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Side by Side Diff: content/renderer/media/media_stream_impl.h

Issue 8060055: Adding support for MediaStream and PeerConnection functionality (Closed) Base URL: http://git.chromium.org/chromium/chromium.git@trunk
Patch Set: Code revies fixes. Created 9 years, 1 month ago
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1 // Copyright (c) 2011 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_STREAM_MEDIA_STREAM_IMPL_H_ 5 #ifndef CONTENT_RENDERER_MEDIA_MEDIA_STREAM_IMPL_H_
6 #define CONTENT_RENDERER_MEDIA_STREAM_MEDIA_STREAM_IMPL_H_ 6 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_IMPL_H_
7
8 #include <string>
7 9
8 #include "base/basictypes.h" 10 #include "base/basictypes.h"
11 #include "base/gtest_prod_util.h"
9 #include "base/memory/ref_counted.h" 12 #include "base/memory/ref_counted.h"
13 #include "base/memory/scoped_ptr.h"
14 #include "base/message_loop_proxy.h"
15 #include "base/threading/thread.h"
16 #include "content/renderer/media/media_stream_dispatcher_eventhandler.h"
10 #include "webkit/glue/media/media_stream_client.h" 17 #include "webkit/glue/media/media_stream_client.h"
11 18
19 namespace base {
20 class WaitableEvent;
21 }
22
23 namespace content {
24 class IpcNetworkManager;
25 class IpcPacketSocketFactory;
26 class P2PSocketDispatcher;
27 }
28
29 namespace cricket {
30 class HttpPortAllocator;
31 class WebRtcMediaEngine;
32 }
33
34 namespace talk_base {
35 class Thread;
36 }
37
38 namespace WebKit {
39 class WebPeerConnectionHandler;
40 class WebPeerConnectionHandlerClient;
41 }
42
43 class MediaStreamDispatcher;
44 class MediaStreamDependencyFactory;
45 class PeerConnectionHandler;
12 class VideoCaptureImplManager; 46 class VideoCaptureImplManager;
47 class RTCVideoDecoder;
13 48
14 // A implementation of StreamClient to provide supporting functions, such as 49 // MediaStreamImpl is a delegate for the Media Stream API messages used by
15 // GetVideoDecoder. 50 // WebKit. It ties together WebKit, native PeerConnection in libjingle and
51 // MediaStreamManager (via MediaStreamDispatcher and MediaStreamDispatcherHost)
52 // in the browser process.
16 class MediaStreamImpl 53 class MediaStreamImpl
17 : public webkit_glue::MediaStreamClient, 54 : public webkit_glue::MediaStreamClient,
55 public MediaStreamDispatcherEventHandler,
18 public base::RefCountedThreadSafe<MediaStreamImpl> { 56 public base::RefCountedThreadSafe<MediaStreamImpl> {
19 public: 57 public:
20 explicit MediaStreamImpl(VideoCaptureImplManager* vc_manager); 58 MediaStreamImpl(
59 MediaStreamDispatcher* media_stream_dispatcher,
60 content::P2PSocketDispatcher* p2p_socket_dispatcher,
61 VideoCaptureImplManager* vc_manager,
62 MediaStreamDependencyFactory* dependency_factory);
21 virtual ~MediaStreamImpl(); 63 virtual ~MediaStreamImpl();
22 64
23 // Implement webkit_glue::StreamClient. 65 virtual WebKit::WebPeerConnectionHandler* CreatePeerConnectionHandler(
66 WebKit::WebPeerConnectionHandlerClient* client);
67 virtual void ClosePeerConnection();
68 // Returns true if created successfully or already exists, false otherwise.
69 virtual bool SetVideoCaptureModule(const std::string& label);
70
71 // Implement webkit_glue::MediaStreamClient.
24 virtual scoped_refptr<media::VideoDecoder> GetVideoDecoder( 72 virtual scoped_refptr<media::VideoDecoder> GetVideoDecoder(
25 const GURL& url, media::MessageLoopFactory* message_loop_factory); 73 const GURL& url,
74 media::MessageLoopFactory* message_loop_factory) OVERRIDE;
75
76 // Implement MediaStreamDispatcherEventHandler.
77 virtual void OnStreamGenerated(
78 int request_id,
79 const std::string& label,
80 const media_stream::StreamDeviceInfoArray& audio_array,
81 const media_stream::StreamDeviceInfoArray& video_array) OVERRIDE;
82 virtual void OnStreamGenerationFailed(int request_id) OVERRIDE;
83 virtual void OnVideoDeviceFailed(
84 const std::string& label,
85 int index) OVERRIDE;
86 virtual void OnAudioDeviceFailed(
87 const std::string& label,
88 int index) OVERRIDE;
26 89
27 private: 90 private:
91 FRIEND_TEST(MediaStreamImplTest, Basic);
92
93 void InitializeWorkerThread(
94 talk_base::Thread** thread,
95 base::WaitableEvent* event);
96
97 // dependency_factory_ is owned by us.
98 scoped_ptr<MediaStreamDependencyFactory> dependency_factory_;
99
100 // media_stream_dispatcher_ is a weak reference, owned by RenderView. It's
101 // valid for the lifetime of RenderView.
102 MediaStreamDispatcher* media_stream_dispatcher_;
103
104 // The media_engine_ is owned by pc_factory_ and is valid for the lifetime of
105 // pc_factory_.
106 cricket::WebRtcMediaEngine* media_engine_;
107
108 // p2p_socket_dispatcher_ is a weak reference, owned by RenderView. It's valid
109 // for the lifetime of RenderView.
110 content::P2PSocketDispatcher* p2p_socket_dispatcher_;
111
28 scoped_refptr<VideoCaptureImplManager> vc_manager_; 112 scoped_refptr<VideoCaptureImplManager> vc_manager_;
113 scoped_ptr<content::IpcNetworkManager> ipc_network_manager_;
114 scoped_ptr<content::IpcPacketSocketFactory> ipc_socket_factory_;
115
116 // peer_connection_handler_ is owned by us.
117 // TODO(grunell): Support several PeerConnectionsHandlers.
118 scoped_ptr<PeerConnectionHandler> peer_connection_handler_;
119
120 scoped_refptr<RTCVideoDecoder> rtc_video_decoder_;
121 scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
122
123 // PeerConnection threads. signaling_thread_ is created from the
124 // "current" chrome thread.
125 talk_base::Thread* signaling_thread_;
126 talk_base::Thread* worker_thread_;
127 base::Thread chrome_worker_thread_;
128
129 // Make sure we only create the video capture module once. This is also
130 // temporary and will be handled differently when several PeerConnections
131 // and/or streams is supported.
132 // TODO(grunell): This shall be removed or changed when native PeerConnection
133 // has been updated to closer follow the specification.
134 bool vcm_created_;
29 135
30 DISALLOW_COPY_AND_ASSIGN(MediaStreamImpl); 136 DISALLOW_COPY_AND_ASSIGN(MediaStreamImpl);
31 }; 137 };
32 138
33 #endif // CONTENT_RENDERER_MEDIA_STREAM_MEDIA_STREAM_IMPL_H_ 139 #endif // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_IMPL_H_
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