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 "AOSoundStream.h"
#include "DSoundStream.h"
#include "NullSoundStream.h"
#include "OpenALStream.h"
namespace AudioCommon
{
SoundStream *InitSoundStream(std::string backend, CMixer *mixer) {
if (!mixer) {
mixer = new CMixer();
}
if (backend == "DSound") {
if (DSound::isValid())
soundStream = new DSound(mixer, g_dspInitialize.hWnd);
}
else if (backend == "AOSound") {
if (AOSound::isValid())
soundStream = new AOSound(mixer);
}
else if (backend == "OpenAL") {
if (OpenALStream::isValid())
soundStream = new OpenALStream(mixer);
}
else if (backend == "NullSound") {
soundStream = new NullSound(mixer);
}
else {
PanicAlert("Cannot recognize backend %s", backend.c_str());
return NULL;
}
if (soundStream) {
if (!soundStream->Start()) {
PanicAlert("Could not initialize backend %s, falling back to NULL",
backend.c_str());
delete soundStream;
soundStream = new NullSound(mixer);
soundStream->Start();
}
}
else {
PanicAlert("Sound backend %s is not valid, falling back to NULL",
backend.c_str());
delete soundStream;
soundStream = new NullSound(mixer);
soundStream->Start();
}
return soundStream;
}
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;
// Add avaliable output options
if (DSound::isValid())
backends.push_back("DSound");
if (AOSound::isValid())
backends.push_back("AOSound");
if (OpenALStream::isValid())
backends.push_back("OpenAL");
backends.push_back("NullSound");
return backends;
}
} // Namespace