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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Windows specific implementation of VideoCaptureDevice. | 5 // Windows specific implementation of VideoCaptureDevice. |
6 // DirectShow is used for capturing. DirectShow provide its own threads | 6 // DirectShow is used for capturing. DirectShow provide its own threads |
7 // for capturing. | 7 // for capturing. |
8 | 8 |
9 #ifndef MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_MF_WIN_H_ | 9 #ifndef MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_MF_WIN_H_ |
10 #define MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_MF_WIN_H_ | 10 #define MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_MF_WIN_H_ |
11 | 11 |
12 #include <mfidl.h> | 12 #include <mfidl.h> |
13 #include <mfreadwrite.h> | 13 #include <mfreadwrite.h> |
14 | 14 |
15 #include <vector> | 15 #include <vector> |
16 | 16 |
17 #include "base/synchronization/lock.h" | 17 #include "base/synchronization/lock.h" |
18 #include "base/threading/non_thread_safe.h" | 18 #include "base/threading/non_thread_safe.h" |
19 #include "base/win/scoped_comptr.h" | 19 #include "base/win/scoped_comptr.h" |
20 #include "media/base/media_export.h" | 20 #include "media/base/media_export.h" |
21 #include "media/video/capture/video_capture_device.h" | 21 #include "media/video/capture/video_capture_device.h" |
22 #include "media/video/capture/win/capability_list_win.h" | |
23 | 22 |
24 interface IMFSourceReader; | 23 interface IMFSourceReader; |
25 | 24 |
26 namespace media { | 25 namespace media { |
27 | 26 |
28 class MFReaderCallback; | 27 class MFReaderCallback; |
29 | 28 |
30 const DWORD kFirstVideoStream = | 29 const DWORD kFirstVideoStream = |
31 static_cast<DWORD>(MF_SOURCE_READER_FIRST_VIDEO_STREAM); | 30 static_cast<DWORD>(MF_SOURCE_READER_FIRST_VIDEO_STREAM); |
32 | 31 |
33 class MEDIA_EXPORT VideoCaptureDeviceMFWin | 32 class MEDIA_EXPORT VideoCaptureDeviceMFWin |
34 : public base::NonThreadSafe, | 33 : public base::NonThreadSafe, |
35 public VideoCaptureDevice { | 34 public VideoCaptureDevice { |
36 public: | 35 public: |
37 static bool FormatFromGuid(const GUID& guid, VideoPixelFormat* format); | 36 static bool FormatFromGuid(const GUID& guid, VideoPixelFormat* format); |
38 static HRESULT FillCapabilities(IMFSourceReader* source, | |
39 CapabilityList* capabilities); | |
40 | 37 |
41 explicit VideoCaptureDeviceMFWin(const Name& device_name); | 38 explicit VideoCaptureDeviceMFWin(const Name& device_name); |
42 virtual ~VideoCaptureDeviceMFWin(); | 39 virtual ~VideoCaptureDeviceMFWin(); |
43 | 40 |
44 // Opens the device driver for this device. | 41 // Opens the device driver for this device. |
45 bool Init(const base::win::ScopedComPtr<IMFMediaSource>& source); | 42 bool Init(const base::win::ScopedComPtr<IMFMediaSource>& source); |
46 | 43 |
47 // VideoCaptureDevice implementation. | 44 // VideoCaptureDevice implementation. |
48 virtual void AllocateAndStart(const VideoCaptureParams& params, | 45 virtual void AllocateAndStart(const VideoCaptureParams& params, |
49 scoped_ptr<VideoCaptureDevice::Client> client) | 46 scoped_ptr<VideoCaptureDevice::Client> client) |
(...skipping 18 matching lines...) Expand all Loading... |
68 base::win::ScopedComPtr<IMFSourceReader> reader_; | 65 base::win::ScopedComPtr<IMFSourceReader> reader_; |
69 VideoCaptureFormat capture_format_; | 66 VideoCaptureFormat capture_format_; |
70 bool capture_; | 67 bool capture_; |
71 | 68 |
72 DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceMFWin); | 69 DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceMFWin); |
73 }; | 70 }; |
74 | 71 |
75 } // namespace media | 72 } // namespace media |
76 | 73 |
77 #endif // MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_MF_WIN_H_ | 74 #endif // MEDIA_VIDEO_CAPTURE_WIN_VIDEO_CAPTURE_DEVICE_MF_WIN_H_ |
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