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1 /* | |
2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #ifndef WEBRTC_SOUND_SOUNDSYSTEMPROXY_H_ | |
12 #define WEBRTC_SOUND_SOUNDSYSTEMPROXY_H_ | |
13 | |
14 #include "webrtc/sound/soundsysteminterface.h" | |
15 #include "webrtc/base/basictypes.h" // for NULL | |
16 | |
17 namespace rtc { | |
18 | |
19 // A SoundSystemProxy is a sound system that defers to another one. | |
20 // Init(), Terminate(), and GetName() are left as pure virtual, so a sub-class | |
21 // must define them. | |
22 class SoundSystemProxy : public SoundSystemInterface { | |
23 public: | |
24 SoundSystemProxy() : wrapped_(NULL) {} | |
25 | |
26 // Each of these methods simply defers to wrapped_ if non-NULL, else fails. | |
27 | |
28 bool EnumeratePlaybackDevices(SoundDeviceLocatorList *devices) override; | |
29 bool EnumerateCaptureDevices(SoundDeviceLocatorList *devices) override; | |
30 | |
31 bool GetDefaultPlaybackDevice(SoundDeviceLocator **device) override; | |
32 bool GetDefaultCaptureDevice(SoundDeviceLocator **device) override; | |
33 | |
34 SoundOutputStreamInterface *OpenPlaybackDevice( | |
35 const SoundDeviceLocator *device, | |
36 const OpenParams ¶ms) override; | |
37 SoundInputStreamInterface *OpenCaptureDevice( | |
38 const SoundDeviceLocator *device, | |
39 const OpenParams ¶ms) override; | |
40 | |
41 protected: | |
42 SoundSystemInterface *wrapped_; | |
43 }; | |
44 | |
45 } // namespace rtc | |
46 | |
47 #endif // WEBRTC_SOUND_SOUNDSYSTEMPROXY_H_ | |
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