e78bcb97c3
Bug: webrtc:5584 Change-Id: I2fd1395d35596d9002e19cc90fcda3a5d4cde9e7 Reviewed-on: https://webrtc-review.googlesource.com/16564 Commit-Queue: Steve Anton <steveanton@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20504}
89 lines
2.4 KiB
C++
89 lines
2.4 KiB
C++
/*
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* Copyright (c) 2004 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 MEDIA_ENGINE_WEBRTCVOE_H_
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#define MEDIA_ENGINE_WEBRTCVOE_H_
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#include <memory>
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#include "common_types.h" // NOLINT(build/include)
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#include "modules/audio_device/include/audio_device.h"
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#include "voice_engine/include/voe_base.h"
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#include "voice_engine/include/voe_errors.h"
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namespace cricket {
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// automatically handles lifetime of WebRtc VoiceEngine
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class scoped_voe_engine {
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public:
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explicit scoped_voe_engine(webrtc::VoiceEngine* e) : ptr(e) {}
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// RTC_DCHECK, to ensure that there are no leaks at shutdown
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~scoped_voe_engine() {
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if (ptr) {
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const bool success = webrtc::VoiceEngine::Delete(ptr);
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RTC_DCHECK(success);
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}
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}
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// Releases the current pointer.
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void reset() {
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if (ptr) {
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const bool success = webrtc::VoiceEngine::Delete(ptr);
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RTC_DCHECK(success);
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ptr = NULL;
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}
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}
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webrtc::VoiceEngine* get() const { return ptr; }
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private:
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webrtc::VoiceEngine* ptr;
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};
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// unique_ptr-like class to handle obtaining and releasing WebRTC interface
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// pointers.
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template<class T>
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class scoped_voe_ptr {
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public:
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explicit scoped_voe_ptr(const scoped_voe_engine& e)
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: ptr(T::GetInterface(e.get())) {}
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explicit scoped_voe_ptr(T* p) : ptr(p) {}
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~scoped_voe_ptr() { if (ptr) ptr->Release(); }
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T* operator->() const { return ptr; }
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T* get() const { return ptr; }
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// Releases the current pointer.
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void reset() {
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if (ptr) {
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ptr->Release();
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ptr = NULL;
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}
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}
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private:
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T* ptr;
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};
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// Utility class for aggregating the various WebRTC interface.
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// Fake implementations can also be injected for testing.
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class VoEWrapper {
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public:
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VoEWrapper()
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: engine_(webrtc::VoiceEngine::Create()), base_(engine_) {
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}
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explicit VoEWrapper(webrtc::VoEBase* base) : engine_(NULL), base_(base) {}
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~VoEWrapper() {}
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webrtc::VoiceEngine* engine() const { return engine_.get(); }
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webrtc::VoEBase* base() const { return base_.get(); }
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private:
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scoped_voe_engine engine_;
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scoped_voe_ptr<webrtc::VoEBase> base_;
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};
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} // namespace cricket
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#endif // MEDIA_ENGINE_WEBRTCVOE_H_
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