VideoCapture: more migration IPC-->mojo, part 6

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 <memory>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "content/browser/browser_main_loop.h"
 #include "content/browser/renderer_host/media/media_stream_manager.h"
 #include "content/browser/renderer_host/media/video_capture_manager.h"
 #include "content/common/media/video_capture_messages.h"
+#include "mojo/public/cpp/system/platform_handle.h"
 
 namespace content {
 
 VideoCaptureHost::VideoCaptureHost(MediaStreamManager* media_stream_manager)
     : BrowserMessageFilter(VideoCaptureMsgStart),
       BrowserAssociatedInterface(this, this),
       media_stream_manager_(media_stream_manager) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 }
 
@@ skipping 35 matching lines @@
 }
 
 void VideoCaptureHost::OnBufferCreated(VideoCaptureControllerID controller_id,
                                        base::SharedMemoryHandle handle,
                                        int length,
                                        int buffer_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (controllers_.find(controller_id) == controllers_.end())
     return;
 
-  Send(new VideoCaptureMsg_NewBuffer(controller_id, handle, length, buffer_id));
+  if (base::ContainsKey(device_id_to_observer_map_, controller_id)) {
+    device_id_to_observer_map_[controller_id]->OnBufferCreated(
+        buffer_id,
+        mojo::WrapSharedMemoryHandle(handle, length, true /* read_only */));
+  }
 }
 
 void VideoCaptureHost::OnBufferDestroyed(VideoCaptureControllerID controller_id,
                                          int buffer_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   if (controllers_.find(controller_id) == controllers_.end())
     return;
 
   if (base::ContainsKey(device_id_to_observer_map_, controller_id))
     device_id_to_observer_map_[controller_id]->OnBufferDestroyed(buffer_id);
@@ skipping 25 matching lines @@
 }
 
 void VideoCaptureHost::OnEnded(VideoCaptureControllerID controller_id) {
   DVLOG(1) << __func__;
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&VideoCaptureHost::DoEnded, this, controller_id));
 }
 
-void VideoCaptureHost::DoError(VideoCaptureControllerID controller_id) {
-  DVLOG(1) << __func__;
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  if (controllers_.find(controller_id) == controllers_.end())
-    return;
-
-  if (base::ContainsKey(device_id_to_observer_map_, controller_id)) {
-    device_id_to_observer_map_[controller_id]->OnStateChanged(
-        mojom::VideoCaptureState::FAILED);
-  }
-
-  DeleteVideoCaptureController(controller_id, true);
-}
-
-void VideoCaptureHost::DoEnded(VideoCaptureControllerID controller_id) {
-  DVLOG(1) << __func__;
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);
-  if (controllers_.find(controller_id) == controllers_.end())
-    return;
-
-  if (base::ContainsKey(device_id_to_observer_map_, controller_id)) {
-    device_id_to_observer_map_[controller_id]->OnStateChanged(
-        mojom::VideoCaptureState::ENDED);
-  }
-
-  DeleteVideoCaptureController(controller_id, false);
-}
-
 void VideoCaptureHost::Start(int32_t device_id,
                              int32_t session_id,
                              const media::VideoCaptureParams& params,
                              mojom::VideoCaptureObserverPtr observer) {
   DVLOG(1) << __func__ << " session_id=" << session_id
            << ", device_id=" << device_id << ", format="
            << media::VideoCaptureFormat::ToString(params.requested_format);
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   DCHECK(!base::ContainsKey(device_id_to_observer_map_, device_id));
@@ skipping 121 matching lines @@
   DVLOG(1) << __func__ << " " << device_id;
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   media::VideoCaptureFormats formats_in_use;
   if (!media_stream_manager_->video_capture_manager()->GetDeviceFormatsInUse(
            session_id, &formats_in_use)) {
     DLOG(WARNING) << "Could not retrieve device format(s) in use";
   }
   callback.Run(formats_in_use);
 }
 
+void VideoCaptureHost::DoError(VideoCaptureControllerID controller_id) {
+  DVLOG(1) << __func__;
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  if (controllers_.find(controller_id) == controllers_.end())
+    return;
+
+  if (base::ContainsKey(device_id_to_observer_map_, controller_id)) {
+    device_id_to_observer_map_[controller_id]->OnStateChanged(
+        mojom::VideoCaptureState::FAILED);
+  }
+
+  DeleteVideoCaptureController(controller_id, true);
+}
+
+void VideoCaptureHost::DoEnded(VideoCaptureControllerID controller_id) {
+  DVLOG(1) << __func__;
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  if (controllers_.find(controller_id) == controllers_.end())
+    return;
+
+  if (base::ContainsKey(device_id_to_observer_map_, controller_id)) {
+    device_id_to_observer_map_[controller_id]->OnStateChanged(
+        mojom::VideoCaptureState::ENDED);
+  }
+
+  DeleteVideoCaptureController(controller_id, false);
+}
+
 void VideoCaptureHost::OnControllerAdded(
     int device_id,
     const base::WeakPtr<VideoCaptureController>& controller) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   VideoCaptureControllerID controller_id(device_id);
   auto it = controllers_.find(controller_id);
   if (it == controllers_.end()) {
     if (controller) {
       media_stream_manager_->video_capture_manager()->StopCaptureForClient(
           controller.get(), controller_id, this, false);
@@ skipping 30 matching lines @@
   const base::WeakPtr<VideoCaptureController> controller = it->second;
   controllers_.erase(it);
   if (!controller)
     return;
 
   media_stream_manager_->video_capture_manager()->StopCaptureForClient(
       controller.get(), controller_id, this, on_error);
 }
 
 }  // namespace content