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/*
* Copyright (c) 2012 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/vad/pitch_based_vad.h"
#include <math.h>
#include <stdio.h>
#include <string>
#include "test/gtest.h"
#include "test/testsupport/file_utils.h"
namespace webrtc {
TEST(PitchBasedVadTest, VoicingProbabilityTest) {
std::string spectral_peak_file_name =
test::ResourcePath("audio_processing/agc/agc_spectral_peak", "dat");
FILE* spectral_peak_file = fopen(spectral_peak_file_name.c_str(), "rb");
ASSERT_TRUE(spectral_peak_file != NULL);
std::string pitch_gain_file_name =
test::ResourcePath("audio_processing/agc/agc_pitch_gain", "dat");
FILE* pitch_gain_file = fopen(pitch_gain_file_name.c_str(), "rb");
ASSERT_TRUE(pitch_gain_file != NULL);
std::string pitch_lag_file_name =
test::ResourcePath("audio_processing/agc/agc_pitch_lag", "dat");
FILE* pitch_lag_file = fopen(pitch_lag_file_name.c_str(), "rb");
ASSERT_TRUE(pitch_lag_file != NULL);
std::string voicing_prob_file_name =
test::ResourcePath("audio_processing/agc/agc_voicing_prob", "dat");
FILE* voicing_prob_file = fopen(voicing_prob_file_name.c_str(), "rb");
ASSERT_TRUE(voicing_prob_file != NULL);
PitchBasedVad vad_;
double reference_activity_probability;
AudioFeatures audio_features;
memset(&audio_features, 0, sizeof(audio_features));
audio_features.num_frames = 1;
while (fread(audio_features.spectral_peak,
sizeof(audio_features.spectral_peak[0]), 1,
spectral_peak_file) == 1u) {
double p;
ASSERT_EQ(1u, fread(audio_features.log_pitch_gain,
sizeof(audio_features.log_pitch_gain[0]), 1,
pitch_gain_file));
ASSERT_EQ(1u,
fread(audio_features.pitch_lag_hz,
sizeof(audio_features.pitch_lag_hz[0]), 1, pitch_lag_file));
ASSERT_EQ(1u, fread(&reference_activity_probability,
sizeof(reference_activity_probability), 1,
voicing_prob_file));
p = 0.5; // Initialize to the neutral value for combining probabilities.
EXPECT_EQ(0, vad_.VoicingProbability(audio_features, &p));
EXPECT_NEAR(p, reference_activity_probability, 0.01);
}
fclose(spectral_peak_file);
fclose(pitch_gain_file);
fclose(pitch_lag_file);
}
} // namespace webrtc
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