AGC2 config operator= and unit tests update

Bug: webrtc:7494
Change-Id: I7957602d60658b84175a617f9c283ea44eafe57d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/216260
Commit-Queue: Alessio Bazzica <alessiob@webrtc.org>
Reviewed-by: Sam Zackrisson <saza@google.com>
Cr-Commit-Position: refs/heads/master@{#33876}
diff --git a/modules/audio_processing/audio_processing_unittest.cc b/modules/audio_processing/audio_processing_unittest.cc
index 3d562df..4d30a34 100644
--- a/modules/audio_processing/audio_processing_unittest.cc
+++ b/modules/audio_processing/audio_processing_unittest.cc
@@ -3039,50 +3039,50 @@
 
   Toggle(a.enabled);
   EXPECT_NE(a, b);
-  a.enabled = b.enabled;
+  a = b;
 
   a.mode = AudioProcessing::Config::GainController1::Mode::kAdaptiveDigital;
   EXPECT_NE(a, b);
-  a.mode = b.mode;
+  a = b;
 
   a.target_level_dbfs++;
   EXPECT_NE(a, b);
-  a.target_level_dbfs = b.target_level_dbfs;
+  a = b;
 
   a.compression_gain_db++;
   EXPECT_NE(a, b);
-  a.compression_gain_db = b.compression_gain_db;
+  a = b;
 
   Toggle(a.enable_limiter);
   EXPECT_NE(a, b);
-  a.enable_limiter = b.enable_limiter;
+  a = b;
 
   a.analog_level_minimum++;
   EXPECT_NE(a, b);
-  a.analog_level_minimum = b.analog_level_minimum;
+  a = b;
 
   a.analog_level_maximum--;
   EXPECT_NE(a, b);
-  a.analog_level_maximum = b.analog_level_maximum;
+  a = b;
 
   auto& a_analog = a.analog_gain_controller;
   const auto& b_analog = b.analog_gain_controller;
 
   Toggle(a_analog.enabled);
   EXPECT_NE(a, b);
-  a_analog.enabled = b_analog.enabled;
+  a_analog = b_analog;
 
   a_analog.startup_min_volume++;
   EXPECT_NE(a, b);
-  a_analog.startup_min_volume = b_analog.startup_min_volume;
+  a_analog = b_analog;
 
   a_analog.clipped_level_min++;
   EXPECT_NE(a, b);
-  a_analog.clipped_level_min = b_analog.clipped_level_min;
+  a_analog = b_analog;
 
   Toggle(a_analog.enable_digital_adaptive);
   EXPECT_NE(a, b);
-  a_analog.enable_digital_adaptive = b_analog.enable_digital_adaptive;
+  a_analog = b_analog;
 }
 
 TEST(AudioProcessing, GainController2ConfigEqual) {
@@ -3094,7 +3094,7 @@
   b.enabled = a.enabled;
   EXPECT_EQ(a, b);
 
-  a.fixed_digital.gain_db += 1.f;
+  a.fixed_digital.gain_db += 1.0f;
   b.fixed_digital.gain_db = a.fixed_digital.gain_db;
   EXPECT_EQ(a, b);
 
@@ -3105,47 +3105,45 @@
   b_adaptive.enabled = a_adaptive.enabled;
   EXPECT_EQ(a, b);
 
-  a_adaptive.vad_probability_attack += 1.f;
-  b_adaptive.vad_probability_attack = a_adaptive.vad_probability_attack;
+  Toggle(a_adaptive.dry_run);
+  b_adaptive.dry_run = a_adaptive.dry_run;
   EXPECT_EQ(a, b);
 
-  a_adaptive.level_estimator =
-      AudioProcessing::Config::GainController2::LevelEstimator::kPeak;
-  b_adaptive.level_estimator = a_adaptive.level_estimator;
+  a_adaptive.noise_estimator = AudioProcessing::Config::GainController2::
+      NoiseEstimator::kStationaryNoise;
+  b_adaptive.noise_estimator = a_adaptive.noise_estimator;
   EXPECT_EQ(a, b);
 
-  a_adaptive.level_estimator_adjacent_speech_frames_threshold++;
-  b_adaptive.level_estimator_adjacent_speech_frames_threshold =
-      a_adaptive.level_estimator_adjacent_speech_frames_threshold;
+  a_adaptive.vad_reset_period_ms++;
+  b_adaptive.vad_reset_period_ms = a_adaptive.vad_reset_period_ms;
   EXPECT_EQ(a, b);
 
-  Toggle(a_adaptive.use_saturation_protector);
-  b_adaptive.use_saturation_protector = a_adaptive.use_saturation_protector;
+  a_adaptive.adjacent_speech_frames_threshold++;
+  b_adaptive.adjacent_speech_frames_threshold =
+      a_adaptive.adjacent_speech_frames_threshold;
   EXPECT_EQ(a, b);
 
