SoundStream* InitSoundStream()
{
CMixer *mixer = new CMixer(48000);
// 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);
else if (backend == BACKEND_XAUDIO2)
{
if (XAudio2::isValid())
soundStream = new XAudio2(mixer);
else if (XAudio2_7::isValid())
soundStream = new XAudio2_7(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 && NullSound::isValid())
{
WARN_LOG(DSPHLE, "Could not initialize backend %s, using %s instead.",
backend.c_str(), BACKEND_NULLSOUND);
soundStream = new NullSound(mixer);
}
if (soundStream)
{
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);
}
return soundStream;
}
PanicAlertT("Could not initialize backend %s.", backend.c_str());
}
PanicAlertT("Sound backend %s is not valid.", backend.c_str());
delete soundStream;
soundStream = nullptr;
return nullptr;
}
void SendAIBuffer(short *samples, unsigned int num_samples)
{
if (!soundStream)
return;
CMixer* pMixer = soundStream->GetMixer();
if (pMixer && samples)
{
pMixer->PushSamples(samples, num_samples);
}
soundStream->Update();
}
void DSPLLE::DSP_SendAIBuffer(unsigned int address, unsigned int num_samples)
{
if (!soundStream)
return;
CMixer *pMixer = soundStream->GetMixer();
if (pMixer && address)
{
address &= (address & 0x10000000) ? 0x13ffffff : 0x01ffffff;
const short *samples = (const short *)&g_dsp.cpu_ram[address];
pMixer->PushSamples(samples, num_samples);
}
soundStream->Update();
}
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 SendAIBuffer(short *samples, unsigned int num_samples)
{
if (!g_sound_stream)
return;
if (SConfig::GetInstance().m_DumpAudio && !s_audio_dump_start)
StartAudioDump();
else if (!SConfig::GetInstance().m_DumpAudio && s_audio_dump_start)
StopAudioDump();
CMixer* pMixer = g_sound_stream->GetMixer();
if (pMixer && samples)
{
pMixer->PushSamples(samples, num_samples);
}
g_sound_stream->Update();
}
void UpdateTitle()
{
u32 ElapseTime = (u32)s_timer.GetTimeDifference();
s_request_refresh_info = false;
SCoreStartupParameter& _CoreParameter = SConfig::GetInstance().m_LocalCoreStartupParameter;
if (ElapseTime == 0)
ElapseTime = 1;
float FPS = (float) (Common::AtomicLoad(s_drawn_frame) * 1000.0 / ElapseTime);
float VPS = (float) (s_drawn_video * 1000.0 / ElapseTime);
float Speed = (float) (s_drawn_video * (100 * 1000.0) / (VideoInterface::TargetRefreshRate * ElapseTime));
// Settings are shown the same for both extended and summary info
std::string SSettings = StringFromFormat("%s %s | %s | %s", cpu_core_base->GetName(), _CoreParameter.bCPUThread ? "DC" : "SC",
g_video_backend->GetDisplayName().c_str(), _CoreParameter.bDSPHLE ? "HLE" : "LLE");
std::string SFPS;
if (Movie::IsPlayingInput())
SFPS = StringFromFormat("VI: %u/%u - Input: %u/%u - FPS: %.0f - VPS: %.0f - %.0f%%", (u32)Movie::g_currentFrame, (u32)Movie::g_totalFrames, (u32)Movie::g_currentInputCount, (u32)Movie::g_totalInputCount, FPS, VPS, Speed);
else if (Movie::IsRecordingInput())
SFPS = StringFromFormat("VI: %u - Input: %u - FPS: %.0f - VPS: %.0f - %.0f%%", (u32)Movie::g_currentFrame, (u32)Movie::g_currentInputCount, FPS, VPS, Speed);
else
{
SFPS = StringFromFormat("FPS: %.0f - VPS: %.0f - %.0f%%", FPS, VPS, Speed);
if (SConfig::GetInstance().m_InterfaceExtendedFPSInfo)
{
// Use extended or summary information. The summary information does not print the ticks data,
// that's more of a debugging interest, it can always be optional of course if someone is interested.
