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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 // Implementation of a fake VideoCaptureDevice class. Used for testing other | 5 // Implementation of a fake VideoCaptureDevice class. Used for testing other |
6 // video capture classes when no real hardware is available. | 6 // video capture classes when no real hardware is available. |
7 | 7 |
8 #ifndef MEDIA_VIDEO_CAPTURE_FAKE_VIDEO_CAPTURE_DEVICE_H_ | 8 #ifndef MEDIA_VIDEO_CAPTURE_FAKE_VIDEO_CAPTURE_DEVICE_H_ |
9 #define MEDIA_VIDEO_CAPTURE_FAKE_VIDEO_CAPTURE_DEVICE_H_ | 9 #define MEDIA_VIDEO_CAPTURE_FAKE_VIDEO_CAPTURE_DEVICE_H_ |
10 | 10 |
11 #include <string> | 11 #include <string> |
12 | 12 |
13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
14 #include "base/threading/thread.h" | 14 #include "base/threading/thread.h" |
15 #include "media/video/capture/video_capture_device.h" | 15 #include "media/video/capture/video_capture_device.h" |
16 | 16 |
17 namespace media { | 17 namespace media { |
18 | 18 |
19 class MEDIA_EXPORT FakeVideoCaptureDevice : public VideoCaptureDevice { | 19 class MEDIA_EXPORT FakeVideoCaptureDevice : public VideoCaptureDevice { |
20 public: | 20 public: |
21 static VideoCaptureDevice* Create(const Name& device_name); | 21 static VideoCaptureDevice* Create(const Name& device_name); |
22 virtual ~FakeVideoCaptureDevice(); | 22 virtual ~FakeVideoCaptureDevice(); |
23 // Used for testing. This will make sure the next call to Create will | 23 // Used for testing. This will make sure the next call to Create will |
24 // return NULL; | 24 // return NULL; |
25 static void SetFailNextCreate(); | 25 static void SetFailNextCreate(); |
26 static void SetNumberOfFakeDevices(int num); | |
27 static int NumberOfFakeDevices(); | |
28 | 26 |
29 static void GetDeviceNames(Names* device_names); | 27 static void GetDeviceNames(Names* device_names); |
30 static void GetDeviceSupportedFormats(const Name& device, | 28 static void GetDeviceSupportedFormats(const Name& device, |
31 VideoCaptureCapabilities* formats); | 29 VideoCaptureCapabilities* formats); |
32 | 30 |
33 // VideoCaptureDevice implementation. | 31 // VideoCaptureDevice implementation. |
34 virtual void AllocateAndStart( | 32 virtual void AllocateAndStart( |
35 const VideoCaptureCapability& capture_format, | 33 const VideoCaptureCapability& capture_format, |
36 scoped_ptr<VideoCaptureDevice::Client> client) OVERRIDE; | 34 scoped_ptr<VideoCaptureDevice::Client> client) OVERRIDE; |
37 virtual void StopAndDeAllocate() OVERRIDE; | 35 virtual void StopAndDeAllocate() OVERRIDE; |
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58 base::Thread capture_thread_; | 56 base::Thread capture_thread_; |
59 scoped_ptr<uint8[]> fake_frame_; | 57 scoped_ptr<uint8[]> fake_frame_; |
60 int frame_count_; | 58 int frame_count_; |
61 VideoCaptureCapability capture_format_; | 59 VideoCaptureCapability capture_format_; |
62 | 60 |
63 // When the device is configured as mutating video captures, this vector | 61 // When the device is configured as mutating video captures, this vector |
64 // holds the available ones which are used in sequence, restarting at the end. | 62 // holds the available ones which are used in sequence, restarting at the end. |
65 std::vector<VideoCaptureCapability> capabilities_roster_; | 63 std::vector<VideoCaptureCapability> capabilities_roster_; |
66 int capabilities_roster_index_; | 64 int capabilities_roster_index_; |
67 | 65 |
68 static int number_of_fake_devices_; | |
69 static bool fail_next_create_; | 66 static bool fail_next_create_; |
70 | 67 |
71 DISALLOW_COPY_AND_ASSIGN(FakeVideoCaptureDevice); | 68 DISALLOW_COPY_AND_ASSIGN(FakeVideoCaptureDevice); |
72 }; | 69 }; |
73 | 70 |
74 } // namespace media | 71 } // namespace media |
75 | 72 |
76 #endif // MEDIA_VIDEO_CAPTURE_FAKE_VIDEO_CAPTURE_DEVICE_H_ | 73 #endif // MEDIA_VIDEO_CAPTURE_FAKE_VIDEO_CAPTURE_DEVICE_H_ |
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