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1 /* | 1 /* |
2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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39 void Enable(); | 39 void Enable(); |
40 | 40 |
41 // Disables post-decode VAD. | 41 // Disables post-decode VAD. |
42 void Disable(); | 42 void Disable(); |
43 | 43 |
44 // Initializes post-decode VAD. | 44 // Initializes post-decode VAD. |
45 void Init(); | 45 void Init(); |
46 | 46 |
47 // Updates post-decode VAD with the audio data in |signal| having |length| | 47 // Updates post-decode VAD with the audio data in |signal| having |length| |
48 // samples. The data is of type |speech_type|, at the sample rate |fs_hz|. | 48 // samples. The data is of type |speech_type|, at the sample rate |fs_hz|. |
49 void Update(int16_t* signal, int length, | 49 void Update(int16_t* signal, size_t length, |
50 AudioDecoder::SpeechType speech_type, bool sid_frame, int fs_hz); | 50 AudioDecoder::SpeechType speech_type, bool sid_frame, int fs_hz); |
51 | 51 |
52 // Accessors. | 52 // Accessors. |
53 bool enabled() const { return enabled_; } | 53 bool enabled() const { return enabled_; } |
54 bool running() const { return running_; } | 54 bool running() const { return running_; } |
55 bool active_speech() const { return active_speech_; } | 55 bool active_speech() const { return active_speech_; } |
56 | 56 |
57 private: | 57 private: |
58 static const int kVadMode = 0; // Sets aggressiveness to "Normal". | 58 static const int kVadMode = 0; // Sets aggressiveness to "Normal". |
59 // Number of Update() calls without CNG/SID before re-enabling VAD. | 59 // Number of Update() calls without CNG/SID before re-enabling VAD. |
60 static const int kVadAutoEnable = 3000; | 60 static const int kVadAutoEnable = 3000; |
61 | 61 |
62 bool enabled_; | 62 bool enabled_; |
63 bool running_; | 63 bool running_; |
64 bool active_speech_; | 64 bool active_speech_; |
65 int sid_interval_counter_; | 65 int sid_interval_counter_; |
66 ::VadInst* vad_instance_; | 66 ::VadInst* vad_instance_; |
67 | 67 |
68 DISALLOW_COPY_AND_ASSIGN(PostDecodeVad); | 68 DISALLOW_COPY_AND_ASSIGN(PostDecodeVad); |
69 }; | 69 }; |
70 | 70 |
71 } // namespace webrtc | 71 } // namespace webrtc |
72 #endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ_POST_DECODE_VAD_H_ | 72 #endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ_POST_DECODE_VAD_H_ |
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