1/* 2 * libjingle 3 * Copyright 2014 Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#if defined(LIBPEERCONNECTION_LIB) || \ 29 defined(LIBPEERCONNECTION_IMPLEMENTATION) 30 31#include "talk/media/webrtc/webrtcmediaengine.h" 32#include "talk/media/webrtc/webrtcvideoengine.h" 33#ifdef WEBRTC_CHROMIUM_BUILD 34#include "talk/media/webrtc/webrtcvideoengine2.h" 35#endif 36#include "talk/media/webrtc/webrtcvoiceengine.h" 37#ifdef WEBRTC_CHROMIUM_BUILD 38#include "webrtc/system_wrappers/interface/field_trial.h" 39#endif 40 41namespace cricket { 42 43class WebRtcMediaEngine : 44 public CompositeMediaEngine<WebRtcVoiceEngine, WebRtcVideoEngine> { 45 public: 46 WebRtcMediaEngine() {} 47 WebRtcMediaEngine(webrtc::AudioDeviceModule* adm, 48 webrtc::AudioDeviceModule* adm_sc, 49 WebRtcVideoEncoderFactory* encoder_factory, 50 WebRtcVideoDecoderFactory* decoder_factory) { 51 voice_.SetAudioDeviceModule(adm, adm_sc); 52 video_.SetVoiceEngine(&voice_); 53 video_.SetExternalEncoderFactory(encoder_factory); 54 video_.SetExternalDecoderFactory(decoder_factory); 55 } 56}; 57 58#ifdef WEBRTC_CHROMIUM_BUILD 59class WebRtcMediaEngine2 : 60 public CompositeMediaEngine<WebRtcVoiceEngine, WebRtcVideoEngine2> { 61 public: 62 WebRtcMediaEngine2(webrtc::AudioDeviceModule* adm, 63 webrtc::AudioDeviceModule* adm_sc, 64 WebRtcVideoEncoderFactory* encoder_factory, 65 WebRtcVideoDecoderFactory* decoder_factory) { 66 voice_.SetAudioDeviceModule(adm, adm_sc); 67 video_.SetExternalDecoderFactory(decoder_factory); 68 video_.SetExternalEncoderFactory(encoder_factory); 69 video_.SetVoiceEngine(&voice_); 70 } 71}; 72#endif // WEBRTC_CHROMIUM_BUILD 73 74} // namespace cricket 75 76WRME_EXPORT 77cricket::MediaEngineInterface* CreateWebRtcMediaEngine( 78 webrtc::AudioDeviceModule* adm, 79 webrtc::AudioDeviceModule* adm_sc, 80 cricket::WebRtcVideoEncoderFactory* encoder_factory, 81 cricket::WebRtcVideoDecoderFactory* decoder_factory) { 82#ifdef WEBRTC_CHROMIUM_BUILD 83 if (webrtc::field_trial::FindFullName("WebRTC-NewVideoAPI") == "Enabled") { 84 return new cricket::WebRtcMediaEngine2( 85 adm, adm_sc, encoder_factory, decoder_factory); 86 } 87#endif // WEBRTC_CHROMIUM_BUILD 88 return new cricket::WebRtcMediaEngine( 89 adm, adm_sc, encoder_factory, decoder_factory); 90} 91 92WRME_EXPORT 93void DestroyWebRtcMediaEngine(cricket::MediaEngineInterface* media_engine) { 94 delete media_engine; 95} 96 97namespace cricket { 98 99// Used by ChannelManager when no media engine is passed in to it 100// explicitly (acts as a default). 101MediaEngineInterface* WebRtcMediaEngineFactory::Create() { 102 return new cricket::WebRtcMediaEngine(); 103} 104 105// Used by PeerConnectionFactory to create a media engine passed into 106// ChannelManager. 107MediaEngineInterface* WebRtcMediaEngineFactory::Create( 108 webrtc::AudioDeviceModule* adm, 109 webrtc::AudioDeviceModule* adm_sc, 110 WebRtcVideoEncoderFactory* encoder_factory, 111 WebRtcVideoDecoderFactory* decoder_factory) { 112 return CreateWebRtcMediaEngine(adm, adm_sc, encoder_factory, decoder_factory); 113} 114 115} // namespace cricket 116 117#endif // defined(LIBPEERCONNECTION_LIB) || 118 // defined(LIBPEERCONNECTION_IMPLEMENTATION) 119