Pass GpuMemoryBuffer backed VideoFrame from browser to renderer processes

content/browser/renderer_host/media/video_capture_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/browser/renderer_host/media/video_capture_host.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/browser_main_loop.h"
@@ skipping 48 matching lines @@
                                        base::SharedMemoryHandle handle,
                                        int length,
                                        int buffer_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (entries_.find(controller_id) == entries_.end())
     return;
 
   Send(new VideoCaptureMsg_NewBuffer(controller_id, handle, length, buffer_id));
 }
 
+void VideoCaptureHost::OnGpuMemoryBufferCreated(
+    VideoCaptureControllerID controller_id,
+    const std::vector<gfx::GpuMemoryBufferHandle>& gmb_handles,
+    const gfx::Size& size,
+    int buffer_id) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  if (entries_.find(controller_id) == entries_.end())
+    return;
+
+  Send(new VideoCaptureMsg_NewGpuMemoryBuffer(controller_id, gmb_handles, size,
+                                              buffer_id));
+}
+
 void VideoCaptureHost::OnBufferDestroyed(VideoCaptureControllerID controller_id,
                                          int buffer_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (entries_.find(controller_id) == entries_.end())
     return;
 
   Send(new VideoCaptureMsg_FreeBuffer(controller_id, buffer_id));
 }
 
 void VideoCaptureHost::OnBufferReady(
     VideoCaptureControllerID controller_id,
     int buffer_id,
     const scoped_refptr<media::VideoFrame>& video_frame,
     const base::TimeTicks& timestamp) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (entries_.find(controller_id) == entries_.end())
     return;
 
   VideoCaptureMsg_BufferReady_Params params;
   params.device_id = controller_id;
   params.buffer_id = buffer_id;
   params.timestamp = timestamp;
   video_frame->metadata()->MergeInternalValuesInto(&params.metadata);
   params.pixel_format = video_frame->format();
   params.storage_type = video_frame->storage_type();
   params.coded_size = video_frame->coded_size();
   params.visible_rect = video_frame->visible_rect();
   if (video_frame->HasTextures()) {
-    DCHECK_EQ(media::VideoFrame::NumPlanes(video_frame->format()), 1u)
-        << "Multiplanar textures not supported";
-    params.mailbox_holder = video_frame->mailbox_holder(0);
+    for (size_t i = 0; i < media::VideoFrame::NumPlanes(video_frame->format());
+         ++i)

[mcasas, 2015/08/21 03:57:25]

Needs {}

[emircan, 2015/08/22 03:13:26]

Done.

+      params.mailbox_holders.push_back(video_frame->mailbox_holder(i));
   }
 
   Send(new VideoCaptureMsg_BufferReady(params));
 }
 
 void VideoCaptureHost::OnEnded(VideoCaptureControllerID controller_id) {
   DVLOG(1) << "VideoCaptureHost::OnEnded";
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
@@ skipping 209 matching lines @@
     return;
 
   if (it->second) {
     media_stream_manager_->video_capture_manager()->StopCaptureForClient(
         it->second.get(), controller_id, this, on_error);
   }
   entries_.erase(it);
 }
 
 }  // namespace content