Improving the decoder pipeline.

remoting/client/frame_consumer_proxy.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 "remoting/client/frame_consumer_proxy.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
+#include "ppapi/cpp/image_data.h"
+
+using base::Passed;
 
 namespace remoting {
 
 FrameConsumerProxy::FrameConsumerProxy(
     FrameConsumer* frame_consumer,
     base::MessageLoopProxy* frame_consumer_message_loop)
     : frame_consumer_(frame_consumer),
       frame_consumer_message_loop_(frame_consumer_message_loop) {
 }
 
 FrameConsumerProxy::~FrameConsumerProxy() {
 }
 
-void FrameConsumerProxy::AllocateFrame(
-    media::VideoFrame::Format format,
-    const SkISize& size,
-    scoped_refptr<media::VideoFrame>* frame_out,
+void FrameConsumerProxy::OnFrameReady(
+    const SkISize& screen_size,
+    SkISize* view_size_out,
+    SkIRect* clip_area_out,
+    scoped_ptr<pp::ImageData>* backing_store_out,
     const base::Closure& done) {
   if (!frame_consumer_message_loop_->BelongsToCurrentThread()) {
     frame_consumer_message_loop_->PostTask(FROM_HERE, base::Bind(
-        &FrameConsumerProxy::AllocateFrame, this, format, size, frame_out,
-        done));
-    return;
-  }
-
-  if (frame_consumer_) {
-    frame_consumer_->AllocateFrame(format, size, frame_out, done);
-  }
-}
-
-void FrameConsumerProxy::ReleaseFrame(media::VideoFrame* frame) {
-  if (!frame_consumer_message_loop_->BelongsToCurrentThread()) {
-    frame_consumer_message_loop_->PostTask(FROM_HERE, base::Bind(
-        &FrameConsumerProxy::ReleaseFrame, this, make_scoped_refptr(frame)));
+        &FrameConsumerProxy::OnFrameReady, this,
+        screen_size, view_size_out, clip_area_out, backing_store_out, done));
     return;
   }
 
   if (frame_consumer_)
-    frame_consumer_->ReleaseFrame(frame);
+    frame_consumer_->OnFrameReady(screen_size, view_size_out, clip_area_out,
+                                  backing_store_out, done);
 }
 
-void FrameConsumerProxy::OnPartialFrameOutput(media::VideoFrame* frame,
-                                              SkRegion* region,
-                                              const base::Closure& done) {
+void FrameConsumerProxy::OnPaintDone(scoped_ptr<pp::ImageData> backing_store,
+                                     scoped_ptr<SkRegion> updated_region) {
   if (!frame_consumer_message_loop_->BelongsToCurrentThread()) {
     frame_consumer_message_loop_->PostTask(FROM_HERE, base::Bind(
-        &FrameConsumerProxy::OnPartialFrameOutput, this,
-        make_scoped_refptr(frame), region, done));
+        &FrameConsumerProxy::OnPaintDone, this,
+        Passed(&backing_store), Passed(&updated_region)));
     return;
   }
 
   if (frame_consumer_)
-    frame_consumer_->OnPartialFrameOutput(frame, region, done);
+    frame_consumer_->OnPaintDone(backing_store.Pass(), updated_region.Pass());
 }
 
 void FrameConsumerProxy::Detach() {
   DCHECK(frame_consumer_message_loop_->BelongsToCurrentThread());
   frame_consumer_ = NULL;
 }
 
 }  // namespace remoting