Line data    Source code

       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/base/optional.h"
      15             : #include "webrtc/typedefs.h"
      16             : 
      17             : #define BWE_MAX(a, b) ((a) > (b) ? (a) : (b))
      18             : #define BWE_MIN(a, b) ((a) < (b) ? (a) : (b))
      19             : 
      20             : namespace webrtc {
      21             : 
      22             : namespace congestion_controller {
      23             : int GetMinBitrateBps();
      24             : }  // namespace congestion_controller
      25             : 
      26             : static const int64_t kBitrateWindowMs = 1000;
      27             : 
      28             : extern const char* kBweTypeHistogram;
      29             : 
      30             : enum BweNames {
      31             :   kReceiverNoExtension = 0,
      32             :   kReceiverTOffset = 1,
      33             :   kReceiverAbsSendTime = 2,
      34             :   kSendSideTransportSeqNum = 3,
      35             :   kBweNamesMax = 4
      36             : };
      37             : 
      38             : enum BandwidthUsage {
      39             :   kBwNormal = 0,
      40             :   kBwUnderusing = 1,
      41             :   kBwOverusing = 2,
      42             : };
      43             : 
      44             : enum RateControlState { kRcHold, kRcIncrease, kRcDecrease };
      45             : 
      46             : enum RateControlRegion { kRcNearMax, kRcAboveMax, kRcMaxUnknown };
      47             : 
      48           0 : struct RateControlInput {
      49           0 :   RateControlInput(BandwidthUsage bw_state,
      50             :                    const rtc::Optional<uint32_t>& incoming_bitrate,
      51             :                    double noise_var)
      52           0 :       : bw_state(bw_state),
      53             :         incoming_bitrate(incoming_bitrate),
      54           0 :         noise_var(noise_var) {}
      55             : 
      56             :   BandwidthUsage bw_state;
      57             :   rtc::Optional<uint32_t> incoming_bitrate;
      58             :   double noise_var;
      59             : };
      60             : }  // namespace webrtc
      61             : 
      62             : #endif  // WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_INCLUDE_BWE_DEFINES_H_