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- // Copyright 2020 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 SERVICES_VIDEO_CAPTURE_GPU_MEMORY_BUFFER_VIRTUAL_DEVICE_MOJO_ADAPTER_H_
- #define SERVICES_VIDEO_CAPTURE_GPU_MEMORY_BUFFER_VIRTUAL_DEVICE_MOJO_ADAPTER_H_
- #include <map>
- #include "base/callback.h"
- #include "base/sequence_checker.h"
- #include "media/capture/video/video_capture_buffer_pool.h"
- #include "media/capture/video_capture_types.h"
- #include "mojo/public/cpp/bindings/pending_remote.h"
- #include "mojo/public/cpp/bindings/remote.h"
- #include "services/video_capture/public/cpp/video_frame_access_handler.h"
- #include "services/video_capture/public/mojom/device.mojom.h"
- #include "services/video_capture/public/mojom/producer.mojom.h"
- #include "services/video_capture/public/mojom/video_frame_handler.mojom.h"
- #include "services/video_capture/public/mojom/virtual_device.mojom.h"
- namespace video_capture {
- class GpuMemoryBufferVirtualDeviceMojoAdapter
- : public mojom::GpuMemoryBufferVirtualDevice,
- public mojom::Device {
- public:
- GpuMemoryBufferVirtualDeviceMojoAdapter();
- GpuMemoryBufferVirtualDeviceMojoAdapter(
- GpuMemoryBufferVirtualDeviceMojoAdapter&) = delete;
- GpuMemoryBufferVirtualDeviceMojoAdapter& operator=(
- GpuMemoryBufferVirtualDeviceMojoAdapter&) = delete;
- GpuMemoryBufferVirtualDeviceMojoAdapter(
- const GpuMemoryBufferVirtualDeviceMojoAdapter&) = delete;
- GpuMemoryBufferVirtualDeviceMojoAdapter& operator=(
- const GpuMemoryBufferVirtualDeviceMojoAdapter&) = delete;
- ~GpuMemoryBufferVirtualDeviceMojoAdapter() override;
- void SetReceiverDisconnectedCallback(base::OnceClosure callback);
- // mojom::GpuMemoryBufferVirtualDevice implementation.
- void OnNewGpuMemoryBufferHandle(
- int32_t buffer_id,
- gfx::GpuMemoryBufferHandle gmb_handle) override;
- void OnFrameAccessHandlerReady(
- mojo::PendingRemote<video_capture::mojom::VideoFrameAccessHandler>
- pending_frame_access_handler) override;
- void OnFrameReadyInBuffer(
- int32_t buffer_id,
- media::mojom::VideoFrameInfoPtr frame_info) override;
- void OnBufferRetired(int buffer_id) override;
- // mojom::Device implementation.
- void Start(const media::VideoCaptureParams& requested_settings,
- mojo::PendingRemote<mojom::VideoFrameHandler> handler) override;
- void MaybeSuspend() override;
- void Resume() override;
- void GetPhotoState(GetPhotoStateCallback callback) override;
- void SetPhotoOptions(media::mojom::PhotoSettingsPtr settings,
- SetPhotoOptionsCallback callback) override;
- void TakePhoto(TakePhotoCallback callback) override;
- void ProcessFeedback(const media::VideoCaptureFeedback& feedback) override;
- void RequestRefreshFrame() override;
- void Stop();
- private:
- void OnReceiverConnectionErrorOrClose();
- base::OnceClosure optional_receiver_disconnected_callback_;
- // The |video_frame_handler_| can be bound and unbound during the lifetime of
- // this adapter (e.g. due to Start(), Stop() and Start() again).
- mojo::Remote<mojom::VideoFrameHandler> video_frame_handler_;
- std::map<int32_t, gfx::GpuMemoryBufferHandle> known_buffer_handles_;
- // Because the adapter's lifetime can be greater than |video_frame_handler_|,
- // each handler that is bound gets forwarded its own instance of
- // VideoFrameAccessHandlerForwarder.
- scoped_refptr<VideoFrameAccessHandlerRemote> frame_access_handler_remote_;
- bool video_frame_handler_has_forwarder_ = false;
- SEQUENCE_CHECKER(sequence_checker_);
- };
- } // namespace video_capture
- #endif // SERVICES_VIDEO_CAPTURE_GPU_MEMORY_BUFFER_VIRTUAL_DEVICE_MOJO_ADAPTER_H_
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