Add media::VideoEncodeAccelerator with WebRTC integration

content/common/gpu/client/gpu_channel_host.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/common/gpu/client/gpu_channel_host.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/message_loop/message_loop.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/posix/eintr_wrapper.h"
 #include "base/threading/thread_restrictions.h"
 #include "content/common/gpu/client/command_buffer_proxy_impl.h"
+#include "content/common/gpu/client/gpu_video_encode_accelerator_host.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "gpu/command_buffer/common/mailbox.h"
 #include "ipc/ipc_sync_message_filter.h"
 #include "url/gurl.h"
 
 #if defined(OS_WIN)
 #include "content/public/common/sandbox_init.h"
 #endif
 
 using base::AutoLock;
@@ skipping 151 matching lines @@
     int command_buffer_route_id,
     media::VideoCodecProfile profile,
     media::VideoDecodeAccelerator::Client* client) {
   AutoLock lock(context_lock_);
   ProxyMap::iterator it = proxies_.find(command_buffer_route_id);
   DCHECK(it != proxies_.end());
   CommandBufferProxyImpl* proxy = it->second;
   return proxy->CreateVideoDecoder(profile, client).Pass();
 }
 
+scoped_ptr<media::VideoEncodeAccelerator> GpuChannelHost::CreateVideoEncoder(
+    media::VideoEncodeAccelerator::Client* client) {
+  TRACE_EVENT0("gpu", "GpuChannelHost::CreateVideoEncoder");
+
+  scoped_ptr<media::VideoEncodeAccelerator> vea;
+  int32 route_id;
+  if (!Send(new GpuChannelMsg_CreateVideoEncoder(&route_id))) {
+    return vea.Pass();
+  }
+  if (route_id == MSG_ROUTING_NONE)
+    return vea.Pass();
+
+  vea.reset(new GpuVideoEncodeAcceleratorHost(client, this, route_id));
+  return vea.Pass();
+}
+
 void GpuChannelHost::DestroyCommandBuffer(
     CommandBufferProxyImpl* command_buffer) {
   TRACE_EVENT0("gpu", "GpuChannelHost::DestroyCommandBuffer");
 
   int route_id = command_buffer->GetRouteID();
   Send(new GpuChannelMsg_DestroyCommandBuffer(route_id));
   RemoveRoute(route_id);
 
   AutoLock lock(context_lock_);
   proxies_.erase(route_id);
@@ skipping 199 matching lines @@
   AutoLock lock(lock_);
   DCHECK_LE(names.size(), requested_mailboxes_);
   requested_mailboxes_ -= names.size();
   mailbox_name_pool_.insert(mailbox_name_pool_.end(),
                             names.begin(),
                             names.end());
 }
 
 
 }  // namespace content