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/video_resource_updater.h"
  13
  14 namespace media {
  15 class VideoFrame;
  16 }
  17
  18 namespace cc {
  19 class VideoFrameProvider;
  20 class VideoFrameProviderClientImpl;
  21
  22 class CC_EXPORT VideoLayerImpl : public LayerImpl {
  23  public:
  24   static scoped_ptr<VideoLayerImpl> Create(LayerTreeImpl* tree_impl,
  25                                            int id,
  26                                            VideoFrameProvider* provider);
  27   virtual ~VideoLayerImpl();
  28
  29   // LayerImpl implementation.
  30   virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
  31       OVERRIDE;
  32   virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
  33   virtual bool WillDraw(DrawMode draw_mode,
  34                         ResourceProvider* resource_provider) OVERRIDE;
  35   virtual void AppendQuads(QuadSink* quad_sink,
  36                            AppendQuadsData* append_quads_data) OVERRIDE;
  37   virtual void DidDraw(ResourceProvider* resource_provider) OVERRIDE;
  38   virtual void DidBecomeActive() OVERRIDE;
  39   virtual void DidLoseOutputSurface() OVERRIDE;
  40
  41   void SetNeedsRedraw();
  42
  43   void SetProviderClientImpl(
  44       scoped_refptr<VideoFrameProviderClientImpl> provider_client_impl);
  45
  46  private:
  47   VideoLayerImpl(LayerTreeImpl* tree_impl, int id);
  48
  49   virtual const char* LayerTypeAsString() const OVERRIDE;
  50
  51   scoped_refptr<VideoFrameProviderClientImpl> provider_client_impl_;
  52
  53   scoped_refptr<media::VideoFrame> frame_;
  54
  55   scoped_ptr<VideoResourceUpdater> updater_;
  56   VideoFrameExternalResources::ResourceType frame_resource_type_;
  57   std::vector<ResourceProvider::ResourceId> frame_resources_;
  58
  59   // TODO(danakj): Remove these, hide software path inside ResourceProvider and
  60   // ExternalResource (aka TextureMailbox) classes.
  61   std::vector<unsigned> software_resources_;
  62   TextureMailbox::ReleaseCallback software_release_callback_;
  63
  64   DISALLOW_COPY_AND_ASSIGN(VideoLayerImpl);
  65 };
  66
  67 }  // namespace cc
  68
  69 #endif  // CC_LAYERS_VIDEO_LAYER_IMPL_H_