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// Copyright (c) 2013 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_DESKTOP_CAPTURE_DEVICE_H_
#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_DESKTOP_CAPTURE_DEVICE_H_
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "content/common/content_export.h"
#include "media/video/capture/video_capture_device.h"
namespace base {
class SequencedTaskRunner;
} // namespace base
namespace webrtc {
class DesktopCapturer;
} // namespace webrtc
namespace content {
struct DesktopMediaID;
// DesktopCaptureDevice implements VideoCaptureDevice for screens and windows.
// It's essentially an adapter between webrtc::DesktopCapturer and
// VideoCaptureDevice.
class CONTENT_EXPORT DesktopCaptureDevice : public media::VideoCaptureDevice {
public:
// Creates capturer for the specified |source| and then creates
// DesktopCaptureDevice for it. May return NULL in case of a failure (e.g. if
// requested window was destroyed).
static scoped_ptr<media::VideoCaptureDevice> Create(
const DesktopMediaID& source);
DesktopCaptureDevice(scoped_refptr<base::SequencedTaskRunner> task_runner,
scoped_ptr<webrtc::DesktopCapturer> desktop_capturer);
virtual ~DesktopCaptureDevice();
// VideoCaptureDevice interface.
virtual void AllocateAndStart(
const media::VideoCaptureCapability& capture_format,
scoped_ptr<Client> client) OVERRIDE;
virtual void StopAndDeAllocate() OVERRIDE;
private:
class Core;
scoped_refptr<Core> core_;
DISALLOW_COPY_AND_ASSIGN(DesktopCaptureDevice);
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_DESKTOP_CAPTURE_DEVICE_H_
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