal_encoder_factory_->CreateVideoEncoder(format);
     }
diff --git a/media/BUILD.gn b/media/BUILD.gn
index 4fa2d71..f54bb73 100644
--- a/media/BUILD.gn
+++ b/media/BUILD.gn
@@ -214,12 +214,35 @@
   }
 }
 
+rtc_static_library("rtc_encoder_simulcast_proxy") {
+  visibility = [ "*" ]
+  defines = []
+  libs = []
+  sources = [
+    "engine/encoder_simulcast_proxy.cc",
+    "engine/encoder_simulcast_proxy.h",
+  ]
+  deps = [
+    ":rtc_simulcast_encoder_adapter",
+    "../:webrtc_common",
+    "../api/video:video_bitrate_allocation",
+    "../api/video:video_frame",
+    "../api/video_codecs:video_codecs_api",
+    "../modules/video_coding:video_codec_interface",
+  ]
+  if (!build_with_chromium && is_clang) {
+    # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
+    suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
+  }
+}
+
 rtc_static_library("rtc_internal_video_codecs") {
   visibility = [ "*" ]
   allow_poison = [ "software_video_codecs" ]
   defines = []
   libs = []
   deps = [
+    ":rtc_encoder_simulcast_proxy",
     ":rtc_h264_profile_id",
     ":rtc_simulcast_encoder_adapter",
     ":rtc_vp8_encoder_simulcast_proxy",
@@ -244,7 +267,8 @@
     "engine/scopedvideoencoder.h",
 
     # TODO(bugs.webrtc.org/7925): stop exporting this header once downstream
-    # targets depend on :rtc_vp8_encoder_simulcast_proxy directly.
+    # targets depend on :rtc_encoder_simulcast_proxy directly.
+    "engine/encoder_simulcast_proxy.h",
     "engine/vp8_encoder_simulcast_proxy.h",
     "engine/webrtcvideodecoderfactory.h",
     "engine/webrtcvideoencoderfactory.h",
@@ -591,6 +615,7 @@
       "base/videocapturer_unittest.cc",
       "base/videocommon_unittest.cc",
       "engine/apm_helpers_unittest.cc",
+      "engine/encoder_simulcast_proxy_unittest.cc",
       "engine/internaldecoderfactory_unittest.cc",
       "engine/multiplexcodecfactory_unittest.cc",
       "engine/nullwebrtcvideoengine_unittest.cc",
@@ -643,6 +668,7 @@
     }
 
     deps += [
+      ":rtc_encoder_simulcast_proxy",
       ":rtc_internal_video_codecs",
       ":rtc_media",
       ":rtc_media_base",
diff --git a/media/engine/convert_legacy_video_factory.cc b/media/engine/convert_legacy_video_factory.cc
index cd60fa7..4c30dc2 100644
--- a/media/engine/convert_legacy_video_factory.cc
+++ b/media/engine/convert_legacy_video_factory.cc
@@ -26,12 +26,12 @@
 #include "api/video_codecs/video_encoder_software_fallback_wrapper.h"
 #include "media/base/codec.h"
 #include "media/base/mediaconstants.h"
+#include "media/engine/encoder_simulcast_proxy.h"
 #include "media/engine/internaldecoderfactory.h"
 #include "media/engine/internalencoderfactory.h"
 #include "media/engine/scopedvideodecoder.h"
 #include "media/engine/scopedvideoencoder.h"
 #include "media/engine/simulcast_encoder_adapter.h"
-#include "media/engine/vp8_encoder_simulcast_proxy.h"
 #include "media/engine/webrtcvideodecoderfactory.h"
 #include "media/engine/webrtcvideoencoderfactory.h"
 #include "rtc_base/checks.h"
@@ -137,7 +137,7 @@
                           format)) {
       internal_encoder =
           absl::EqualsIgnoreCase(format.name, kVp8CodecName)
-              ? absl::make_unique<webrtc::VP8EncoderSimulcastProxy>(
+              ? absl::make_unique<webrtc::EncoderSimulcastProxy>(
                     internal_encoder_factory_.get(), format)
               : internal_encoder_factory_->CreateVideoEncoder(format);
     }
