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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 // VideoCaptureHost serves video capture related messages from | 5 // VideoCaptureHost serves video capture related messages from |
6 // VideCaptureMessageFilter which lives inside the render process. | 6 // VideCaptureMessageFilter which lives inside the render process. |
7 // | 7 // |
8 // This class is owned by BrowserRenderProcessHost, and instantiated on UI | 8 // This class is owned by BrowserRenderProcessHost, and instantiated on UI |
9 // thread, but all other operations and method calls happen on IO thread. | 9 // thread, but all other operations and method calls happen on IO thread. |
10 // | 10 // |
11 // Here's an example of a typical IPC dialog for video capture: | 11 // Here's an example of a typical IPC dialog for video capture: |
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38 | 38 |
39 #include <map> | 39 #include <map> |
40 | 40 |
41 #include "base/memory/ref_counted.h" | 41 #include "base/memory/ref_counted.h" |
42 #include "base/message_loop_helpers.h" | 42 #include "base/message_loop_helpers.h" |
43 #include "content/browser/renderer_host/media/video_capture_controller.h" | 43 #include "content/browser/renderer_host/media/video_capture_controller.h" |
44 #include "content/common/content_export.h" | 44 #include "content/common/content_export.h" |
45 #include "content/public/browser/browser_message_filter.h" | 45 #include "content/public/browser/browser_message_filter.h" |
46 #include "ipc/ipc_message.h" | 46 #include "ipc/ipc_message.h" |
47 | 47 |
| 48 class AudioManager; |
| 49 |
48 namespace content { | 50 namespace content { |
49 class ResourceContext; | 51 class ResourceContext; |
50 } // namespace content | 52 } // namespace content |
51 | 53 |
52 namespace media { | |
53 class AudioManager; | |
54 } | |
55 | |
56 class CONTENT_EXPORT VideoCaptureHost | 54 class CONTENT_EXPORT VideoCaptureHost |
57 : public content::BrowserMessageFilter, | 55 : public content::BrowserMessageFilter, |
58 public VideoCaptureControllerEventHandler { | 56 public VideoCaptureControllerEventHandler { |
59 public: | 57 public: |
60 explicit VideoCaptureHost(content::ResourceContext* resource_context, | 58 explicit VideoCaptureHost(content::ResourceContext* resource_context, |
61 media::AudioManager* audio_manager); | 59 AudioManager* audio_manager); |
62 | 60 |
63 // content::BrowserMessageFilter implementation. | 61 // content::BrowserMessageFilter implementation. |
64 virtual void OnChannelClosing() OVERRIDE; | 62 virtual void OnChannelClosing() OVERRIDE; |
65 virtual void OnDestruct() const OVERRIDE; | 63 virtual void OnDestruct() const OVERRIDE; |
66 virtual bool OnMessageReceived(const IPC::Message& message, | 64 virtual bool OnMessageReceived(const IPC::Message& message, |
67 bool* message_was_ok) OVERRIDE; | 65 bool* message_was_ok) OVERRIDE; |
68 | 66 |
69 // VideoCaptureControllerEventHandler implementation. | 67 // VideoCaptureControllerEventHandler implementation. |
70 virtual void OnError(const VideoCaptureControllerID& id) OVERRIDE; | 68 virtual void OnError(const VideoCaptureControllerID& id) OVERRIDE; |
71 virtual void OnBufferCreated(const VideoCaptureControllerID& id, | 69 virtual void OnBufferCreated(const VideoCaptureControllerID& id, |
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140 // Helpers. | 138 // Helpers. |
141 media_stream::VideoCaptureManager* GetVideoCaptureManager(); | 139 media_stream::VideoCaptureManager* GetVideoCaptureManager(); |
142 | 140 |
143 struct Entry; | 141 struct Entry; |
144 typedef std::map<VideoCaptureControllerID, Entry*> EntryMap; | 142 typedef std::map<VideoCaptureControllerID, Entry*> EntryMap; |
145 // A map of VideoCaptureControllerID to its state and VideoCaptureController. | 143 // A map of VideoCaptureControllerID to its state and VideoCaptureController. |
146 EntryMap entries_; | 144 EntryMap entries_; |
147 | 145 |
148 // Used to get a pointer to VideoCaptureManager to start/stop capture devices. | 146 // Used to get a pointer to VideoCaptureManager to start/stop capture devices. |
149 content::ResourceContext* resource_context_; | 147 content::ResourceContext* resource_context_; |
150 media::AudioManager* audio_manager_; | 148 AudioManager* audio_manager_; |
151 | 149 |
152 DISALLOW_COPY_AND_ASSIGN(VideoCaptureHost); | 150 DISALLOW_COPY_AND_ASSIGN(VideoCaptureHost); |
153 }; | 151 }; |
154 | 152 |
155 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_HOST_H_ | 153 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_HOST_H_ |
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