OLD | NEW |
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 #ifndef CONTENT_RENDERER_MEDIA_MEDIA_STREAM_IMPL_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_STREAM_MEDIA_STREAM_IMPL_H_ |
6 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_IMPL_H_ | 6 #define CONTENT_RENDERER_MEDIA_STREAM_MEDIA_STREAM_IMPL_H_ |
7 | |
8 #include <list> | |
9 #include <map> | |
10 #include <string> | |
11 | 7 |
12 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
13 #include "base/gtest_prod_util.h" | |
14 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
15 #include "base/memory/scoped_ptr.h" | |
16 #include "base/message_loop_proxy.h" | |
17 #include "base/threading/non_thread_safe.h" | |
18 #include "base/threading/thread.h" | |
19 #include "content/common/content_export.h" | |
20 #include "content/renderer/media/media_stream_dispatcher_eventhandler.h" | |
21 #include "third_party/WebKit/Source/WebKit/chromium/public/WebUserMediaClient.h" | |
22 #include "third_party/WebKit/Source/WebKit/chromium/public/WebUserMediaRequest.h
" | |
23 #include "webkit/media/media_stream_client.h" | 10 #include "webkit/media/media_stream_client.h" |
24 | 11 |
25 namespace base { | 12 class VideoCaptureImplManager; |
26 class WaitableEvent; | |
27 } | |
28 | 13 |
29 namespace content { | 14 // A implementation of StreamClient to provide supporting functions, such as |
30 class IpcNetworkManager; | 15 // GetVideoDecoder. |
31 class IpcPacketSocketFactory; | 16 class MediaStreamImpl |
32 class P2PSocketDispatcher; | 17 : public webkit_media::MediaStreamClient, |
33 } | |
34 | |
35 namespace cricket { | |
36 class WebRtcMediaEngine; | |
37 } | |
38 | |
39 namespace talk_base { | |
40 class Thread; | |
41 } | |
42 | |
43 namespace WebKit { | |
44 class WebPeerConnectionHandler; | |
45 class WebPeerConnectionHandlerClient; | |
46 } | |
47 | |
48 class MediaStreamDispatcher; | |
49 class MediaStreamDependencyFactory; | |
50 class PeerConnectionHandler; | |
51 class VideoCaptureImplManager; | |
52 class RTCVideoDecoder; | |
53 | |
54 // MediaStreamImpl is a delegate for the Media Stream API messages used by | |
55 // WebKit. It ties together WebKit, native PeerConnection in libjingle and | |
56 // MediaStreamManager (via MediaStreamDispatcher and MediaStreamDispatcherHost) | |
57 // in the browser process. It must be created, called and destroyed on the | |
58 // render thread. | |
59 class CONTENT_EXPORT MediaStreamImpl | |
60 : public WebKit::WebUserMediaClient, | |
61 public webkit_media::MediaStreamClient, | |
62 public MediaStreamDispatcherEventHandler, | |
63 public base::NonThreadSafe, | |
64 public base::RefCountedThreadSafe<MediaStreamImpl> { | 18 public base::RefCountedThreadSafe<MediaStreamImpl> { |
65 public: | 19 public: |
66 MediaStreamImpl( | 20 explicit MediaStreamImpl(VideoCaptureImplManager* vc_manager); |
67 MediaStreamDispatcher* media_stream_dispatcher, | |
68 content::P2PSocketDispatcher* p2p_socket_dispatcher, | |
69 VideoCaptureImplManager* vc_manager, | |
70 MediaStreamDependencyFactory* dependency_factory); | |
71 virtual ~MediaStreamImpl(); | 21 virtual ~MediaStreamImpl(); |
72 | 22 |
73 virtual WebKit::WebPeerConnectionHandler* CreatePeerConnectionHandler( | 23 // Implement webkit_media::StreamClient. |
74 WebKit::WebPeerConnectionHandlerClient* client); | |
75 virtual void ClosePeerConnection(); | |
76 | |
77 // Returns true if created successfully or already exists, false otherwise. | |
78 virtual bool SetVideoCaptureModule(const std::string& label); | |
79 | |
80 // WebKit::WebUserMediaClient implementation | |
81 virtual void requestUserMedia( | |
82 const WebKit::WebUserMediaRequest& user_media_request, | |
83 const WebKit::WebVector<WebKit::WebMediaStreamSource>& | |
84 media_stream_source_vector) OVERRIDE; | |
85 virtual void cancelUserMediaRequest( | |
