| // Copyright 2013 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 MEDIA_RENDERERS_VIDEO_RESOURCE_UPDATER_H_ |
| #define MEDIA_RENDERERS_VIDEO_RESOURCE_UPDATER_H_ |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include <list> |
| #include <memory> |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/trace_event/memory_dump_provider.h" |
| #include "base/unguessable_token.h" |
| #include "components/viz/common/resources/release_callback.h" |
| #include "components/viz/common/resources/resource_format.h" |
| #include "components/viz/common/resources/resource_id.h" |
| #include "components/viz/common/resources/transferable_resource.h" |
| #include "gpu/command_buffer/client/gles2_interface.h" |
| #include "media/base/media_export.h" |
| #include "ui/gfx/buffer_types.h" |
| #include "ui/gfx/geometry/size.h" |
| |
| namespace gfx { |
| class Rect; |
| class Transform; |
| } // namespace gfx |
| |
| namespace gpu { |
| class SharedImageInterface; |
| } // namespace gpu |
| |
| namespace viz { |
| class ClientResourceProvider; |
| class ContextProvider; |
| class RasterContextProvider; |
| class CompositorRenderPass; |
| class SharedBitmapReporter; |
| } // namespace viz |
| |
| namespace gfx { |
| class MaskFilterInfo; |
| } |
| |
| namespace media { |
| class PaintCanvasVideoRenderer; |
| class VideoFrame; |
| |
| // Specifies what type of data is contained in the mailboxes, as well as how |
| // many mailboxes will be present. |
| enum class VideoFrameResourceType { |
| NONE, |
| YUV, |
| RGB, |
| RGBA_PREMULTIPLIED, |
| RGBA, |
| STREAM_TEXTURE, |
| // The VideoFrame is merely a hint to compositor that a hole must be made |
| // transparent so the video underlay will be visible. |
| // Used by Chromecast only. |
| VIDEO_HOLE, |
| }; |
| |
| class MEDIA_EXPORT VideoFrameExternalResources { |
| public: |
| VideoFrameResourceType type = VideoFrameResourceType::NONE; |
| std::vector<viz::TransferableResource> resources; |
| std::vector<viz::ReleaseCallback> release_callbacks; |
| |
| // Used by hardware textures which do not return values in the 0-1 range. |
| // After a lookup, subtract offset and multiply by multiplier. |
| float offset = 0.f; |
| float multiplier = 1.f; |
| uint32_t bits_per_channel = 8; |
| |
| VideoFrameExternalResources(); |
| VideoFrameExternalResources(VideoFrameExternalResources&& other); |
| VideoFrameExternalResources& operator=(VideoFrameExternalResources&& other); |
| ~VideoFrameExternalResources(); |
| }; |
| |
| // VideoResourceUpdater is used by the video system to produce frame content as |
| // resources consumable by the display compositor. |
| class MEDIA_EXPORT VideoResourceUpdater |
| : public base::trace_event::MemoryDumpProvider { |
| public: |
| // For GPU compositing |context_provider| should be provided and for software |
| // compositing |shared_bitmap_reporter| should be provided. If there is a |
| // non-null |context_provider| we assume GPU compositing. |
| VideoResourceUpdater(viz::ContextProvider* context_provider, |
| viz::RasterContextProvider* raster_context_provider, |
| viz::SharedBitmapReporter* shared_bitmap_reporter, |
| viz::ClientResourceProvider* resource_provider, |
| bool use_stream_video_draw_quad, |
| bool use_gpu_memory_buffer_resources, |
| bool use_r16_texture, |
| int max_resource_size); |
| |
| ~VideoResourceUpdater() override; |
| |
| // For each CompositorFrame the following sequence is expected: |
| // 1. ObtainFrameResources(): Import resources for the next video frame with |
| // viz::ClientResourceProvider. This will reuse existing GPU or |
| // SharedMemory buffers if possible, otherwise it will allocate new ones. |
| // 2. AppendQuads(): Add DrawQuads to CompositorFrame for video. |
| // 3. ReleaseFrameResources(): After the CompositorFrame has been submitted, |
| // remove imported resources from viz::ClientResourceProvider. |
| void ObtainFrameResources(scoped_refptr<VideoFrame> video_frame); |
| void ReleaseFrameResources(); |
| // Appends a quad representing |frame| to |render_pass|. |
| // At most one quad is expected to be appended, this is enforced by the users |
| // of this class (e.g: VideoFrameSubmitter). Producing only one quad will |
| // allow viz to optimize compositing when the only content changing per-frame |
| // is the video. |
| void AppendQuads(viz::CompositorRenderPass* render_pass, |
| scoped_refptr<VideoFrame> frame, |
| gfx::Transform transform, |
| gfx::Rect quad_rect, |
| gfx::Rect visible_quad_rect, |
| const gfx::MaskFilterInfo& mask_filter_info, |
| absl::optional<gfx::Rect> clip_rect, |
| bool context_opaque, |
| float draw_opacity, |
| int sorting_context_id); |
| |
| // TODO(kylechar): This is only public for testing, make private. |
| VideoFrameExternalResources CreateExternalResourcesFromVideoFrame( |
| scoped_refptr<VideoFrame> video_frame); |
| |
| viz::ResourceFormat YuvResourceFormat(int bits_per_channel); |
| |
