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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 "modules/audio_processing/agc2/rnn_vad/pitch_info.h"
#include "modules/audio_processing/agc2/rnn_vad/pitch_search_internal.h"
#include <algorithm>
#include <vector>
#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 {
namespace test {
// 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) {
auto lp_residual_reader = CreateLpResidualAndPitchPeriodGainReader();
const size_t num_frames = std::min(lp_residual_reader.second,
static_cast<size_t>(300)); // Max 3 s.
std::vector<float> lp_residual(kBufSize24kHz);
float expected_pitch_period, expected_pitch_gain;
PitchEstimator pitch_estimator;
{
// TODO(bugs.webrtc.org/8948): Add when the issue is fixed.
// FloatingPointExceptionObserver fpe_observer;
for (size_t i = 0; i < num_frames; ++i) {
SCOPED_TRACE(i);
lp_residual_reader.first->ReadChunk(lp_residual);
lp_residual_reader.first->ReadValue(&expected_pitch_period);
lp_residual_reader.first->ReadValue(&expected_pitch_gain);
PitchInfo pitch_info =
pitch_estimator.Estimate({lp_residual.data(), kBufSize24kHz});
EXPECT_EQ(static_cast<int>(expected_pitch_period), pitch_info.period);
EXPECT_NEAR(expected_pitch_gain, pitch_info.gain, 1e-5f);
}
}
}
} // namespace test
} // namespace rnn_vad
} // namespace webrtc