40b3b68cdf
git-svn-id: http://webrtc.googlecode.com/svn/trunk@5632 4adac7df-926f-26a2-2b94-8c16560cd09d
119 lines
4.0 KiB
C++
119 lines
4.0 KiB
C++
//
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// libjingle
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// Copyright 2004 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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#include "talk/media/base/mediaengine.h"
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namespace cricket {
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const int MediaEngineInterface::kDefaultAudioDelayOffset = 0;
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}
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#if !defined(DISABLE_MEDIA_ENGINE_FACTORY)
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#if defined(HAVE_LINPHONE)
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#include "talk/media/other/linphonemediaengine.h"
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#endif // HAVE_LINPHONE
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#if defined(HAVE_WEBRTC_VOICE)
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#include "talk/media/webrtc/webrtcvoiceengine.h"
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#endif // HAVE_WEBRTC_VOICE
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#if defined(HAVE_WEBRTC_VIDEO)
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#include "talk/media/webrtc/webrtcvideoengine.h"
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#endif // HAVE_WEBRTC_VIDEO
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#if defined(HAVE_LMI)
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#include "talk/media/base/hybridvideoengine.h"
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#include "talk/media/lmi/lmimediaengine.h"
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#endif // HAVE_LMI
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif // HAVE_CONFIG
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namespace cricket {
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#if defined(HAVE_WEBRTC_VOICE)
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#define AUDIO_ENG_NAME WebRtcVoiceEngine
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#else
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#define AUDIO_ENG_NAME NullVoiceEngine
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#endif
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#if defined(HAVE_WEBRTC_VIDEO)
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#if !defined(HAVE_LMI)
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template<>
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CompositeMediaEngine<WebRtcVoiceEngine, WebRtcVideoEngine>::
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CompositeMediaEngine() {
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video_.SetVoiceEngine(&voice_);
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}
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#define VIDEO_ENG_NAME WebRtcVideoEngine
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#else
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// If we have both WebRtcVideoEngine and LmiVideoEngine, enable dual-stack.
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// This small class here allows us to hook the WebRtcVideoChannel up to
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// the capturer owned by the LMI engine, without infecting the rest of the
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// HybridVideoEngine classes with this abstraction violation.
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class WebRtcLmiHybridVideoEngine
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: public HybridVideoEngine<WebRtcVideoEngine, LmiVideoEngine> {
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public:
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void SetVoiceEngine(WebRtcVoiceEngine* engine) {
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video1_.SetVoiceEngine(engine);
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}
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};
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template<>
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CompositeMediaEngine<WebRtcVoiceEngine, WebRtcLmiHybridVideoEngine>::
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CompositeMediaEngine() {
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video_.SetVoiceEngine(&voice_);
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}
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#define VIDEO_ENG_NAME WebRtcLmiHybridVideoEngine
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#endif
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#elif defined(HAVE_LMI)
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#define VIDEO_ENG_NAME LmiVideoEngine
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#else
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#define VIDEO_ENG_NAME NullVideoEngine
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#endif
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MediaEngineFactory::MediaEngineCreateFunction
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MediaEngineFactory::create_function_ = NULL;
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MediaEngineFactory::MediaEngineCreateFunction
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MediaEngineFactory::SetCreateFunction(MediaEngineCreateFunction function) {
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MediaEngineCreateFunction old_function = create_function_;
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create_function_ = function;
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return old_function;
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};
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MediaEngineInterface* MediaEngineFactory::Create() {
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if (create_function_) {
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return create_function_();
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} else {
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#if defined(HAVE_LINPHONE)
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return new LinphoneMediaEngine("", "");
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#elif defined(AUDIO_ENG_NAME) && defined(VIDEO_ENG_NAME)
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return new CompositeMediaEngine<AUDIO_ENG_NAME, VIDEO_ENG_NAME>();
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#else
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return new NullMediaEngine();
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#endif
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}
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}
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}; // namespace cricket
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#endif // DISABLE_MEDIA_ENGINE_FACTORY
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