Define EncodedVideoSource and RtcCapturedEncodingVideoCapturer.

content/renderer/media/video_capture_impl_manager.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/media/video_capture_impl_manager.h"
 
 #include "base/bind.h"
 #include "base/stl_util.h"
+#include "content/renderer/media/rtc_encoding_video_capturer_factory.h"
 #include "content/renderer/media/video_capture_impl.h"
 #include "content/renderer/media/video_capture_message_filter.h"
 
 namespace content {
 
 VideoCaptureImplManager::VideoCaptureImplManager()
     : thread_("VC manager") {
   thread_.Start();
   message_loop_proxy_ = thread_.message_loop_proxy();
   filter_ = new VideoCaptureMessageFilter();
 }
 
 media::VideoCapture* VideoCaptureImplManager::AddDevice(
     media::VideoCaptureSessionId id,
     media::VideoCapture::EventHandler* handler) {
   DCHECK(handler);
 
   base::AutoLock auto_lock(lock_);
   Devices::iterator it = devices_.find(id);
   if (it == devices_.end()) {
     VideoCaptureImpl* vc =
         new VideoCaptureImpl(id, message_loop_proxy_.get(), filter_.get());
     devices_[id] = new Device(vc, handler);
     vc->Init();
+    if (encoding_capturer_factory_)
+      encoding_capturer_factory_->OnEncodedVideoSourceAdded(vc);
     return vc;
   }
 
   devices_[id]->clients.push_front(handler);
   return it->second->vc;
 }
 
 void VideoCaptureImplManager::SuspendDevices(bool suspend) {
   base::AutoLock auto_lock(lock_);
   for (Devices::iterator it = devices_.begin(); it != devices_.end(); ++it)
     it->second->vc->SuspendCapture(suspend);
 }
 
 void VideoCaptureImplManager::RemoveDevice(
     media::VideoCaptureSessionId id,
     media::VideoCapture::EventHandler* handler) {
   DCHECK(handler);
 
   base::AutoLock auto_lock(lock_);
   Devices::iterator it = devices_.find(id);
   if (it == devices_.end())
     return;
 
   size_t size = it->second->clients.size();
   it->second->clients.remove(handler);
 
   if (size == it->second->clients.size() || size > 1)
     return;
 
+  if (encoding_capturer_factory_)
+    encoding_capturer_factory_->OnEncodedVideoSourceRemoved(devices_[id]->vc);
+
   devices_[id]->vc->DeInit(base::Bind(&VideoCaptureImplManager::FreeDevice,
                                       this, devices_[id]->vc));
   delete devices_[id];
   devices_.erase(id);
 }
 
 void VideoCaptureImplManager::FreeDevice(VideoCaptureImpl* vc) {
   delete vc;
 }
 
 VideoCaptureImplManager::~VideoCaptureImplManager() {
   thread_.Stop();
   // TODO(wjia): uncomment the line below after collecting enough info for
   // crbug.com/152418.
   // STLDeleteContainerPairSecondPointers(devices_.begin(), devices_.end());
 }
 
 VideoCaptureImplManager::Device::Device(
     VideoCaptureImpl* device,
     media::VideoCapture::EventHandler* handler)
     : vc(device) {
   clients.push_front(handler);
 }
 
 VideoCaptureImplManager::Device::~Device() {}
 
 }  // namespace content