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bb1a28de3c
- test_utils.h/.cc simplified - webrtc::rnnvad::test -> webrtc::rnnvad - all unit test code inside the anonymous namespace - names improved Bug: webrtc:10480 Change-Id: I0a0f056f9728bb8a1b93006b95d7ed5bf5bd4adb Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/196509 Commit-Queue: Alessio Bazzica <alessiob@webrtc.org> Reviewed-by: Sam Zackrisson <saza@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32789}
80 lines
2.9 KiB
C++
80 lines
2.9 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/rnn_vad/lp_residual.h"
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#include <algorithm>
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#include <array>
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#include <vector>
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#include "modules/audio_processing/agc2/rnn_vad/common.h"
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#include "modules/audio_processing/agc2/rnn_vad/test_utils.h"
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// TODO(bugs.webrtc.org/8948): Add when the issue is fixed.
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// #include "test/fpe_observer.h"
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#include "test/gtest.h"
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namespace webrtc {
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namespace rnn_vad {
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namespace {
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// Checks that the LP residual can be computed on an empty frame.
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TEST(RnnVadTest, LpResidualOfEmptyFrame) {
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// TODO(bugs.webrtc.org/8948): Add when the issue is fixed.
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// FloatingPointExceptionObserver fpe_observer;
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// Input frame (empty, i.e., all samples set to 0).
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std::array<float, kFrameSize10ms24kHz> empty_frame;
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empty_frame.fill(0.f);
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// Compute inverse filter coefficients.
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std::array<float, kNumLpcCoefficients> lpc;
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ComputeAndPostProcessLpcCoefficients(empty_frame, lpc);
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// Compute LP residual.
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std::array<float, kFrameSize10ms24kHz> lp_residual;
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ComputeLpResidual(lpc, empty_frame, lp_residual);
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}
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// Checks that the computed LP residual is bit-exact given test input data.
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TEST(RnnVadTest, LpResidualPipelineBitExactness) {
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// Input and expected output readers.
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ChunksFileReader pitch_buffer_reader = CreatePitchBuffer24kHzReader();
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ChunksFileReader lp_pitch_reader = CreateLpResidualAndPitchInfoReader();
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// Buffers.
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std::vector<float> pitch_buffer_24kHz(kBufSize24kHz);
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std::array<float, kNumLpcCoefficients> lpc;
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std::vector<float> computed_lp_residual(kBufSize24kHz);
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std::vector<float> expected_lp_residual(kBufSize24kHz);
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// Test length.
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const int num_frames =
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std::min(pitch_buffer_reader.num_chunks, 300); // Max 3 s.
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ASSERT_GE(lp_pitch_reader.num_chunks, num_frames);
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// TODO(bugs.webrtc.org/8948): Add when the issue is fixed.
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// FloatingPointExceptionObserver fpe_observer;
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for (int i = 0; i < num_frames; ++i) {
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SCOPED_TRACE(i);
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// Read input.
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ASSERT_TRUE(pitch_buffer_reader.reader->ReadChunk(pitch_buffer_24kHz));
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// Read expected output (ignore pitch gain and period).
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ASSERT_TRUE(lp_pitch_reader.reader->ReadChunk(expected_lp_residual));
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lp_pitch_reader.reader->SeekForward(2); // Pitch period and strength.
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// Check every 200 ms.
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if (i % 20 == 0) {
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ComputeAndPostProcessLpcCoefficients(pitch_buffer_24kHz, lpc);
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ComputeLpResidual(lpc, pitch_buffer_24kHz, computed_lp_residual);
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ExpectNearAbsolute(expected_lp_residual, computed_lp_residual, kFloatMin);
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}
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}
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}
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} // namespace
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} // namespace rnn_vad
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} // namespace webrtc
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