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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SERVICES_VIDEO_CAPTURE_SHARED_MEMORY_VIRTUAL_DEVICE_MOJO_ADAPTER_H_
#define SERVICES_VIDEO_CAPTURE_SHARED_MEMORY_VIRTUAL_DEVICE_MOJO_ADAPTER_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/device.h"
#include "services/video_capture/public/cpp/video_frame_access_handler.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 SharedMemoryVirtualDeviceMojoAdapter
: public mojom::SharedMemoryVirtualDevice,
public Device {
public:
explicit SharedMemoryVirtualDeviceMojoAdapter(
mojo::Remote<mojom::Producer> producer);
SharedMemoryVirtualDeviceMojoAdapter(
const SharedMemoryVirtualDeviceMojoAdapter&) = delete;
SharedMemoryVirtualDeviceMojoAdapter& operator=(
const SharedMemoryVirtualDeviceMojoAdapter&) = delete;
~SharedMemoryVirtualDeviceMojoAdapter() override;
// mojom::SharedMemoryVirtualDevice implementation.
void RequestFrameBuffer(const gfx::Size& dimension,
media::VideoPixelFormat pixel_format,
media::mojom::PlaneStridesPtr strides,
RequestFrameBufferCallback callback) override;
void OnFrameReadyInBuffer(
int32_t buffer_id,
::media::mojom::VideoFrameInfoPtr frame_info) override;
// Device implementation.
void Start(const media::VideoCaptureParams& requested_settings,
mojo::PendingRemote<mojom::VideoFrameHandler> receiver) override;
void StartInProcess(
const media::VideoCaptureParams& requested_settings,
const base::WeakPtr<media::VideoFrameReceiver>& frame_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();
// Returns the fixed maximum number of buffers passed to the constructor
// of VideoCaptureBufferPoolImpl.
static int max_buffer_pool_buffer_count();
private:
void OnReceiverConnectionErrorOrClose();
mojo::Remote<mojom::VideoFrameHandler> video_frame_handler_;
// Used when this device is started in process.
base::WeakPtr<media::VideoFrameReceiver> video_frame_handler_in_process_;
mojo::Remote<mojom::Producer> producer_;
scoped_refptr<media::VideoCaptureBufferPool> buffer_pool_;
std::vector<int> known_buffer_ids_;
scoped_refptr<ScopedAccessPermissionMap> scoped_access_permission_map_;
SEQUENCE_CHECKER(sequence_checker_);
};
} // namespace video_capture
#endif // SERVICES_VIDEO_CAPTURE_SHARED_MEMORY_VIRTUAL_DEVICE_MOJO_ADAPTER_H_