3d11e2f81c
This CL adds a field trial that enables the EncoderBitrateAdjuster to allow higher target bitrate if we are not network constrained. We still don't allow the bitrate to go higher than the average target media rate though. Bug: webrtc:10155 Change-Id: Id5995070aa0cbe84b9305a422279141b38664bb1 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/132717 Commit-Queue: Erik Språng <sprang@webrtc.org> Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27627}
85 lines
3.1 KiB
C++
85 lines
3.1 KiB
C++
/*
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* Copyright (c) 2019 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 RTC_BASE_EXPERIMENTS_RATE_CONTROL_SETTINGS_H_
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#define RTC_BASE_EXPERIMENTS_RATE_CONTROL_SETTINGS_H_
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#include "absl/types/optional.h"
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#include "api/transport/webrtc_key_value_config.h"
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#include "api/video_codecs/video_codec.h"
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#include "api/video_codecs/video_encoder_config.h"
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#include "rtc_base/experiments/field_trial_parser.h"
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#include "rtc_base/experiments/field_trial_units.h"
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namespace webrtc {
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class RateControlSettings final {
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public:
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~RateControlSettings();
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RateControlSettings(RateControlSettings&&);
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static RateControlSettings ParseFromFieldTrials();
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static RateControlSettings ParseFromKeyValueConfig(
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const WebRtcKeyValueConfig* const key_value_config);
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// When CongestionWindowPushback is enabled, the pacer is oblivious to
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// the congestion window. The relation between outstanding data and
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// the congestion window affects encoder allocations directly.
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bool UseCongestionWindow() const;
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int64_t GetCongestionWindowAdditionalTimeMs() const;
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bool UseCongestionWindowPushback() const;
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uint32_t CongestionWindowMinPushbackTargetBitrateBps() const;
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absl::optional<double> GetPacingFactor() const;
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bool UseAlrProbing() const;
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bool LibvpxVp8TrustedRateController() const;
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bool Vp8BoostBaseLayerQuality() const;
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bool Vp8DynamicRateSettings() const;
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bool LibvpxVp9TrustedRateController() const;
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bool Vp9DynamicRateSettings() const;
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// TODO(bugs.webrtc.org/10272): Remove one of these when we have merged
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// VideoCodecMode and VideoEncoderConfig::ContentType.
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double GetSimulcastHysteresisFactor(VideoCodecMode mode) const;
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double GetSimulcastHysteresisFactor(
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VideoEncoderConfig::ContentType content_type) const;
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bool TriggerProbeOnMaxAllocatedBitrateChange() const;
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bool UseEncoderBitrateAdjuster() const;
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bool BitrateAdjusterCanUseNetworkHeadroom() const;
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private:
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explicit RateControlSettings(
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const WebRtcKeyValueConfig* const key_value_config);
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double GetSimulcastVideoHysteresisFactor() const;
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double GetSimulcastScreenshareHysteresisFactor() const;
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FieldTrialOptional<int> congestion_window_;
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FieldTrialOptional<int> congestion_window_pushback_;
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FieldTrialOptional<double> pacing_factor_;
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FieldTrialParameter<bool> alr_probing_;
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FieldTrialParameter<bool> trust_vp8_;
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FieldTrialParameter<bool> trust_vp9_;
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FieldTrialParameter<double> video_hysteresis_;
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FieldTrialParameter<double> screenshare_hysteresis_;
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FieldTrialParameter<bool> probe_max_allocation_;
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FieldTrialParameter<bool> bitrate_adjuster_;
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FieldTrialParameter<bool> adjuster_use_headroom_;
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FieldTrialParameter<bool> vp8_s0_boost_;
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FieldTrialParameter<bool> vp8_dynamic_rate_;
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FieldTrialParameter<bool> vp9_dynamic_rate_;
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};
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} // namespace webrtc
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#endif // RTC_BASE_EXPERIMENTS_RATE_CONTROL_SETTINGS_H_
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