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 18 namespace webrtc { 19 class AudioProcessingImpl; 20 21 class 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
