Implement IPCs and VideoCapture::Client interfaces for texture capture

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/memory/scoped_ptr.h"
 #include "content/browser/browser_main_loop.h"
 #include "content/browser/renderer_host/media/media_stream_manager.h"
@@ skipping 58 matching lines @@
     int buffer_id) {
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&VideoCaptureHost::DoSendFreeBufferOnIOThread,
                  this, controller_id, buffer_id));
 }
 
 void VideoCaptureHost::OnBufferReady(
     const VideoCaptureControllerID& controller_id,
     int buffer_id,
-    base::TimeTicks timestamp,
-    const media::VideoCaptureFormat& frame_format) {
+    const media::VideoCaptureFormat& frame_format,
+    base::TimeTicks timestamp) {
   BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE,
+      BrowserThread::IO,
+      FROM_HERE,
       base::Bind(&VideoCaptureHost::DoSendFilledBufferOnIOThread,
-                 this, controller_id, buffer_id, timestamp,
-                 frame_format));
+                 this,
+                 controller_id,
+                 buffer_id,
+                 frame_format,
+                 timestamp));
+}
+
+void VideoCaptureHost::OnMailboxBufferReady(
+    const VideoCaptureControllerID& controller_id,
+    int buffer_id,
+    const gpu::MailboxHolder& mailbox_holder,
+    const media::VideoCaptureFormat& frame_format,
+    base::TimeTicks timestamp) {
+  BrowserThread::PostTask(
+      BrowserThread::IO,
+      FROM_HERE,
+      base::Bind(&VideoCaptureHost::DoSendFilledMailboxBufferOnIOThread,
+                 this,
+                 controller_id,
+                 buffer_id,
+                 mailbox_holder,
+                 frame_format,
+                 timestamp));
 }
 
 void VideoCaptureHost::OnEnded(const VideoCaptureControllerID& controller_id) {
   DVLOG(1) << "VideoCaptureHost::OnEnded";
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&VideoCaptureHost::DoEndedOnIOThread, this, controller_id));
 }
 
 void VideoCaptureHost::DoSendNewBufferOnIOThread(
@@ skipping 17 matching lines @@
 
   if (entries_.find(controller_id) == entries_.end())
     return;
 
   Send(new VideoCaptureMsg_FreeBuffer(controller_id.device_id, buffer_id));
 }
 
 void VideoCaptureHost::DoSendFilledBufferOnIOThread(
     const VideoCaptureControllerID& controller_id,
     int buffer_id,
-    base::TimeTicks timestamp,
-    const media::VideoCaptureFormat& format) {
+    const media::VideoCaptureFormat& format,
+    base::TimeTicks timestamp) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   if (entries_.find(controller_id) == entries_.end())
     return;
 
-  Send(new VideoCaptureMsg_BufferReady(controller_id.device_id, buffer_id,
-                                       timestamp, format));
+  Send(new VideoCaptureMsg_BufferReady(
+      controller_id.device_id, buffer_id, format, timestamp));
+}
+
+void VideoCaptureHost::DoSendFilledMailboxBufferOnIOThread(
+    const VideoCaptureControllerID& controller_id,
+    int buffer_id,
+    const gpu::MailboxHolder& mailbox_holder,
+    const media::VideoCaptureFormat& format,
+    base::TimeTicks timestamp) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+
+  if (entries_.find(controller_id) == entries_.end())
+    return;
+
+  Send(new VideoCaptureMsg_MailboxBufferReady(
+      controller_id.device_id, buffer_id, mailbox_holder, format, timestamp));
 }
 
 void VideoCaptureHost::DoHandleErrorOnIOThread(
     const VideoCaptureControllerID& controller_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   if (entries_.find(controller_id) == entries_.end())
     return;
 
   Send(new VideoCaptureMsg_StateChanged(controller_id.device_id,
@@ skipping 109 matching lines @@
   DeleteVideoCaptureControllerOnIOThread(controller_id);
 }
 
 void VideoCaptureHost::OnPauseCapture(int device_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   DVLOG(1) << "VideoCaptureHost::OnPauseCapture, device_id " << device_id;
   // Not used.
   Send(new VideoCaptureMsg_StateChanged(device_id, VIDEO_CAPTURE_STATE_ERROR));
 }
 
-void VideoCaptureHost::OnReceiveEmptyBuffer(int device_id, int buffer_id) {
+void VideoCaptureHost::OnReceiveEmptyBuffer(int device_id,
+                                            int buffer_id,
+                                            uint32 sync_point) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   VideoCaptureControllerID controller_id(device_id);
   EntryMap::iterator it = entries_.find(controller_id);
   if (it != entries_.end()) {
     const base::WeakPtr<VideoCaptureController>& controller = it->second;
     if (controller)
-      controller->ReturnBuffer(controller_id, this, buffer_id);
+      controller->ReturnBuffer(controller_id, this, buffer_id, sync_point);
   }
 }
 
 void VideoCaptureHost::OnGetDeviceSupportedFormats(
     int device_id,
     media::VideoCaptureSessionId capture_session_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   DVLOG(1) << "VideoCaptureHost::OnGetDeviceFormats, capture_session_id "
            << capture_session_id;
   media::VideoCaptureFormats device_supported_formats;
@@ skipping 33 matching lines @@
     return;
 
   if (it->second) {
     media_stream_manager_->video_capture_manager()->StopCaptureForClient(
         it->second.get(), controller_id, this);
   }
   entries_.erase(it);
 }
 
 }  // namespace content