diff --git a/modules/video_coding/codecs/test/videoprocessor.cc b/modules/video_coding/codecs/test/videoprocessor.cc
index 473be01..09c0a75 100644
--- a/modules/video_coding/codecs/test/videoprocessor.cc
+++ b/modules/video_coding/codecs/test/videoprocessor.cc
@@ -196,10 +196,12 @@
   for (size_t i = 0; i < num_simulcast_or_spatial_layers_; ++i) {
     decode_callback_.push_back(
         std::make_unique<VideoProcessorDecodeCompleteCallback>(this, i));
-    RTC_CHECK_EQ(
-        decoders_->at(i)->InitDecode(&config_.codec_settings,
-                                     static_cast<int>(config_.NumberOfCores())),
-        WEBRTC_VIDEO_CODEC_OK);
+    VideoDecoder::Settings decoder_settings;
+    decoder_settings.set_max_render_resolution(
+        {config_.codec_settings.width, config_.codec_settings.height});
+    decoder_settings.set_codec_type(config_.codec_settings.codecType);
+    decoder_settings.set_number_of_cores(config_.NumberOfCores());
+    RTC_CHECK(decoders_->at(i)->Configure(decoder_settings));
     RTC_CHECK_EQ(decoders_->at(i)->RegisterDecodeCompleteCallback(
                      decode_callback_.at(i).get()),
                  WEBRTC_VIDEO_CODEC_OK);
diff --git a/modules/video_coding/codecs/test/videoprocessor_unittest.cc b/modules/video_coding/codecs/test/videoprocessor_unittest.cc
index 2d94042..6d78f7e 100644
--- a/modules/video_coding/codecs/test/videoprocessor_unittest.cc
+++ b/modules/video_coding/codecs/test/videoprocessor_unittest.cc
@@ -68,10 +68,10 @@
   }
 
   void ExpectInit() {
-    EXPECT_CALL(encoder_mock_, InitEncode(_, _)).Times(1);
-    EXPECT_CALL(encoder_mock_, RegisterEncodeCompleteCallback(_)).Times(1);
-    EXPECT_CALL(*decoder_mock_, InitDecode(_, _)).Times(1);
-    EXPECT_CALL(*decoder_mock_, RegisterDecodeCompleteCallback(_)).Times(1);
+    EXPECT_CALL(encoder_mock_, InitEncode(_, _));
+    EXPECT_CALL(encoder_mock_, RegisterEncodeCompleteCallback);
+    EXPECT_CALL(*decoder_mock_, Configure);
+    EXPECT_CALL(*decoder_mock_, RegisterDecodeCompleteCallback);
   }
 
   void ExpectRelease() {
diff --git a/modules/video_coding/utility/simulcast_test_fixture_impl.cc b/modules/video_coding/utility/simulcast_test_fixture_impl.cc
index d3951e5..435f472 100644
--- a/modules/video_coding/utility/simulcast_test_fixture_impl.cc
+++ b/modules/video_coding/utility/simulcast_test_fixture_impl.cc
@@ -276,7 +276,10 @@
   DefaultSettings(&settings_, temporal_layer_profile, codec_type_);
   SetUpRateAllocator();
   EXPECT_EQ(0, encoder_->InitEncode(&settings_, kSettings));
-  EXPECT_EQ(0, decoder_->InitDecode(&settings_, 1));
+  VideoDecoder::Settings decoder_settings;
+  decoder_settings.set_max_render_resolution({kDefaultWidth, kDefaultHeight});
+  decoder_settings.set_codec_type(codec_type_);
+  EXPECT_TRUE(decoder_->Configure(decoder_settings));
   input_buffer_ = I420Buffer::Create(kDefaultWidth, kDefaultHeight);
   input_buffer_->InitializeData();
   input_frame_ = std::make_unique<webrtc::VideoFrame>(
diff --git a/test/testsupport/ivf_video_frame_generator.cc b/test/testsupport/ivf_video_frame_generator.cc
index e5c4c5f..f7eefdc 100644
--- a/test/testsupport/ivf_video_frame_generator.cc
+++ b/test/testsupport/ivf_video_frame_generator.cc
@@ -38,19 +38,17 @@
       width_(file_reader_->GetFrameWidth()),
       height_(file_reader_->GetFrameHeight()) {
   RTC_CHECK(video_decoder_) << "No decoder found for file's video codec type";
-  VideoCodec codec_settings;
-  codec_settings.codecType = file_reader_->GetVideoCodecType();
-  codec_settings.width = file_reader_->GetFrameWidth();
-  codec_settings.height = file_reader_->GetFrameHeight();
+  VideoDecoder::Settings decoder_settings;
+  decoder_settings.set_codec_type(file_reader_->GetVideoCodecType());
+  decoder_settings.set_max_render_resolution(
+      {file_reader_->GetFrameWidth(), file_reader_->GetFrameHeight()});
   // Set buffer pool size to max value to ensure that if users of generator,
   // ex. test frameworks, will retain frames for quite a long time, decoder
   // won't crash with buffers pool overflow error.
-  codec_settings.buffer_pool_size = std::numeric_limits<int>::max();
+  decoder_settings.set_buffer_pool_size(std::numeric_limits<int>::max());
   RTC_CHECK_EQ(video_decoder_->RegisterDecodeCompleteCallback(&callback_),
                WEBRTC_VIDEO_CODEC_OK);
-  RTC_CHECK_EQ(
-      video_decoder_->InitDecode(&codec_settings, /*number_of_cores=*/1),
-      WEBRTC_VIDEO_CODEC_OK);
+  RTC_CHECK(video_decoder_->Configure(decoder_settings));
 }
 IvfVideoFrameGenerator::~IvfVideoFrameGenerator() {
   MutexLock lock(&lock_);
diff --git a/video/frame_dumping_decoder.cc b/video/frame_dumping_decoder.cc
index 59202dd..9592565 100644
--- a/video/frame_dumping_decoder.cc
+++ b/video/frame_dumping_decoder.cc
@@ -24,8 +24,7 @@
   FrameDumpingDecoder(std::unique_ptr<VideoDecoder> decoder, FileWrapper file);
   ~FrameDumpingDecoder() override;
 
