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

Issue 367923004: Turn audio ducking on by default on Windows again. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase, update tests, logging and documentation Created 6 years, 5 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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_DISPATCHER_H_ 5 #ifndef CONTENT_RENDERER_MEDIA_MEDIA_STREAM_DISPATCHER_H_
6 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_DISPATCHER_H_ 6 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_DISPATCHER_H_
7 7
8 #include <list> 8 #include <list>
9 #include <map> 9 #include <map>
10 #include <string> 10 #include <string>
(...skipping 77 matching lines...) Expand 10 before | Expand all | Expand 10 after
88 void CloseDevice(const std::string& label); 88 void CloseDevice(const std::string& label);
89 89
90 // Check if the label is a valid stream. 90 // Check if the label is a valid stream.
91 virtual bool IsStream(const std::string& label); 91 virtual bool IsStream(const std::string& label);
92 // Get the video session_id given a label. The label identifies a stream. 92 // Get the video session_id given a label. The label identifies a stream.
93 // index is the index in the video_device_array of the stream. 93 // index is the index in the video_device_array of the stream.
94 virtual int video_session_id(const std::string& label, int index); 94 virtual int video_session_id(const std::string& label, int index);
95 // Returns an audio session_id given a label and an index. 95 // Returns an audio session_id given a label and an index.
96 virtual int audio_session_id(const std::string& label, int index); 96 virtual int audio_session_id(const std::string& label, int index);
97 97
98 // Returns true if an audio input stream is currently active that was opened
99 // with audio ducking enabled. This is information is used when playing out
100 // audio so that rendered audio can be excluded from the ducking operation.
101 bool IsAudioDuckingActive() const;
102
98 protected: 103 protected:
99 int GetNextIpcIdForTest() { return next_ipc_id_; } 104 int GetNextIpcIdForTest() { return next_ipc_id_; }
100 105
101 private: 106 private:
102 FRIEND_TEST_ALL_PREFIXES(MediaStreamDispatcherTest, BasicVideoDevice); 107 FRIEND_TEST_ALL_PREFIXES(MediaStreamDispatcherTest, BasicVideoDevice);
103 FRIEND_TEST_ALL_PREFIXES(MediaStreamDispatcherTest, TestFailure); 108 FRIEND_TEST_ALL_PREFIXES(MediaStreamDispatcherTest, TestFailure);
104 FRIEND_TEST_ALL_PREFIXES(MediaStreamDispatcherTest, CancelGenerateStream); 109 FRIEND_TEST_ALL_PREFIXES(MediaStreamDispatcherTest, CancelGenerateStream);
110 FRIEND_TEST_ALL_PREFIXES(MediaStreamDispatcherTest, CheckDuckingState);
105 111
106 struct Request; 112 struct Request;
107 113
108 // Private class for keeping track of opened devices and who have 114 // Private class for keeping track of opened devices and who have
109 // opened it. 115 // opened it.
110 struct Stream; 116 struct Stream;
111 117
112 // RenderViewObserver OVERRIDE. 118 // RenderViewObserver OVERRIDE.
113 virtual bool Send(IPC::Message* message) OVERRIDE; 119 virtual bool Send(IPC::Message* message) OVERRIDE;
114 120
(...skipping 29 matching lines...) Expand all
144 // been canceled. 150 // been canceled.
145 typedef std::list<Request> RequestList; 151 typedef std::list<Request> RequestList;
146 RequestList requests_; 152 RequestList requests_;
147 153
148 DISALLOW_COPY_AND_ASSIGN(MediaStreamDispatcher); 154 DISALLOW_COPY_AND_ASSIGN(MediaStreamDispatcher);
149 }; 155 };
150 156
151 } // namespace content 157 } // namespace content
152 158
153 #endif // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_DISPATCHER_H_ 159 #endif // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_DISPATCHER_H_
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