Pass GpuMemoryBuffer backed VideoFrame from browser to renderer processes

content/renderer/media/video_capture_message_filter.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_message_filter.h"
 
 #include "content/common/media/video_capture_messages.h"
 #include "content/common/view_messages.h"
 #include "ipc/ipc_sender.h"
 
@@ skipping 43 matching lines @@
 
   return sender_->Send(message);
 }
 
 bool VideoCaptureMessageFilter::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(VideoCaptureMessageFilter, message)
     IPC_MESSAGE_HANDLER(VideoCaptureMsg_BufferReady, OnBufferReceived)
     IPC_MESSAGE_HANDLER(VideoCaptureMsg_StateChanged, OnDeviceStateChanged)
     IPC_MESSAGE_HANDLER(VideoCaptureMsg_NewBuffer, OnBufferCreated)
+    IPC_MESSAGE_HANDLER(VideoCaptureMsg_NewBuffer2, OnBufferCreated2)
     IPC_MESSAGE_HANDLER(VideoCaptureMsg_FreeBuffer, OnBufferDestroyed)
     IPC_MESSAGE_HANDLER(VideoCaptureMsg_DeviceSupportedFormatsEnumerated,
                         OnDeviceSupportedFormatsEnumerated)
     IPC_MESSAGE_HANDLER(VideoCaptureMsg_DeviceFormatsInUseReceived,
                         OnDeviceFormatsInUseReceived)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
@@ skipping 29 matching lines @@
                                                 int length,
                                                 int buffer_id) {
   Delegate* const delegate = find_delegate(device_id);
   if (!delegate) {
     DLOG(WARNING) << "OnBufferCreated: Got video SHM buffer for a "
                      "non-existent or removed video capture.";
 
     // Send the buffer back to Host in case it's waiting for all buffers
     // to be returned.
     base::SharedMemory::CloseHandle(handle);
-    Send(new VideoCaptureHostMsg_BufferReady(device_id, buffer_id, 0, -1.0));
+
+    Send(new VideoCaptureHostMsg_BufferReady(
+        device_id, buffer_id, 0 /* release_sync_point */,
+        -1.0 /* consumer_resource_utilization */));
     return;
   }
 
   delegate->OnBufferCreated(handle, length, buffer_id);
 }
 
+void VideoCaptureMessageFilter::OnBufferCreated2(
+    int device_id,
+    const std::vector<gfx::GpuMemoryBufferHandle>& gmb_handles,

[reveman, 2015/08/26 11:54:05]

nit: s/gmb_handles/handles/

[emircan, 2015/08/26 21:23:12]

Done.

+    const gfx::Size& size,
+    int buffer_id) {
+  Delegate* const delegate = find_delegate(device_id);
+  if (!delegate) {
+    DLOG(WARNING) << "OnBufferCreated: Got video GMB buffer for a "
+                     "non-existent or removed video capture.";
+    Send(new VideoCaptureHostMsg_BufferReady(
+        device_id, buffer_id, 0 /* release_sync_point */,
+        -1.0 /* consumer_resource_utilization */));
+    return;
+  }
+
+  delegate->OnBufferCreated2(gmb_handles, size, buffer_id);
+}
+
 void VideoCaptureMessageFilter::OnBufferReceived(
     const VideoCaptureMsg_BufferReady_Params& params) {
   Delegate* const delegate = find_delegate(params.device_id);
   if (!delegate) {
     DLOG(WARNING) << "OnBufferReceived: Got video SHM buffer for a "
                      "non-existent or removed video capture.";
 
     // Send the buffer back to Host in case it's waiting for all buffers
     // to be returned.
     Send(new VideoCaptureHostMsg_BufferReady(
@@ skipping 51 matching lines @@
     const media::VideoCaptureFormats& formats_in_use) {
   Delegate* const delegate = find_delegate(device_id);
   if (!delegate) {
     DLOG(WARNING) << "OnDeviceFormatInUse: unknown device";
     return;
   }
   delegate->OnDeviceFormatsInUseReceived(formats_in_use);
 }
 
 }  // namespace content