Line data    Source code

       1             : /*
       2             :  *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
       3             :  *
       4             :  *  Use of this source code is governed by a BSD-style license
       5             :  *  that can be found in the LICENSE file in the root of the source
       6             :  *  tree. An additional intellectual property rights grant can be found
       7             :  *  in the file PATENTS.  All contributing project authors may
       8             :  *  be found in the AUTHORS file in the root of the source tree.
       9             :  */
      10             : 
      11             : #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_BLOCK_PROCESSOR_H_
      12             : #define WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_BLOCK_PROCESSOR_H_
      13             : 
      14             : #include <memory>
      15             : #include <vector>
      16             : 
      17             : #include "webrtc/base/constructormagic.h"
      18             : #include "webrtc/modules/audio_processing/logging/apm_data_dumper.h"
      19             : 
      20             : namespace webrtc {
      21             : 
      22             : // Class for performing echo cancellation on 64 sample blocks of audio data.
      23           0 : class BlockProcessor {
      24             :  public:
      25             :   static BlockProcessor* Create(int sample_rate_hz);
      26           0 :   virtual ~BlockProcessor() = default;
      27             : 
      28             :   // Processes a block of capture data.
      29             :   virtual void ProcessCapture(
      30             :       bool known_echo_path_change,
      31             :       bool saturated_microphone_signal,
      32             :       std::vector<std::vector<float>>* capture_block) = 0;
      33             : 
      34             :   // Buffers a block of render data supplied by a FrameBlocker object.
      35             :   virtual bool BufferRender(std::vector<std::vector<float>>* render_block) = 0;
      36             : 
      37             :   // Reports whether echo leakage has been detected in the echo canceller
      38             :   // output.
      39             :   virtual void ReportEchoLeakage(bool leakage_detected) = 0;
      40             : };
      41             : 
      42             : }  // namespace webrtc
      43             : 
      44             : #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_AEC3_BLOCK_PROCESSOR_H_