cc/layers/video_layer_impl.h

   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
  15 namespace media {
  16 class VideoFrame;
  17 }
  18
  19 namespace cc {
  20 class VideoFrameProvider;
  21 class VideoFrameProviderClientImpl;
  22
  23 class 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(RenderPass* render_pass,
  37                            const OcclusionTracker<LayerImpl>& occlusion_tracker,
  38                            AppendQuadsData* append_quads_data) OVERRIDE;
  39   virtual void DidDraw(ResourceProvider* resource_provider) OVERRIDE;
  40   virtual void DidBecomeActive() OVERRIDE;
  41   virtual void ReleaseResources() OVERRIDE;
  42
  43   void SetNeedsRedraw();
  44
  45   void SetProviderClientImpl(
  46       scoped_refptr<VideoFrameProviderClientImpl> provider_client_impl);
  47
  48  private:
  49   VideoLayerImpl(LayerTreeImpl* tree_impl, int id);
  50
  51   virtual const char* LayerTypeAsString() const OVERRIDE;
  52
  53   scoped_refptr<VideoFrameProviderClientImpl> provider_client_impl_;
  54
  55   scoped_refptr<media::VideoFrame> frame_;
  56
  57   scoped_ptr<VideoResourceUpdater> updater_;
  58   VideoFrameExternalResources::ResourceType frame_resource_type_;
  59   std::vector<ResourceProvider::ResourceId> frame_resources_;
  60
  61   // TODO(danakj): Remove these, hide software path inside ResourceProvider and
  62   // ExternalResource (aka TextureMailbox) classes.
  63   std::vector<unsigned> software_resources_;
  64   // Called once for each software resource.
  65   ReleaseCallback software_release_callback_;
  66
  67   DISALLOW_COPY_AND_ASSIGN(VideoLayerImpl);
  68 };
  69
  70 }  // namespace cc
  71
  72 #endif  // CC_LAYERS_VIDEO_LAYER_IMPL_H_