| /* |
| * 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 |