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51ad7c1277
* FrameCombiner is simpler. No additional channel pointers for buffers. * Improve consistency in using views in downstream classes. * Deprecate older methods (some have upstream dependencies). * Use samples per channel instead of sample rate where the former is really what's needed. Bug: chromium:335805780 Change-Id: I0dde8ed7a5a187bbddd18d3b6c649aa0865e6d4a Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/352582 Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org> Reviewed-by: Sam Zackrisson <saza@webrtc.org> Cr-Commit-Position: refs/heads/main@{#42575}
62 lines
2 KiB
C++
62 lines
2 KiB
C++
/*
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* 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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*/
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#include "modules/audio_processing/agc2/limiter.h"
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#include <algorithm>
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#include "common_audio/include/audio_util.h"
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#include "modules/audio_processing/agc2/agc2_common.h"
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#include "modules/audio_processing/agc2/agc2_testing_common.h"
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#include "modules/audio_processing/agc2/vector_float_frame.h"
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#include "modules/audio_processing/logging/apm_data_dumper.h"
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#include "rtc_base/gunit.h"
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namespace webrtc {
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TEST(Limiter, LimiterShouldConstructAndRun) {
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constexpr size_t kSamplesPerChannel = 480;
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ApmDataDumper apm_data_dumper(0);
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Limiter limiter(&apm_data_dumper, kSamplesPerChannel, "");
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std::array<float, kSamplesPerChannel> buffer;
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buffer.fill(kMaxAbsFloatS16Value);
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limiter.Process(
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DeinterleavedView<float>(buffer.data(), kSamplesPerChannel, 1));
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}
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TEST(Limiter, OutputVolumeAboveThreshold) {
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constexpr size_t kSamplesPerChannel = 480;
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const float input_level =
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(kMaxAbsFloatS16Value + DbfsToFloatS16(test::kLimiterMaxInputLevelDbFs)) /
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2.f;
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ApmDataDumper apm_data_dumper(0);
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Limiter limiter(&apm_data_dumper, kSamplesPerChannel, "");
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std::array<float, kSamplesPerChannel> buffer;
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// Give the level estimator time to adapt.
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for (int i = 0; i < 5; ++i) {
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std::fill(buffer.begin(), buffer.end(), input_level);
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limiter.Process(
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DeinterleavedView<float>(buffer.data(), kSamplesPerChannel, 1));
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}
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std::fill(buffer.begin(), buffer.end(), input_level);
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limiter.Process(
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DeinterleavedView<float>(buffer.data(), kSamplesPerChannel, 1));
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for (const auto& sample : buffer) {
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ASSERT_LT(0.9f * kMaxAbsFloatS16Value, sample);
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}
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}
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} // namespace webrtc
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