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/*
* Copyright (c) 2012 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 WEBRTC_MODULES_RTP_RTCP_SOURCE_BITRATE_H_
#define WEBRTC_MODULES_RTP_RTCP_SOURCE_BITRATE_H_
#include <stdio.h>
#include <list>
#include "webrtc/common_types.h"
#include "webrtc/modules/rtp_rtcp/source/rtp_rtcp_config.h"
#include "webrtc/system_wrappers/interface/scoped_ptr.h"
#include "webrtc/typedefs.h"
namespace webrtc {
class Clock;
class CriticalSectionWrapper;
class Bitrate {
public:
class Observer;
Bitrate(Clock* clock, Observer* observer);
virtual ~Bitrate();
// Calculates rates.
void Process();
// Update with a packet.
void Update(const size_t bytes);
// Packet rate last second, updated roughly every 100 ms.
uint32_t PacketRate() const;
// Bitrate last second, updated roughly every 100 ms.
uint32_t BitrateLast() const;
// Bitrate last second, updated now.
uint32_t BitrateNow() const;
int64_t time_last_rate_update() const;
class Observer {
public:
Observer() {}
virtual ~Observer() {}
virtual void BitrateUpdated(const BitrateStatistics& stats) = 0;
};
protected:
Clock* clock_;
private:
scoped_ptr<CriticalSectionWrapper> crit_;
uint32_t packet_rate_;
uint32_t bitrate_;
uint8_t bitrate_next_idx_;
int64_t packet_rate_array_[10];
int64_t bitrate_array_[10];
int64_t bitrate_diff_ms_[10];
int64_t time_last_rate_update_;
size_t bytes_count_;
uint32_t packet_count_;
Observer* const observer_;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_BITRATE_H_
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