diff --git a/media/engine/encoder_simulcast_proxy.cc b/media/engine/encoder_simulcast_proxy.cc
new file mode 100644
index 0000000..3eccb6f
--- /dev/null
+++ b/media/engine/encoder_simulcast_proxy.cc
@@ -0,0 +1,68 @@
+/*
+ *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "media/engine/encoder_simulcast_proxy.h"
+
+#include "media/engine/simulcast_encoder_adapter.h"
+#include "modules/video_coding/include/video_error_codes.h"
+
+namespace webrtc {
+EncoderSimulcastProxy::EncoderSimulcastProxy(VideoEncoderFactory* factory,
+                                             const SdpVideoFormat& format)
+    : factory_(factory), video_format_(format), callback_(nullptr) {
+  encoder_ = factory_->CreateVideoEncoder(format);
+}
+
+EncoderSimulcastProxy::EncoderSimulcastProxy(VideoEncoderFactory* factory)
+    : EncoderSimulcastProxy(factory, SdpVideoFormat("VP8")) {}
+
+EncoderSimulcastProxy::~EncoderSimulcastProxy() {}
+
+int EncoderSimulcastProxy::Release() {
+  return encoder_->Release();
+}
+
+int EncoderSimulcastProxy::InitEncode(const VideoCodec* inst,
+                                      int number_of_cores,
+                                      size_t max_payload_size) {
+  int ret = encoder_->InitEncode(inst, number_of_cores, max_payload_size);
+  if (ret == WEBRTC_VIDEO_CODEC_ERR_SIMULCAST_PARAMETERS_NOT_SUPPORTED) {
+    encoder_.reset(new SimulcastEncoderAdapter(factory_, video_format_));
+    if (callback_) {
+      encoder_->RegisterEncodeCompleteCallback(callback_);
+    }
+    ret = encoder_->InitEncode(inst, number_of_cores, max_payload_size);
+  }
+  return ret;
+}
+
+int EncoderSimulcastProxy::Encode(const VideoFrame& input_image,
+                                  const CodecSpecificInfo* codec_specific_info,
+                                  const std::vector<FrameType>* frame_types) {
+  return encoder_->Encode(input_image, codec_specific_info, frame_types);
+}
+
+int EncoderSimulcastProxy::RegisterEncodeCompleteCallback(
+    EncodedImageCallback* callback) {
+  callback_ = callback;
+  return encoder_->RegisterEncodeCompleteCallback(callback);
+}
+
+int EncoderSimulcastProxy::SetRateAllocation(
+    const VideoBitrateAllocation& bitrate,
+    uint32_t new_framerate) {
+  return encoder_->SetRateAllocation(bitrate, new_framerate);
+}
+
+VideoEncoder::EncoderInfo EncoderSimulcastProxy::GetEncoderInfo() const {
+  return encoder_->GetEncoderInfo();
+}
+
+}  // namespace webrtc
diff --git a/media/engine/encoder_simulcast_proxy.h b/media/engine/encoder_simulcast_proxy.h
new file mode 100644
index 0000000..f01c5c3
--- /dev/null
+++ b/media/engine/encoder_simulcast_proxy.h
@@ -0,0 +1,65 @@
+/*
+ *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ *
+ */
+
+#ifndef MEDIA_ENGINE_ENCODER_SIMULCAST_PROXY_H_
+#define MEDIA_ENGINE_ENCODER_SIMULCAST_PROXY_H_
+
+#include <stddef.h>
+#include <stdint.h>
+#include <memory>
+#include <vector>
+
+#include "api/video/video_bitrate_allocation.h"
+#include "api/video/video_frame.h"
+#include "api/video_codecs/sdp_video_format.h"
+#include "api/video_codecs/video_codec.h"
+#include "api/video_codecs/video_encoder.h"
+#include "api/video_codecs/video_encoder_factory.h"
+#include "common_types.h"  // NOLINT(build/include)
+#include "modules/video_coding/include/video_codec_interface.h"
+
+namespace webrtc {
+
+// This class provides fallback to SimulcastEncoderAdapter if default VP8Encoder
+// doesn't support simulcast for provided settings.
