video_layer_impl.h revision 1320f92c476a1ad9d19dba2a48c72b75566198e9 
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_impl.h"
13#include "cc/resources/video_resource_updater.h"
14#include "media/base/video_rotation.h"
15
16namespace media {
17class VideoFrame;
18}
19
20namespace cc {
21class VideoFrameProvider;
22class VideoFrameProviderClientImpl;
23
24class CC_EXPORT VideoLayerImpl : public LayerImpl {
25 public:
26  static scoped_ptr<VideoLayerImpl> Create(LayerTreeImpl* tree_impl,
27                                           int id,
28                                           VideoFrameProvider* provider,
29                                           media::VideoRotation video_rotation);
30  virtual ~VideoLayerImpl();
31
32  // LayerImpl implementation.
33  virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
34      OVERRIDE;
35  virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
36  virtual bool WillDraw(DrawMode draw_mode,
37                        ResourceProvider* resource_provider) OVERRIDE;
38  virtual void AppendQuads(RenderPass* render_pass,
39                           const OcclusionTracker<LayerImpl>& occlusion_tracker,
40                           AppendQuadsData* append_quads_data) OVERRIDE;
41  virtual void DidDraw(ResourceProvider* resource_provider) OVERRIDE;
42  virtual void DidBecomeActive() OVERRIDE;
43  virtual void ReleaseResources() OVERRIDE;
44
45  void SetNeedsRedraw();
46
47  void SetProviderClientImpl(
48      scoped_refptr<VideoFrameProviderClientImpl> provider_client_impl);
49
50  media::VideoRotation video_rotation() const { return video_rotation_; }
51
52 private:
53  VideoLayerImpl(LayerTreeImpl* tree_impl,
54                 int id,
55                 media::VideoRotation video_rotation);
56
57  virtual const char* LayerTypeAsString() const OVERRIDE;
58
59  scoped_refptr<VideoFrameProviderClientImpl> provider_client_impl_;
60
61  scoped_refptr<media::VideoFrame> frame_;
62
63  media::VideoRotation video_rotation_;
64
65  scoped_ptr<VideoResourceUpdater> updater_;
66  VideoFrameExternalResources::ResourceType frame_resource_type_;
67  std::vector<ResourceProvider::ResourceId> frame_resources_;
68
69  // TODO(danakj): Remove these, hide software path inside ResourceProvider and
70  // ExternalResource (aka TextureMailbox) classes.
71  std::vector<unsigned> software_resources_;
72  // Called once for each software resource.
73  ReleaseCallbackImpl software_release_callback_;
74
75  DISALLOW_COPY_AND_ASSIGN(VideoLayerImpl);
76};
77
78}  // namespace cc
79
80#endif  // CC_LAYERS_VIDEO_LAYER_IMPL_H_
81