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diff --git a/third_party/libwebrtc/api/test/video/video_frame_writer.h b/third_party/libwebrtc/api/test/video/video_frame_writer.h
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+++ b/third_party/libwebrtc/api/test/video/video_frame_writer.h
@@ -0,0 +1,37 @@
+/*
+ *  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 API_TEST_VIDEO_VIDEO_FRAME_WRITER_H_
+#define API_TEST_VIDEO_VIDEO_FRAME_WRITER_H_
+
+#include "api/video/video_frame.h"
+
+namespace webrtc {
+namespace test {
+
+class VideoFrameWriter {
+ public:
+  virtual ~VideoFrameWriter() = default;
+
+  // Writes `VideoFrame` and returns true if operation was successful, false
+  // otherwise.
+  //
+  // Calling `WriteFrame` after `Close` is not allowed.
+  virtual bool WriteFrame(const VideoFrame& frame) = 0;
+
+  // Closes writer and cleans up all resources. No invocations to `WriteFrame`
+  // are allowed after `Close` was invoked.
+  virtual void Close() = 0;
+};
+
+}  // namespace test
+}  // namespace webrtc
+
+#endif  // API_TEST_VIDEO_VIDEO_FRAME_WRITER_H_