+class EncoderSimulcastProxy : public VideoEncoder {
+ public:
+  EncoderSimulcastProxy(VideoEncoderFactory* factory,
+                        const SdpVideoFormat& format);
+  // Deprecated. Remove once all clients use constructor with both factory and
+  // SdpVideoFormat;
+  explicit EncoderSimulcastProxy(VideoEncoderFactory* factory);
+
+  ~EncoderSimulcastProxy() override;
+
+  // Implements VideoEncoder.
+  int Release() override;
+  int InitEncode(const VideoCodec* inst,
+                 int number_of_cores,
+                 size_t max_payload_size) override;
+  int Encode(const VideoFrame& input_image,
+             const CodecSpecificInfo* codec_specific_info,
+             const std::vector<FrameType>* frame_types) override;
+  int RegisterEncodeCompleteCallback(EncodedImageCallback* callback) override;
+  int SetRateAllocation(const VideoBitrateAllocation& bitrate,
+                        uint32_t new_framerate) override;
+  EncoderInfo GetEncoderInfo() const override;
+
+ private:
+  VideoEncoderFactory* const factory_;
+  SdpVideoFormat video_format_;
+  std::unique_ptr<VideoEncoder> encoder_;
+  EncodedImageCallback* callback_;
+};
+
+}  // namespace webrtc
+
+#endif  // MEDIA_ENGINE_ENCODER_SIMULCAST_PROXY_H_
diff --git a/media/engine/encoder_simulcast_proxy_unittest.cc b/media/engine/encoder_simulcast_proxy_unittest.cc
new file mode 100644
index 0000000..d1a8876
--- /dev/null
+++ b/media/engine/encoder_simulcast_proxy_unittest.cc
@@ -0,0 +1,242 @@
+/*
+ *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ *
+ */
+
+#include "media/engine/encoder_simulcast_proxy.h"
+#include <string>
+
+#include "api/test/mock_video_encoder_factory.h"
+#include "api/video_codecs/vp8_temporal_layers.h"
+#include "media/engine/webrtcvideoencoderfactory.h"
+#include "modules/video_coding/include/video_codec_interface.h"
+#include "test/gmock.h"
+#include "test/gtest.h"
+#include "test/video_codec_settings.h"
+
+namespace webrtc {
+namespace testing {
+
+using ::testing::_;
+using ::testing::NiceMock;
+using ::testing::Return;
+
+class MockEncoder : public VideoEncoder {
+ public:
+  // TODO(nisse): Valid overrides commented out, because the gmock
+  // methods don't use any override declarations, and we want to avoid
+  // warnings from -Winconsistent-missing-override. See
+  // http://crbug.com/428099.
+  MockEncoder() {}
+  virtual ~MockEncoder() {}
+
+  MOCK_METHOD3(InitEncode,
+               int32_t(const VideoCodec* codec_settings,
+                       int32_t number_of_cores,
+                       size_t max_payload_size));
+
+  MOCK_METHOD1(RegisterEncodeCompleteCallback, int32_t(EncodedImageCallback*));
+
+  MOCK_METHOD0(Release, int32_t());
+
+  MOCK_METHOD3(
+      Encode,
+      int32_t(const VideoFrame& inputImage,
+              const CodecSpecificInfo* codecSpecificInfo,
+              const std::vector<FrameType>* frame_types) /* override */);
+
+  MOCK_CONST_METHOD0(GetEncoderInfo, VideoEncoder::EncoderInfo(void));
+};
+
+TEST(EncoderSimulcastProxy, ChoosesCorrectImplementation) {
+  const std::string kImplementationName = "Fake";
+  const std::string kSimulcastAdaptedImplementationName =
+      "SimulcastEncoderAdapter (Fake, Fake, Fake)";
+  VideoCodec codec_settings;
+  webrtc::test::CodecSettings(kVideoCodecVP8, &codec_settings);
+  codec_settings.simulcastStream[0] = {test::kTestWidth,
+                                       test::kTestHeight,
+                                       test::kTestFrameRate,
+                                       2,
+                                       2000,
+                                       1000,
+                                       1000,
