Files
platform-external-webrtc/webrtc/modules/audio_processing/aec3/echo_canceller3.cc
peah e0eae3cec6 This CL adds the basic framework for AEC3 in the audio processing module.
It will be followed by a number of other CLs that extends this framework.

BUG=webrtc:6018

Review-Url: https://codereview.webrtc.org/2567513003
Cr-Commit-Position: refs/heads/master@{#15593}
2016-12-14 09:16:28 +00:00

58 lines
1.9 KiB
C++

/*
* Copyright (c) 2016 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/modules/audio_processing/aec3/echo_canceller3.h"
#include "webrtc/base/atomicops.h"
#include "webrtc/system_wrappers/include/logging.h"
namespace webrtc {
int EchoCanceller3::instance_count_ = 0;
EchoCanceller3::EchoCanceller3(int sample_rate_hz, bool use_anti_hum_filter) {
int band_sample_rate_hz = (sample_rate_hz == 8000 ? sample_rate_hz : 16000);
frame_length_ = rtc::CheckedDivExact(band_sample_rate_hz, 100);
LOG(LS_INFO) << "AEC3 created : "
<< "{ instance_count: " << instance_count_ << "}";
instance_count_ = rtc::AtomicOps::Increment(&instance_count_);
}
EchoCanceller3::~EchoCanceller3() = default;
bool EchoCanceller3::AnalyzeRender(AudioBuffer* render) {
RTC_DCHECK_EQ(1u, render->num_channels());
RTC_DCHECK_EQ(frame_length_, render->num_frames_per_band());
return true;
}
void EchoCanceller3::AnalyzeCapture(AudioBuffer* capture) {}
void EchoCanceller3::ProcessCapture(AudioBuffer* capture,
bool known_echo_path_change) {
RTC_DCHECK_EQ(1u, capture->num_channels());
RTC_DCHECK_EQ(frame_length_, capture->num_frames_per_band());
}
std::string EchoCanceller3::ToString(
const AudioProcessing::Config::EchoCanceller3& config) {
std::stringstream ss;
ss << "{"
<< "enabled: " << (config.enabled ? "true" : "false") << "}";
return ss.str();
}
bool EchoCanceller3::Validate(
const AudioProcessing::Config::EchoCanceller3& config) {
return true;
}
} // namespace webrtc