/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_PROCESSING_COMPONENT_H_
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#define WEBRTC_MODULES_AUDIO_PROCESSING_PROCESSING_COMPONENT_H_
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#include <vector>
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#include "webrtc/common.h"
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namespace webrtc {
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// Functor to use when supplying a verifier function for the queue item
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// verifcation.
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template <typename T>
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class RenderQueueItemVerifier {
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public:
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explicit RenderQueueItemVerifier(size_t minimum_capacity)
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: minimum_capacity_(minimum_capacity) {}
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bool operator()(const std::vector<T>& v) const {
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return v.capacity() >= minimum_capacity_;
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}
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private:
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size_t minimum_capacity_;
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};
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class ProcessingComponent {
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public:
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ProcessingComponent();
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virtual ~ProcessingComponent();
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virtual int Initialize();
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virtual void SetExtraOptions(const Config& config) {}
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virtual int Destroy();
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bool is_component_enabled() const;
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protected:
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virtual int Configure();
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int EnableComponent(bool enable);
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void* handle(size_t index) const;
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size_t num_handles() const;
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private:
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virtual void* CreateHandle() const = 0;
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virtual int InitializeHandle(void* handle) const = 0;
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virtual int ConfigureHandle(void* handle) const = 0;
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virtual void DestroyHandle(void* handle) const = 0;
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virtual size_t num_handles_required() const = 0;
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virtual int GetHandleError(void* handle) const = 0;
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std::vector<void*> handles_;
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bool initialized_;
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bool enabled_;
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size_t num_handles_;
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_AUDIO_PROCESSING_PROCESSING_COMPONENT_H__
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