media/webrtc/webrtc_switches.cc

// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "media/webrtc/webrtc_switches.h"

namespace switches {

// Enables a new tuning of the WebRTC Acoustic Echo Canceler (AEC). The new
// tuning aims at resolving two issues with the AEC:
// https://bugs.chromium.org/p/webrtc/issues/detail?id=5777
// https://bugs.chromium.org/p/webrtc/issues/detail?id=5778
// TODO(hlundin): Remove this switch when experimentation is over;
// crbug.com/603821.
const char kAecRefinedAdaptiveFilter[] = "aec-refined-adaptive-filter";

// Override the default minimum starting volume of the Automatic Gain Control
// algorithm in WebRTC used with audio tracks from getUserMedia.
// The valid range is 12-255. Values outside that range will be clamped
// to the lowest or highest valid value inside WebRTC.
// TODO(tommi): Remove this switch when crbug.com/555577 is fixed.
const char kAgcStartupMinVolume[] = "agc-startup-min-volume";

}  // namespace switches

namespace features {

// Enables running WebRTC Audio Processing in the audio service, rather than
// in the renderer process. Should be combined with running the audio service
// out of the browser process, except for when testing locally.
const base::Feature kWebRtcApmInAudioService{"WebRtcApmInAudioService",
                                             base::FEATURE_DISABLED_BY_DEFAULT};

// Enables the WebRTC Agc2 digital adaptation with WebRTC Agc1 analog
// adaptation. Feature for http://crbug.com/873650. Is sent to WebRTC.
const base::Feature kWebRtcHybridAgc{"WebRtcHybridAgc",
                                     base::FEATURE_DISABLED_BY_DEFAULT};

}  // namespace features