121 lines
4.4 KiB
C++
121 lines
4.4 KiB
C++
/*
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* libjingle
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* Copyright 2004--2011, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_APP_WEBRTC_VIDEOENGINE_H_
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#define TALK_APP_WEBRTC_VIDEOENGINE_H_
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#include "talk/base/common.h"
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#include "common_types.h"
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#include "video_engine/main/interface/vie_base.h"
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#include "video_engine/main/interface/vie_capture.h"
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#include "video_engine/main/interface/vie_codec.h"
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#include "video_engine/main/interface/vie_errors.h"
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#include "video_engine/main/interface/vie_image_process.h"
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#include "video_engine/main/interface/vie_network.h"
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#include "video_engine/main/interface/vie_render.h"
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#include "video_engine/main/interface/vie_rtp_rtcp.h"
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namespace webrtc {
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// all tracing macros should go to a common file
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// automatically handles lifetime of VideoEngine
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class scoped_video_engine {
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public:
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explicit scoped_video_engine(VideoEngine* e) : ptr(e) {}
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// VERIFY, to ensure that there are no leaks at shutdown
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~scoped_video_engine() {
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if (ptr) {
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VideoEngine::Delete(ptr);
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}
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}
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VideoEngine* get() const { return ptr; }
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private:
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VideoEngine* ptr;
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};
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// scoped_ptr class to handle obtaining and releasing VideoEngine
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// interface pointers
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template<class T> class scoped_video_ptr {
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public:
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explicit scoped_video_ptr(const scoped_video_engine& e)
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: ptr(T::GetInterface(e.get())) {}
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explicit scoped_video_ptr(T* p) : ptr(p) {}
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~scoped_video_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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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 VideoEngineWrapper {
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public:
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VideoEngineWrapper()
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: engine_(VideoEngine::Create()),
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base_(engine_), codec_(engine_), capture_(engine_),
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network_(engine_), render_(engine_), rtp_(engine_),
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image_(engine_) {
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}
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VideoEngineWrapper(ViEBase* base, ViECodec* codec, ViECapture* capture,
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ViENetwork* network, ViERender* render,
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ViERTP_RTCP* rtp, ViEImageProcess* image)
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: engine_(NULL),
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base_(base), codec_(codec), capture_(capture),
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network_(network), render_(render), rtp_(rtp),
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image_(image) {
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}
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virtual ~VideoEngineWrapper() {}
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VideoEngine* engine() { return engine_.get(); }
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ViEBase* base() { return base_.get(); }
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ViECodec* codec() { return codec_.get(); }
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ViECapture* capture() { return capture_.get(); }
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ViENetwork* network() { return network_.get(); }
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ViERender* render() { return render_.get(); }
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ViERTP_RTCP* rtp() { return rtp_.get(); }
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ViEImageProcess* sync() { return image_.get(); }
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int error() { return base_->LastError(); }
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private:
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scoped_video_engine engine_;
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scoped_video_ptr<ViEBase> base_;
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scoped_video_ptr<ViECodec> codec_;
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scoped_video_ptr<ViECapture> capture_;
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scoped_video_ptr<ViENetwork> network_;
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scoped_video_ptr<ViERender> render_;
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scoped_video_ptr<ViERTP_RTCP> rtp_;
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scoped_video_ptr<ViEImageProcess> image_;
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};
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} //namespace webrtc
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#endif // TALK_APP_WEBRTC_VOICEENGINE_H_
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