1 files changed, 210 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_processing/include/audio_processing.cc b/third_party/libwebrtc/modules/audio_processing/include/audio_processing.cc
new file mode 100644
index 0000000000..13ddcc588a
--- /dev/null
+++ b/third_party/libwebrtc/modules/audio_processing/include/audio_processing.cc
@@ -0,0 +1,210 @@
+/*
+ *  Copyright (c) 2016 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/include/audio_processing.h"
+
+#include "rtc_base/strings/string_builder.h"
+#include "rtc_base/system/arch.h"
+
+namespace webrtc {
+namespace {
+
+using Agc1Config = AudioProcessing::Config::GainController1;
+using Agc2Config = AudioProcessing::Config::GainController2;
+
+std::string NoiseSuppressionLevelToString(
+    const AudioProcessing::Config::NoiseSuppression::Level& level) {
+  switch (level) {
+    case AudioProcessing::Config::NoiseSuppression::Level::kLow:
+      return "Low";
+    case AudioProcessing::Config::NoiseSuppression::Level::kModerate:
+      return "Moderate";
+    case AudioProcessing::Config::NoiseSuppression::Level::kHigh:
+      return "High";
+    case AudioProcessing::Config::NoiseSuppression::Level::kVeryHigh:
+      return "VeryHigh";
+  }
+  RTC_CHECK_NOTREACHED();
+}
+
+std::string GainController1ModeToString(const Agc1Config::Mode& mode) {
+  switch (mode) {
+    case Agc1Config::Mode::kAdaptiveAnalog:
+      return "AdaptiveAnalog";
+    case Agc1Config::Mode::kAdaptiveDigital:
+      return "AdaptiveDigital";
+    case Agc1Config::Mode::kFixedDigital:
+      return "FixedDigital";
+  }
+  RTC_CHECK_NOTREACHED();
+}
+
+}  // namespace
+
+constexpr int AudioProcessing::kNativeSampleRatesHz[];
+
+void CustomProcessing::SetRuntimeSetting(
+    AudioProcessing::RuntimeSetting setting) {}
+
+bool Agc1Config::operator==(const Agc1Config& rhs) const {
+  const auto& analog_lhs = analog_gain_controller;
+  const auto& analog_rhs = rhs.analog_gain_controller;
+  return enabled == rhs.enabled && mode == rhs.mode &&
+         target_level_dbfs == rhs.target_level_dbfs &&
+         compression_gain_db == rhs.compression_gain_db &&
+         enable_limiter == rhs.enable_limiter &&
+         analog_lhs.enabled == analog_rhs.enabled &&
+         analog_lhs.startup_min_volume == analog_rhs.startup_min_volume &&
+         analog_lhs.clipped_level_min == analog_rhs.clipped_level_min &&
+         analog_lhs.enable_digital_adaptive ==
+             analog_rhs.enable_digital_adaptive &&
+         analog_lhs.clipped_level_step == analog_rhs.clipped_level_step &&
+         analog_lhs.clipped_ratio_threshold ==
+             analog_rhs.clipped_ratio_threshold &&
+         analog_lhs.clipped_wait_frames == analog_rhs.clipped_wait_frames &&
+         analog_lhs.clipping_predictor.mode ==
+             analog_rhs.clipping_predictor.mode &&
+         analog_lhs.clipping_predictor.window_length ==
+             analog_rhs.clipping_predictor.window_length &&
+         analog_lhs.clipping_predictor.reference_window_length ==
+             analog_rhs.clipping_predictor.reference_window_length &&
+         analog_lhs.clipping_predictor.reference_window_delay ==
+             analog_rhs.clipping_predictor.reference_window_delay &&
+         analog_lhs.clipping_predictor.clipping_threshold ==
+             analog_rhs.clipping_predictor.clipping_threshold &&
+         analog_lhs.clipping_predictor.crest_factor_margin ==
+             analog_rhs.clipping_predictor.crest_factor_margin &&
+         analog_lhs.clipping_predictor.use_predicted_step ==
+             analog_rhs.clipping_predictor.use_predicted_step;
+}
+
+bool Agc2Config::AdaptiveDigital::operator==(
+    const Agc2Config::AdaptiveDigital& rhs) const {
+  return enabled == rhs.enabled && headroom_db == rhs.headroom_db &&
+         max_gain_db == rhs.max_gain_db &&
+         initial_gain_db == rhs.initial_gain_db &&
+         max_gain_change_db_per_second == rhs.max_gain_change_db_per_second &&
+         max_output_noise_level_dbfs == rhs.max_output_noise_level_dbfs;
+}
+
+bool Agc2Config::InputVolumeController::operator==(
+    const Agc2Config::InputVolumeController& rhs) const {
+  return enabled == rhs.enabled;
+}
+
+bool Agc2Config::operator==(const Agc2Config& rhs) const {
+  return enabled == rhs.enabled &&
+         fixed_digital.gain_db == rhs.fixed_digital.gain_db &&
+         adaptive_digital == rhs.adaptive_digital &&
+         input_volume_controller == rhs.input_volume_controller;
+}
+
+bool AudioProcessing::Config::CaptureLevelAdjustment::operator==(
+    const AudioProcessing::Config::CaptureLevelAdjustment& rhs) const {
+  return enabled == rhs.enabled && pre_gain_factor == rhs.pre_gain_factor &&
+         post_gain_factor == rhs.post_gain_factor &&
+         analog_mic_gain_emulation == rhs.analog_mic_gain_emulation;
+}
+
+bool AudioProcessing::Config::CaptureLevelAdjustment::AnalogMicGainEmulation::
+operator==(const AudioProcessing::Config::CaptureLevelAdjustment::
+               AnalogMicGainEmulation& rhs) const {