+                                       56};
+  codec_settings.simulcastStream[1] = {test::kTestWidth,
+                                       test::kTestHeight,
+                                       test::kTestFrameRate,
+                                       2,
+                                       3000,
+                                       1000,
+                                       1000,
+                                       56};
+  codec_settings.simulcastStream[2] = {test::kTestWidth,
+                                       test::kTestHeight,
+                                       test::kTestFrameRate,
+                                       2,
+                                       5000,
+                                       1000,
+                                       1000,
+                                       56};
+  codec_settings.numberOfSimulcastStreams = 3;
+
+  NiceMock<MockEncoder>* mock_encoder = new NiceMock<MockEncoder>();
+  NiceMock<MockVideoEncoderFactory> simulcast_factory;
+
+  EXPECT_CALL(*mock_encoder, InitEncode(_, _, _))
+      .WillOnce(Return(WEBRTC_VIDEO_CODEC_OK));
+  VideoEncoder::EncoderInfo encoder_info;
+  encoder_info.implementation_name = kImplementationName;
+  EXPECT_CALL(*mock_encoder, GetEncoderInfo())
+      .WillRepeatedly(Return(encoder_info));
+
+  EXPECT_CALL(simulcast_factory, CreateVideoEncoderProxy(_))
+      .Times(1)
+      .WillOnce(Return(mock_encoder));
+
+  EncoderSimulcastProxy simulcast_enabled_proxy(&simulcast_factory,
+                                                SdpVideoFormat("VP8"));
+  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
+            simulcast_enabled_proxy.InitEncode(&codec_settings, 4, 1200));
+  EXPECT_EQ(kImplementationName,
+            simulcast_enabled_proxy.GetEncoderInfo().implementation_name);
+
+  NiceMock<MockEncoder>* mock_encoder1 = new NiceMock<MockEncoder>();
+  NiceMock<MockEncoder>* mock_encoder2 = new NiceMock<MockEncoder>();
+  NiceMock<MockEncoder>* mock_encoder3 = new NiceMock<MockEncoder>();
+  NiceMock<MockEncoder>* mock_encoder4 = new NiceMock<MockEncoder>();
+  NiceMock<MockVideoEncoderFactory> nonsimulcast_factory;
+
+  EXPECT_CALL(*mock_encoder1, InitEncode(_, _, _))
+      .WillOnce(
+          Return(WEBRTC_VIDEO_CODEC_ERR_SIMULCAST_PARAMETERS_NOT_SUPPORTED));
+  EXPECT_CALL(*mock_encoder1, GetEncoderInfo())
+      .WillRepeatedly(Return(encoder_info));
+
+  EXPECT_CALL(*mock_encoder2, InitEncode(_, _, _))
+      .WillOnce(Return(WEBRTC_VIDEO_CODEC_OK));
+  EXPECT_CALL(*mock_encoder2, GetEncoderInfo())
+      .WillRepeatedly(Return(encoder_info));
+
+  EXPECT_CALL(*mock_encoder3, InitEncode(_, _, _))
+      .WillOnce(Return(WEBRTC_VIDEO_CODEC_OK));
+  EXPECT_CALL(*mock_encoder3, GetEncoderInfo())
+      .WillRepeatedly(Return(encoder_info));
+
+  EXPECT_CALL(*mock_encoder4, InitEncode(_, _, _))
+      .WillOnce(Return(WEBRTC_VIDEO_CODEC_OK));
+  EXPECT_CALL(*mock_encoder4, GetEncoderInfo())
+      .WillRepeatedly(Return(encoder_info));
+
+  EXPECT_CALL(nonsimulcast_factory, CreateVideoEncoderProxy(_))
+      .Times(4)
+      .WillOnce(Return(mock_encoder1))
+      .WillOnce(Return(mock_encoder2))
+      .WillOnce(Return(mock_encoder3))
+      .WillOnce(Return(mock_encoder4));
+
+  EncoderSimulcastProxy simulcast_disabled_proxy(&nonsimulcast_factory,
+                                                 SdpVideoFormat("VP8"));
+  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
+            simulcast_disabled_proxy.InitEncode(&codec_settings, 4, 1200));
+  EXPECT_EQ(kSimulcastAdaptedImplementationName,
+            simulcast_disabled_proxy.GetEncoderInfo().implementation_name);
+
+  // Cleanup.
