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73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/*
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* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ_POST_DECODE_VAD_H_
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#define WEBRTC_MODULES_AUDIO_CODING_NETEQ_POST_DECODE_VAD_H_
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#include <string> // size_t
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#include "webrtc/base/constructormagic.h"
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#include "webrtc/common_audio/vad/include/webrtc_vad.h"
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#include "webrtc/common_types.h" // NULL
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#include "webrtc/modules/audio_coding/neteq/defines.h"
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#include "webrtc/modules/audio_coding/neteq/interface/audio_decoder.h"
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#include "webrtc/modules/audio_coding/neteq/packet.h"
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#include "webrtc/typedefs.h"
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namespace webrtc {
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class PostDecodeVad {
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public:
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PostDecodeVad()
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: enabled_(false),
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running_(false),
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active_speech_(true),
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sid_interval_counter_(0),
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vad_instance_(NULL) {
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}
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virtual ~PostDecodeVad();
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// Enables post-decode VAD.
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void Enable();
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// Disables post-decode VAD.
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void Disable();
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// Initializes post-decode VAD.
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void Init();
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// Updates post-decode VAD with the audio data in |signal| having |length|
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// samples. The data is of type |speech_type|, at the sample rate |fs_hz|.
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void Update(int16_t* signal, int length,
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AudioDecoder::SpeechType speech_type, bool sid_frame, int fs_hz);
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// Accessors.
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bool enabled() const { return enabled_; }
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bool running() const { return running_; }
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bool active_speech() const { return active_speech_; }
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private:
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static const int kVadMode = 0; // Sets aggressiveness to "Normal".
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// Number of Update() calls without CNG/SID before re-enabling VAD.
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static const int kVadAutoEnable = 3000;
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bool enabled_;
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bool running_;
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bool active_speech_;
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int sid_interval_counter_;
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::VadInst* vad_instance_;
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DISALLOW_COPY_AND_ASSIGN(PostDecodeVad);
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ_POST_DECODE_VAD_H_
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