72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
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/*
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* Copyright (c) 2022 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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#include "modules/audio_processing/aec3/config_selector.h"
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#include "rtc_base/checks.h"
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namespace webrtc {
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namespace {
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// Validates that the mono and the multichannel configs have compatible fields.
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bool CompatibleConfigs(const EchoCanceller3Config& mono_config,
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const EchoCanceller3Config& multichannel_config) {
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if (mono_config.delay.fixed_capture_delay_samples !=
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multichannel_config.delay.fixed_capture_delay_samples) {
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return false;
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}
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if (mono_config.filter.export_linear_aec_output !=
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multichannel_config.filter.export_linear_aec_output) {
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return false;
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}
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if (mono_config.filter.high_pass_filter_echo_reference !=
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multichannel_config.filter.high_pass_filter_echo_reference) {
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return false;
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}
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if (mono_config.multi_channel.detect_stereo_content !=
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multichannel_config.multi_channel.detect_stereo_content) {
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return false;
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}
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if (mono_config.multi_channel.stereo_detection_timeout_threshold_seconds !=
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multichannel_config.multi_channel
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.stereo_detection_timeout_threshold_seconds) {
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return false;
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}
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return true;
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}
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} // namespace
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ConfigSelector::ConfigSelector(
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const EchoCanceller3Config& config,
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const absl::optional<EchoCanceller3Config>& multichannel_config,
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int num_render_input_channels)
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: config_(config), multichannel_config_(multichannel_config) {
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if (multichannel_config_.has_value()) {
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RTC_DCHECK(CompatibleConfigs(config_, *multichannel_config_));
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}
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Update(!config_.multi_channel.detect_stereo_content &&
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num_render_input_channels > 1);
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RTC_DCHECK(active_config_);
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}
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void ConfigSelector::Update(bool multichannel_content) {
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if (multichannel_content && multichannel_config_.has_value()) {
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active_config_ = &(*multichannel_config_);
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} else {
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active_config_ = &config_;
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}
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}
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} // namespace webrtc
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