Pass GpuMemoryBuffer backed VideoFrame from browser to renderer processes

content/renderer/media/video_capture_message_filter.cc

Index: content/renderer/media/video_capture_message_filter.cc
diff --git a/content/renderer/media/video_capture_message_filter.cc b/content/renderer/media/video_capture_message_filter.cc
index 702a1488850589f6a4fa2ed5287a561560402a44..61998f423a5455a35dbcb67030b8ce8ec2e7f4e6 100644
--- a/content/renderer/media/video_capture_message_filter.cc
+++ b/content/renderer/media/video_capture_message_filter.cc
@@ -61,6 +61,7 @@ bool VideoCaptureMessageFilter::OnMessageReceived(const IPC::Message& 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)
@@ -110,13 +111,34 @@ void VideoCaptureMessageFilter::OnBufferCreated(int device_id,
     // 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);