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/*
* Copyright (c) 2012 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_PROCESSING_COMPONENT_H_
#define WEBRTC_MODULES_AUDIO_PROCESSING_PROCESSING_COMPONENT_H_
#include <vector>
#include "webrtc/common.h"
namespace webrtc {
// Functor to use when supplying a verifier function for the queue item
// verifcation.
template <typename T>
class RenderQueueItemVerifier {
public:
explicit RenderQueueItemVerifier(size_t minimum_capacity)
: minimum_capacity_(minimum_capacity) {}
bool operator()(const std::vector<T>& v) const {
return v.capacity() >= minimum_capacity_;
}
private:
size_t minimum_capacity_;
};
class ProcessingComponent {
public:
ProcessingComponent();
virtual ~ProcessingComponent();
virtual int Initialize();
virtual void SetExtraOptions(const Config& config) {}
virtual int Destroy();
bool is_component_enabled() const;
protected:
virtual int Configure();
int EnableComponent(bool enable);
void* handle(size_t index) const;
size_t num_handles() const;
private:
virtual void* CreateHandle() const = 0;
virtual int InitializeHandle(void* handle) const = 0;
virtual int ConfigureHandle(void* handle) const = 0;
virtual void DestroyHandle(void* handle) const = 0;
virtual size_t num_handles_required() const = 0;
virtual int GetHandleError(void* handle) const = 0;
std::vector<void*> handles_;
bool initialized_;
bool enabled_;
size_t num_handles_;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_AUDIO_PROCESSING_PROCESSING_COMPONENT_H__
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