Adding second layer of the echo canceller 3 functionality.

webrtc/modules/audio_processing/BUILD.gn

 # Copyright (c) 2014 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.
 
 import("//build/config/arm.gni")
 import("//third_party/protobuf/proto_library.gni")
@@ skipping 17 matching lines @@
     "aec/echo_cancellation.h",
     "aec3/aec3_constants.h",
     "aec3/block_framer.cc",
     "aec3/block_framer.h",
     "aec3/block_processor.cc",
     "aec3/block_processor.h",
     "aec3/cascaded_biquad_filter.cc",
     "aec3/cascaded_biquad_filter.h",
     "aec3/echo_canceller3.cc",
     "aec3/echo_canceller3.h",
+    "aec3/echo_path_delay_estimator.cc",
+    "aec3/echo_path_delay_estimator.h",
+    "aec3/echo_path_variability.h",
+    "aec3/echo_remover.cc",
+    "aec3/echo_remover.h",
     "aec3/frame_blocker.cc",
     "aec3/frame_blocker.h",
+    "aec3/render_delay_buffer.cc",
+    "aec3/render_delay_buffer.h",
+    "aec3/render_delay_controller.cc",
+    "aec3/render_delay_controller.h",
     "aecm/aecm_core.cc",
     "aecm/aecm_core.h",
     "aecm/echo_control_mobile.cc",
     "aecm/echo_control_mobile.h",
     "agc/agc.cc",
     "agc/agc.h",
     "agc/agc_manager_direct.cc",
     "agc/agc_manager_direct.h",
     "agc/gain_map_internal.h",
     "agc/loudness_histogram.cc",
@@ skipping 454 matching lines @@
       deps += [
         ":audioproc_debug_proto",
         ":audioproc_protobuf_utils",
         ":audioproc_unittest_proto",
       ]
       sources += [
         "aec3/block_framer_unittest.cc",
         "aec3/block_processor_unittest.cc",
         "aec3/cascaded_biquad_filter_unittest.cc",
         "aec3/echo_canceller3_unittest.cc",
+        "aec3/echo_path_delay_estimator_unittest.cc",
+        "aec3/echo_remover_unittest.cc",
         "aec3/frame_blocker_unittest.cc",
         "aec3/mock/mock_block_processor.h",
+        "aec3/mock/mock_echo_remover.h",
+        "aec3/mock/mock_render_delay_buffer.h",
+        "aec3/mock/mock_render_delay_controller.h",
+        "aec3/render_delay_buffer_unittest.cc",
+        "aec3/render_delay_controller_unittest.cc",
         "audio_processing_impl_locking_unittest.cc",
         "audio_processing_impl_unittest.cc",
         "audio_processing_unittest.cc",
         "beamformer/nonlinear_beamformer_unittest.cc",
         "echo_cancellation_bit_exact_unittest.cc",
         "echo_control_mobile_unittest.cc",
         "echo_detector/circular_buffer_unittest.cc",
         "echo_detector/mean_variance_estimator_unittest.cc",
         "echo_detector/moving_max_unittest.cc",
         "echo_detector/normalized_covariance_estimator_unittest.cc",
         "gain_control_unittest.cc",
         "level_controller/level_controller_unittest.cc",
         "level_estimator_unittest.cc",
         "low_cut_filter_unittest.cc",
         "noise_suppression_unittest.cc",
         "residual_echo_detector_unittest.cc",
         "rms_level_unittest.cc",
         "test/bitexactness_tools.cc",
         "test/bitexactness_tools.h",
         "test/debug_dump_replayer.cc",
         "test/debug_dump_replayer.h",
         "test/debug_dump_test.cc",
+        "test/echo_canceller_test_tools.cc",
+        "test/echo_canceller_test_tools.h",
+        "test/echo_canceller_test_tools_unittest.cc",
         "test/test_utils.h",
         "voice_detection_unittest.cc",
       ]
     }
 
     if ((!build_with_chromium || is_win) && is_clang) {
       # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
       suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
     }
   }
@@ skipping 177 matching lines @@
       ]
 
       deps = [
         ":audioproc_debug_proto",
         "../..:webrtc_common",
         "../../base:rtc_base_approved",
       ]
     }
   }
 }