1/*
2 *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#ifndef WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_INCLUDE_BWE_DEFINES_H_
12#define WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_INCLUDE_BWE_DEFINES_H_
13
14#include "webrtc/typedefs.h"
15
16#define BWE_MAX(a, b) ((a) > (b) ? (a) : (b))
17#define BWE_MIN(a, b) ((a) < (b) ? (a) : (b))
18
19namespace webrtc {
20
21static const int64_t kBitrateWindowMs = 1000;
22
23enum BandwidthUsage {
24  kBwNormal = 0,
25  kBwUnderusing = 1,
26  kBwOverusing = 2,
27};
28
29enum RateControlState { kRcHold, kRcIncrease, kRcDecrease };
30
31enum RateControlRegion { kRcNearMax, kRcAboveMax, kRcMaxUnknown };
32
33struct RateControlInput {
34  RateControlInput(BandwidthUsage bw_state,
35                   uint32_t incoming_bitrate,
36                   double noise_var)
37      : bw_state(bw_state),
38        incoming_bitrate(incoming_bitrate),
39        noise_var(noise_var) {}
40
41  BandwidthUsage bw_state;
42  uint32_t incoming_bitrate;
43  double noise_var;
44};
45}  // namespace webrtc
46
47#endif  // WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_INCLUDE_BWE_DEFINES_H_
48