mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-16 15:20:42 +01:00
e3e30ae5c5
This reverts commit f3a197e553.
Reason for revert: Speculative revert, as this may'be broken some build bots
Original change's description:
> Add core multi-channel pipeline in AEC3
> This CL adds basic the basic pipeline to support multi-channel
> processing in AEC3.
>
> Apart from that, it removes the 8 kHz processing support in several
> places of the AEC3 code.
>
> Bug: webrtc:10913
> Change-Id: If5b75fa325ed0071deea94a7546cb4a7adf22137
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/150332
> Commit-Queue: Per Åhgren <peah@webrtc.org>
> Reviewed-by: Sam Zackrisson <saza@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#29017}
TBR=saza@webrtc.org,peah@webrtc.org
Change-Id: I877d2993b9ccf024bd1d57bca1513c3e24d0bed3
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: webrtc:10913
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/150940
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29022}
55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
/*
|
|
* Copyright (c) 2018 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 API_AUDIO_ECHO_CONTROL_H_
|
|
#define API_AUDIO_ECHO_CONTROL_H_
|
|
|
|
#include <memory>
|
|
|
|
namespace webrtc {
|
|
|
|
class AudioBuffer;
|
|
|
|
// Interface for an acoustic echo cancellation (AEC) submodule.
|
|
class EchoControl {
|
|
public:
|
|
// Analysis (not changing) of the render signal.
|
|
virtual void AnalyzeRender(AudioBuffer* render) = 0;
|
|
|
|
// Analysis (not changing) of the capture signal.
|
|
virtual void AnalyzeCapture(AudioBuffer* capture) = 0;
|
|
|
|
// Processes the capture signal in order to remove the echo.
|
|
virtual void ProcessCapture(AudioBuffer* capture, bool echo_path_change) = 0;
|
|
|
|
struct Metrics {
|
|
double echo_return_loss;
|
|
double echo_return_loss_enhancement;
|
|
int delay_ms;
|
|
};
|
|
|
|
// Collect current metrics from the echo controller.
|
|
virtual Metrics GetMetrics() const = 0;
|
|
|
|
// Provides an optional external estimate of the audio buffer delay.
|
|
virtual void SetAudioBufferDelay(size_t delay_ms) = 0;
|
|
|
|
virtual ~EchoControl() {}
|
|
};
|
|
|
|
// Interface for a factory that creates EchoControllers.
|
|
class EchoControlFactory {
|
|
public:
|
|
virtual std::unique_ptr<EchoControl> Create(int sample_rate_hz) = 0;
|
|
virtual ~EchoControlFactory() = default;
|
|
};
|
|
} // namespace webrtc
|
|
|
|
#endif // API_AUDIO_ECHO_CONTROL_H_
|