| private: |
| class PlaneResource; |
| class HardwarePlaneResource; |
| class SoftwarePlaneResource; |
| |
| // A resource that will be embedded in a DrawQuad in the next CompositorFrame. |
| // Each video plane will correspond to one FrameResource. |
| struct FrameResource { |
| FrameResource(); |
| FrameResource(viz::ResourceId id, const gfx::Size& size); |
| |
| viz::ResourceId id; |
| gfx::Size size_in_pixels; |
| }; |
| |
| bool software_compositor() const { |
| return context_provider_ == nullptr && raster_context_provider_ == nullptr; |
| } |
| |
| // Obtain a resource of the right format by either recycling an |
| // unreferenced but appropriately formatted resource, or by |
| // allocating a new resource. |
| // Additionally, if the |unique_id| and |plane_index| match, then |
| // it is assumed that the resource has the right data already and will only be |
| // used for reading, and so is returned even if it is still referenced. |
| // Passing -1 for |plane_index| avoids returning referenced |
| // resources. |
| PlaneResource* RecycleOrAllocateResource(const gfx::Size& resource_size, |
| viz::ResourceFormat resource_format, |
| const gfx::ColorSpace& color_space, |
| int unique_id, |
| int plane_index); |
| PlaneResource* AllocateResource(const gfx::Size& plane_size, |
| viz::ResourceFormat format, |
| const gfx::ColorSpace& color_space); |
| |
| // Create a copy of a texture-backed source video frame in a new GL_TEXTURE_2D |
| // texture. This is used when there are multiple GPU threads (Android WebView) |
| // and the source video frame texture can't be used on the output GL context. |
| // https://crbug.com/582170 |
| void CopyHardwarePlane(VideoFrame* video_frame, |
| const gfx::ColorSpace& resource_color_space, |
| const gpu::MailboxHolder& mailbox_holder, |
| VideoFrameExternalResources* external_resources); |
| |
| // Get resources ready to be appended into DrawQuads. This is used for GPU |
| // compositing most of the time, except for the cases mentioned in |
| // CreateForSoftwarePlanes(). |
| VideoFrameExternalResources CreateForHardwarePlanes( |
| scoped_refptr<VideoFrame> video_frame); |
| |
| // Get resources ready to be appended into DrawQuads. This is always used for |
| // software compositing. This is also used for GPU compositing when the input |
| // video frame has no textures. |
| VideoFrameExternalResources CreateForSoftwarePlanes( |
| scoped_refptr<VideoFrame> video_frame); |
| |
| gpu::gles2::GLES2Interface* ContextGL(); |
| |
| void RecycleResource(uint32_t plane_resource_id, |
| const gpu::SyncToken& sync_token, |
| bool lost_resource); |
| void ReturnTexture(scoped_refptr<VideoFrame> video_frame, |
| const gpu::SyncToken& sync_token, |
| bool lost_resource); |
| void DestroyMailbox(gpu::Mailbox mailbox, |
| scoped_refptr<VideoFrame> video_frame, |
| const gpu::SyncToken& sync_token, |
| bool lost_resource); |
| |
| // base::trace_event::MemoryDumpProvider implementation. |
| bool OnMemoryDump(const base::trace_event::MemoryDumpArgs& args, |
| base::trace_event::ProcessMemoryDump* pmd) override; |
| gpu::SharedImageInterface* SharedImageInterface() const; |
| viz::ContextProvider* const context_provider_; |
| viz::RasterContextProvider* const raster_context_provider_; |
| viz::SharedBitmapReporter* const shared_bitmap_reporter_; |
| viz::ClientResourceProvider* const resource_provider_; |
| const bool use_stream_video_draw_quad_; |
| const bool use_gpu_memory_buffer_resources_; |
| // TODO(crbug.com/759456): Remove after r16 is used without the flag. |
| const bool use_r16_texture_; |
| const int max_resource_size_; |
| const int tracing_id_; |
| std::unique_ptr<PaintCanvasVideoRenderer> video_renderer_; |
| uint32_t next_plane_resource_id_ = 1; |
| |
| // Temporary pixel buffer when converting between formats. |
| std::unique_ptr<uint8_t[]> upload_pixels_; |
| size_t upload_pixels_size_ = 0; |
| |
| VideoFrameResourceType frame_resource_type_; |
| |
| float frame_resource_offset_; |
| float frame_resource_multiplier_; |
| uint32_t frame_bits_per_channel_; |
| |
| // Resources that will be placed into quads by the next call to |
| // AppendDrawQuads(). |
| std::vector<FrameResource> frame_resources_; |
| // If the video resource is a hole punching VideoFrame sent by Chromecast, |
| // the VideoFrame carries an |overlay_plane_id_| to activate the video |
| // overlay, but there is no video content to display within VideoFrame. |
| base::UnguessableToken overlay_plane_id_; |
| |
| // Resources allocated by VideoResourceUpdater. Used to recycle resources so |
| // we can reduce the number of allocations and data transfers. |
| std::vector<std::unique_ptr<PlaneResource>> all_resources_; |
| |
| base::WeakPtrFactory<VideoResourceUpdater> weak_ptr_factory_{this}; |
| |
| DISALLOW_COPY_AND_ASSIGN(VideoResourceUpdater); |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_RENDERERS_VIDEO_RESOURCE_UPDATER_H_ |