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Diffstat (limited to 'chromium/third_party/webrtc/modules/audio_coding/neteq/post_decode_vad.h')
-rw-r--r-- | chromium/third_party/webrtc/modules/audio_coding/neteq/post_decode_vad.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/chromium/third_party/webrtc/modules/audio_coding/neteq/post_decode_vad.h b/chromium/third_party/webrtc/modules/audio_coding/neteq/post_decode_vad.h new file mode 100644 index 00000000000..e713009c85f --- /dev/null +++ b/chromium/third_party/webrtc/modules/audio_coding/neteq/post_decode_vad.h @@ -0,0 +1,72 @@ +/* + * 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/neteq/defines.h" +#include "webrtc/modules/audio_coding/neteq/interface/audio_decoder.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, int 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_; + + DISALLOW_COPY_AND_ASSIGN(PostDecodeVad); +}; + +} // namespace webrtc +#endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ_POST_DECODE_VAD_H_ |