dolphin/Source/Core/AudioCommon/Src/AudioCommon.cpp

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// Copyright (C) 2003-2009 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "AudioCommon.h"
#include "Mixer.h"
#include "DSoundStream.h"
#include "AOSoundStream.h"
#include "NullSoundStream.h"
#include "OpenALStream.h"
namespace AudioCommon
{
SoundStream *InitSoundStream(std::string backend, CMixer *mixer)
{
if (!mixer)
mixer = new CMixer();
if (backend == BACKEND_DIRECTSOUND && DSound::isValid()) soundStream = new DSound(mixer, g_dspInitialize.hWnd);
if (backend == BACKEND_AOSOUND && AOSound::isValid()) soundStream = new AOSound(mixer);
if (backend == BACKEND_OPENAL && OpenALStream::isValid()) soundStream = new OpenALStream(mixer);
if (backend == BACKEND_NULL && NullSound::isValid()) soundStream = new NullSound(mixer);
if (soundStream != NULL) {
if (soundStream->Start())
return soundStream;
PanicAlert("Could not initialize backend %s, falling back to NULL", backend.c_str());
}
PanicAlert("Sound backend %s is not valid, falling back to NULL", backend.c_str());
delete soundStream;
soundStream = new NullSound(mixer);
soundStream->Start();
return NULL;
}
void ShutdownSoundStream()
{
NOTICE_LOG(DSPHLE, "Shutting down sound stream");
if (soundStream)
{
soundStream->Stop();
soundStream->StopLogAudio();
delete soundStream;
soundStream = NULL;
}
// Check that soundstream already is stopped.
while (soundStream)
{
ERROR_LOG(DSPHLE, "Waiting for sound stream");
Common::SleepCurrentThread(2000);
}
INFO_LOG(DSPHLE, "Done shutting down sound stream");
}
std::vector<std::string> GetSoundBackends()
{
std::vector<std::string> backends;
if (DSound::isValid()) backends.push_back(BACKEND_DIRECTSOUND);
if (DSound::isValid()) backends.push_back(BACKEND_AOSOUND);
if (DSound::isValid()) backends.push_back(BACKEND_OPENAL);
if (DSound::isValid()) backends.push_back(BACKEND_NULL);
return backends;
}
}