static u64 ticks = 0;
static u64 idleTicks = 0;
u64 newTicks = CoreTiming::GetTicks();
u64 newIdleTicks = CoreTiming::GetIdleTicks();
u64 diff = (newTicks - ticks) / 1000000;
u64 idleDiff = (newIdleTicks - idleTicks) / 1000000;
ticks = newTicks;
idleTicks = newIdleTicks;
float TicksPercentage = (float)diff / (float)(SystemTimers::GetTicksPerSecond() / 1000000) * 100;
SFPS += StringFromFormat(" | CPU: %s%i MHz [Real: %i + IdleSkip: %i] / %i MHz (%s%3.0f%%)",
_CoreParameter.bSkipIdle ? "~" : "",
(int)(diff),
(int)(diff - idleDiff),
(int)(idleDiff),
SystemTimers::GetTicksPerSecond() / 1000000,
_CoreParameter.bSkipIdle ? "~" : "",
TicksPercentage);
}
}
// This is our final "frame counter" string
std::string SMessage = StringFromFormat("%s | %s", SSettings.c_str(), SFPS.c_str());
// Update the audio timestretcher with the current speed
if (g_sound_stream)
{
CMixer* pMixer = g_sound_stream->GetMixer();
pMixer->UpdateSpeed((float)Speed / 100);
}
Host_UpdateTitle(SMessage);
}
// The audio thread.
void SoundStream::SoundLoop()
{
Common::SetCurrentThreadName("Audio thread");
InitializeSoundLoop();
bool surroundSupported = SupportSurroundOutput() && SConfig::GetInstance().bDPL2Decoder;
memset(realtimeBuffer, 0, SOUND_MAX_FRAME_SIZE * sizeof(u16));
memset(dpl2buffer, 0, SOUND_MAX_FRAME_SIZE * sizeof(soundtouch::SAMPLETYPE));
memset(samplebuffer, 0, SOUND_MAX_FRAME_SIZE * sizeof(soundtouch::SAMPLETYPE));
u32 channelmultiplier = surroundSupported ? SOUND_SAMPLES_SURROUND : SOUND_SAMPLES_STEREO;
CMixer* mixer = GetMixer();
if (SConfig::GetInstance().bTimeStretching)
{
float ratemultiplier = 1.0f;
soundtouch::SoundTouch sTouch;
sTouch.setChannels(2);
sTouch.setSampleRate(mixer->GetSampleRate());
sTouch.setTempo(1.0);
sTouch.setSetting(SETTING_USE_QUICKSEEK, 0);
sTouch.setSetting(SETTING_USE_AA_FILTER, 1);
while (threadData.load())
{
u32 availablesamples = mixer->AvailableSamples();
u32 numsamples = std::min(availablesamples, 400u);
if (numsamples == 400u)
{
float rate = mixer->GetCurrentSpeed();
if (rate <= 0)
{
rate = 1.0f;
}
numsamples = mixer->Mix(samplebuffer, numsamples);
rate *= ratemultiplier;
rate = rate < 0.5f ? 0.5f : rate;
rate = roundf(rate * 16.0f) / 16.0f;
sTouch.setTempo(rate);
sTouch.putSamples(samplebuffer, numsamples);
}
u32 samplesneeded = SamplesNeeded();
availablesamples = sTouch.numSamples();
if (samplesneeded >= SOUND_FRAME_SIZE && availablesamples > 0)
{
ratemultiplier = std::fmaxf(std::fminf((float)availablesamples / (float)samplesneeded, 1.1f), 0.9f);
numsamples = std::min(availablesamples, SOUND_FRAME_SIZE);
if (surroundSupported)
{
numsamples = sTouch.receiveSamples(dpl2buffer, numsamples);
DPL2Decode(dpl2buffer, numsamples, samplebuffer);
}
else
{
numsamples = sTouch.receiveSamples(samplebuffer, numsamples);
}
floatTos16(realtimeBuffer, samplebuffer, numsamples, channelmultiplier);
WriteSamples(realtimeBuffer, numsamples);
}
else
{
Common::SleepCurrentThread(1);
}
}
}
else
{
while (threadData.load())
{
u32 neededsamples = std::min(SamplesNeeded(), SOUND_FRAME_SIZE);
u32 availablesamples = mixer->AvailableSamples() & (~(0xF));
if (neededsamples == SOUND_FRAME_SIZE && availablesamples > 0)
{