+  simulcast_enabled_proxy.Release();
+  simulcast_disabled_proxy.Release();
+}
+
+TEST(EncoderSimulcastProxy, ForwardsTrustedSetting) {
+  NiceMock<MockEncoder>* mock_encoder = new NiceMock<MockEncoder>();
+  NiceMock<MockVideoEncoderFactory> simulcast_factory;
+
+  EXPECT_CALL(*mock_encoder, InitEncode(_, _, _))
+      .WillOnce(Return(WEBRTC_VIDEO_CODEC_OK));
+
+  EXPECT_CALL(simulcast_factory, CreateVideoEncoderProxy(_))
+      .Times(1)
+      .WillOnce(Return(mock_encoder));
+
+  EncoderSimulcastProxy simulcast_enabled_proxy(&simulcast_factory,
+                                                SdpVideoFormat("VP8"));
+  VideoCodec codec_settings;
+  webrtc::test::CodecSettings(kVideoCodecVP8, &codec_settings);
+  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
+            simulcast_enabled_proxy.InitEncode(&codec_settings, 4, 1200));
+
+  VideoEncoder::EncoderInfo info;
+  info.has_trusted_rate_controller = true;
+  EXPECT_CALL(*mock_encoder, GetEncoderInfo()).WillRepeatedly(Return(info));
+
+  EXPECT_TRUE(
+      simulcast_enabled_proxy.GetEncoderInfo().has_trusted_rate_controller);
+}
+
+TEST(EncoderSimulcastProxy, ForwardsHardwareAccelerated) {
+  NiceMock<MockEncoder>* mock_encoder = new NiceMock<MockEncoder>();
+  NiceMock<MockVideoEncoderFactory> simulcast_factory;
+
+  EXPECT_CALL(*mock_encoder, InitEncode(_, _, _))
+      .WillOnce(Return(WEBRTC_VIDEO_CODEC_OK));
+
+  EXPECT_CALL(simulcast_factory, CreateVideoEncoderProxy(_))
+      .Times(1)
+      .WillOnce(Return(mock_encoder));
+
+  EncoderSimulcastProxy simulcast_enabled_proxy(&simulcast_factory,
+                                                SdpVideoFormat("VP8"));
+  VideoCodec codec_settings;
+  webrtc::test::CodecSettings(kVideoCodecVP8, &codec_settings);
+  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
+            simulcast_enabled_proxy.InitEncode(&codec_settings, 4, 1200));
+
+  VideoEncoder::EncoderInfo info;
+
+  info.is_hardware_accelerated = false;
+  EXPECT_CALL(*mock_encoder, GetEncoderInfo()).WillOnce(Return(info));
+  EXPECT_FALSE(
+      simulcast_enabled_proxy.GetEncoderInfo().is_hardware_accelerated);
+
+  info.is_hardware_accelerated = true;
+  EXPECT_CALL(*mock_encoder, GetEncoderInfo()).WillOnce(Return(info));
+  EXPECT_TRUE(simulcast_enabled_proxy.GetEncoderInfo().is_hardware_accelerated);
+}
+
+TEST(EncoderSimulcastProxy, ForwardsInternalSource) {
+  NiceMock<MockEncoder>* mock_encoder = new NiceMock<MockEncoder>();
+  NiceMock<MockVideoEncoderFactory> simulcast_factory;
+
+  EXPECT_CALL(*mock_encoder, InitEncode(_, _, _))
+      .WillOnce(Return(WEBRTC_VIDEO_CODEC_OK));
+
+  EXPECT_CALL(simulcast_factory, CreateVideoEncoderProxy(_))
+      .Times(1)
+      .WillOnce(Return(mock_encoder));
+
+  EncoderSimulcastProxy simulcast_enabled_proxy(&simulcast_factory,
+                                                SdpVideoFormat("VP8"));
+  VideoCodec codec_settings;
+  webrtc::test::CodecSettings(kVideoCodecVP8, &codec_settings);
+  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
+            simulcast_enabled_proxy.InitEncode(&codec_settings, 4, 1200));
+
