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diff --git a/third_party/libwebrtc/modules/video_coding/codecs/test/video_codec_analyzer.h b/third_party/libwebrtc/modules/video_coding/codecs/test/video_codec_analyzer.h
new file mode 100644
index 0000000000..29ca8ee2ff
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+++ b/third_party/libwebrtc/modules/video_coding/codecs/test/video_codec_analyzer.h
@@ -0,0 +1,75 @@
+/*
+ *  Copyright (c) 2022 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 MODULES_VIDEO_CODING_CODECS_TEST_VIDEO_CODEC_ANALYZER_H_
+#define MODULES_VIDEO_CODING_CODECS_TEST_VIDEO_CODEC_ANALYZER_H_
+
+#include <map>
+#include <memory>
+
+#include "absl/types/optional.h"
+#include "api/sequence_checker.h"
+#include "api/test/video_codec_tester.h"
+#include "api/video/encoded_image.h"
+#include "api/video/resolution.h"
+#include "api/video/video_frame.h"
+#include "modules/video_coding/codecs/test/video_codec_stats_impl.h"
+#include "rtc_base/system/no_unique_address.h"
+#include "rtc_base/task_queue_for_test.h"
+
+namespace webrtc {
+namespace test {
+
+// Analyzer measures and collects metrics necessary for evaluation of video
+// codec quality and performance. This class is thread-safe.
+class VideoCodecAnalyzer {
+ public:
+  // An interface that provides reference frames for spatial quality analysis.
+  class ReferenceVideoSource {
+   public:
+    virtual ~ReferenceVideoSource() = default;
+
+    virtual VideoFrame GetFrame(uint32_t timestamp_rtp,
+                                Resolution resolution) = 0;
+  };
+
+  explicit VideoCodecAnalyzer(
+      ReferenceVideoSource* reference_video_source = nullptr);
+
+  void StartEncode(const VideoFrame& frame);
+
+  void FinishEncode(const EncodedImage& frame);
+
+  void StartDecode(const EncodedImage& frame);
+
+  void FinishDecode(const VideoFrame& frame, int spatial_idx);
+
+  std::unique_ptr<VideoCodecStats> GetStats();
+
+ protected:
+  TaskQueueForTest task_queue_;
+
+  ReferenceVideoSource* const reference_video_source_;
+
+  VideoCodecStatsImpl stats_ RTC_GUARDED_BY(sequence_checker_);
+
+  // Map from RTP timestamp to frame number.
+  std::map<uint32_t, int> frame_num_ RTC_GUARDED_BY(sequence_checker_);
+
+  // Processed frames counter.
+  int num_frames_ RTC_GUARDED_BY(sequence_checker_);
+
+  RTC_NO_UNIQUE_ADDRESS SequenceChecker sequence_checker_;
+};
+
+}  // namespace test
+}  // namespace webrtc
+
+#endif  // MODULES_VIDEO_CODING_CODECS_TEST_VIDEO_CODEC_ANALYZER_H_