u32 numsamples = std::min(availablesamples, neededsamples);
if (surroundSupported)
{
numsamples = mixer->Mix(dpl2buffer, numsamples);
DPL2Decode(dpl2buffer, numsamples, samplebuffer);
floatTos16(realtimeBuffer, samplebuffer, numsamples, channelmultiplier);
}
else
{
numsamples = mixer->Mix(realtimeBuffer, numsamples);
}
WriteSamples(realtimeBuffer, numsamples);
}
else
{
Common::SleepCurrentThread(1);
}
}
}
}
void UpdateTitle()
{
u32 ElapseTime = (u32)Timer.GetTimeDifference();
g_requestRefreshInfo = false;
SCoreStartupParameter& _CoreParameter = SConfig::GetInstance().m_LocalCoreStartupParameter;
if (ElapseTime == 0)
ElapseTime = 1;
u32 FPS = Common::AtomicLoad(DrawnFrame) * 1000 / ElapseTime;
u32 VPS = DrawnVideo * 1000 / ElapseTime;
u32 Speed = DrawnVideo * (100 * 1000) / (VideoInterface::TargetRefreshRate * ElapseTime);
// Settings are shown the same for both extended and summary info
std::string SSettings = StringFromFormat("%s %s", cpu_core_base->GetName(), _CoreParameter.bCPUThread ? "DC" : "SC");
// Use extended or summary information. The summary information does not print the ticks data,
// that's more of a debugging interest, it can always be optional of course if someone is interested.
//#define EXTENDED_INFO
#ifdef EXTENDED_INFO
u64 newTicks = CoreTiming::GetTicks();
u64 newIdleTicks = CoreTiming::GetIdleTicks();
u64 diff = (newTicks - ticks) / 1000000;
u64 idleDiff = (newIdleTicks - idleTicks) / 1000000;
ticks = newTicks;
idleTicks = newIdleTicks;
float TicksPercentage = (float)diff / (float)(SystemTimers::GetTicksPerSecond() / 1000000) * 100;
std::string SFPS = StringFromFormat("FPS: %u - VPS: %u - SPEED: %u%%", FPS, VPS, Speed);
SFPS += StringFromFormat(" | CPU: %s%i MHz [Real: %i + IdleSkip: %i] / %i MHz (%s%3.0f%%)",
_CoreParameter.bSkipIdle ? "~" : "",
(int)(diff),
(int)(diff - idleDiff),
(int)(idleDiff),
SystemTimers::GetTicksPerSecond() / 1000000,
_CoreParameter.bSkipIdle ? "~" : "",
TicksPercentage);
#else // Summary information
std::string SFPS;
if (Movie::IsPlayingInput())
SFPS = StringFromFormat("VI: %u/%u - Frame: %u/%u - FPS: %u - VPS: %u - SPEED: %u%%", (u32)Movie::g_currentFrame, (u32)Movie::g_totalFrames, (u32)Movie::g_currentInputCount, (u32)Movie::g_totalInputCount, FPS, VPS, Speed);
else if (Movie::IsRecordingInput())
SFPS = StringFromFormat("VI: %u - Frame: %u - FPS: %u - VPS: %u - SPEED: %u%%", (u32)Movie::g_currentFrame, (u32)Movie::g_currentInputCount, FPS, VPS, Speed);
else
SFPS = StringFromFormat("FPS: %u - VPS: %u - SPEED: %u%%", FPS, VPS, Speed);
#endif
// This is our final "frame counter" string
std::string SMessage = StringFromFormat("%s | %s",
SSettings.c_str(), SFPS.c_str());
std::string TMessage = StringFromFormat("%s | ", scm_rev_str) +
SMessage;
// Show message
g_video_backend->UpdateFPSDisplay(SMessage.c_str());
// Update the audio timestretcher with the current speed
if (soundStream)
{
CMixer* pMixer = soundStream->GetMixer();
pMixer->UpdateSpeed((float)Speed / 100);
}
if (_CoreParameter.bRenderToMain &&
SConfig::GetInstance().m_InterfaceStatusbar) {
Host_UpdateStatusBar(SMessage.c_str());
Host_UpdateTitle(scm_rev_str);
} else
Host_UpdateTitle(TMessage.c_str());
}