Add content::SurfaceCapturer

content/browser/renderer_host/media/video_capture_controller.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/browser/renderer_host/media/video_capture_controller.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 550 matching lines @@
 void VideoCaptureController::DoFrameInfoOnIOThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   DCHECK(!buffer_pool_.get())
       << "Device is restarted without releasing shared memory.";
 
   // Allocate memory only when device has been started.
   if (state_ != VIDEO_CAPTURE_STATE_STARTED)
     return;
 
   scoped_refptr<VideoCaptureBufferPool> buffer_pool =
-      new VideoCaptureBufferPool(frame_info_.width * frame_info_.height * 3 / 2,
-                                 kNoOfBuffers);
+      new VideoCaptureBufferPool(
+          media::VideoFrame::AllocationSize(
+              media::VideoFrame::I420,
+              gfx::Size(frame_info_.width, frame_info_.height)),
+          kNoOfBuffers);
 
   // Check whether all buffers were created successfully.
   if (!buffer_pool->Allocate()) {
     state_ = VIDEO_CAPTURE_STATE_ERROR;
     for (ControllerClients::iterator client_it = controller_clients_.begin();
          client_it != controller_clients_.end(); ++client_it) {
       (*client_it)->event_handler->OnError((*client_it)->controller_id);
     }
     return;
   }
@@ skipping 135 matching lines @@
     controller_clients_.push_back((*client_it));
     pending_clients_.erase(client_it++);
   }
   // Request the manager to start the actual capture.
   video_capture_manager_->Start(current_params_, this);
   state_ = VIDEO_CAPTURE_STATE_STARTED;
   device_in_use_ = true;
 }
 
 }  // namespace content