Reimplement FrameSubscriber with mojo VideoCapture APIs
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6 changed files with 99 additions and 104 deletions
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@ -7,46 +7,53 @@
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#include "base/callback.h"
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#include "base/memory/weak_ptr.h"
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#include "content/browser/renderer_host/render_widget_host_view_frame_subscriber.h"
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#include "content/public/browser/readback_types.h"
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#include "content/public/browser/render_widget_host_view.h"
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#include "mojo/public/cpp/bindings/binding.h"
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#include "services/viz/privileged/interfaces/compositing/frame_sink_video_capture.mojom.h"
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#include "third_party/skia/include/core/SkBitmap.h"
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#include "ui/gfx/geometry/size.h"
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#include "v8/include/v8.h"
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namespace atom {
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namespace api {
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class FrameSubscriber : public content::RenderWidgetHostViewFrameSubscriber {
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class FrameSubscriber : public viz::mojom::FrameSinkVideoConsumer {
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public:
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using FrameCaptureCallback =
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base::Callback<void(v8::Local<v8::Value>, v8::Local<v8::Value>)>;
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FrameSubscriber(v8::Isolate* isolate,
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content::RenderWidgetHostView* view,
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const FrameCaptureCallback& callback,
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bool only_dirty);
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const FrameCaptureCallback& callback);
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~FrameSubscriber() override;
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bool ShouldCaptureFrame(const gfx::Rect& damage_rect,
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base::TimeTicks present_time,
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scoped_refptr<media::VideoFrame>* storage,
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DeliverFrameCallback* callback) override;
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const base::UnguessableToken& GetSourceIdForCopyRequest() override;
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private:
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void OnFrameDelivered(const FrameCaptureCallback& callback,
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const gfx::Rect& damage_rect,
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const SkBitmap& bitmap,
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content::ReadbackResponse response);
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void OnFrameCaptured(
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mojo::ScopedSharedBufferHandle buffer,
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uint32_t buffer_size,
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::media::mojom::VideoFrameInfoPtr info,
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const gfx::Rect& update_rect,
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const gfx::Rect& content_rect,
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viz::mojom::FrameSinkVideoConsumerFrameCallbacksPtr callbacks) override;
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void OnTargetLost(const viz::FrameSinkId& frame_sink_id) override;
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void OnStopped() override;
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viz::mojom::FrameSinkVideoCapturerPtr CreateVideoCapturer();
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v8::Isolate* isolate_;
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content::RenderWidgetHostView* view_;
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FrameCaptureCallback callback_;
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bool only_dirty_;
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base::UnguessableToken source_id_for_copy_request_;
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SkBitmap frame_;
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// This object keeps the shared memory that backs |frame_| mapped.
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mojo::ScopedSharedBufferMapping shared_memory_mapping_;
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// This object prevents FrameSinkVideoCapturer from recycling the shared
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// memory that backs |frame_|.
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viz::mojom::FrameSinkVideoConsumerFrameCallbacksPtr shared_memory_releaser_;
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viz::mojom::FrameSinkVideoCapturerPtr video_capturer_;
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mojo::Binding<viz::mojom::FrameSinkVideoConsumer> video_consumer_binding_;
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base::WeakPtrFactory<FrameSubscriber> weak_factory_;
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