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https://github.com/mollyim/webrtc.git
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980c4601e1
- Bug fix: the desired initial gain quickly dropped to 0 dB hence starting a call with a too low level - New tuning to make AGC2 more robust to VAD mistakes - Smarter max gain increase speed: to deal with an increased threshold of adjacent speech frames, the gain applier temporarily allows a faster gain increase to deal with a longer time spent waiting for enough speech frames in a row to be observed - Saturation protector isolated from `AdaptiveModeLevelEstimator` to simplify the unit tests for the latter (non bit-exact change) - AGC2 adaptive digital config: unnecessary params deprecated - Code readability improvements - Data dumps clean-up and better naming Bug: webrtc:7494 Change-Id: I4e36059bdf2566cc2a7e1a7e95b7430ba9ae9844 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/215140 Commit-Queue: Alessio Bazzica <alessiob@webrtc.org> Reviewed-by: Jesus de Vicente Pena <devicentepena@webrtc.org> Cr-Commit-Position: refs/heads/master@{#33736}
73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/*
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* Copyright (c) 2021 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/saturation_protector_buffer.h"
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#include "test/gmock.h"
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#include "test/gtest.h"
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namespace webrtc {
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namespace {
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using ::testing::Eq;
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using ::testing::Optional;
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TEST(GainController2SaturationProtectorBuffer, Init) {
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SaturationProtectorBuffer b;
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EXPECT_EQ(b.Size(), 0);
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EXPECT_FALSE(b.Front().has_value());
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}
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TEST(GainController2SaturationProtectorBuffer, PushBack) {
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SaturationProtectorBuffer b;
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constexpr float kValue = 123.0f;
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b.PushBack(kValue);
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EXPECT_EQ(b.Size(), 1);
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EXPECT_THAT(b.Front(), Optional(Eq(kValue)));
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}
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TEST(GainController2SaturationProtectorBuffer, Reset) {
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SaturationProtectorBuffer b;
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b.PushBack(123.0f);
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b.Reset();
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EXPECT_EQ(b.Size(), 0);
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EXPECT_FALSE(b.Front().has_value());
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}
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// Checks that the front value does not change until the ring buffer gets full.
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TEST(GainController2SaturationProtectorBuffer, FrontUntilBufferIsFull) {
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SaturationProtectorBuffer b;
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constexpr float kValue = 123.0f;
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b.PushBack(kValue);
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for (int i = 1; i < b.Capacity(); ++i) {
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SCOPED_TRACE(i);
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EXPECT_THAT(b.Front(), Optional(Eq(kValue)));
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b.PushBack(kValue + i);
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}
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}
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// Checks that when the buffer is full it behaves as a shift register.
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TEST(GainController2SaturationProtectorBuffer, FrontIsDelayed) {
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SaturationProtectorBuffer b;
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// Fill the buffer.
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for (int i = 0; i < b.Capacity(); ++i) {
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b.PushBack(i);
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}
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// The ring buffer should now behave as a shift register with a delay equal to
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// its capacity.
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for (int i = b.Capacity(); i < 2 * b.Capacity() + 1; ++i) {
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SCOPED_TRACE(i);
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EXPECT_THAT(b.Front(), Optional(Eq(i - b.Capacity())));
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b.PushBack(i);
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}
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}
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} // namespace
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} // namespace webrtc
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