1/* 2 * libjingle 3 * Copyright 2015 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#include "talk/app/webrtc/mediacontroller.h" 29 30#include "talk/session/media/channelmanager.h" 31#include "webrtc/base/bind.h" 32#include "webrtc/base/checks.h" 33#include "webrtc/call.h" 34 35namespace { 36 37const int kMinBandwidthBps = 30000; 38const int kStartBandwidthBps = 300000; 39const int kMaxBandwidthBps = 2000000; 40 41class MediaController : public webrtc::MediaControllerInterface, 42 public sigslot::has_slots<> { 43 public: 44 MediaController(rtc::Thread* worker_thread, 45 cricket::ChannelManager* channel_manager) 46 : worker_thread_(worker_thread), channel_manager_(channel_manager) { 47 RTC_DCHECK(nullptr != worker_thread); 48 worker_thread_->Invoke<void>( 49 rtc::Bind(&MediaController::Construct_w, this, 50 channel_manager_->media_engine())); 51 } 52 ~MediaController() override { 53 worker_thread_->Invoke<void>(rtc::Bind(&MediaController::Destruct_w, this)); 54 } 55 56 webrtc::Call* call_w() override { 57 RTC_DCHECK(worker_thread_->IsCurrent()); 58 return call_.get(); 59 } 60 61 cricket::ChannelManager* channel_manager() const override { 62 return channel_manager_; 63 } 64 65 private: 66 void Construct_w(cricket::MediaEngineInterface* media_engine) { 67 RTC_DCHECK(worker_thread_->IsCurrent()); 68 RTC_DCHECK(media_engine); 69 webrtc::Call::Config config; 70 config.audio_state = media_engine->GetAudioState(); 71 config.bitrate_config.min_bitrate_bps = kMinBandwidthBps; 72 config.bitrate_config.start_bitrate_bps = kStartBandwidthBps; 73 config.bitrate_config.max_bitrate_bps = kMaxBandwidthBps; 74 call_.reset(webrtc::Call::Create(config)); 75 } 76 void Destruct_w() { 77 RTC_DCHECK(worker_thread_->IsCurrent()); 78 call_.reset(); 79 } 80 81 rtc::Thread* const worker_thread_; 82 cricket::ChannelManager* const channel_manager_; 83 rtc::scoped_ptr<webrtc::Call> call_; 84 85 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(MediaController); 86}; 87} // namespace { 88 89namespace webrtc { 90 91MediaControllerInterface* MediaControllerInterface::Create( 92 rtc::Thread* worker_thread, 93 cricket::ChannelManager* channel_manager) { 94 return new MediaController(worker_thread, channel_manager); 95} 96} // namespace webrtc 97