1 files changed, 75 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_processing/vad/pitch_based_vad_unittest.cc b/third_party/libwebrtc/modules/audio_processing/vad/pitch_based_vad_unittest.cc
new file mode 100644
index 0000000000..4a8331a769
--- /dev/null
+++ b/third_party/libwebrtc/modules/audio_processing/vad/pitch_based_vad_unittest.cc
@@ -0,0 +1,75 @@
+/*
+ *  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