| // Copyright 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CC_LAYERS_VIDEO_LAYER_IMPL_H_ |
| #define CC_LAYERS_VIDEO_LAYER_IMPL_H_ |
| |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "cc/base/cc_export.h" |
| #include "cc/layers/layer_impl.h" |
| #include "cc/resources/release_callback_impl.h" |
| #include "cc/resources/video_resource_updater.h" |
| #include "media/base/video_rotation.h" |
| |
| namespace media { |
| class VideoFrame; |
| } |
| |
| namespace cc { |
| class VideoFrameProvider; |
| class VideoFrameProviderClientImpl; |
| |
| class CC_EXPORT VideoLayerImpl : public LayerImpl { |
| public: |
| // Must be called on the impl thread while the main thread is blocked. This is |
| // so that |provider| stays alive while this is being created. |
| static std::unique_ptr<VideoLayerImpl> Create( |
| LayerTreeImpl* tree_impl, |
| int id, |
| VideoFrameProvider* provider, |
| media::VideoRotation video_rotation); |
| ~VideoLayerImpl() override; |
| |
| // LayerImpl implementation. |
| std::unique_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override; |
| bool WillDraw(DrawMode draw_mode, |
| ResourceProvider* resource_provider) override; |
| void AppendQuads(RenderPass* render_pass, |
| AppendQuadsData* append_quads_data) override; |
| void DidDraw(ResourceProvider* resource_provider) override; |
| SimpleEnclosedRegion VisibleOpaqueRegion() const override; |
| void DidBecomeActive() override; |
| void ReleaseResources() override; |
| |
| void SetNeedsRedraw(); |
| media::VideoRotation video_rotation() const { return video_rotation_; } |
| |
| private: |
| VideoLayerImpl( |
| LayerTreeImpl* tree_impl, |
| int id, |
| scoped_refptr<VideoFrameProviderClientImpl> provider_client_impl, |
| media::VideoRotation video_rotation); |
| |
| const char* LayerTypeAsString() const override; |
| |
| scoped_refptr<VideoFrameProviderClientImpl> provider_client_impl_; |
| |
| scoped_refptr<media::VideoFrame> frame_; |
| |
| media::VideoRotation video_rotation_; |
| |
| std::unique_ptr<VideoResourceUpdater> updater_; |
| VideoFrameExternalResources::ResourceType frame_resource_type_; |
| float frame_resource_offset_; |
| float frame_resource_multiplier_; |
| uint32_t frame_bits_per_channel_; |
| |
| struct FrameResource { |
| FrameResource(ResourceId id, |
| gfx::Size size_in_pixels, |
| bool is_overlay_candidate) |
| : id(id), |
| size_in_pixels(size_in_pixels), |
| is_overlay_candidate(is_overlay_candidate) {} |
| ResourceId id; |
| gfx::Size size_in_pixels; |
| bool is_overlay_candidate; |
| }; |
| std::vector<FrameResource> frame_resources_; |
| |
| // TODO(danakj): Remove these, hide software path inside ResourceProvider and |
| // ExternalResource (aka TextureMailbox) classes. |
| std::vector<unsigned> software_resources_; |
| // Called once for each software resource. |
| ReleaseCallbackImpl software_release_callback_; |
| |
| DISALLOW_COPY_AND_ASSIGN(VideoLayerImpl); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_LAYERS_VIDEO_LAYER_IMPL_H_ |