chromium/content/browser/media/capture/web_contents_video_capture_device.h

// Copyright 2012 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_MEDIA_CAPTURE_WEB_CONTENTS_VIDEO_CAPTURE_DEVICE_H_
#define CONTENT_BROWSER_MEDIA_CAPTURE_WEB_CONTENTS_VIDEO_CAPTURE_DEVICE_H_

#include <memory>
#include <string>

#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "base/threading/sequence_bound.h"
#include "content/browser/media/capture/frame_sink_video_capture_device.h"
#include "content/browser/media/capture/web_contents_frame_tracker.h"
#include "content/common/content_export.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/global_routing_id.h"
#include "content/public/browser/web_contents_media_capture_id.h"
#include "media/capture/mojom/video_capture_types.mojom.h"

namespace content {

// Captures the displayed contents of a WebContents, producing a stream of video
// frames.
//
// Generally, Create() is called with a device ID string that contains
// information necessary for finding a WebContents instance. Thereafter, this
// capture device will capture from the frame sink corresponding to the main
// frame of the RenderFrameHost tree for that WebContents instance. As the
// RenderFrameHost tree mutates (e.g., due to page navigations, crashes, or
// reloads), capture will continue without interruption.
class CONTENT_EXPORT WebContentsVideoCaptureDevice
    : public FrameSinkVideoCaptureDevice { … };

}  // namespace content

#endif  // CONTENT_BROWSER_MEDIA_CAPTURE_WEB_CONTENTS_VIDEO_CAPTURE_DEVICE_H_