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 #include "media/base/video_rotation.h"
  15
  16 namespace media {
  17 class VideoFrame;
  18 }
  19
  20 namespace cc {
  21 class VideoFrameProvider;
  22 class VideoFrameProviderClientImpl;
  23
  24 class 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   ReleaseCallback software_release_callback_;
  74
  75   DISALLOW_COPY_AND_ASSIGN(VideoLayerImpl);
  76 };
  77
  78 }  // namespace cc
  79
  80 #endif  // CC_LAYERS_VIDEO_LAYER_IMPL_H_