c7d0e4265c
When the minimum mic level is overridden via the field trial named WebRTC-Audio-AgcMinMicLevelExperiment, AGC1 can still lower the gain beyond the minimum value (namely, when clipping is observed). This CL changes the behavior of the field trial. When specified, the override always applies and therefore the mic level is guaranteed to never become lower than what the field trial specifies. Tested: RTC call in Chromium with and without --force-fieldtrials=" WebRTC-Audio-AgcMinMicLevelExperiment/Enabled-255" Bug: chromium:1275566 Change-Id: I42ff45add54c11084f5ca6a2b95887c627c3c3aa Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/250141 Reviewed-by: Hanna Silen <silen@webrtc.org> Commit-Queue: Alessio Bazzica <alessiob@webrtc.org> Cr-Commit-Position: refs/heads/main@{#35914}
193 lines
4.9 KiB
Plaintext
193 lines
4.9 KiB
Plaintext
# Copyright (c) 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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import("../../../webrtc.gni")
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rtc_source_set("gain_control_interface") {
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sources = [ "gain_control.h" ]
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}
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rtc_library("agc") {
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sources = [
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"agc_manager_direct.cc",
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"agc_manager_direct.h",
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]
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configs += [ "..:apm_debug_dump" ]
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deps = [
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":clipping_predictor",
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":clipping_predictor_evaluator",
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":gain_control_interface",
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":gain_map",
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":level_estimation",
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"..:apm_logging",
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"..:audio_buffer",
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"..:audio_frame_view",
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"../../../api:array_view",
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"../../../common_audio",
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"../../../common_audio:common_audio_c",
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"../../../rtc_base:checks",
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"../../../rtc_base:gtest_prod",
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"../../../rtc_base:logging",
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"../../../rtc_base:rtc_base_approved",
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"../../../rtc_base:safe_minmax",
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"../../../system_wrappers:field_trial",
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"../../../system_wrappers:metrics",
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"../vad",
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]
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absl_deps = [ "//third_party/abseil-cpp/absl/types:optional" ]
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}
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rtc_library("analog_gain_stats_reporter") {
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sources = [
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"analog_gain_stats_reporter.cc",
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"analog_gain_stats_reporter.h",
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]
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deps = [
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"../../../rtc_base:gtest_prod",
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"../../../rtc_base:logging",
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"../../../rtc_base:safe_minmax",
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"../../../system_wrappers:metrics",
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]
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absl_deps = [ "//third_party/abseil-cpp/absl/types:optional" ]
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}
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rtc_library("clipping_predictor") {
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sources = [
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"clipping_predictor.cc",
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"clipping_predictor.h",
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]
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deps = [
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":clipping_predictor_level_buffer",
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":gain_map",
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"..:api",
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"..:audio_frame_view",
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"../../../common_audio",
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"../../../rtc_base:checks",
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"../../../rtc_base:logging",
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"../../../rtc_base:safe_minmax",
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]
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absl_deps = [ "//third_party/abseil-cpp/absl/types:optional" ]
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}
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rtc_library("clipping_predictor_evaluator") {
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sources = [
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"clipping_predictor_evaluator.cc",
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"clipping_predictor_evaluator.h",
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]
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deps = [
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"../../../rtc_base:checks",
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"../../../rtc_base:logging",
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]
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absl_deps = [ "//third_party/abseil-cpp/absl/types:optional" ]
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}
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rtc_library("clipping_predictor_level_buffer") {
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sources = [
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"clipping_predictor_level_buffer.cc",
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"clipping_predictor_level_buffer.h",
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]
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deps = [
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"../../../rtc_base:checks",
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"../../../rtc_base:logging",
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"../../../rtc_base:rtc_base_approved",
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]
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absl_deps = [ "//third_party/abseil-cpp/absl/types:optional" ]
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}
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rtc_library("level_estimation") {
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sources = [
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"agc.cc",
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"agc.h",
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"loudness_histogram.cc",
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"loudness_histogram.h",
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"utility.cc",
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"utility.h",
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]
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deps = [
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"../../../api:array_view",
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"../../../rtc_base:checks",
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"../vad",
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]
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}
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rtc_library("legacy_agc") {
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visibility = [
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":*",
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"..:*",
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] # Only targets in this file and in
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# audio_processing can depend on
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# this.
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sources = [
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"legacy/analog_agc.cc",
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"legacy/analog_agc.h",
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"legacy/digital_agc.cc",
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"legacy/digital_agc.h",
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"legacy/gain_control.h",
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]
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deps = [
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"../../../common_audio",
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"../../../common_audio:common_audio_c",
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"../../../common_audio/third_party/ooura:fft_size_256",
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"../../../rtc_base:checks",
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"../../../rtc_base:rtc_base_approved",
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"../../../system_wrappers",
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]
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if (rtc_build_with_neon) {
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if (current_cpu != "arm64") {
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# Enable compilation for the NEON instruction set.
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suppressed_configs += [ "//build/config/compiler:compiler_arm_fpu" ]
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cflags = [ "-mfpu=neon" ]
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}
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}
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}
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rtc_source_set("gain_map") {
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sources = [ "gain_map_internal.h" ]
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}
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if (rtc_include_tests) {
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rtc_library("agc_unittests") {
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testonly = true
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sources = [
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"agc_manager_direct_unittest.cc",
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"analog_gain_stats_reporter_unittest.cc",
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"clipping_predictor_evaluator_unittest.cc",
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"clipping_predictor_level_buffer_unittest.cc",
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"clipping_predictor_unittest.cc",
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"loudness_histogram_unittest.cc",
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"mock_agc.h",
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]
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configs += [ "..:apm_debug_dump" ]
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deps = [
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":agc",
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":analog_gain_stats_reporter",
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":clipping_predictor",
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":clipping_predictor_evaluator",
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":clipping_predictor_level_buffer",
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":gain_control_interface",
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":level_estimation",
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"..:mocks",
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"../../../api:array_view",
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"../../../rtc_base:checks",
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"../../../rtc_base:rtc_base_approved",
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"../../../rtc_base:safe_conversions",
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"../../../rtc_base:stringutils",
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"../../../system_wrappers:metrics",
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"../../../test:field_trial",
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"../../../test:fileutils",
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"../../../test:test_support",
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"//testing/gtest",
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]
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absl_deps = [ "//third_party/abseil-cpp/absl/types:optional" ]
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}
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}
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