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28 #ifndef TALK_SOUND_SOUNDSYSTEMPROXY_H_
29 #define TALK_SOUND_SOUNDSYSTEMPROXY_H_
31 #include "talk/sound/soundsysteminterface.h"
32 #include "webrtc/base/basictypes.h" // for NULL
36 // A SoundSystemProxy is a sound system that defers to another one.
37 // Init(), Terminate(), and GetName() are left as pure virtual, so a sub-class
39 class SoundSystemProxy : public SoundSystemInterface {
41 SoundSystemProxy() : wrapped_(NULL) {}
43 // Each of these methods simply defers to wrapped_ if non-NULL, else fails.
45 virtual bool EnumeratePlaybackDevices(SoundDeviceLocatorList *devices);
46 virtual bool EnumerateCaptureDevices(SoundDeviceLocatorList *devices);
48 virtual bool GetDefaultPlaybackDevice(SoundDeviceLocator **device);
49 virtual bool GetDefaultCaptureDevice(SoundDeviceLocator **device);
51 virtual SoundOutputStreamInterface *OpenPlaybackDevice(
52 const SoundDeviceLocator *device,
53 const OpenParams ¶ms);
54 virtual SoundInputStreamInterface *OpenCaptureDevice(
55 const SoundDeviceLocator *device,
56 const OpenParams ¶ms);
59 SoundSystemInterface *wrapped_;
62 } // namespace cricket
64 #endif // TALK_SOUND_SOUNDSYSTEMPROXY_H_