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1 /* | 1 /* |
2 * libjingle | 2 * Copyright 2012 The WebRTC Project Authors. All rights reserved. |
3 * Copyright 2012 Google Inc. | |
4 * | 3 * |
5 * Redistribution and use in source and binary forms, with or without | 4 * Use of this source code is governed by a BSD-style license |
6 * modification, are permitted provided that the following conditions are met: | 5 * that can be found in the LICENSE file in the root of the source |
7 * | 6 * tree. An additional intellectual property rights grant can be found |
8 * 1. Redistributions of source code must retain the above copyright notice, | 7 * in the file PATENTS. All contributing project authors may |
9 * this list of conditions and the following disclaimer. | 8 * be found in the AUTHORS file in the root of the source tree. |
10 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
11 * this list of conditions and the following disclaimer in the documentation | |
12 * and/or other materials provided with the distribution. | |
13 * 3. The name of the author may not be used to endorse or promote products | |
14 * derived from this software without specific prior written permission. | |
15 * | |
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
26 */ | 9 */ |
27 | 10 |
28 // The CaptureManager class manages VideoCapturers to make it possible to share | 11 // The CaptureManager class manages VideoCapturers to make it possible to share |
29 // the same VideoCapturers across multiple instances. E.g. if two instances of | 12 // the same VideoCapturers across multiple instances. E.g. if two instances of |
30 // some class want to listen to same VideoCapturer they can't individually stop | 13 // some class want to listen to same VideoCapturer they can't individually stop |
31 // and start capturing as doing so will affect the other instance. | 14 // and start capturing as doing so will affect the other instance. |
32 // The class employs reference counting on starting and stopping of capturing of | 15 // The class employs reference counting on starting and stopping of capturing of |
33 // frames such that if anyone is still listening it will not be stopped. The | 16 // frames such that if anyone is still listening it will not be stopped. The |
34 // class also provides APIs for attaching VideoRenderers to a specific capturer | 17 // class also provides APIs for attaching VideoRenderers to a specific capturer |
35 // such that the VideoRenderers are fed frames directly from the capturer. | 18 // such that the VideoRenderers are fed frames directly from the capturer. |
36 // CaptureManager is Thread-unsafe. This means that none of its APIs may be | 19 // CaptureManager is Thread-unsafe. This means that none of its APIs may be |
37 // called concurrently. Note that callbacks are called by the VideoCapturer's | 20 // called concurrently. Note that callbacks are called by the VideoCapturer's |
38 // thread which is normally a separate unmarshalled thread and thus normally | 21 // thread which is normally a separate unmarshalled thread and thus normally |
39 // require lock protection. | 22 // require lock protection. |
40 | 23 |
41 #ifndef TALK_MEDIA_BASE_CAPTUREMANAGER_H_ | 24 #ifndef WEBRTC_MEDIA_BASE_CAPTUREMANAGER_H_ |
42 #define TALK_MEDIA_BASE_CAPTUREMANAGER_H_ | 25 #define WEBRTC_MEDIA_BASE_CAPTUREMANAGER_H_ |
43 | 26 |
44 #include <map> | 27 #include <map> |
45 #include <vector> | 28 #include <vector> |
46 | 29 |
47 #include "talk/media/base/capturerenderadapter.h" | |
48 #include "talk/media/base/videocommon.h" | |
49 #include "webrtc/base/sigslotrepeater.h" | 30 #include "webrtc/base/sigslotrepeater.h" |
50 #include "webrtc/base/thread_checker.h" | 31 #include "webrtc/base/thread_checker.h" |
| 32 #include "webrtc/media/base/capturerenderadapter.h" |
| 33 #include "webrtc/media/base/videocommon.h" |
51 | 34 |
52 namespace cricket { | 35 namespace cricket { |
53 | 36 |
54 class VideoCapturer; | 37 class VideoCapturer; |
55 class VideoRenderer; | 38 class VideoRenderer; |
56 class VideoCapturerState; | 39 class VideoCapturerState; |
57 | 40 |
58 class CaptureManager : public sigslot::has_slots<> { | 41 class CaptureManager : public sigslot::has_slots<> { |
59 public: | 42 public: |
60 enum RestartOptions { | 43 enum RestartOptions { |
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98 | 81 |
99 VideoCapturerState* GetCaptureState(VideoCapturer* video_capturer) const; | 82 VideoCapturerState* GetCaptureState(VideoCapturer* video_capturer) const; |
100 CaptureRenderAdapter* GetAdapter(VideoCapturer* video_capturer) const; | 83 CaptureRenderAdapter* GetAdapter(VideoCapturer* video_capturer) const; |
101 | 84 |
102 rtc::ThreadChecker thread_checker_; | 85 rtc::ThreadChecker thread_checker_; |
103 CaptureStates capture_states_; | 86 CaptureStates capture_states_; |
104 }; | 87 }; |
105 | 88 |
106 } // namespace cricket | 89 } // namespace cricket |
107 | 90 |
108 #endif // TALK_MEDIA_BASE_CAPTUREMANAGER_H_ | 91 #endif // WEBRTC_MEDIA_BASE_CAPTUREMANAGER_H_ |
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