| /* |
| * Copyright (c) 2013 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. |
| */ |
| |
| #ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ_POST_DECODE_VAD_H_ |
| #define WEBRTC_MODULES_AUDIO_CODING_NETEQ_POST_DECODE_VAD_H_ |
| |
| #include <string> // size_t |
| |
| #include "webrtc/base/constructormagic.h" |
| #include "webrtc/common_audio/vad/include/webrtc_vad.h" |
| #include "webrtc/common_types.h" // NULL |
| #include "webrtc/modules/audio_coding/codecs/audio_decoder.h" |
| #include "webrtc/modules/audio_coding/neteq/defines.h" |
| #include "webrtc/modules/audio_coding/neteq/packet.h" |
| #include "webrtc/typedefs.h" |
| |
| namespace webrtc { |
| |
| class PostDecodeVad { |
| public: |
| PostDecodeVad() |
| : enabled_(false), |
| running_(false), |
| active_speech_(true), |
| sid_interval_counter_(0), |
| vad_instance_(NULL) { |
| } |
| |
| virtual ~PostDecodeVad(); |
| |
| // Enables post-decode VAD. |
| void Enable(); |
| |
| // Disables post-decode VAD. |
| void Disable(); |
| |
| // Initializes post-decode VAD. |
| void Init(); |
| |
| // Updates post-decode VAD with the audio data in |signal| having |length| |
| // samples. The data is of type |speech_type|, at the sample rate |fs_hz|. |
| void Update(int16_t* signal, size_t length, |
| AudioDecoder::SpeechType speech_type, bool sid_frame, int fs_hz); |
| |
| // Accessors. |
| bool enabled() const { return enabled_; } |
| bool running() const { return running_; } |
| bool active_speech() const { return active_speech_; } |
| |
| private: |
| static const int kVadMode = 0; // Sets aggressiveness to "Normal". |
| // Number of Update() calls without CNG/SID before re-enabling VAD. |
| static const int kVadAutoEnable = 3000; |
| |
| bool enabled_; |
| bool running_; |
| bool active_speech_; |
| int sid_interval_counter_; |
| ::VadInst* vad_instance_; |
| |
| RTC_DISALLOW_COPY_AND_ASSIGN(PostDecodeVad); |
| }; |
| |
| } // namespace webrtc |
| #endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ_POST_DECODE_VAD_H_ |