-  int32_t InitDecode(const VideoCodec* codec_settings,
-                     int32_t number_of_cores) override;
+  bool Configure(const Settings& settings) override;
   int32_t Decode(const EncodedImage& input_image,
                  bool missing_frames,
                  int64_t render_time_ms) override;
@@ -49,10 +48,9 @@
 
 FrameDumpingDecoder::~FrameDumpingDecoder() = default;
 
-int32_t FrameDumpingDecoder::InitDecode(const VideoCodec* codec_settings,
-                                        int32_t number_of_cores) {
-  codec_type_ = codec_settings->codecType;
-  return decoder_->InitDecode(codec_settings, number_of_cores);
+bool FrameDumpingDecoder::Configure(const Settings& settings) {
+  codec_type_ = settings.codec_type();
+  return decoder_->Configure(settings);
 }
 
 int32_t FrameDumpingDecoder::Decode(const EncodedImage& input_image,
diff --git a/video/video_receive_stream.cc b/video/video_receive_stream.cc
index 12e5935..e2e2bb8 100644
--- a/video/video_receive_stream.cc
+++ b/video/video_receive_stream.cc
@@ -115,10 +115,9 @@
 // but logs messages to LS_ERROR.
 class NullVideoDecoder : public webrtc::VideoDecoder {
  public:
-  int32_t InitDecode(const webrtc::VideoCodec* codec_settings,
-                     int32_t number_of_cores) override {
+  bool Configure(const Settings& settings) override {
     RTC_LOG(LS_ERROR) << "Can't initialize NullVideoDecoder.";
-    return WEBRTC_VIDEO_CODEC_OK;
+    return true;
   }
 
   int32_t Decode(const webrtc::EncodedImage& input_image,
diff --git a/video/video_receive_stream2.cc b/video/video_receive_stream2.cc
index a1b2f9f..d7fcd08 100644
--- a/video/video_receive_stream2.cc
+++ b/video/video_receive_stream2.cc
@@ -130,10 +130,9 @@
 // but logs messages to LS_ERROR.
 class NullVideoDecoder : public webrtc::VideoDecoder {
  public:
-  int32_t InitDecode(const webrtc::VideoCodec* codec_settings,
-                     int32_t number_of_cores) override {
+  bool Configure(const Settings& settings) override {
     RTC_LOG(LS_ERROR) << "Can't initialize NullVideoDecoder.";
-    return WEBRTC_VIDEO_CODEC_OK;
+    return true;
   }
 
   int32_t Decode(const webrtc::EncodedImage& input_image,
diff --git a/video/video_stream_decoder_impl.cc b/video/video_stream_decoder_impl.cc
index 4c52d35..3b65d17 100644
--- a/video/video_stream_decoder_impl.cc
+++ b/video/video_stream_decoder_impl.cc
@@ -102,9 +102,9 @@
     return nullptr;
   }
 
-  int num_cores = decoder_settings_it->second.second;
-  int32_t init_result = decoder->InitDecode(nullptr, num_cores);
-  if (init_result != WEBRTC_VIDEO_CODEC_OK) {
+  VideoDecoder::Settings settings;
+  settings.set_number_of_cores(decoder_settings_it->second.second);
+  if (!decoder->Configure(settings)) {
     RTC_LOG(LS_WARNING) << "Failed to initialize decoder for payload type "
                         << payload_type << ".";
     return nullptr;