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_impl.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   ~VideoLayerImpl() override;
  31
  32   // LayerImpl implementation.
  33   scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
  34   void PushPropertiesTo(LayerImpl* layer) override;
  35   bool WillDraw(DrawMode draw_mode,
  36                 ResourceProvider* resource_provider) override;
  37   void AppendQuads(RenderPass* render_pass,
  38                    AppendQuadsData* append_quads_data) override;
  39   void DidDraw(ResourceProvider* resource_provider) override;
  40   void DidBecomeActive() override;
  41   void ReleaseResources() override;
  42
  43   void SetNeedsRedraw();
  44
  45   void SetProviderClientImpl(
  46       scoped_refptr<VideoFrameProviderClientImpl> provider_client_impl);
  47
  48   media::VideoRotation video_rotation() const { return video_rotation_; }
  49
  50  private:
  51   VideoLayerImpl(LayerTreeImpl* tree_impl,
  52                  int id,
  53                  media::VideoRotation video_rotation);
  54
  55   const char* LayerTypeAsString() const override;
  56
  57   scoped_refptr<VideoFrameProviderClientImpl> provider_client_impl_;
  58
  59   scoped_refptr<media::VideoFrame> frame_;
  60
  61   media::VideoRotation video_rotation_;
  62
  63   scoped_ptr<VideoResourceUpdater> updater_;
  64   VideoFrameExternalResources::ResourceType frame_resource_type_;
  65   std::vector<ResourceProvider::ResourceId> frame_resources_;
  66
  67   // TODO(danakj): Remove these, hide software path inside ResourceProvider and
  68   // ExternalResource (aka TextureMailbox) classes.
  69   std::vector<unsigned> software_resources_;
  70   // Called once for each software resource.
  71   ReleaseCallbackImpl software_release_callback_;
  72
  73   DISALLOW_COPY_AND_ASSIGN(VideoLayerImpl);
  74 };
  75
  76 }  // namespace cc
  77
  78 #endif  // CC_LAYERS_VIDEO_LAYER_IMPL_H_