commit a6574909e9d4509503f7887d938f21c4411f489c
author Hanna Silen <silen@webrtc.org> Wed Nov 30 16:59:05 2022 +0100
committer WebRTC LUCI CQ <webrtc-scoped@luci-project-accounts.iam.gserviceaccount.com> Wed Nov 30 17:26:45 2022 +0000
tree 06ba6208c88b3e0879569cb56ff99d1a84e837cc
parent c19ec96bd7b55f1682b008f7ad586445eb7a343e

APM: Add a field trial for input volume controller

Add a field trial WebRTC-Audio-InputVolumeControllerExperiment and
a mechanism to adjust the config accordingly. Pass the additional
input volume controller config to GainController2.

Bug: webrtc:7494
Change-Id: I3dd624df1f4774cb533417747627995e1f60aa68
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/284101
Reviewed-by: Alessio Bazzica <alessiob@webrtc.org>
Reviewed-by: Per Åhgren <peah@webrtc.org>
Reviewed-by: Sam Zackrisson <saza@webrtc.org>
Commit-Queue: Hanna Silen <silen@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38780}

modules/audio_processing/audio_processing_impl.h

diff --git a/modules/audio_processing/audio_processing_impl.h b/modules/audio_processing/audio_processing_impl.h
index 191a3ee..9a30c8b 100644
--- a/modules/audio_processing/audio_processing_impl.h
+++ b/modules/audio_processing/audio_processing_impl.h
@@ -160,6 +160,9 @@
                            ReinitializeTransientSuppressor);
   FRIEND_TEST_ALL_PREFIXES(ApmWithSubmodulesExcludedTest,
                            BitexactWithDisabledModules);
+  FRIEND_TEST_ALL_PREFIXES(
+      AudioProcessingImplInputVolumeControllerExperimentParametrizedTest,
+      ConfigAdjustedWhenExperimentEnabled);
 
   void set_stream_analog_level_locked(int level)
       RTC_EXCLUSIVE_LOCKS_REQUIRED(mutex_capture_);
@@ -188,6 +191,12 @@
   static std::atomic<int> instance_count_;
   const bool use_setup_specific_default_aec3_config_;
 
+  // TODO(bugs.webrtc.org/7494): Remove the the config when the field trial is
+  // removed. "WebRTC-Audio-InputVolumeControllerExperiment" field trial
+  // override for the input volume controller config.
+  const absl::optional<InputVolumeController::Config>
+      input_volume_controller_config_override_;
+
   const bool use_denormal_disabler_;
 
   const TransientSuppressor::VadMode transient_suppressor_vad_mode_;