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/*
* Copyright (c) 2014 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.
*
* Usage: this class will register multiple RtcpBitrateObserver's one at each
* RTCP module. It will aggregate the results and run one bandwidth estimation
* and push the result to the encoder via VideoEncoderCallback.
*/
#ifndef THIRD_PARTY_WEBRTC_MODULES_BITRATE_CONTROLLER_REMB_SUPPRESSOR_H_
#define THIRD_PARTY_WEBRTC_MODULES_BITRATE_CONTROLLER_REMB_SUPPRESSOR_H_
#include "webrtc/modules/rtp_rtcp/interface/rtp_rtcp_defines.h"
#include "webrtc/system_wrappers/interface/clock.h"
namespace webrtc {
class RembSuppressor {
public:
explicit RembSuppressor(Clock* clock);
virtual ~RembSuppressor();
// Check whether this new REMB value should be suppressed.
bool SuppresNewRemb(uint32_t bitrate_bps);
// Update the current bitrate actually being sent.
void SetBitrateSent(uint32_t bitrate_bps);
// Turn suppression on or off.
void SetEnabled(bool enabled);
protected:
virtual bool Enabled();
private:
bool StartSuppressing(uint32_t bitrate_bps);
bool ContinueSuppressing(uint32_t bitrate_bps);
bool enabled_;
Clock* const clock_;
uint32_t last_remb_bps_;
uint32_t bitrate_sent_bps_;
uint32_t last_remb_ignored_bps_;
uint32_t last_remb_ignore_time_ms_;
int64_t remb_silence_start_;
DISALLOW_COPY_AND_ASSIGN(RembSuppressor);
};
} // namespace webrtc
#endif // THIRD_PARTY_WEBRTC_MODULES_BITRATE_CONTROLLER_REMB_SUPPRESSOR_H_
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