1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_DESKTOP_CAPTURE_DEVICE_H_
6 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_DESKTOP_CAPTURE_DEVICE_H_
8 #include "base/memory/ref_counted.h"
9 #include "base/memory/scoped_ptr.h"
10 #include "content/common/content_export.h"
11 #include "media/video/capture/video_capture_device.h"
14 class SequencedTaskRunner;
18 class DesktopCapturer;
23 struct DesktopMediaID;
25 // DesktopCaptureDevice implements VideoCaptureDevice for screens and windows.
26 // It's essentially an adapter between webrtc::DesktopCapturer and
27 // VideoCaptureDevice.
28 class CONTENT_EXPORT DesktopCaptureDevice : public media::VideoCaptureDevice {
30 // Creates capturer for the specified |source| and then creates
31 // DesktopCaptureDevice for it. May return NULL in case of a failure (e.g. if
32 // requested window was destroyed).
33 static scoped_ptr<media::VideoCaptureDevice> Create(
34 const DesktopMediaID& source);
36 DesktopCaptureDevice(scoped_refptr<base::SequencedTaskRunner> task_runner,
37 scoped_ptr<webrtc::DesktopCapturer> desktop_capturer);
38 virtual ~DesktopCaptureDevice();
40 // VideoCaptureDevice interface.
41 virtual void AllocateAndStart(
42 const media::VideoCaptureCapability& capture_format,
43 scoped_ptr<Client> client) OVERRIDE;
44 virtual void StopAndDeAllocate() OVERRIDE;
48 scoped_refptr<Core> core_;
50 DISALLOW_COPY_AND_ASSIGN(DesktopCaptureDevice);
53 } // namespace content
55 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_DESKTOP_CAPTURE_DEVICE_H_