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Diffstat (limited to 'sound/automaticallychosensoundsystem.h')
-rw-r--r-- | sound/automaticallychosensoundsystem.h | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/sound/automaticallychosensoundsystem.h b/sound/automaticallychosensoundsystem.h deleted file mode 100644 index 10ea0df..0000000 --- a/sound/automaticallychosensoundsystem.h +++ /dev/null @@ -1,105 +0,0 @@ -/* - * libjingle - * Copyright 2004--2010, Google Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO - * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; - * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR - * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF - * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef TALK_SOUND_AUTOMATICALLYCHOSENSOUNDSYSTEM_H_ -#define TALK_SOUND_AUTOMATICALLYCHOSENSOUNDSYSTEM_H_ - -#include "talk/sound/soundsysteminterface.h" -#include "talk/sound/soundsystemproxy.h" -#include "webrtc/base/common.h" -#include "webrtc/base/logging.h" -#include "webrtc/base/scoped_ptr.h" - -namespace cricket { - -// A function type that creates an instance of a sound system implementation. -typedef SoundSystemInterface *(*SoundSystemCreator)(); - -// An AutomaticallyChosenSoundSystem is a sound system proxy that defers to -// an instance of the first sound system implementation in a list that -// successfully initializes. -template <const SoundSystemCreator kSoundSystemCreators[], int kNumSoundSystems> -class AutomaticallyChosenSoundSystem : public SoundSystemProxy { - public: - // Chooses and initializes the underlying sound system. - virtual bool Init(); - // Terminates the underlying sound system implementation, but caches it for - // future re-use. - virtual void Terminate(); - - virtual const char *GetName() const; - - private: - rtc::scoped_ptr<SoundSystemInterface> sound_systems_[kNumSoundSystems]; -}; - -template <const SoundSystemCreator kSoundSystemCreators[], int kNumSoundSystems> -bool AutomaticallyChosenSoundSystem<kSoundSystemCreators, - kNumSoundSystems>::Init() { - if (wrapped_) { - return true; - } - for (int i = 0; i < kNumSoundSystems; ++i) { - if (!sound_systems_[i].get()) { - sound_systems_[i].reset((*kSoundSystemCreators[i])()); - } - if (sound_systems_[i]->Init()) { - // This is the first sound system in the list to successfully - // initialize, so we're done. - wrapped_ = sound_systems_[i].get(); - break; - } - // Else it failed to initialize, so try the remaining ones. - } - if (!wrapped_) { - LOG(LS_ERROR) << "Failed to find a usable sound system"; - return false; - } - LOG(LS_INFO) << "Selected " << wrapped_->GetName() << " sound system"; - return true; -} - -template <const SoundSystemCreator kSoundSystemCreators[], int kNumSoundSystems> -void AutomaticallyChosenSoundSystem<kSoundSystemCreators, - kNumSoundSystems>::Terminate() { - if (!wrapped_) { - return; - } - wrapped_->Terminate(); - wrapped_ = NULL; - // We do not free the scoped_ptrs because we may be re-init'ed soon. -} - -template <const SoundSystemCreator kSoundSystemCreators[], int kNumSoundSystems> -const char *AutomaticallyChosenSoundSystem<kSoundSystemCreators, - kNumSoundSystems>::GetName() const { - return wrapped_ ? wrapped_->GetName() : "automatic"; -} - -} // namespace cricket - -#endif // TALK_SOUND_AUTOMATICALLYCHOSENSOUNDSYSTEM_H_ |