-  a_adaptive.initial_saturation_margin_db += 1.f;
-  b_adaptive.initial_saturation_margin_db =
-      a_adaptive.initial_saturation_margin_db;
-  EXPECT_EQ(a, b);
-
-  a_adaptive.extra_saturation_margin_db += 1.f;
-  b_adaptive.extra_saturation_margin_db = a_adaptive.extra_saturation_margin_db;
-  EXPECT_EQ(a, b);
-
-  a_adaptive.gain_applier_adjacent_speech_frames_threshold++;
-  b_adaptive.gain_applier_adjacent_speech_frames_threshold =
-      a_adaptive.gain_applier_adjacent_speech_frames_threshold;
-  EXPECT_EQ(a, b);
-
-  a_adaptive.max_gain_change_db_per_second += 1.f;
+  a_adaptive.max_gain_change_db_per_second += 1.0f;
   b_adaptive.max_gain_change_db_per_second =
       a_adaptive.max_gain_change_db_per_second;
   EXPECT_EQ(a, b);
 
-  a_adaptive.max_output_noise_level_dbfs -= 1.f;
+  a_adaptive.max_output_noise_level_dbfs += 1.0f;
   b_adaptive.max_output_noise_level_dbfs =
       a_adaptive.max_output_noise_level_dbfs;
   EXPECT_EQ(a, b);
+
+  Toggle(a_adaptive.sse2_allowed);
+  b_adaptive.sse2_allowed = a_adaptive.sse2_allowed;
+  EXPECT_EQ(a, b);
+
+  Toggle(a_adaptive.avx2_allowed);
+  b_adaptive.avx2_allowed = a_adaptive.avx2_allowed;
+  EXPECT_EQ(a, b);
+
+  Toggle(a_adaptive.neon_allowed);
+  b_adaptive.neon_allowed = a_adaptive.neon_allowed;
+  EXPECT_EQ(a, b);
 }
 
 // Checks that one differing parameter is sufficient to make two configs
@@ -3156,60 +3154,55 @@
 
   Toggle(a.enabled);
   EXPECT_NE(a, b);
-  a.enabled = b.enabled;
+  a = b;
 
-  a.fixed_digital.gain_db += 1.f;
+  a.fixed_digital.gain_db += 1.0f;
   EXPECT_NE(a, b);
-  a.fixed_digital.gain_db = b.fixed_digital.gain_db;
+  a.fixed_digital = b.fixed_digital;
 
   auto& a_adaptive = a.adaptive_digital;
   const auto& b_adaptive = b.adaptive_digital;
 
   Toggle(a_adaptive.enabled);
   EXPECT_NE(a, b);
-  a_adaptive.enabled = b_adaptive.enabled;
+  a_adaptive = b_adaptive;
 
-  a_adaptive.vad_probability_attack += 1.f;
+  Toggle(a_adaptive.dry_run);
   EXPECT_NE(a, b);
-  a_adaptive.vad_probability_attack = b_adaptive.vad_probability_attack;
+  a_adaptive = b_adaptive;
 
-  a_adaptive.level_estimator =
-      AudioProcessing::Config::GainController2::LevelEstimator::kPeak;
+  a_adaptive.noise_estimator = AudioProcessing::Config::GainController2::
+      NoiseEstimator::kStationaryNoise;
   EXPECT_NE(a, b);
-  a_adaptive.level_estimator = b_adaptive.level_estimator;
+  a_adaptive = b_adaptive;
 
-  a_adaptive.level_estimator_adjacent_speech_frames_threshold++;
+  a_adaptive.vad_reset_period_ms++;
   EXPECT_NE(a, b);
-  a_adaptive.level_estimator_adjacent_speech_frames_threshold =
-      b_adaptive.level_estimator_adjacent_speech_frames_threshold;
+  a_adaptive = b_adaptive;
 
-  Toggle(a_adaptive.use_saturation_protector);
+  a_adaptive.adjacent_speech_frames_threshold++;
   EXPECT_NE(a, b);
-  a_adaptive.use_saturation_protector = b_adaptive.use_saturation_protector;
+  a_adaptive = b_adaptive;
 
-  a_adaptive.initial_saturation_margin_db += 1.f;
+  a_adaptive.max_gain_change_db_per_second += 1.0f;
   EXPECT_NE(a, b);
-  a_adaptive.initial_saturation_margin_db =
-      b_adaptive.initial_saturation_margin_db;
+  a_adaptive = b_adaptive;
 
-  a_adaptive.extra_saturation_margin_db += 1.f;
+  a_adaptive.max_output_noise_level_dbfs += 1.0f;
   EXPECT_NE(a, b);
-  a_adaptive.extra_saturation_margin_db = b_adaptive.extra_saturation_margin_db;
+  a_adaptive = b_adaptive;
 
-  a_adaptive.gain_applier_adjacent_speech_frames_threshold++;
+  Toggle(a_adaptive.sse2_allowed);
   EXPECT_NE(a, b);
-  a_adaptive.gain_applier_adjacent_speech_frames_threshold =
-      b_adaptive.gain_applier_adjacent_speech_frames_threshold;
+  a_adaptive = b_adaptive;
 
