video_layer_impl.h revision 5d1f7b1de12d16ceb2c938c56701a3e8bfa558f7 
1// Copyright 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CC_LAYERS_VIDEO_LAYER_IMPL_H_
6#define CC_LAYERS_VIDEO_LAYER_IMPL_H_
7
8#include <vector>
9
10#include "cc/base/cc_export.h"
11#include "cc/layers/layer_impl.h"
12#include "cc/resources/release_callback.h"
13#include "cc/resources/video_resource_updater.h"
14
15namespace media {
16class VideoFrame;
17}
18
19namespace cc {
20class VideoFrameProvider;
21class VideoFrameProviderClientImpl;
22
23class CC_EXPORT VideoLayerImpl : public LayerImpl {
24 public:
25  static scoped_ptr<VideoLayerImpl> Create(LayerTreeImpl* tree_impl,
26                                           int id,
27                                           VideoFrameProvider* provider);
28  virtual ~VideoLayerImpl();
29
30  // LayerImpl implementation.
31  virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
32      OVERRIDE;
33  virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
34  virtual bool WillDraw(DrawMode draw_mode,
35                        ResourceProvider* resource_provider) OVERRIDE;
36  virtual void AppendQuads(QuadSink* quad_sink,
37                           AppendQuadsData* append_quads_data) OVERRIDE;
38  virtual void DidDraw(ResourceProvider* resource_provider) OVERRIDE;
39  virtual void DidBecomeActive() OVERRIDE;
40  virtual void ReleaseResources() OVERRIDE;
41
42  void SetNeedsRedraw();
43
44  void SetProviderClientImpl(
45      scoped_refptr<VideoFrameProviderClientImpl> provider_client_impl);
46
47 private:
48  VideoLayerImpl(LayerTreeImpl* tree_impl, int id);
49
50  virtual const char* LayerTypeAsString() const OVERRIDE;
51
52  scoped_refptr<VideoFrameProviderClientImpl> provider_client_impl_;
53
54  scoped_refptr<media::VideoFrame> frame_;
55
56  scoped_ptr<VideoResourceUpdater> updater_;
57  VideoFrameExternalResources::ResourceType frame_resource_type_;
58  std::vector<ResourceProvider::ResourceId> frame_resources_;
59
60  // TODO(danakj): Remove these, hide software path inside ResourceProvider and
61  // ExternalResource (aka TextureMailbox) classes.
62  std::vector<unsigned> software_resources_;
63  // Called once for each software resource.
64  ReleaseCallback software_release_callback_;
65
66  DISALLOW_COPY_AND_ASSIGN(VideoLayerImpl);
67};
68
69}  // namespace cc
70
71#endif  // CC_LAYERS_VIDEO_LAYER_IMPL_H_
72