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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 // Implement a simple base class for a DirectShow input pin. It may only be | 5 // Implement a simple base class for a DirectShow input pin. It may only be |
| 6 // used in a single threaded apartment. | 6 // used in a single threaded apartment. |
| 7 | 7 |
| 8 #ifndef MEDIA_CAPTURE_VIDEO_WIN_PIN_BASE_WIN_H_ | 8 #ifndef DEVICE_CAPTURE_VIDEO_WIN_PIN_BASE_WIN_H_ |
| 9 #define MEDIA_CAPTURE_VIDEO_WIN_PIN_BASE_WIN_H_ | 9 #define DEVICE_CAPTURE_VIDEO_WIN_PIN_BASE_WIN_H_ |
| 10 | 10 |
| 11 // Avoid including strsafe.h via dshow as it will cause build warnings. | 11 // Avoid including strsafe.h via dshow as it will cause build warnings. |
| 12 #define NO_DSHOW_STRSAFE | 12 #define NO_DSHOW_STRSAFE |
| 13 #include <dshow.h> | 13 #include <dshow.h> |
| 14 | 14 |
| 15 #include "base/memory/ref_counted.h" | 15 #include "base/memory/ref_counted.h" |
| 16 #include "base/win/scoped_comptr.h" | 16 #include "base/win/scoped_comptr.h" |
| 17 | 17 |
| 18 namespace media { | 18 namespace device { |
| 19 | 19 |
| 20 class PinBase : public IPin, | 20 class PinBase : public IPin, |
| 21 public IMemInputPin, | 21 public IMemInputPin, |
| 22 public base::RefCounted<PinBase> { | 22 public base::RefCounted<PinBase> { |
| 23 public: | 23 public: |
| 24 explicit PinBase(IBaseFilter* owner); | 24 explicit PinBase(IBaseFilter* owner); |
| 25 | 25 |
| 26 // Function used for changing the owner. | 26 // Function used for changing the owner. |
| 27 // If the owner is deleted the owner should first call this function | 27 // If the owner is deleted the owner should first call this function |
| 28 // with owner = NULL. | 28 // with owner = NULL. |
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| 99 virtual ~PinBase(); | 99 virtual ~PinBase(); |
| 100 | 100 |
| 101 private: | 101 private: |
| 102 AM_MEDIA_TYPE current_media_type_; | 102 AM_MEDIA_TYPE current_media_type_; |
| 103 base::win::ScopedComPtr<IPin> connected_pin_; | 103 base::win::ScopedComPtr<IPin> connected_pin_; |
| 104 // owner_ is the filter owning this pin. We don't reference count it since | 104 // owner_ is the filter owning this pin. We don't reference count it since |
| 105 // that would create a circular reference count. | 105 // that would create a circular reference count. |
| 106 IBaseFilter* owner_; | 106 IBaseFilter* owner_; |
| 107 }; | 107 }; |
| 108 | 108 |
| 109 } // namespace media | 109 } // namespace device |
| 110 | 110 |
| 111 #endif // MEDIA_CAPTURE_VIDEO_WIN_PIN_BASE_WIN_H_ | 111 #endif // DEVICE_CAPTURE_VIDEO_WIN_PIN_BASE_WIN_H_ |
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