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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 CONTENT_BROWSER_RENDERER_HOST_MEDIA_IN_PROCESS_VIDEO_CAPTURE_DEVICE_LAUNCHER_H_
#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_IN_PROCESS_VIDEO_CAPTURE_DEVICE_LAUNCHER_H_
#include <memory>
#include <string>
#include "base/memory/raw_ptr.h"
#include "base/task/single_thread_task_runner.h"
#include "content/browser/renderer_host/media/video_capture_controller.h"
#include "content/browser/renderer_host/media/video_capture_provider.h"
#include "content/public/browser/video_capture_device_launcher.h"
#include "media/capture/video/video_capture_device.h"
#include "media/capture/video/video_capture_device_client.h"
#include "media/capture/video/video_capture_device_descriptor.h"
#include "services/video_effects/public/cpp/buildflags.h"
#include "third_party/blink/public/common/mediastream/media_stream_request.h"
#if BUILDFLAG(ENABLE_VIDEO_EFFECTS)
#include "services/video_effects/public/mojom/video_effects_processor.mojom-forward.h"
#endif
namespace media {
class FakeVideoCaptureDeviceFactory;
} // namespace media
namespace content {
struct DesktopMediaID;
class NativeScreenCapturePicker;
// Implementation of BuildableVideoCaptureDevice that creates capture devices
// in the same process as it is being operated on, which must be the Browser
// process. The devices are operated on the given |device_task_runner|.
// Instances of this class must be operated from the Browser process IO thread.
class InProcessVideoCaptureDeviceLauncher : public VideoCaptureDeviceLauncher {
public:
InProcessVideoCaptureDeviceLauncher(
scoped_refptr<base::SingleThreadTaskRunner> device_task_runner,
NativeScreenCapturePicker* picker);
~InProcessVideoCaptureDeviceLauncher() override;
void LaunchDeviceAsync(
const std::string& device_id,
blink::mojom::MediaStreamType stream_type,
const media::VideoCaptureParams& params,
base::WeakPtr<media::VideoFrameReceiver> receiver,
base::OnceClosure connection_lost_cb,
Callbacks* callbacks,
base::OnceClosure done_cb,
#if BUILDFLAG(ENABLE_VIDEO_EFFECTS)
mojo::PendingRemote<video_effects::mojom::VideoEffectsProcessor>
video_effects_processor,
#endif
mojo::PendingRemote<media::mojom::ReadonlyVideoEffectsManager>
readonly_video_effects_manager) override;
void AbortLaunch() override;
private:
using ReceiveDeviceCallback = base::OnceCallback<void(
std::unique_ptr<media::VideoCaptureDevice> device)>;
enum class State {
READY_TO_LAUNCH,
DEVICE_START_IN_PROGRESS,
DEVICE_START_ABORTING
};
std::unique_ptr<media::VideoCaptureDeviceClient> CreateDeviceClient(
media::VideoCaptureBufferType requested_buffer_type,
int buffer_pool_max_buffer_count,
std::unique_ptr<media::VideoFrameReceiver> receiver,
base::WeakPtr<media::VideoFrameReceiver> receiver_on_io_thread);
void OnDeviceStarted(Callbacks* callbacks,
base::OnceClosure done_cb,
std::unique_ptr<media::VideoCaptureDevice> device);
void DoStartTabCaptureOnDeviceThread(
const std::string& device_id,
const media::VideoCaptureParams& params,
std::unique_ptr<media::VideoFrameReceiver> receiver,
ReceiveDeviceCallback result_callback);
void DoStartVizFrameSinkWindowCaptureOnDeviceThread(
const DesktopMediaID& device_id,
const media::VideoCaptureParams& params,
std::unique_ptr<media::VideoFrameReceiver> receiver,
ReceiveDeviceCallback result_callback);
void DoStartDesktopCaptureOnDeviceThread(
const DesktopMediaID& desktop_id,
const media::VideoCaptureParams& params,
std::unique_ptr<media::VideoCaptureDeviceClient> client,
ReceiveDeviceCallback result_callback);
void DoStartDesktopCaptureWithReceiverOnDeviceThread(
const DesktopMediaID& desktop_id,
const media::VideoCaptureParams& params,
std::unique_ptr<media::VideoFrameReceiver> receiver,
ReceiveDeviceCallback result_callback);
void DoStartFakeDisplayCaptureOnDeviceThread(
const DesktopMediaID& desktop_id,
const media::VideoCaptureParams& params,
std::unique_ptr<media::VideoCaptureDeviceClient> client,
ReceiveDeviceCallback result_callback);
void OnFakeDevicesEnumerated(
const media::VideoCaptureParams& params,
std::unique_ptr<media::VideoCaptureDeviceClient> device_client,
ReceiveDeviceCallback result_callback,
std::vector<media::VideoCaptureDeviceInfo> devices_info);
const scoped_refptr<base::SingleThreadTaskRunner> device_task_runner_;
State state_;
std::unique_ptr<media::FakeVideoCaptureDeviceFactory> fake_device_factory_;
raw_ptr<NativeScreenCapturePicker> native_screen_capture_picker_;
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_IN_PROCESS_VIDEO_CAPTURE_DEVICE_LAUNCHER_H_
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