blob: 926baa33794b7aceac8fd760aa84a5bcb6d62492 [file] [log] [blame]
// Copyright 2017 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 CONTENT_BROWSER_RENDERER_HOST_MEDIA_SERVICE_VIDEO_CAPTURE_DEVICE_LAUNCHER_H_
#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_SERVICE_VIDEO_CAPTURE_DEVICE_LAUNCHER_H_
#include "content/browser/renderer_host/media/video_capture_factory_delegate.h"
#include "content/browser/renderer_host/media/video_capture_provider.h"
#include "content/public/browser/video_capture_device_launcher.h"
#include "content/public/common/media_stream_request.h"
#include "services/video_capture/public/mojom/device_factory.mojom.h"
namespace content {
// Implementation of VideoCaptureDeviceLauncher that uses the "video_capture"
// service.
class CONTENT_EXPORT ServiceVideoCaptureDeviceLauncher
: public VideoCaptureDeviceLauncher {
public:
// Receives an instance via output parameter |factory|.
using ConnectToDeviceFactoryCB = base::RepeatingCallback<void(
std::unique_ptr<VideoCaptureFactoryDelegate>* factory)>;
explicit ServiceVideoCaptureDeviceLauncher(
ConnectToDeviceFactoryCB connect_to_device_factory_cb);
~ServiceVideoCaptureDeviceLauncher() override;
// VideoCaptureDeviceLauncher implementation.
void LaunchDeviceAsync(const std::string& device_id,
MediaStreamType stream_type,
const media::VideoCaptureParams& params,
base::WeakPtr<media::VideoFrameReceiver> receiver,
base::OnceClosure connection_lost_cb,
Callbacks* callbacks,
base::OnceClosure done_cb) override;
void AbortLaunch() override;
void OnUtilizationReport(int frame_feedback_id, double utilization);
private:
enum class State {
READY_TO_LAUNCH,
DEVICE_START_IN_PROGRESS,
DEVICE_START_ABORTING
};
void OnCreateDeviceCallback(
const media::VideoCaptureParams& params,
video_capture::mojom::DevicePtr device,
base::WeakPtr<media::VideoFrameReceiver> receiver,
base::OnceClosure connection_lost_cb,
video_capture::mojom::DeviceAccessResultCode result_code);
void OnConnectionLostWhileWaitingForCallback();
ConnectToDeviceFactoryCB connect_to_device_factory_cb_;
std::unique_ptr<VideoCaptureFactoryDelegate> device_factory_;
State state_;
base::SequenceChecker sequence_checker_;
base::OnceClosure done_cb_;
Callbacks* callbacks_;
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_SERVICE_VIDEO_CAPTURE_DEVICE_LAUNCHER_H_