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      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(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