peah 38fd1758e9 Added first layer of the echo canceller 3 functionality.
This CL adds the first layer of the echo canceller 3.
All of the code is as it should, apart from
block_processor.* which only contains placeholder
functionality. (Upcoming CLs will add proper
functionality into those files.)

BUG=webrtc:6018

Review-Url: https://codereview.webrtc.org/2584493002
Cr-Commit-Position: refs/heads/master@{#15861}
2017-01-02 11:13:38 +00:00

74 lines
2.4 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/block_processor.h"
#include "webrtc/base/atomicops.h"
#include "webrtc/base/optional.h"
#include "webrtc/modules/audio_processing/aec3/aec3_constants.h"
namespace webrtc {
namespace {
class BlockProcessorImpl final : public BlockProcessor {
public:
explicit BlockProcessorImpl(int sample_rate_hz);
~BlockProcessorImpl() override;
void ProcessCapture(bool known_echo_path_change,
bool saturated_microphone_signal,
std::vector<std::vector<float>>* capture_block) override;
bool BufferRender(std::vector<std::vector<float>>* block) override;
void ReportEchoLeakage(bool leakage_detected) override;
private:
const size_t sample_rate_hz_;
static int instance_count_;
std::unique_ptr<ApmDataDumper> data_dumper_;
RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(BlockProcessorImpl);
};
int BlockProcessorImpl::instance_count_ = 0;
BlockProcessorImpl::BlockProcessorImpl(int sample_rate_hz)
: sample_rate_hz_(sample_rate_hz),
data_dumper_(
new ApmDataDumper(rtc::AtomicOps::Increment(&instance_count_))) {}
BlockProcessorImpl::~BlockProcessorImpl() = default;
void BlockProcessorImpl::ProcessCapture(
bool known_echo_path_change,
bool saturated_microphone_signal,
std::vector<std::vector<float>>* capture_block) {
RTC_DCHECK(capture_block);
RTC_DCHECK_EQ(NumBandsForRate(sample_rate_hz_), capture_block->size());
RTC_DCHECK_EQ(kBlockSize, (*capture_block)[0].size());
}
bool BlockProcessorImpl::BufferRender(
std::vector<std::vector<float>>* render_block) {
RTC_DCHECK(render_block);
RTC_DCHECK_EQ(NumBandsForRate(sample_rate_hz_), render_block->size());
RTC_DCHECK_EQ(kBlockSize, (*render_block)[0].size());
return false;
}
void BlockProcessorImpl::ReportEchoLeakage(bool leakage_detected) {}
} // namespace
BlockProcessor* BlockProcessor::Create(int sample_rate_hz) {
return new BlockProcessorImpl(sample_rate_hz);
}
} // namespace webrtc