echo_canceller3_config_json_unittest.cc

/*

 *  Copyright 2018 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 "modules/audio_processing/test/echo_canceller3_config_json.h"

#include "api/audio/echo_canceller3_config.h"

#include "test/gtest.h"

namespace webrtc {

TEST(EchoCanceller3JsonHelpers, ToStringAndParseJson) {

  EchoCanceller3Config cfg;

  cfg.delay.down_sampling_factor = 1u;

  cfg.delay.log_warning_on_delay_changes = true;

  cfg.filter.refined.error_floor = 2.f;

  cfg.filter.coarse_initial.length_blocks = 3u;

  cfg.filter.high_pass_filter_echo_reference =

      !cfg.filter.high_pass_filter_echo_reference;

  cfg.comfort_noise.noise_floor_dbfs = 100.f;

  cfg.echo_model.model_reverb_in_nonlinear_mode = false;

  cfg.suppressor.normal_tuning.mask_hf.enr_suppress = .5f;

  cfg.suppressor.subband_nearend_detection.nearend_average_blocks = 3;

  cfg.suppressor.subband_nearend_detection.subband1 = {1, 3};

  cfg.suppressor.subband_nearend_detection.subband1 = {4, 5};

  cfg.suppressor.subband_nearend_detection.nearend_threshold = 2.f;

  cfg.suppressor.subband_nearend_detection.snr_threshold = 100.f;

  cfg.multi_channel.detect_stereo_content =

      !cfg.multi_channel.detect_stereo_content;

  cfg.multi_channel.stereo_detection_threshold += 1.0f;

  cfg.multi_channel.stereo_detection_timeout_threshold_seconds += 1;

  cfg.multi_channel.stereo_detection_hysteresis_seconds += 1;

  std::string json_string = Aec3ConfigToJsonString(cfg);

  EchoCanceller3Config cfg_transformed;

  bool parsing_successful;

  Aec3ConfigFromJsonString(json_string, &cfg_transformed, & parsing_successful);

  ASSERT_TRUE(parsing_successful);

  // Expect unchanged values to remain default.

  EXPECT_EQ(cfg.ep_strength.default_len,

            cfg_transformed.ep_strength.default_len);

  EXPECT_EQ(cfg.ep_strength.nearend_len,

            cfg_transformed.ep_strength.nearend_len);

  EXPECT_EQ(cfg.suppressor.normal_tuning.mask_lf.enr_suppress,

            cfg_transformed.suppressor.normal_tuning.mask_lf.enr_suppress);

  // Expect changed values to carry through the transformation.

  EXPECT_EQ(cfg.delay.down_sampling_factor,

            cfg_transformed.delay.down_sampling_factor);

  EXPECT_EQ(cfg.delay.log_warning_on_delay_changes,

            cfg_transformed.delay.log_warning_on_delay_changes);

  EXPECT_EQ(cfg.filter.coarse_initial.length_blocks,

            cfg_transformed.filter.coarse_initial.length_blocks);

  EXPECT_EQ(cfg.filter.refined.error_floor,

            cfg_transformed.filter.refined.error_floor);

  EXPECT_EQ(cfg.filter.high_pass_filter_echo_reference,

            cfg_transformed.filter.high_pass_filter_echo_reference);

  EXPECT_EQ(cfg.comfort_noise.noise_floor_dbfs,

            cfg_transformed.comfort_noise.noise_floor_dbfs);

  EXPECT_EQ(cfg.echo_model.model_reverb_in_nonlinear_mode,

            cfg_transformed.echo_model.model_reverb_in_nonlinear_mode);

  EXPECT_EQ(cfg.suppressor.normal_tuning.mask_hf.enr_suppress,

            cfg_transformed.suppressor.normal_tuning.mask_hf.enr_suppress);

  EXPECT_EQ(cfg.suppressor.subband_nearend_detection.nearend_average_blocks,

            cfg_transformed.suppressor.subband_nearend_detection

                .nearend_average_blocks);

  EXPECT_EQ(cfg.suppressor.subband_nearend_detection.subband1.low,

            cfg_transformed.suppressor.subband_nearend_detection.subband1.low);

  EXPECT_EQ(cfg.suppressor.subband_nearend_detection.subband1.high,

            cfg_transformed.suppressor.subband_nearend_detection.subband1.high);

  EXPECT_EQ(cfg.suppressor.subband_nearend_detection.subband2.low,

            cfg_transformed.suppressor.subband_nearend_detection.subband2.low);

  EXPECT_EQ(cfg.suppressor.subband_nearend_detection.subband2.high,

            cfg_transformed.suppressor.subband_nearend_detection.subband2.high);

  EXPECT_EQ(

      cfg.suppressor.subband_nearend_detection.nearend_threshold,

      cfg_transformed.suppressor.subband_nearend_detection.nearend_threshold);

  EXPECT_EQ(cfg.suppressor.subband_nearend_detection.snr_threshold,

            cfg_transformed.suppressor.subband_nearend_detection.snr_threshold);

  EXPECT_EQ(cfg.multi_channel.detect_stereo_content,

            cfg_transformed.multi_channel.detect_stereo_content);

  EXPECT_EQ(cfg.multi_channel.stereo_detection_threshold,

            cfg_transformed.multi_channel.stereo_detection_threshold);

  EXPECT_EQ(

      cfg.multi_channel.stereo_detection_timeout_threshold_seconds,

      cfg_transformed.multi_channel.stereo_detection_timeout_threshold_seconds);

  EXPECT_EQ(cfg.multi_channel.stereo_detection_hysteresis_seconds,

            cfg_transformed.multi_channel.stereo_detection_hysteresis_seconds);

}  // namespace webrtc