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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_AUDIO_DEVICE_FACTORY_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_AUDIO_DEVICE_FACTORY_H_ |
6 #define CONTENT_RENDERER_MEDIA_AUDIO_DEVICE_FACTORY_H_ | 6 #define CONTENT_RENDERER_MEDIA_AUDIO_DEVICE_FACTORY_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "content/common/content_export.h" | 9 #include "content/common/content_export.h" |
10 | 10 |
11 namespace media { | 11 namespace media { |
12 class AudioInputDevice; | 12 class AudioInputDevice; |
13 class AudioRendererSink; | 13 class AudioRendererSink; |
14 } | 14 } |
15 | 15 |
16 namespace content { | 16 namespace content { |
17 | 17 |
18 // A factory for creating AudioRendererSinks. There is a global factory | 18 // A factory for creating AudioRendererSinks. There is a global factory |
19 // function that can be installed for the purposes of testing to provide | 19 // function that can be installed for the purposes of testing to provide |
20 // a specialized AudioRendererSink class. | 20 // a specialized AudioRendererSink class. |
21 class CONTENT_EXPORT AudioDeviceFactory { | 21 class CONTENT_EXPORT AudioDeviceFactory { |
22 public: | 22 public: |
23 // Creates an AudioRendererSink using the currently registered factory, | 23 // Creates an AudioRendererSink using the currently registered factory, |
24 // or the default one if no factory is registered. Ownership of the returned | 24 // or the default one if no factory is registered. Ownership of the returned |
25 // pointer will be passed to the caller. | 25 // pointer will be passed to the caller. |
26 static media::AudioRendererSink* NewOutputDevice(); | 26 static media::AudioRendererSink* NewOutputDevice( |
| 27 int render_view_id); |
27 | 28 |
28 // TODO(henrika): Update AudioInputDevice to inherit from an interface | 29 // TODO(henrika): Update AudioInputDevice to inherit from an interface |
29 // similar to AudioRendererSink, but for input. Same for the callback | 30 // similar to AudioRendererSink, but for input. Same for the callback |
30 // interfaces. | 31 // interfaces. |
31 static media::AudioInputDevice* NewInputDevice(); | 32 static media::AudioInputDevice* NewInputDevice(); |
32 | 33 |
33 protected: | 34 protected: |
34 AudioDeviceFactory(); | 35 AudioDeviceFactory(); |
35 virtual ~AudioDeviceFactory(); | 36 virtual ~AudioDeviceFactory(); |
36 | 37 |
37 // You can derive from this class and specify an implementation for these | 38 // You can derive from this class and specify an implementation for these |
38 // functions to provide alternate audio device implementations. | 39 // functions to provide alternate audio device implementations. |
39 // If the return value of either of these function is NULL, we fall back | 40 // If the return value of either of these function is NULL, we fall back |
40 // on the default implementation. | 41 // on the default implementation. |
41 virtual media::AudioRendererSink* CreateOutputDevice() = 0; | 42 virtual media::AudioRendererSink* CreateOutputDevice(int render_view_id) = 0; |
42 virtual media::AudioInputDevice* CreateInputDevice() = 0; | 43 virtual media::AudioInputDevice* CreateInputDevice() = 0; |
43 | 44 |
44 private: | 45 private: |
45 // The current globally registered factory. This is NULL when we should | 46 // The current globally registered factory. This is NULL when we should |
46 // create the default AudioRendererSinks. | 47 // create the default AudioRendererSinks. |
47 static AudioDeviceFactory* factory_; | 48 static AudioDeviceFactory* factory_; |
48 | 49 |
49 DISALLOW_COPY_AND_ASSIGN(AudioDeviceFactory); | 50 DISALLOW_COPY_AND_ASSIGN(AudioDeviceFactory); |
50 }; | 51 }; |
51 | 52 |
52 } // namespace content | 53 } // namespace content |
53 | 54 |
54 #endif // CONTENT_RENDERER_MEDIA_AUDIO_DEVICE_FACTORY_H_ | 55 #endif // CONTENT_RENDERER_MEDIA_AUDIO_DEVICE_FACTORY_H_ |
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