Alex Loiko a05ee82c4c Fixed Digital mode of AGC2 implementation finished.
This CL adds the GainCurveApplier (GCA). It owns a
FixedDigitalLevelEstimator (LE) and an InterpolatedGainCurve
(IGC). The GCA uses the LE to compute the input signal level, looks up
a gain from IGC and applies it on the signal.

The other IGC and LE submodules were added in previous CLs [1] and
[2].

This CL also turns on AGC2 in the APM fuzzer.

[1] https://webrtc-review.googlesource.com/c/src/+/51920
[2] https://webrtc-review.googlesource.com/c/src/+/52381

Bug: webrtc:7949
Change-Id: Idb10cc3ca9d6d2e4ac5824cc3391ed8aa680f6cd
Reviewed-on: https://webrtc-review.googlesource.com/54361
Commit-Queue: Alex Loiko <aleloi@webrtc.org>
Reviewed-by: Sam Zackrisson <saza@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22103}
2018-02-20 15:59:25 +00:00

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# Copyright (c) 2017 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("../../../webrtc.gni")
rtc_source_set("agc2") {
sources = [
"agc2_common.h",
"fixed_digital_level_estimator.cc",
"fixed_digital_level_estimator.h",
"fixed_gain_controller.cc",
"fixed_gain_controller.h",
"gain_curve_applier.cc",
"gain_curve_applier.h",
"interpolated_gain_curve.cc",
"interpolated_gain_curve.h",
]
configs += [ "..:apm_debug_dump" ]
deps = [
"..:apm_logging",
"..:audio_frame_view",
"../../../api:array_view",
"../../../common_audio",
"../../../rtc_base:checks",
"../../../rtc_base:gtest_prod",
"../../../rtc_base:rtc_base_approved",
]
}
rtc_source_set("fixed_digital_unittests") {
testonly = true
configs += [ "..:apm_debug_dump" ]
sources = [
"agc2_testing_common.cc",
"agc2_testing_common.h",
"agc2_testing_common_unittest.cc",
"compute_interpolated_gain_curve.cc",
"compute_interpolated_gain_curve.h",
"fixed_digital_level_estimator_unittest.cc",
"fixed_gain_controller_unittest.cc",
"gain_curve_applier_unittest.cc",
"interpolated_gain_curve_unittest.cc",
"limiter.cc",
"limiter.h",
"limiter_unittest.cc",
"vector_float_frame.cc",
"vector_float_frame.h",
]
deps = [
":agc2",
"..:apm_logging",
"..:audio_frame_view",
"../../../api:array_view",
"../../../common_audio",
"../../../rtc_base:checks",
"../../../rtc_base:rtc_base_approved",
"../../../rtc_base:rtc_base_tests_utils",
]
}