-  a_adaptive.max_gain_change_db_per_second += 1.f;
+  Toggle(a_adaptive.avx2_allowed);
   EXPECT_NE(a, b);
-  a_adaptive.max_gain_change_db_per_second =
-      b_adaptive.max_gain_change_db_per_second;
+  a_adaptive = b_adaptive;
 
-  a_adaptive.max_output_noise_level_dbfs -= 1.f;
+  Toggle(a_adaptive.neon_allowed);
   EXPECT_NE(a, b);
-  a_adaptive.max_output_noise_level_dbfs =
-      b_adaptive.max_output_noise_level_dbfs;
+  a_adaptive = b_adaptive;
 }
 
 }  // namespace webrtc
diff --git a/modules/audio_processing/include/audio_processing.cc b/modules/audio_processing/include/audio_processing.cc
index fa45230..fc0263c 100644
--- a/modules/audio_processing/include/audio_processing.cc
+++ b/modules/audio_processing/include/audio_processing.cc
@@ -80,30 +80,23 @@
              analog_rhs.enable_digital_adaptive;
 }
 
-bool Agc2Config::operator==(const Agc2Config& rhs) const {
-  const auto& adaptive_lhs = adaptive_digital;
-  const auto& adaptive_rhs = rhs.adaptive_digital;
+bool Agc2Config::AdaptiveDigital::operator==(
+    const Agc2Config::AdaptiveDigital& rhs) const {
+  return enabled == rhs.enabled && dry_run == rhs.dry_run &&
+         noise_estimator == rhs.noise_estimator &&
+         vad_reset_period_ms == rhs.vad_reset_period_ms &&
+         adjacent_speech_frames_threshold ==
+             rhs.adjacent_speech_frames_threshold &&
+         max_gain_change_db_per_second == rhs.max_gain_change_db_per_second &&
+         max_output_noise_level_dbfs == rhs.max_output_noise_level_dbfs &&
+         sse2_allowed == rhs.sse2_allowed && avx2_allowed == rhs.avx2_allowed &&
+         neon_allowed == rhs.neon_allowed;
+}
 
+bool Agc2Config::operator==(const Agc2Config& rhs) const {
   return enabled == rhs.enabled &&
          fixed_digital.gain_db == rhs.fixed_digital.gain_db &&
-         adaptive_lhs.enabled == adaptive_rhs.enabled &&
-         adaptive_lhs.vad_probability_attack ==
-             adaptive_rhs.vad_probability_attack &&
-         adaptive_lhs.level_estimator == adaptive_rhs.level_estimator &&
-         adaptive_lhs.level_estimator_adjacent_speech_frames_threshold ==
-             adaptive_rhs.level_estimator_adjacent_speech_frames_threshold &&
-         adaptive_lhs.use_saturation_protector ==
-             adaptive_rhs.use_saturation_protector &&
-         adaptive_lhs.initial_saturation_margin_db ==
-             adaptive_rhs.initial_saturation_margin_db &&
-         adaptive_lhs.extra_saturation_margin_db ==
-             adaptive_rhs.extra_saturation_margin_db &&
-         adaptive_lhs.gain_applier_adjacent_speech_frames_threshold ==
-             adaptive_rhs.gain_applier_adjacent_speech_frames_threshold &&
-         adaptive_lhs.max_gain_change_db_per_second ==
-             adaptive_rhs.max_gain_change_db_per_second &&
-         adaptive_lhs.max_output_noise_level_dbfs ==
-             adaptive_rhs.max_output_noise_level_dbfs;
+         adaptive_digital == rhs.adaptive_digital;
 }
 
 bool AudioProcessing::Config::CaptureLevelAdjustment::operator==(
@@ -160,7 +153,9 @@
       << ", fixed_digital: { gain_db: "
       << gain_controller2.fixed_digital.gain_db
       << " }, adaptive_digital: { enabled: "
-      << gain_controller2.adaptive_digital.enabled << ", noise_estimator: "
+      << gain_controller2.adaptive_digital.enabled
+      << ", dry_run: " << gain_controller2.adaptive_digital.dry_run
+      << ", noise_estimator: "
       << GainController2NoiseEstimatorToString(
              gain_controller2.adaptive_digital.noise_estimator)
       << ", vad_reset_period_ms: "
diff --git a/modules/audio_processing/include/audio_processing.h b/modules/audio_processing/include/audio_processing.h
index 8072230..9e6eed4 100644
--- a/modules/audio_processing/include/audio_processing.h
+++ b/modules/audio_processing/include/audio_processing.h
@@ -357,7 +357,13 @@
         float gain_db = 0.0f;
       } fixed_digital;
       struct AdaptiveDigital {
+        bool operator==(const AdaptiveDigital& rhs) const;
+        bool operator!=(const AdaptiveDigital& rhs) const {
+          return !(*this == rhs);
+        }
+
         bool enabled = false;
+        // Run the adaptive digital controller but the signal is not modified.
         bool dry_run = false;
         NoiseEstimator noise_estimator = kNoiseFloor;
         int vad_reset_period_ms = 1500;