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a751f167c6
This reverts commit b4e06d032e.
Reason for revert: breaking downstream projects
Original change's description:
> Remove unused APM voice activity detection sub-module
>
> API changes:
> - webrtc::AudioProcessing::Config::VoiceDetection removed
> - webrtc::AudioProcessingStats::voice_detected deprecated
> - cricket::AudioOptions::typing_detection deprecated
> - webrtc::StatsReport::StatsValueName::
> kStatsValueNameTypingNoiseState deprecated
>
> PSA: https://groups.google.com/g/discuss-webrtc/c/7X6uwmJarE0
>
> Bug: webrtc:11226,webrtc:11292
> Change-Id: I8d008b56708cf62961b9857ec052b59fda3b41bf
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/250666
> Reviewed-by: Harald Alvestrand <hta@webrtc.org>
> Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
> Reviewed-by: Sam Zackrisson <saza@webrtc.org>
> Reviewed-by: Björn Terelius <terelius@webrtc.org>
> Commit-Queue: Alessio Bazzica <alessiob@webrtc.org>
> Cr-Commit-Position: refs/heads/main@{#35975}
TBR=gustaf@webrtc.org,saza@webrtc.org,alessiob@webrtc.org,terelius@webrtc.org,hta@webrtc.org,webrtc-scoped@luci-project-accounts.iam.gserviceaccount.com
Change-Id: Iee01fdb874b4e0331277f3ffe60dacaabc3859a2
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: webrtc:11226,webrtc:11292
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/251600
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35977}
59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
/*
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* Copyright (c) 2019 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 MODULES_AUDIO_PROCESSING_VOICE_DETECTION_H_
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#define MODULES_AUDIO_PROCESSING_VOICE_DETECTION_H_
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#include <stddef.h>
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#include <memory>
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#include "modules/audio_processing/include/audio_processing.h"
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namespace webrtc {
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class AudioBuffer;
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// The voice activity detection (VAD) component analyzes the stream to
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// determine if voice is present.
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class VoiceDetection {
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public:
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// Specifies the likelihood that a frame will be declared to contain voice.
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// A higher value makes it more likely that speech will not be clipped, at
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// the expense of more noise being detected as voice.
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enum Likelihood {
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kVeryLowLikelihood,
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kLowLikelihood,
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kModerateLikelihood,
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kHighLikelihood
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};
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VoiceDetection(int sample_rate_hz, Likelihood likelihood);
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~VoiceDetection();
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VoiceDetection(VoiceDetection&) = delete;
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VoiceDetection& operator=(VoiceDetection&) = delete;
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// Returns true if voice is detected in the current frame.
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bool ProcessCaptureAudio(AudioBuffer* audio);
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Likelihood likelihood() const { return likelihood_; }
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private:
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class Vad;
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int sample_rate_hz_;
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size_t frame_size_samples_;
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Likelihood likelihood_;
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std::unique_ptr<Vad> vad_;
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};
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} // namespace webrtc
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#endif // MODULES_AUDIO_PROCESSING_VOICE_DETECTION_H_
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