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////////////////////////////////////////////////////////////////////////////////////////
//
// Nestopia - NES/Famicom emulator written in C++
//
// Copyright (C) 2003-2008 Martin Freij
//
// This file is part of Nestopia.
//
// Nestopia 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; either version 2 of the License, or
// (at your option) any later version.
//
// Nestopia 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with Nestopia; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
////////////////////////////////////////////////////////////////////////////////////////
#include "NstIoFile.hpp"
#include "NstIoLog.hpp"
#include "NstIoArchive.hpp"
#include "NstResourceString.hpp"
#include "NstManagerPaths.hpp"
#include "NstWindowUser.hpp"
#include "NstDialogSound.hpp"
#include "NstManagerSound.hpp"
#include "NstManagerSoundRecorder.hpp"
#include "NstManagerPreferences.hpp"
namespace Nestopia
{
namespace Managers
{
struct Sound::Callbacks
{
static bool NST_CALLBACK Lock(Nes::Sound::UserData,Nes::Sound::Output&);
static void NST_CALLBACK Unlock(Nes::Sound::UserData,Nes::Sound::Output&);
};
Sound::Sound
(
Window::Custom& window,
Window::Menu& m,
Emulator& e,
const Paths& p,
const Preferences& r,
const Configuration& cfg
)
:
Manager ( e, m, this, &Sound::OnEmuEvent, IDM_OPTIONS_SOUND, &Sound::OnMenuOptionsSound ),
paths ( p ),
preferences ( r ),
directSound ( window ),
dialog ( new Window::Sound(e,directSound.GetAdapters(),p,cfg) ),
recorder ( new Recorder(m,dialog->GetRecorder(),e) )
{
Nes::Sound::Output::lockCallback.Set( &Callbacks::Lock, this );
Nes::Sound::Output::unlockCallback.Set( &Callbacks::Unlock, this );
UpdateSettings();
}
Sound::~Sound()
{
Nes::Sound::Output::lockCallback.Unset();
Nes::Sound::Output::unlockCallback.Unset();
}
bool Sound::CanRunInBackground() const
{
if (emulator.IsNsf())
return menu[IDM_MACHINE_NSF_OPTIONS_PLAYINBACKGROUND].Checked();
else
return preferences[Managers::Preferences::RUN_IN_BACKGROUND];
}
void Sound::OnEmuEvent(const Emulator::Event event,const Emulator::Data data)
{
switch (event)
{
case Emulator::EVENT_POWER_ON:
case Emulator::EVENT_SPEED:
if (emuOutput && emulator.NetPlayers() == 0)
{
Nes::Sound( emulator ).SetSpeed( emulator.GetSpeed() );
Nes::Sound( emulator ).EmptyBuffer();
}
break;
case Emulator::EVENT_REWINDING_START:
case Emulator::EVENT_REWINDING_STOP:
Nes::Sound(emulator).SetVolume
(
Nes::Sound::CHANNEL_DPCM,
event == Emulator::EVENT_REWINDING_START ? 0 : dialog->GetVolume(Nes::Sound::CHANNEL_DPCM)
);
case Emulator::EVENT_REWINDING_PREPARE:
directSound.StopStream();
break;
case Emulator::EVENT_NETPLAY_MODE:
menu[IDM_OPTIONS_SOUND].Enable( !data );
break;
}
}
void Sound::OnMenuOptionsSound(uint)
{
dialog->Open();
UpdateSettings();
}
void Sound::Save(Configuration& cfg) const
{
dialog->Save( cfg );
}
void Sound::UpdateSettings()
{
cstring errMsg = NULL;
if (dialog->SoundEnabled())
{
Nes::Sound nesSound( emulator );
errMsg = directSound.Update
(
dialog->GetAdapter(),
nesSound.GetSampleRate(),
16,
nesSound.GetSpeaker() == Nes::Sound::SPEAKER_STEREO ? DirectX::DirectSound::STEREO : DirectX::DirectSound::MONO,
emulator.IsNsf() ? 500 : (dialog->GetLatency() + 2) * 21,
dialog->GetPool(),
CanRunInBackground()
);
if (errMsg == NULL)
{
emuOutput = &output;
nesSound.SetSpeed( emulator.GetSpeed() );
recorder->Enable( &directSound.GetWaveFormat() );
return;
}
}
else
{
directSound.Destroy();
}
Disable( errMsg );
}
void Sound::Disable(cstring const errMsg)
{
emuOutput = NULL;
Nes::Sound( emulator ).SetVolume( Nes::Sound::ALL_CHANNELS, 0 );
recorder->Enable( NULL );
if (errMsg)
Window::User::Fail( Resource::String( IDS_ERR_SOUND_FAILED ).Invoke( errMsg ) );
}
void Sound::StartEmulation() const
{
Nes::Sound( emulator ).EmptyBuffer();
}
void Sound::StopEmulation()
{
directSound.StopStream();
}
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("t", on)
#endif
bool NST_CALLBACK Sound::Callbacks::Lock(Nes::Sound::UserData data,Nes::Sound::Output&)
{
Sound& sound = *static_cast<Sound*>(data);
if (sound.directSound.Streaming())
{
return sound.directSound.LockStream( sound.output.samples, sound.output.length );
}
else
{
if (sound.CanRunInBackground() != sound.directSound.GlobalFocus())
sound.UpdateSettings();
sound.directSound.StartStream();
return false;
}
}
void NST_CALLBACK Sound::Callbacks::Unlock(Nes::Sound::UserData data,Nes::Sound::Output&)
{
Sound& sound = *static_cast<Sound*>(data);
if (sound.recorder->IsRecording())
sound.recorder->Flush( sound.output );
sound.directSound.UnlockStream( sound.output.samples, sound.output.length );
}
#ifdef NST_MSVC_OPTIMIZE
#pragma optimize("", on)
#endif
}
}
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