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/*
* Copyright (c) 2022 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/aec3/config_selector.h"
#include <optional>
#include <tuple>
#include "api/audio/echo_canceller3_config.h"
#include "test/gtest.h"
namespace webrtc {
class ConfigSelectorChannelsAndContentDetection
: public ::testing::Test,
public ::testing::WithParamInterface<std::tuple<int, bool>> {};
INSTANTIATE_TEST_SUITE_P(ConfigSelectorMultiParameters,
ConfigSelectorChannelsAndContentDetection,
::testing::Combine(::testing::Values(1, 2, 8),
::testing::Values(false, true)));
class ConfigSelectorChannels : public ::testing::Test,
public ::testing::WithParamInterface<int> {};
INSTANTIATE_TEST_SUITE_P(ConfigSelectorMultiParameters,
ConfigSelectorChannels,
::testing::Values(1, 2, 8));
TEST_P(ConfigSelectorChannelsAndContentDetection,
MonoConfigIsSelectedWhenNoMultiChannelConfigPresent) {
const auto [num_channels, detect_stereo_content] = GetParam();
EchoCanceller3Config config;
config.multi_channel.detect_stereo_content = detect_stereo_content;
std::optional<EchoCanceller3Config> multichannel_config;
config.delay.default_delay = config.delay.default_delay + 1;
const size_t custom_delay_value_in_config = config.delay.default_delay;
ConfigSelector cs(config, multichannel_config,
/*num_render_input_channels=*/num_channels);
EXPECT_EQ(cs.active_config().delay.default_delay,
custom_delay_value_in_config);
cs.Update(/*multichannel_content=*/false);
EXPECT_EQ(cs.active_config().delay.default_delay,
custom_delay_value_in_config);
cs.Update(/*multichannel_content=*/true);
EXPECT_EQ(cs.active_config().delay.default_delay,
custom_delay_value_in_config);
}
TEST_P(ConfigSelectorChannelsAndContentDetection,
CorrectInitialConfigIsSelected) {
const auto [num_channels, detect_stereo_content] = GetParam();
EchoCanceller3Config config;
config.multi_channel.detect_stereo_content = detect_stereo_content;
std::optional<EchoCanceller3Config> multichannel_config = config;
config.delay.default_delay += 1;
const size_t custom_delay_value_in_config = config.delay.default_delay;
multichannel_config->delay.default_delay += 2;
const size_t custom_delay_value_in_multichannel_config =
multichannel_config->delay.default_delay;
ConfigSelector cs(config, multichannel_config,
/*num_render_input_channels=*/num_channels);
if (num_channels == 1 || detect_stereo_content) {
EXPECT_EQ(cs.active_config().delay.default_delay,
custom_delay_value_in_config);
} else {
EXPECT_EQ(cs.active_config().delay.default_delay,
custom_delay_value_in_multichannel_config);
}
}
TEST_P(ConfigSelectorChannels, CorrectConfigUpdateBehavior) {
const int num_channels = GetParam();
EchoCanceller3Config config;
config.multi_channel.detect_stereo_content = true;
std::optional<EchoCanceller3Config> multichannel_config = config;
config.delay.default_delay += 1;
const size_t custom_delay_value_in_config = config.delay.default_delay;
multichannel_config->delay.default_delay += 2;
const size_t custom_delay_value_in_multichannel_config =
multichannel_config->delay.default_delay;
ConfigSelector cs(config, multichannel_config,
/*num_render_input_channels=*/num_channels);
cs.Update(/*multichannel_content=*/false);
EXPECT_EQ(cs.active_config().delay.default_delay,
custom_delay_value_in_config);
if (num_channels == 1) {
cs.Update(/*multichannel_content=*/false);
EXPECT_EQ(cs.active_config().delay.default_delay,
custom_delay_value_in_config);
} else {
cs.Update(/*multichannel_content=*/true);
EXPECT_EQ(cs.active_config().delay.default_delay,
custom_delay_value_in_multichannel_config);
}
}
} // namespace webrtc
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