4346d92578
Use SendTimeHistory to keep track of send times in simulations. Keep piggybacking send time in PacketInfo for now but use history in order to be more in line with what we expect to do. Landing this for sprang@. Original CL: https://review.webrtc.org/43559004/ TBR=sprang@webrtc.org BUG=4308 Review URL: https://webrtc-codereview.appspot.com/48569004 Cr-Commit-Position: refs/heads/master@{#8778} git-svn-id: http://webrtc.googlecode.com/svn/trunk@8778 4adac7df-926f-26a2-2b94-8c16560cd09d
87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
/*
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* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/modules/remote_bitrate_estimator/test/bwe.h"
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#include <limits>
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#include "webrtc/base/common.h"
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#include "webrtc/modules/remote_bitrate_estimator/test/estimators/nada.h"
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#include "webrtc/modules/remote_bitrate_estimator/test/estimators/remb.h"
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#include "webrtc/modules/remote_bitrate_estimator/test/estimators/send_side.h"
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namespace webrtc {
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namespace testing {
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namespace bwe {
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class NullBweSender : public BweSender {
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public:
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NullBweSender() {}
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virtual ~NullBweSender() {}
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int GetFeedbackIntervalMs() const override { return 1000; }
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void GiveFeedback(const FeedbackPacket& feedback) override {}
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void OnPacketsSent(const Packets& packets) override {}
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int64_t TimeUntilNextProcess() override {
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return std::numeric_limits<int64_t>::max();
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}
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int Process() override { return 0; }
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private:
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DISALLOW_COPY_AND_ASSIGN(NullBweSender);
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};
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int64_t GetAbsSendTimeInMs(uint32_t abs_send_time) {
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const int kInterArrivalShift = 26;
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const int kAbsSendTimeInterArrivalUpshift = 8;
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const double kTimestampToMs =
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1000.0 / static_cast<double>(1 << kInterArrivalShift);
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uint32_t timestamp = abs_send_time << kAbsSendTimeInterArrivalUpshift;
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return static_cast<int64_t>(timestamp) * kTimestampToMs;
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}
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BweSender* CreateBweSender(BandwidthEstimatorType estimator,
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int kbps,
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BitrateObserver* observer,
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Clock* clock) {
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switch (estimator) {
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case kRembEstimator:
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return new RembBweSender(kbps, observer, clock);
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case kFullSendSideEstimator:
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return new FullBweSender(kbps, observer, clock);
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case kNadaEstimator:
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return new NadaBweSender(kbps, observer, clock);
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case kNullEstimator:
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return new NullBweSender();
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}
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assert(false);
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return NULL;
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}
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BweReceiver* CreateBweReceiver(BandwidthEstimatorType type,
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int flow_id,
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bool plot) {
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switch (type) {
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case kRembEstimator:
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return new RembReceiver(flow_id, plot);
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case kFullSendSideEstimator:
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return new SendSideBweReceiver(flow_id);
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case kNadaEstimator:
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return new NadaBweReceiver(flow_id);
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case kNullEstimator:
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return new BweReceiver(flow_id);
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}
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assert(false);
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return NULL;
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}
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} // namespace bwe
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} // namespace testing
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} // namespace webrtc
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