+  VideoEncoder::EncoderInfo info;
+
+  info.has_internal_source = false;
+  EXPECT_CALL(*mock_encoder, GetEncoderInfo()).WillOnce(Return(info));
+  EXPECT_FALSE(simulcast_enabled_proxy.GetEncoderInfo().has_internal_source);
+
+  info.has_internal_source = true;
+  EXPECT_CALL(*mock_encoder, GetEncoderInfo()).WillOnce(Return(info));
+  EXPECT_TRUE(simulcast_enabled_proxy.GetEncoderInfo().has_internal_source);
+}
+
+}  // namespace testing
+}  // namespace webrtc
diff --git a/media/engine/vp8_encoder_simulcast_proxy.h b/media/engine/vp8_encoder_simulcast_proxy.h
index 25ef4a5..c6973b8 100644
--- a/media/engine/vp8_encoder_simulcast_proxy.h
+++ b/media/engine/vp8_encoder_simulcast_proxy.h
@@ -30,6 +30,7 @@
 
 // This class provides fallback to SimulcastEncoderAdapter if default VP8Encoder
 // doesn't support simulcast for provided settings.
+// Deprecated: Use EncoderSimulcastProxy instead!
 class VP8EncoderSimulcastProxy : public VideoEncoder {
  public:
   VP8EncoderSimulcastProxy(VideoEncoderFactory* factory,
diff --git a/video/BUILD.gn b/video/BUILD.gn
index 4a3efa2..af08bb7 100644
--- a/video/BUILD.gn
+++ b/video/BUILD.gn
@@ -244,8 +244,8 @@
       "../logging:rtc_event_log_api",
       "../logging:rtc_event_log_impl_output",
       "../media:rtc_audio_video",
+      "../media:rtc_encoder_simulcast_proxy",
       "../media:rtc_internal_video_codecs",
-      "../media:rtc_vp8_encoder_simulcast_proxy",
       "../modules/audio_device:audio_device_api",
       "../modules/audio_device:audio_device_module_from_input_and_output",
       "../modules/audio_device:windows_core_audio_utility",
@@ -269,6 +269,7 @@
       "../test:test_support_test_artifacts",
       "../test:video_test_common",
       "../test:video_test_support",
+      "//third_party/abseil-cpp/absl/memory:memory",
     ]
     if (!build_with_chromium && is_clang) {
       # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
diff --git a/video/video_quality_test.cc b/video/video_quality_test.cc
index d6ccb65..b5290d8 100644
--- a/video/video_quality_test.cc
+++ b/video/video_quality_test.cc
@@ -16,13 +16,14 @@
 #include <string>
 #include <vector>
 
+#include "absl/memory/memory.h"
 #include "api/video/builtin_video_bitrate_allocator_factory.h"
 #include "call/fake_network_pipe.h"
 #include "call/simulated_network.h"
 #include "logging/rtc_event_log/output/rtc_event_log_output_file.h"
 #include "media/engine/adm_helpers.h"
+#include "media/engine/encoder_simulcast_proxy.h"
 #include "media/engine/internalencoderfactory.h"
-#include "media/engine/vp8_encoder_simulcast_proxy.h"
 #include "media/engine/webrtcvideoengine.h"
 #include "modules/audio_device/include/audio_device.h"
 #include "modules/audio_mixer/audio_mixer_impl.h"
@@ -187,7 +188,7 @@
     VideoAnalyzer* analyzer) {
   std::unique_ptr<VideoEncoder> encoder;
   if (format.name == "VP8") {
-    encoder = absl::make_unique<VP8EncoderSimulcastProxy>(
+    encoder = absl::make_unique<EncoderSimulcastProxy>(
         &internal_encoder_factory_, format);
   } else if (format.name == "multiplex") {
     encoder = absl::make_unique<MultiplexEncoderAdapter>(