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

149 lines
4.2 KiB
C++

// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include "AudioCommon.h"
#include "FileUtil.h"
#include "Mixer.h"
#include "NullSoundStream.h"
#include "DSoundStream.h"
#include "XAudio2Stream.h"
#include "AOSoundStream.h"
#include "AlsaSoundStream.h"
#include "CoreAudioSoundStream.h"
#include "OpenALStream.h"
#include "PulseAudioStream.h"
#include "OpenSLESStream.h"
#include "../../Core/Src/Movie.h"
#include "../../Core/Src/ConfigManager.h"
// This shouldn't be a global, at least not here.
SoundStream *soundStream;
namespace AudioCommon
{
SoundStream *InitSoundStream(CMixer *mixer, void *hWnd)
{
// TODO: possible memleak with mixer
std::string backend = SConfig::GetInstance().sBackend;
if (backend == BACKEND_OPENAL && OpenALStream::isValid())
soundStream = new OpenALStream(mixer);
else if (backend == BACKEND_NULLSOUND && NullSound::isValid())
soundStream = new NullSound(mixer, hWnd);
else if (backend == BACKEND_DIRECTSOUND && DSound::isValid())
soundStream = new DSound(mixer, hWnd);
else if (backend == BACKEND_XAUDIO2 && XAudio2::isValid())
soundStream = new XAudio2(mixer);
else if (backend == BACKEND_AOSOUND && AOSound::isValid())
soundStream = new AOSound(mixer);
else if (backend == BACKEND_ALSA && AlsaSound::isValid())
soundStream = new AlsaSound(mixer);
else if (backend == BACKEND_COREAUDIO && CoreAudioSound::isValid())
soundStream = new CoreAudioSound(mixer);
else if (backend == BACKEND_PULSEAUDIO && PulseAudio::isValid())
soundStream = new PulseAudio(mixer);
else if (backend == BACKEND_OPENSLES && OpenSLESStream::isValid())
soundStream = new OpenSLESStream(mixer);
if (soundStream != NULL)
{
UpdateSoundStream();
if (soundStream->Start())
{
if (SConfig::GetInstance().m_DumpAudio)
{
std::string audio_file_name = File::GetUserPath(D_DUMPAUDIO_IDX) + "audiodump.wav";
File::CreateFullPath(audio_file_name);
mixer->StartLogAudio(audio_file_name.c_str());
}
return soundStream;
}
PanicAlertT("Could not initialize backend %s.", backend.c_str());
}
PanicAlertT("Sound backend %s is not valid.", backend.c_str());
delete soundStream;
soundStream = NULL;
return NULL;
}
void ShutdownSoundStream()
{
INFO_LOG(DSPHLE, "Shutting down sound stream");
if (soundStream)
{
soundStream->Stop();
if (SConfig::GetInstance().m_DumpAudio)
soundStream->GetMixer()->StopLogAudio();
//soundStream->StopLogAudio();
delete soundStream;
soundStream = NULL;
}
INFO_LOG(DSPHLE, "Done shutting down sound stream");
}
std::vector<std::string> GetSoundBackends()
{
std::vector<std::string> backends;
if (NullSound::isValid())
backends.push_back(BACKEND_NULLSOUND);
if (DSound::isValid())
backends.push_back(BACKEND_DIRECTSOUND);
if (XAudio2::isValid())
backends.push_back(BACKEND_XAUDIO2);
if (AOSound::isValid())
backends.push_back(BACKEND_AOSOUND);
if (AlsaSound::isValid())
backends.push_back(BACKEND_ALSA);
if (CoreAudioSound::isValid())
backends.push_back(BACKEND_COREAUDIO);
if (PulseAudio::isValid())
backends.push_back(BACKEND_PULSEAUDIO);
if (OpenALStream::isValid())
backends.push_back(BACKEND_OPENAL);
if (OpenSLESStream::isValid())
backends.push_back(BACKEND_OPENSLES);
return backends;
}
bool UseJIT()
{
if (!Movie::IsDSPHLE() && Movie::IsPlayingInput() && Movie::IsConfigSaved())
{
return true;
}
return SConfig::GetInstance().m_EnableJIT;
}
void PauseAndLock(bool doLock, bool unpauseOnUnlock)
{
if (soundStream)
{
// audio typically doesn't maintain its own "paused" state
// (that's already handled by the CPU and whatever else being paused)
// so it should be good enough to only lock/unlock here.
CMixer* pMixer = soundStream->GetMixer();
if (pMixer)
{
std::mutex& csMixing = pMixer->MixerCritical();
if (doLock)
csMixing.lock();
else
csMixing.unlock();
}
}
}
void UpdateSoundStream()
{
if (soundStream)
{
soundStream->GetMixer()->SetThrottle(SConfig::GetInstance().m_Framelimit == 2);
soundStream->SetVolume(SConfig::GetInstance().m_Volume);
}
}
}