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92ea95e34a
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC from src/webrtc to src/ (in order to preserve an healthy git history). This CL takes care of fixing header guards, #include paths, etc... NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578 Reviewed-on: https://webrtc-review.googlesource.com/1561 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19846}
89 lines
2.4 KiB
C++
89 lines
2.4 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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#include "modules/audio_coding/neteq/post_decode_vad.h"
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namespace webrtc {
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PostDecodeVad::~PostDecodeVad() {
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if (vad_instance_)
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WebRtcVad_Free(vad_instance_);
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}
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void PostDecodeVad::Enable() {
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if (!vad_instance_) {
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// Create the instance.
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vad_instance_ = WebRtcVad_Create();
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if (vad_instance_ == nullptr) {
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// Failed to create instance.
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Disable();
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return;
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}
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}
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Init();
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enabled_ = true;
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}
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void PostDecodeVad::Disable() {
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enabled_ = false;
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running_ = false;
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}
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void PostDecodeVad::Init() {
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running_ = false;
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if (vad_instance_) {
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WebRtcVad_Init(vad_instance_);
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WebRtcVad_set_mode(vad_instance_, kVadMode);
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running_ = true;
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}
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}
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void PostDecodeVad::Update(int16_t* signal, size_t length,
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AudioDecoder::SpeechType speech_type,
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bool sid_frame,
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int fs_hz) {
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if (!vad_instance_ || !enabled_) {
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return;
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}
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if (speech_type == AudioDecoder::kComfortNoise || sid_frame ||
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fs_hz > 16000) {
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// TODO(hlundin): Remove restriction on fs_hz.
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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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} else if (!running_) {
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++sid_interval_counter_;
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}
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if (sid_interval_counter_ >= kVadAutoEnable) {
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Init();
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}
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if (length > 0 && running_) {
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size_t vad_sample_index = 0;
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active_speech_ = false;
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// Loop through frame sizes 30, 20, and 10 ms.
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for (int vad_frame_size_ms = 30; vad_frame_size_ms >= 10;
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vad_frame_size_ms -= 10) {
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size_t vad_frame_size_samples =
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static_cast<size_t>(vad_frame_size_ms * fs_hz / 1000);
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while (length - vad_sample_index >= vad_frame_size_samples) {
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int vad_return = WebRtcVad_Process(
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vad_instance_, fs_hz, &signal[vad_sample_index],
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vad_frame_size_samples);
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active_speech_ |= (vad_return == 1);
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vad_sample_index += vad_frame_size_samples;
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}
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}
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}
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}
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} // namespace webrtc
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