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diff --git a/third_party/libwebrtc/api/video/video_stream_encoder_settings.h b/third_party/libwebrtc/api/video/video_stream_encoder_settings.h
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+++ b/third_party/libwebrtc/api/video/video_stream_encoder_settings.h
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+/*
+ *  Copyright (c) 2018 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_VIDEO_VIDEO_STREAM_ENCODER_SETTINGS_H_
+#define API_VIDEO_VIDEO_STREAM_ENCODER_SETTINGS_H_
+
+#include <string>
+
+#include "api/video/video_bitrate_allocator_factory.h"
+#include "api/video_codecs/video_encoder.h"
+#include "api/video_codecs/video_encoder_factory.h"
+
+namespace webrtc {
+
+class EncoderSwitchRequestCallback {
+ public:
+  virtual ~EncoderSwitchRequestCallback() {}
+
+  // Requests switch to next negotiated encoder.
+  virtual void RequestEncoderFallback() = 0;
+
+  // Requests switch to a specific encoder. If the encoder is not available and
+  // `allow_default_fallback` is `true` the default fallback is invoked.
+  virtual void RequestEncoderSwitch(const SdpVideoFormat& format,
+                                    bool allow_default_fallback) = 0;
+};
+
+struct VideoStreamEncoderSettings {
+  explicit VideoStreamEncoderSettings(
+      const VideoEncoder::Capabilities& capabilities)
+      : capabilities(capabilities) {}
+
+  // Enables the new method to estimate the cpu load from encoding, used for
+  // cpu adaptation.
+  bool experiment_cpu_load_estimator = false;
+
+  // Ownership stays with WebrtcVideoEngine (delegated from PeerConnection).
+  VideoEncoderFactory* encoder_factory = nullptr;
+
+  // Requests the WebRtcVideoChannel to perform a codec switch.
+  EncoderSwitchRequestCallback* encoder_switch_request_callback = nullptr;
+
+  // Ownership stays with WebrtcVideoEngine (delegated from PeerConnection).
+  VideoBitrateAllocatorFactory* bitrate_allocator_factory = nullptr;
+
+  // Negotiated capabilities which the VideoEncoder may expect the other
+  // side to use.
+  VideoEncoder::Capabilities capabilities;
+};
+
+}  // namespace webrtc
+
+#endif  // API_VIDEO_VIDEO_STREAM_ENCODER_SETTINGS_H_