+  return enabled == rhs.enabled && initial_level == rhs.initial_level;
+}
+
+std::string AudioProcessing::Config::ToString() const {
+  char buf[2048];
+  rtc::SimpleStringBuilder builder(buf);
+  builder << "AudioProcessing::Config{ "
+             "pipeline: { "
+             "maximum_internal_processing_rate: "
+          << pipeline.maximum_internal_processing_rate
+          << ", multi_channel_render: " << pipeline.multi_channel_render
+          << ", multi_channel_capture: " << pipeline.multi_channel_capture
+          << " }, pre_amplifier: { enabled: " << pre_amplifier.enabled
+          << ", fixed_gain_factor: " << pre_amplifier.fixed_gain_factor
+          << " },capture_level_adjustment: { enabled: "
+          << capture_level_adjustment.enabled
+          << ", pre_gain_factor: " << capture_level_adjustment.pre_gain_factor
+          << ", post_gain_factor: " << capture_level_adjustment.post_gain_factor
+          << ", analog_mic_gain_emulation: { enabled: "
+          << capture_level_adjustment.analog_mic_gain_emulation.enabled
+          << ", initial_level: "
+          << capture_level_adjustment.analog_mic_gain_emulation.initial_level
+          << " }}, high_pass_filter: { enabled: " << high_pass_filter.enabled
+          << " }, echo_canceller: { enabled: " << echo_canceller.enabled
+          << ", mobile_mode: " << echo_canceller.mobile_mode
+          << ", enforce_high_pass_filtering: "
+          << echo_canceller.enforce_high_pass_filtering
+          << " }, noise_suppression: { enabled: " << noise_suppression.enabled
+          << ", level: "
+          << NoiseSuppressionLevelToString(noise_suppression.level)
+          << " }, transient_suppression: { enabled: "
+          << transient_suppression.enabled
+          << " }, gain_controller1: { enabled: " << gain_controller1.enabled
+          << ", mode: " << GainController1ModeToString(gain_controller1.mode)
+          << ", target_level_dbfs: " << gain_controller1.target_level_dbfs
+          << ", compression_gain_db: " << gain_controller1.compression_gain_db
+          << ", enable_limiter: " << gain_controller1.enable_limiter
+          << ", analog_gain_controller { enabled: "
+          << gain_controller1.analog_gain_controller.enabled
+          << ", startup_min_volume: "
+          << gain_controller1.analog_gain_controller.startup_min_volume
+          << ", clipped_level_min: "
+          << gain_controller1.analog_gain_controller.clipped_level_min
+          << ", enable_digital_adaptive: "
+          << gain_controller1.analog_gain_controller.enable_digital_adaptive
+          << ", clipped_level_step: "
+          << gain_controller1.analog_gain_controller.clipped_level_step
+          << ", clipped_ratio_threshold: "
+          << gain_controller1.analog_gain_controller.clipped_ratio_threshold
+          << ", clipped_wait_frames: "
+          << gain_controller1.analog_gain_controller.clipped_wait_frames
+          << ", clipping_predictor:  { enabled: "
+          << gain_controller1.analog_gain_controller.clipping_predictor.enabled
+          << ", mode: "
+          << gain_controller1.analog_gain_controller.clipping_predictor.mode
+          << ", window_length: "
+          << gain_controller1.analog_gain_controller.clipping_predictor
+                 .window_length
+          << ", reference_window_length: "
+          << gain_controller1.analog_gain_controller.clipping_predictor
+                 .reference_window_length
+          << ", reference_window_delay: "
+          << gain_controller1.analog_gain_controller.clipping_predictor
+                 .reference_window_delay
+          << ", clipping_threshold: "
+          << gain_controller1.analog_gain_controller.clipping_predictor
+                 .clipping_threshold
+          << ", crest_factor_margin: "
+          << gain_controller1.analog_gain_controller.clipping_predictor
+                 .crest_factor_margin
+          << ", use_predicted_step: "
+          << gain_controller1.analog_gain_controller.clipping_predictor
+                 .use_predicted_step
+          << " }}}, gain_controller2: { enabled: " << gain_controller2.enabled
+          << ", fixed_digital: { gain_db: "
+          << gain_controller2.fixed_digital.gain_db
+          << " }, adaptive_digital: { enabled: "
+          << gain_controller2.adaptive_digital.enabled
+          << ", headroom_db: " << gain_controller2.adaptive_digital.headroom_db
+          << ", max_gain_db: " << gain_controller2.adaptive_digital.max_gain_db
+          << ", initial_gain_db: "
+          << gain_controller2.adaptive_digital.initial_gain_db
+          << ", max_gain_change_db_per_second: "
+          << gain_controller2.adaptive_digital.max_gain_change_db_per_second
+          << ", max_output_noise_level_dbfs: "
+          << gain_controller2.adaptive_digital.max_output_noise_level_dbfs
+          << " }, input_volume_control : { enabled "
+          << gain_controller2.input_volume_controller.enabled << "}}";
+  return builder.str();
+}
+
+}  // namespace webrtc