mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-16 15:20:42 +01:00
3646f973c2
Avoid including audio_processing.h from within AEC3. Bug: webrtc:8844 Change-Id: I02c475c2fb84e2c24eac86baac3c7edaa08bebc0 Reviewed-on: https://webrtc-review.googlesource.com/53065 Commit-Queue: Gustaf Ullberg <gustaf@webrtc.org> Reviewed-by: Per Åhgren <peah@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22029}
63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
/*
|
|
* Copyright (c) 2017 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.
|
|
*/
|
|
|
|
#ifndef MODULES_AUDIO_PROCESSING_AEC3_ECHO_PATH_DELAY_ESTIMATOR_H_
|
|
#define MODULES_AUDIO_PROCESSING_AEC3_ECHO_PATH_DELAY_ESTIMATOR_H_
|
|
|
|
#include <vector>
|
|
|
|
#include "api/audio/echo_canceller3_config.h"
|
|
#include "api/optional.h"
|
|
#include "modules/audio_processing/aec3/decimator.h"
|
|
#include "modules/audio_processing/aec3/delay_estimate.h"
|
|
#include "modules/audio_processing/aec3/downsampled_render_buffer.h"
|
|
#include "modules/audio_processing/aec3/matched_filter.h"
|
|
#include "modules/audio_processing/aec3/matched_filter_lag_aggregator.h"
|
|
#include "rtc_base/constructormagic.h"
|
|
|
|
namespace webrtc {
|
|
|
|
class ApmDataDumper;
|
|
|
|
// Estimates the delay of the echo path.
|
|
class EchoPathDelayEstimator {
|
|
public:
|
|
EchoPathDelayEstimator(ApmDataDumper* data_dumper,
|
|
const EchoCanceller3Config& config);
|
|
~EchoPathDelayEstimator();
|
|
|
|
// Resets the estimation. If the soft-reset is specified, only the matched
|
|
// filters are reset.
|
|
void Reset(bool soft_reset);
|
|
|
|
// Produce a delay estimate if such is avaliable.
|
|
rtc::Optional<DelayEstimate> EstimateDelay(
|
|
const DownsampledRenderBuffer& render_buffer,
|
|
rtc::ArrayView<const float> capture);
|
|
|
|
// Log delay estimator properties.
|
|
void LogDelayEstimationProperties(int sample_rate_hz, size_t shift) const {
|
|
matched_filter_.LogFilterProperties(sample_rate_hz, shift,
|
|
down_sampling_factor_);
|
|
}
|
|
|
|
private:
|
|
ApmDataDumper* const data_dumper_;
|
|
const size_t down_sampling_factor_;
|
|
const size_t sub_block_size_;
|
|
Decimator capture_decimator_;
|
|
MatchedFilter matched_filter_;
|
|
MatchedFilterLagAggregator matched_filter_lag_aggregator_;
|
|
|
|
RTC_DISALLOW_COPY_AND_ASSIGN(EchoPathDelayEstimator);
|
|
};
|
|
} // namespace webrtc
|
|
|
|
#endif // MODULES_AUDIO_PROCESSING_AEC3_ECHO_PATH_DELAY_ESTIMATOR_H_
|