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+/*
+ * Copyright 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_CALL_BITRATE_ALLOCATION_H_
+#define API_CALL_BITRATE_ALLOCATION_H_
+
+#include "api/units/data_rate.h"
+#include "api/units/time_delta.h"
+
+namespace webrtc {
+
+// BitrateAllocationUpdate provides information to allocated streams about their
+// bitrate allocation. It originates from the BitrateAllocater class and is
+// propagated from there.
+struct BitrateAllocationUpdate {
+ // The allocated target bitrate. Media streams should produce this amount of
+ // data. (Note that this may include packet overhead depending on
+ // configuration.)
+ DataRate target_bitrate = DataRate::Zero();
+ // The allocated part of the estimated link capacity. This is more stable than
+ // the target as it is based on the underlying link capacity estimate. This
+ // should be used to change encoder configuration when the cost of change is
+ // high.
+ DataRate stable_target_bitrate = DataRate::Zero();
+ // Predicted packet loss ratio.
+ double packet_loss_ratio = 0;
+ // Predicted round trip time.
+ TimeDelta round_trip_time = TimeDelta::PlusInfinity();
+ // `bwe_period` is deprecated, use `stable_target_bitrate` allocation instead.
+ TimeDelta bwe_period = TimeDelta::PlusInfinity();
+ // Congestion window pushback bitrate reduction fraction. Used in
+ // VideoStreamEncoder to reduce the bitrate by the given fraction
+ // by dropping frames.
+ double cwnd_reduce_ratio = 0;
+};
+
+} // namespace webrtc
+
+#endif // API_CALL_BITRATE_ALLOCATION_H_