28e2075280
trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
65 lines
2.6 KiB
C++
65 lines
2.6 KiB
C++
/*
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* libjingle
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* Copyright 2004--2010, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TALK_SOUND_SOUNDSYSTEMPROXY_H_
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#define TALK_SOUND_SOUNDSYSTEMPROXY_H_
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#include "talk/base/basictypes.h" // for NULL
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#include "talk/sound/soundsysteminterface.h"
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namespace cricket {
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// A SoundSystemProxy is a sound system that defers to another one.
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// Init(), Terminate(), and GetName() are left as pure virtual, so a sub-class
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// must define them.
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class SoundSystemProxy : public SoundSystemInterface {
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public:
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SoundSystemProxy() : wrapped_(NULL) {}
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// Each of these methods simply defers to wrapped_ if non-NULL, else fails.
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virtual bool EnumeratePlaybackDevices(SoundDeviceLocatorList *devices);
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virtual bool EnumerateCaptureDevices(SoundDeviceLocatorList *devices);
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virtual bool GetDefaultPlaybackDevice(SoundDeviceLocator **device);
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virtual bool GetDefaultCaptureDevice(SoundDeviceLocator **device);
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virtual SoundOutputStreamInterface *OpenPlaybackDevice(
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const SoundDeviceLocator *device,
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const OpenParams ¶ms);
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virtual SoundInputStreamInterface *OpenCaptureDevice(
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const SoundDeviceLocator *device,
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const OpenParams ¶ms);
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protected:
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SoundSystemInterface *wrapped_;
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};
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} // namespace cricket
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#endif // TALK_SOUND_SOUNDSYSTEMPROXY_H_
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