86 const WebKit::WebUserMediaRequest& user_media_request) OVERRIDE; | |
87 | |
88 // webkit_media::MediaStreamClient implementation. | |
89 virtual scoped_refptr<media::VideoDecoder> GetVideoDecoder( | 24 virtual scoped_refptr<media::VideoDecoder> GetVideoDecoder( |
90 const GURL& url, | 25 const GURL& url, |
91 media::MessageLoopFactory* message_loop_factory) OVERRIDE; | 26 media::MessageLoopFactory* message_loop_factory) OVERRIDE; |
92 | 27 |
93 // MediaStreamDispatcherEventHandler implementation. | |
94 virtual void OnStreamGenerated( | |
95 int request_id, | |
96 const std::string& label, | |
97 const media_stream::StreamDeviceInfoArray& audio_array, | |
98 const media_stream::StreamDeviceInfoArray& video_array) OVERRIDE; | |
99 virtual void OnStreamGenerationFailed(int request_id) OVERRIDE; | |
100 virtual void OnVideoDeviceFailed( | |
101 const std::string& label, | |
102 int index) OVERRIDE; | |
103 virtual void OnAudioDeviceFailed( | |
104 const std::string& label, | |
105 int index) OVERRIDE; | |
106 | |
107 private: | 28 private: |
108 FRIEND_TEST_ALL_PREFIXES(MediaStreamImplTest, Basic); | |
109 | |
110 void InitializeWorkerThread( | |
111 talk_base::Thread** thread, | |
112 base::WaitableEvent* event); | |
113 void DeleteIpcNetworkManager(); | |
114 | |
115 scoped_ptr<MediaStreamDependencyFactory> dependency_factory_; | |
116 | |
117 // media_stream_dispatcher_ is a weak reference, owned by RenderView. It's | |
118 // valid for the lifetime of RenderView. | |
119 MediaStreamDispatcher* media_stream_dispatcher_; | |
120 | |
121 // media_engine_ is owned by PeerConnectionFactory (which is owned by | |
122 // dependency_factory_) and is valid for the lifetime of | |
123 // PeerConnectionFactory. | |
124 cricket::WebRtcMediaEngine* media_engine_; | |
125 | |
126 // p2p_socket_dispatcher_ is a weak reference, owned by RenderView. It's valid | |
127 // for the lifetime of RenderView. | |
128 content::P2PSocketDispatcher* p2p_socket_dispatcher_; | |
129 | |
130 // We own network_manager_, must be deleted on the worker thread. | |
131 content::IpcNetworkManager* network_manager_; | |
132 | |
133 scoped_ptr<content::IpcPacketSocketFactory> socket_factory_; | |
134 | |
135 scoped_refptr<VideoCaptureImplManager> vc_manager_; | 29 scoped_refptr<VideoCaptureImplManager> vc_manager_; |
136 | 30 |
137 // peer_connection_handler_ is a weak reference, owned by WebKit. It's valid | |
138 // until stop is called on it (which will call ClosePeerConnection on us). | |
139 // TODO(grunell): Support several PeerConnectionsHandlers. | |
140 PeerConnectionHandler* peer_connection_handler_; | |
141 | |
142 scoped_refptr<RTCVideoDecoder> rtc_video_decoder_; | |
143 scoped_refptr<base::MessageLoopProxy> message_loop_proxy_; | |
144 | |
145 // PeerConnection threads. signaling_thread_ is created from the | |
146 // "current" chrome thread. | |
147 talk_base::Thread* signaling_thread_; | |
148 talk_base::Thread* worker_thread_; | |
149 base::Thread chrome_worker_thread_; | |
150 | |
151 static int next_request_id_; | |
152 typedef std::map<int, WebKit::WebUserMediaRequest> MediaRequestMap; | |
153 MediaRequestMap user_media_requests_; | |
154 | |
155 std::list<std::string> stream_labels_; | |
156 | |
157 // Make sure we only create the video capture module once. This is also | |
158 // temporary and will be handled differently when several PeerConnections | |
159 // and/or streams is supported. | |
160 // TODO(grunell): This shall be removed or changed when native PeerConnection | |
161 // has been updated to closer follow the specification. | |
162 bool vcm_created_; | |
163 | |
164 DISALLOW_COPY_AND_ASSIGN(MediaStreamImpl); | 31 DISALLOW_COPY_AND_ASSIGN(MediaStreamImpl); |
165 }; | 32 }; |
166 | 33 |
167 #endif // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_IMPL_H_ | 34 #endif // CONTENT_RENDERER_MEDIA_STREAM_MEDIA_STREAM_IMPL_H_ |
OLD | NEW |