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