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 "base/macros.h"
  11 #include "cc/cc_export.h"
  12 #include "cc/layers/layer_impl.h"
  13 #include "cc/resources/video_resource_updater.h"
  14 #include "components/viz/common/resources/release_callback.h"
  15 #include "media/base/video_rotation.h"
  16
  17 namespace media {
  18 class VideoFrame;
  19 }
  20
  21 namespace cc {
  22 class VideoFrameProvider;
  23 class VideoFrameProviderClientImpl;
  24
  25 class CC_EXPORT VideoLayerImpl : public LayerImpl {
  26  public:
  27   // Must be called on the impl thread while the main thread is blocked. This is
  28   // so that |provider| stays alive while this is being created.
  29   static std::unique_ptr<VideoLayerImpl> Create(
  30       LayerTreeImpl* tree_impl,
  31       int id,
  32       VideoFrameProvider* provider,
  33       media::VideoRotation video_rotation);
  34   ~VideoLayerImpl() override;
  35
  36   // LayerImpl implementation.
  37   std::unique_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
  38   bool WillDraw(DrawMode draw_mode,
  39                 LayerTreeResourceProvider* resource_provider) override;
  40   void AppendQuads(viz::RenderPass* render_pass,
  41                    AppendQuadsData* append_quads_data) override;
  42   void DidDraw(LayerTreeResourceProvider* resource_provider) override;
  43   SimpleEnclosedRegion VisibleOpaqueRegion() const override;
  44   void DidBecomeActive() override;
  45   void ReleaseResources() override;
  46
  47   void SetNeedsRedraw();
  48   media::VideoRotation video_rotation() const { return video_rotation_; }
  49
  50  private:
  51   VideoLayerImpl(
  52       LayerTreeImpl* tree_impl,
  53       int id,
  54       scoped_refptr<VideoFrameProviderClientImpl> provider_client_impl,
  55       media::VideoRotation video_rotation);
  56
  57   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   std::unique_ptr<VideoResourceUpdater> updater_;
  66
  67   DISALLOW_COPY_AND_ASSIGN(VideoLayerImpl);
  68 };
  69
  70 }  // namespace cc
  71
  72 #endif  // CC_LAYERS_VIDEO_LAYER_IMPL_H_