andrew@webrtc.org | a7b57da | 2012-10-22 18:19:23 +0000 | [diff] [blame] | 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 <stdlib.h> |
| 12 | |
pbos@webrtc.org | abf0cd8 | 2013-05-27 09:49:58 +0000 | [diff] [blame] | 13 | #include "testing/gtest/include/gtest/gtest.h" |
| 14 | #include "webrtc/common_audio/vad/vad_unittest.h" |
| 15 | #include "webrtc/typedefs.h" |
andrew@webrtc.org | a7b57da | 2012-10-22 18:19:23 +0000 | [diff] [blame] | 16 | |
| 17 | extern "C" { |
pbos@webrtc.org | abf0cd8 | 2013-05-27 09:49:58 +0000 | [diff] [blame] | 18 | #include "webrtc/common_audio/vad/vad_core.h" |
andrew@webrtc.org | a7b57da | 2012-10-22 18:19:23 +0000 | [diff] [blame] | 19 | } |
| 20 | |
| 21 | namespace { |
| 22 | |
| 23 | TEST_F(VadTest, InitCore) { |
| 24 | // Test WebRtcVad_InitCore(). |
| 25 | VadInstT* self = reinterpret_cast<VadInstT*>(malloc(sizeof(VadInstT))); |
| 26 | |
| 27 | // NULL pointer test. |
| 28 | EXPECT_EQ(-1, WebRtcVad_InitCore(NULL)); |
| 29 | |
| 30 | // Verify return = 0 for non-NULL pointer. |
| 31 | EXPECT_EQ(0, WebRtcVad_InitCore(self)); |
| 32 | // Verify init_flag is set. |
| 33 | EXPECT_EQ(42, self->init_flag); |
| 34 | |
| 35 | free(self); |
| 36 | } |
| 37 | |
| 38 | TEST_F(VadTest, set_mode_core) { |
| 39 | VadInstT* self = reinterpret_cast<VadInstT*>(malloc(sizeof(VadInstT))); |
| 40 | |
| 41 | // TODO(bjornv): Add NULL pointer check if we take care of it in |
| 42 | // vad_core.c |
| 43 | |
| 44 | ASSERT_EQ(0, WebRtcVad_InitCore(self)); |
| 45 | // Test WebRtcVad_set_mode_core(). |
| 46 | // Invalid modes should return -1. |
| 47 | EXPECT_EQ(-1, WebRtcVad_set_mode_core(self, -1)); |
| 48 | EXPECT_EQ(-1, WebRtcVad_set_mode_core(self, 1000)); |
| 49 | // Valid modes should return 0. |
| 50 | for (size_t j = 0; j < kModesSize; ++j) { |
| 51 | EXPECT_EQ(0, WebRtcVad_set_mode_core(self, kModes[j])); |
| 52 | } |
| 53 | |
| 54 | free(self); |
| 55 | } |
| 56 | |
| 57 | TEST_F(VadTest, CalcVad) { |
| 58 | VadInstT* self = reinterpret_cast<VadInstT*>(malloc(sizeof(VadInstT))); |
| 59 | int16_t speech[kMaxFrameLength]; |
| 60 | |
| 61 | // TODO(bjornv): Add NULL pointer check if we take care of it in |
| 62 | // vad_core.c |
| 63 | |
| 64 | // Test WebRtcVad_CalcVadXXkhz() |
| 65 | // Verify that all zeros in gives VAD = 0 out. |
| 66 | memset(speech, 0, sizeof(speech)); |
| 67 | ASSERT_EQ(0, WebRtcVad_InitCore(self)); |
| 68 | for (size_t j = 0; j < kFrameLengthsSize; ++j) { |
| 69 | if (ValidRatesAndFrameLengths(8000, kFrameLengths[j])) { |
| 70 | EXPECT_EQ(0, WebRtcVad_CalcVad8khz(self, speech, kFrameLengths[j])); |
| 71 | } |
| 72 | if (ValidRatesAndFrameLengths(16000, kFrameLengths[j])) { |
| 73 | EXPECT_EQ(0, WebRtcVad_CalcVad16khz(self, speech, kFrameLengths[j])); |
| 74 | } |
| 75 | if (ValidRatesAndFrameLengths(32000, kFrameLengths[j])) { |
| 76 | EXPECT_EQ(0, WebRtcVad_CalcVad32khz(self, speech, kFrameLengths[j])); |
| 77 | } |
| 78 | if (ValidRatesAndFrameLengths(48000, kFrameLengths[j])) { |
| 79 | EXPECT_EQ(0, WebRtcVad_CalcVad48khz(self, speech, kFrameLengths[j])); |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | // Construct a speech signal that will trigger the VAD in all modes. It is |
| 84 | // known that (i * i) will wrap around, but that doesn't matter in this case. |
| 85 | for (int16_t i = 0; i < kMaxFrameLength; ++i) { |
| 86 | speech[i] = (i * i); |
| 87 | } |
| 88 | for (size_t j = 0; j < kFrameLengthsSize; ++j) { |
| 89 | if (ValidRatesAndFrameLengths(8000, kFrameLengths[j])) { |
| 90 | EXPECT_EQ(1, WebRtcVad_CalcVad8khz(self, speech, kFrameLengths[j])); |
| 91 | } |
| 92 | if (ValidRatesAndFrameLengths(16000, kFrameLengths[j])) { |
| 93 | EXPECT_EQ(1, WebRtcVad_CalcVad16khz(self, speech, kFrameLengths[j])); |
| 94 | } |
| 95 | if (ValidRatesAndFrameLengths(32000, kFrameLengths[j])) { |
| 96 | EXPECT_EQ(1, WebRtcVad_CalcVad32khz(self, speech, kFrameLengths[j])); |
| 97 | } |
| 98 | if (ValidRatesAndFrameLengths(48000, kFrameLengths[j])) { |
| 99 | EXPECT_EQ(1, WebRtcVad_CalcVad48khz(self, speech, kFrameLengths[j])); |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | free(self); |
| 104 | } |
| 105 | } // namespace |