1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "content/renderer/media/render_media_log.h" 6 7 #include "base/bind.h" 8 #include "base/logging.h" 9 #include "base/message_loop/message_loop_proxy.h" 10 #include "content/common/view_messages.h" 11 #include "content/renderer/render_thread_impl.h" 12 13 using base::Time; 14 using base::TimeDelta; 15 16 namespace content { 17 18 RenderMediaLog::RenderMediaLog() 19 : render_loop_(base::MessageLoopProxy::current()), 20 last_ipc_send_time_(Time::Now()) { 21 DCHECK(RenderThreadImpl::current()) << 22 "RenderMediaLog must be constructed on the render thread"; 23 } 24 25 void RenderMediaLog::AddEvent(scoped_ptr<media::MediaLogEvent> event) { 26 if (!RenderThreadImpl::current()) { 27 render_loop_->PostTask(FROM_HERE, base::Bind( 28 &RenderMediaLog::AddEvent, this, base::Passed(&event))); 29 return; 30 } 31 queued_media_events_.push_back(*event); 32 // Limit the send rate of high frequency events. 33 Time curr_time = Time::Now(); 34 if ((curr_time - last_ipc_send_time_) < TimeDelta::FromSeconds(1)) 35 return; 36 last_ipc_send_time_ = curr_time; 37 DVLOG(1) << "media log events array size " << queued_media_events_.size(); 38 RenderThreadImpl::current()->Send( 39 new ViewHostMsg_MediaLogEvents(queued_media_events_)); 40 queued_media_events_.clear(); 41 } 42 43 RenderMediaLog::~RenderMediaLog() {} 44 45 } // namespace content 46
