1 /* 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include "webrtc/modules/audio_processing/vad/pitch_internal.h" 12 13 #include <math.h> 14 15 #include "testing/gtest/include/gtest/gtest.h" 16 17 TEST(PitchInternalTest, test) { 18 const int kSamplingRateHz = 8000; 19 const int kNumInputParameters = 4; 20 const int kNumOutputParameters = 3; 21 // Inputs 22 double log_old_gain = log(0.5); 23 double gains[] = {0.6, 0.2, 0.5, 0.4}; 24 25 double old_lag = 70; 26 double lags[] = {90, 111, 122, 50}; 27 28 // Expected outputs 29 double expected_log_pitch_gain[] = { 30 -0.541212549898316, -1.45672279045507, -0.80471895621705}; 31 double expected_log_old_gain = log(gains[kNumInputParameters - 1]); 32 33 double expected_pitch_lag_hz[] = { 34 92.3076923076923, 70.9010339734121, 93.0232558139535}; 35 double expected_old_lag = lags[kNumInputParameters - 1]; 36 37 double log_pitch_gain[kNumOutputParameters]; 38 double pitch_lag_hz[kNumInputParameters]; 39 40 GetSubframesPitchParameters(kSamplingRateHz, gains, lags, kNumInputParameters, 41 kNumOutputParameters, &log_old_gain, &old_lag, 42 log_pitch_gain, pitch_lag_hz); 43 44 for (int n = 0; n < 3; n++) { 45 EXPECT_NEAR(pitch_lag_hz[n], expected_pitch_lag_hz[n], 1e-6); 46 EXPECT_NEAR(log_pitch_gain[n], expected_log_pitch_gain[n], 1e-8); 47 } 48 EXPECT_NEAR(old_lag, expected_old_lag, 1e-6); 49 EXPECT_NEAR(log_old_gain, expected_log_old_gain, 1e-8); 50 } 51
