webrtc/modules/audio_processing/aec3/block_processor.h
Mirko Bonadei bb547203bf Moving src/webrtc into src/.
In order to eliminate the WebRTC Subtree mirror in Chromium, 
WebRTC is moving the content of the src/webrtc directory up
to the src/ directory.

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org

Bug: chromium:611808
Change-Id: Iac59c5b51b950f174119565bac87955a7994bc38
Reviewed-on: https://webrtc-review.googlesource.com/1560
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19845}
2017-09-15 04:25:06 +00:00

60 lines
2.1 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.
*/
#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_BLOCK_PROCESSOR_H_
#define WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_BLOCK_PROCESSOR_H_
#include <memory>
#include <vector>
#include "webrtc/modules/audio_processing/aec3/echo_remover.h"
#include "webrtc/modules/audio_processing/aec3/render_delay_buffer.h"
#include "webrtc/modules/audio_processing/aec3/render_delay_controller.h"
namespace webrtc {
// Class for performing echo cancellation on 64 sample blocks of audio data.
class BlockProcessor {
public:
static BlockProcessor* Create(
const AudioProcessing::Config::EchoCanceller3& config,
int sample_rate_hz);
// Only used for testing purposes.
static BlockProcessor* Create(
const AudioProcessing::Config::EchoCanceller3& config,
int sample_rate_hz,
std::unique_ptr<RenderDelayBuffer> render_buffer);
static BlockProcessor* Create(
const AudioProcessing::Config::EchoCanceller3& config,
int sample_rate_hz,
std::unique_ptr<RenderDelayBuffer> render_buffer,
std::unique_ptr<RenderDelayController> delay_controller,
std::unique_ptr<EchoRemover> echo_remover);
virtual ~BlockProcessor() = default;
// Processes a block of capture data.
virtual void ProcessCapture(
bool echo_path_gain_change,
bool capture_signal_saturation,
std::vector<std::vector<float>>* capture_block) = 0;
// Buffers a block of render data supplied by a FrameBlocker object.
virtual void BufferRender(
const std::vector<std::vector<float>>& render_block) = 0;
// Reports whether echo leakage has been detected in the echo canceller
// output.
virtual void UpdateEchoLeakageStatus(bool leakage_detected) = 0;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_BLOCK_PROCESSOR_H_