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Even if playout audio is only very briefly stereo, the AEC will enter stereo processing mode. To save CPU and improve AEC performance, this CL adds a hysteresis period before treating playout as stereo. The feature is enabled by default in the AEC3 config. Bug: chromium:1295710 Change-Id: I29116ab2e7823e25a02aa3b66a1c619f1d966d9e Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/258479 Reviewed-by: Per Åhgren <peah@webrtc.org> Commit-Queue: Sam Zackrisson <saza@webrtc.org> Cr-Commit-Position: refs/heads/main@{#36503}
93 lines
4.8 KiB
C++
93 lines
4.8 KiB
C++
/*
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* Copyright 2018 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 "api/audio/echo_canceller3_config_json.h"
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#include "api/audio/echo_canceller3_config.h"
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#include "test/gtest.h"
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namespace webrtc {
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TEST(EchoCanceller3JsonHelpers, ToStringAndParseJson) {
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EchoCanceller3Config cfg;
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cfg.delay.down_sampling_factor = 1u;
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cfg.delay.log_warning_on_delay_changes = true;
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cfg.filter.refined.error_floor = 2.f;
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cfg.filter.coarse_initial.length_blocks = 3u;
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cfg.filter.high_pass_filter_echo_reference =
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!cfg.filter.high_pass_filter_echo_reference;
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cfg.comfort_noise.noise_floor_dbfs = 100.f;
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cfg.echo_model.model_reverb_in_nonlinear_mode = false;
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cfg.suppressor.normal_tuning.mask_hf.enr_suppress = .5f;
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cfg.suppressor.subband_nearend_detection.nearend_average_blocks = 3;
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cfg.suppressor.subband_nearend_detection.subband1 = {1, 3};
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cfg.suppressor.subband_nearend_detection.subband1 = {4, 5};
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cfg.suppressor.subband_nearend_detection.nearend_threshold = 2.f;
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cfg.suppressor.subband_nearend_detection.snr_threshold = 100.f;
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cfg.multi_channel.detect_stereo_content =
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!cfg.multi_channel.detect_stereo_content;
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cfg.multi_channel.stereo_detection_threshold += 1.0f;
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cfg.multi_channel.stereo_detection_timeout_threshold_seconds += 1;
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cfg.multi_channel.stereo_detection_hysteresis_seconds += 1;
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std::string json_string = Aec3ConfigToJsonString(cfg);
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EchoCanceller3Config cfg_transformed = Aec3ConfigFromJsonString(json_string);
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// Expect unchanged values to remain default.
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EXPECT_EQ(cfg.ep_strength.default_len,
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cfg_transformed.ep_strength.default_len);
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EXPECT_EQ(cfg.ep_strength.nearend_len,
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cfg_transformed.ep_strength.nearend_len);
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EXPECT_EQ(cfg.suppressor.normal_tuning.mask_lf.enr_suppress,
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cfg_transformed.suppressor.normal_tuning.mask_lf.enr_suppress);
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// Expect changed values to carry through the transformation.
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EXPECT_EQ(cfg.delay.down_sampling_factor,
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cfg_transformed.delay.down_sampling_factor);
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EXPECT_EQ(cfg.delay.log_warning_on_delay_changes,
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cfg_transformed.delay.log_warning_on_delay_changes);
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EXPECT_EQ(cfg.filter.coarse_initial.length_blocks,
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cfg_transformed.filter.coarse_initial.length_blocks);
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EXPECT_EQ(cfg.filter.refined.error_floor,
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cfg_transformed.filter.refined.error_floor);
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EXPECT_EQ(cfg.filter.high_pass_filter_echo_reference,
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cfg_transformed.filter.high_pass_filter_echo_reference);
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EXPECT_EQ(cfg.comfort_noise.noise_floor_dbfs,
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cfg_transformed.comfort_noise.noise_floor_dbfs);
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EXPECT_EQ(cfg.echo_model.model_reverb_in_nonlinear_mode,
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cfg_transformed.echo_model.model_reverb_in_nonlinear_mode);
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EXPECT_EQ(cfg.suppressor.normal_tuning.mask_hf.enr_suppress,
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cfg_transformed.suppressor.normal_tuning.mask_hf.enr_suppress);
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EXPECT_EQ(cfg.suppressor.subband_nearend_detection.nearend_average_blocks,
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cfg_transformed.suppressor.subband_nearend_detection
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.nearend_average_blocks);
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EXPECT_EQ(cfg.suppressor.subband_nearend_detection.subband1.low,
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cfg_transformed.suppressor.subband_nearend_detection.subband1.low);
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EXPECT_EQ(cfg.suppressor.subband_nearend_detection.subband1.high,
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cfg_transformed.suppressor.subband_nearend_detection.subband1.high);
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EXPECT_EQ(cfg.suppressor.subband_nearend_detection.subband2.low,
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cfg_transformed.suppressor.subband_nearend_detection.subband2.low);
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EXPECT_EQ(cfg.suppressor.subband_nearend_detection.subband2.high,
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cfg_transformed.suppressor.subband_nearend_detection.subband2.high);
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EXPECT_EQ(
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cfg.suppressor.subband_nearend_detection.nearend_threshold,
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cfg_transformed.suppressor.subband_nearend_detection.nearend_threshold);
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EXPECT_EQ(cfg.suppressor.subband_nearend_detection.snr_threshold,
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cfg_transformed.suppressor.subband_nearend_detection.snr_threshold);
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EXPECT_EQ(cfg.multi_channel.detect_stereo_content,
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cfg_transformed.multi_channel.detect_stereo_content);
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EXPECT_EQ(cfg.multi_channel.stereo_detection_threshold,
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cfg_transformed.multi_channel.stereo_detection_threshold);
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EXPECT_EQ(
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cfg.multi_channel.stereo_detection_timeout_threshold_seconds,
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cfg_transformed.multi_channel.stereo_detection_timeout_threshold_seconds);
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EXPECT_EQ(cfg.multi_channel.stereo_detection_hysteresis_seconds,
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cfg_transformed.multi_channel.stereo_detection_hysteresis_seconds);
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}
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} // namespace webrtc
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