| /* |
| * Copyright (c) 2016 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. |
| */ |
| |
| #include "webrtc/modules/audio_coding/audio_network_adaptor/dtx_controller.h" |
| #include "webrtc/base/checks.h" |
| |
| namespace webrtc { |
| |
| DtxController::Config::Config(bool initial_dtx_enabled, |
| int dtx_enabling_bandwidth_bps, |
| int dtx_disabling_bandwidth_bps) |
| : initial_dtx_enabled(initial_dtx_enabled), |
| dtx_enabling_bandwidth_bps(dtx_enabling_bandwidth_bps), |
| dtx_disabling_bandwidth_bps(dtx_disabling_bandwidth_bps) {} |
| |
| DtxController::DtxController(const Config& config) |
| : config_(config), dtx_enabled_(config_.initial_dtx_enabled) {} |
| |
| void DtxController::MakeDecision( |
| const NetworkMetrics& metrics, |
| AudioNetworkAdaptor::EncoderRuntimeConfig* config) { |
| // Decision on |enable_dtx| should not have been made. |
| RTC_DCHECK(!config->enable_dtx); |
| |
| if (metrics.uplink_bandwidth_bps) { |
| if (dtx_enabled_ && |
| *metrics.uplink_bandwidth_bps >= config_.dtx_disabling_bandwidth_bps) { |
| dtx_enabled_ = false; |
| } else if (!dtx_enabled_ && |
| *metrics.uplink_bandwidth_bps <= |
| config_.dtx_enabling_bandwidth_bps) { |
| dtx_enabled_ = true; |
| } |
| } |
| config->enable_dtx = rtc::Optional<bool>(dtx_enabled_); |
| } |
| |
| } // namespace webrtc |
