cc: Move video upload to VideoResourceUpdater.

cc/resources/video_resource_updater.h

+// Copyright 2013 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.
+
+#ifndef CC_RESOURCES_VIDEO_RESOURCE_UPDATER_H_
+#define CC_RESOURCES_VIDEO_RESOURCE_UPDATER_H_
+
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "cc/resources/texture_mailbox.h"
+
+namespace media {
+class SkCanvasVideoRenderer;
+class VideoFrame;
+}
+
+namespace cc {
+class ResourceProvider;
+
+class VideoFrameExternalResources {
+ public:
+  // Specifies what type of data is contained in the mailboxes, as well as how
+  // many mailboxes will be present.
+  enum ResourceType {
+    NONE,
+    YUV_RESOURCE,
+    RGB_RESOURCE,
+    STREAM_TEXTURE_RESOURCE,
+    IO_SURFACE,
+
+#if defined(GOOGLE_TV)
+    // TODO(danakj): Implement this with a solid color layer instead of a video
+    // frame and video layer.
+    HOLE,
+#endif
+
+    // TODO(danakj): Remove this and abstract TextureMailbox into
+    // "ExternalResource" that can hold a hardware or software backing.
+    SOFTWARE_RESOURCE
+  };
+
+  ResourceType type;
+  std::vector<TextureMailbox> mailboxes;
+
+  // TODO(danakj): Remove these too.
+  std::vector<unsigned> software_resources;
+  TextureMailbox::ReleaseCallback software_release_callback;
+
+  VideoFrameExternalResources();
+  ~VideoFrameExternalResources();
+};
+
+// VideoResourceUpdater is by the video system to produce frame content as
+// resources consumable by the compositor.
+class VideoResourceUpdater {
+ public:
+  explicit VideoResourceUpdater(ResourceProvider* resource_provider);
+  ~VideoResourceUpdater();
+
+  VideoFrameExternalResources CreateForHardwarePlanes(
+      const scoped_refptr<media::VideoFrame>& video_frame,
+      const TextureMailbox::ReleaseCallback& release_callback);
+
+  VideoFrameExternalResources CreateForSoftwarePlanes(
+      const scoped_refptr<media::VideoFrame>& video_frame);
+
+ private:
+  bool VerifyFrame(const scoped_refptr<media::VideoFrame>& video_frame);
+
+  static void ReturnTexture(ResourceProvider* resource_provider,
+                            TextureMailbox::ReleaseCallback callback,
+                            unsigned texture_id,
+                            gpu::Mailbox mailbox,
+                            unsigned sync_point);
+
+  ResourceProvider* resource_provider_;
+  scoped_ptr<media::SkCanvasVideoRenderer> video_renderer_;
+
+  DISALLOW_COPY_AND_ASSIGN(VideoResourceUpdater);
+};
+
+}  // namespace cc
+
+#endif  // CC_RESOURCES_VIDEO_RESOURCE_UPDATER_H_