43 lines
1019 B
C
43 lines
1019 B
C
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/*
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* Copyright 2004 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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#ifndef WEBRTC_BASE_RATETRACKER_H_
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#define WEBRTC_BASE_RATETRACKER_H_
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#include <stdlib.h>
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#include "webrtc/base/basictypes.h"
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namespace rtc {
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// Computes instantaneous units per second.
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class RateTracker {
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public:
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RateTracker();
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virtual ~RateTracker() {}
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size_t total_units() const;
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size_t units_second();
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void Update(size_t units);
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protected:
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// overrideable for tests
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virtual uint32 Time() const;
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private:
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size_t total_units_;
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size_t units_second_;
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uint32 last_units_second_time_;
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size_t last_units_second_calc_;
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};
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} // namespace rtc
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#endif // WEBRTC_BASE_RATETRACKER_H_
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