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/*
* Copyright (c) 2014 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.
*/
#include "webrtc/common_audio/vad/include/vad.h"
#include "webrtc/base/checks.h"
namespace webrtc {
Vad::Vad(enum Aggressiveness mode) {
CHECK_EQ(WebRtcVad_Create(&handle_), 0);
CHECK_EQ(WebRtcVad_Init(handle_), 0);
CHECK_EQ(WebRtcVad_set_mode(handle_, mode), 0);
}
Vad::~Vad() {
WebRtcVad_Free(handle_);
}
enum Vad::Activity Vad::VoiceActivity(const int16_t* audio,
size_t num_samples,
int sample_rate_hz) {
int ret = WebRtcVad_Process(
handle_, sample_rate_hz, audio, static_cast<int>(num_samples));
switch (ret) {
case 0:
return kPassive;
case 1:
return kActive;
default:
DCHECK(false) << "WebRtcVad_Process returned an error.";
return kError;
}
}
} // namespace webrtc
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