1/*
2 *  Copyright (c) 2011 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_MAIN_SOURCE_PROCESSING_COMPONENT_H_
12#define WEBRTC_MODULES_AUDIO_PROCESSING_MAIN_SOURCE_PROCESSING_COMPONENT_H_
13
14#include <vector>
15
16#include "audio_processing.h"
17
18namespace webrtc {
19class AudioProcessingImpl;
20
21class ProcessingComponent {
22 public:
23  explicit ProcessingComponent(const AudioProcessingImpl* apm);
24  virtual ~ProcessingComponent();
25
26  virtual int Initialize();
27  virtual int Destroy();
28  virtual int get_version(char* version, int version_len_bytes) const = 0;
29
30  bool is_component_enabled() const;
31
32 protected:
33  virtual int Configure();
34  int EnableComponent(bool enable);
35  void* handle(int index) const;
36  int num_handles() const;
37
38 private:
39  virtual void* CreateHandle() const = 0;
40  virtual int InitializeHandle(void* handle) const = 0;
41  virtual int ConfigureHandle(void* handle) const = 0;
42  virtual int DestroyHandle(void* handle) const = 0;
43  virtual int num_handles_required() const = 0;
44  virtual int GetHandleError(void* handle) const = 0;
45
46  const AudioProcessingImpl* apm_;
47  std::vector<void*> handles_;
48  bool initialized_;
49  bool enabled_;
50  int num_handles_;
51};
52}  // namespace webrtc
53
54#endif  // WEBRTC_MODULES_AUDIO_PROCESSING_MAIN_SOURCE_PROCESSING_COMPONENT_H__
55