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// Copyright 2009 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "AudioCommon/AudioCommon.h"
#include "AudioCommon/AOSoundStream.h"
#include "AudioCommon/AlsaSoundStream.h"
#include "AudioCommon/CoreAudioSoundStream.h"
#include "AudioCommon/Mixer.h"
#include "AudioCommon/NullSoundStream.h"
#include "AudioCommon/OpenALStream.h"
#include "AudioCommon/OpenSLESStream.h"
#include "AudioCommon/PulseAudioStream.h"
#include "AudioCommon/XAudio2Stream.h"
#include "AudioCommon/XAudio2_7Stream.h"
#include "Common/Common.h"
#include "Common/FileUtil.h"
#include "Common/Logging/Log.h"
#include "Common/MsgHandler.h"
#include "Core/ConfigManager.h"
#include "Core/Movie.h"
// This shouldn't be a global, at least not here.
std::unique_ptr<SoundStream> g_sound_stream;
static bool s_audio_dump_start = false;
namespace AudioCommon
{
static const int AUDIO_VOLUME_MIN = 0;
static const int AUDIO_VOLUME_MAX = 100;
void InitSoundStream()
{
std::string backend = SConfig::GetInstance().sBackend;
if (backend == BACKEND_OPENAL && OpenALStream::isValid())
g_sound_stream = std::make_unique<OpenALStream>();
else if (backend == BACKEND_NULLSOUND && NullSound::isValid())
g_sound_stream = std::make_unique<NullSound>();
else if (backend == BACKEND_XAUDIO2)
{
if (XAudio2::isValid())
g_sound_stream = std::make_unique<XAudio2>();
else if (XAudio2_7::isValid())
g_sound_stream = std::make_unique<XAudio2_7>();
}
else if (backend == BACKEND_AOSOUND && AOSound::isValid())
g_sound_stream = std::make_unique<AOSound>();
else if (backend == BACKEND_ALSA && AlsaSound::isValid())
g_sound_stream = std::make_unique<AlsaSound>();
else if (backend == BACKEND_COREAUDIO && CoreAudioSound::isValid())
g_sound_stream = std::make_unique<CoreAudioSound>();
else if (backend == BACKEND_PULSEAUDIO && PulseAudio::isValid())
g_sound_stream = std::make_unique<PulseAudio>();
else if (backend == BACKEND_OPENSLES && OpenSLESStream::isValid())
g_sound_stream = std::make_unique<OpenSLESStream>();
if (!g_sound_stream && NullSound::isValid())
{
WARN_LOG(AUDIO, "Could not initialize backend %s, using %s instead.", backend.c_str(),
BACKEND_NULLSOUND);
g_sound_stream = std::make_unique<NullSound>();
}
UpdateSoundStream();
if (!g_sound_stream->Start())
{
ERROR_LOG(AUDIO, "Could not start backend %s, using %s instead", backend.c_str(),
BACKEND_NULLSOUND);
g_sound_stream = std::make_unique<NullSound>();
g_sound_stream->Start();
}
if (SConfig::GetInstance().m_DumpAudio && !s_audio_dump_start)
StartAudioDump();
}
void ShutdownSoundStream()
{
INFO_LOG(AUDIO, "Shutting down sound stream");
if (g_sound_stream)
{
g_sound_stream->Stop();
if (SConfig::GetInstance().m_DumpAudio && s_audio_dump_start)
StopAudioDump();
g_sound_stream.reset();
}
INFO_LOG(AUDIO, "Done shutting down sound stream");
}
std::vector<std::string> GetSoundBackends()
{
std::vector<std::string> backends;
if (NullSound::isValid())
backends.push_back(BACKEND_NULLSOUND);
if (XAudio2_7::isValid() || 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;
}
void UpdateSoundStream()
{
if (g_sound_stream)
{
int volume = SConfig::GetInstance().m_IsMuted ? 0 : SConfig::GetInstance().m_Volume;
g_sound_stream->SetVolume(volume);
}
}
void ClearAudioBuffer(bool mute)
{
if (g_sound_stream)
g_sound_stream->Clear(mute);
}
void SendAIBuffer(const 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 StartAudioDump()
{
std::string audio_file_name_dtk = File::GetUserPath(D_DUMPAUDIO_IDX) + "dtkdump.wav";
std::string audio_file_name_dsp = File::GetUserPath(D_DUMPAUDIO_IDX) + "dspdump.wav";
File::CreateFullPath(audio_file_name_dtk);
File::CreateFullPath(audio_file_name_dsp);
g_sound_stream->GetMixer()->StartLogDTKAudio(audio_file_name_dtk);
g_sound_stream->GetMixer()->StartLogDSPAudio(audio_file_name_dsp);
s_audio_dump_start = true;
}
void StopAudioDump()
{
g_sound_stream->GetMixer()->StopLogDTKAudio();
g_sound_stream->GetMixer()->StopLogDSPAudio();
s_audio_dump_start = false;
}
void IncreaseVolume(unsigned short offset)
{
SConfig::GetInstance().m_IsMuted = false;
int& currentVolume = SConfig::GetInstance().m_Volume;
currentVolume += offset;
if (currentVolume > AUDIO_VOLUME_MAX)
currentVolume = AUDIO_VOLUME_MAX;
UpdateSoundStream();
}
void DecreaseVolume(unsigned short offset)
{
SConfig::GetInstance().m_IsMuted = false;
int& currentVolume = SConfig::GetInstance().m_Volume;
currentVolume -= offset;
if (currentVolume < AUDIO_VOLUME_MIN)
currentVolume = AUDIO_VOLUME_MIN;
UpdateSoundStream();
}
void ToggleMuteVolume()
{
bool& isMuted = SConfig::GetInstance().m_IsMuted;
isMuted = !isMuted;
UpdateSoundStream();
}
}
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