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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 { |
| (...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 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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