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/*
* Copyright (c) 2018 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.
*/
#include "modules/audio_processing/agc2/rnn_vad/pitch_search.h"
#include <algorithm>
#include <vector>
#include "modules/audio_processing/agc2/cpu_features.h"
#include "modules/audio_processing/agc2/rnn_vad/pitch_search_internal.h"
#include "modules/audio_processing/agc2/rnn_vad/test_utils.h"
// TODO(bugs.webrtc.org/8948): Add when the issue is fixed.
// #include "test/fpe_observer.h"
#include "test/gtest.h"
namespace webrtc {
namespace rnn_vad {
// Checks that the computed pitch period is bit-exact and that the computed
// pitch gain is within tolerance given test input data.
TEST(RnnVadTest, PitchSearchWithinTolerance) {
ChunksFileReader reader = CreateLpResidualAndPitchInfoReader();
const int num_frames = std::min(reader.num_chunks, 300); // Max 3 s.
std::vector<float> lp_residual(kBufSize24kHz);
float expected_pitch_period, expected_pitch_strength;
const AvailableCpuFeatures cpu_features = GetAvailableCpuFeatures();
PitchEstimator pitch_estimator(cpu_features);
{
// TODO(bugs.webrtc.org/8948): Add when the issue is fixed.
// FloatingPointExceptionObserver fpe_observer;
for (int i = 0; i < num_frames; ++i) {
SCOPED_TRACE(i);
ASSERT_TRUE(reader.reader->ReadChunk(lp_residual));
ASSERT_TRUE(reader.reader->ReadValue(expected_pitch_period));
ASSERT_TRUE(reader.reader->ReadValue(expected_pitch_strength));
int pitch_period =
pitch_estimator.Estimate({lp_residual.data(), kBufSize24kHz});
EXPECT_EQ(expected_pitch_period, pitch_period);
EXPECT_NEAR(expected_pitch_strength,
pitch_estimator.GetLastPitchStrengthForTesting(), 15e-6f);
}
}
}
} // namespace rnn_vad
} // namespace webrtc
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