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