1 files changed, 43 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/congestion_controller/goog_cc/delay_increase_detector_interface.h b/third_party/libwebrtc/modules/congestion_controller/goog_cc/delay_increase_detector_interface.h
new file mode 100644
index 0000000000..fc12cff7d5
--- /dev/null
+++ b/third_party/libwebrtc/modules/congestion_controller/goog_cc/delay_increase_detector_interface.h
@@ -0,0 +1,43 @@
+/*
+ *  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 MODULES_CONGESTION_CONTROLLER_GOOG_CC_DELAY_INCREASE_DETECTOR_INTERFACE_H_
+#define MODULES_CONGESTION_CONTROLLER_GOOG_CC_DELAY_INCREASE_DETECTOR_INTERFACE_H_
+
+#include <stdint.h>
+
+#include "api/network_state_predictor.h"
+
+namespace webrtc {
+
+class DelayIncreaseDetectorInterface {
+ public:
+  DelayIncreaseDetectorInterface() {}
+  virtual ~DelayIncreaseDetectorInterface() {}
+
+  DelayIncreaseDetectorInterface(const DelayIncreaseDetectorInterface&) =
+      delete;
+  DelayIncreaseDetectorInterface& operator=(
+      const DelayIncreaseDetectorInterface&) = delete;
+
+  // Update the detector with a new sample. The deltas should represent deltas
+  // between timestamp groups as defined by the InterArrival class.
+  virtual void Update(double recv_delta_ms,
+                      double send_delta_ms,
+                      int64_t send_time_ms,
+                      int64_t arrival_time_ms,
+                      size_t packet_size,
+                      bool calculated_deltas) = 0;
+
+  virtual BandwidthUsage State() const = 0;
+};
+
+}  // namespace webrtc
+
+#endif  // MODULES_CONGESTION_CONTROLLER_GOOG_CC_DELAY_INCREASE_DETECTOR_INTERFACE_H_