Added sound volume slider to HLE sound plugin, currently DSound only, unless someone wants to add it to OpenAL :p

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3262 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/AudioCommon/Src/AudioCommonConfig.cpp

@@ -1,3 +1,20 @@
+// 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"
 AudioCommonConfig ac_Config;
 
@@ -5,6 +22,7 @@ AudioCommonConfig ac_Config;
 void AudioCommonConfig::Load(IniFile &file) {
 	file.Get("Config", "EnableDTKMusic", &m_EnableDTKMusic, true);
 	file.Get("Config", "EnableThrottle", &m_EnableThrottle, true);
+	file.Get("Config", "Volume", &m_Volume, 0);
 #ifdef _WIN32
 	file.Get("Config", "Backend", &sBackend, "DSound");
 #elif defined(__APPLE__)
@@ -21,6 +39,7 @@ void AudioCommonConfig::Set(IniFile &file) {
 	file.Set("Config", "EnableDTKMusic", m_EnableDTKMusic);
 	file.Set("Config", "EnableThrottle", m_EnableThrottle);
 	file.Set("Config", "Backend", sBackend);
+	file.Set("Config", "Volume", m_Volume);
 }
 
 // Update according to the values (stream/mixer)
@@ -28,5 +47,6 @@ void AudioCommonConfig::Update() {
 	if (soundStream) {
 		soundStream->GetMixer()->SetThrottle(m_EnableThrottle);
 		soundStream->GetMixer()->SetDTKMusic(m_EnableDTKMusic);
+		soundStream->SetVolume(m_Volume);
 	}
 }

Source/Core/AudioCommon/Src/AudioCommonConfig.h

@@ -1,3 +1,20 @@
+// 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/
+
 #ifndef _AUDIO_COMMON_CONFIG_H_
 #define _AUDIO_COMMON_CONFIG_H_
 
@@ -13,6 +30,7 @@ struct AudioCommonConfig
 {
 	bool m_EnableDTKMusic;
     bool m_EnableThrottle;
+	int m_Volume;
 #ifdef __APPLE__
 	char sBackend[128];
 #else

Source/Core/AudioCommon/Src/DSoundStream.cpp

@@ -16,6 +16,7 @@
 // http://code.google.com/p/dolphin-emu/
 
 #include <windows.h>
+#include <cmath>
 #include <dxerr.h>
 #include "DSoundStream.h"
 
@@ -40,7 +41,7 @@ bool DSound::CreateBuffer()
 
 	// Fill out DSound buffer description.
 	dsbdesc.dwSize  = sizeof(DSBUFFERDESC);
-	dsbdesc.dwFlags = DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_STICKYFOCUS;
+	dsbdesc.dwFlags = DSBCAPS_GETCURRENTPOSITION2 | DSBCAPS_STICKYFOCUS | DSBCAPS_CTRLVOLUME;
 	dsbdesc.dwBufferBytes = bufferSize = BUFSIZE;
 	dsbdesc.lpwfxFormat = (WAVEFORMATEX *)&pcmwf;
 	dsbdesc.guid3DAlgorithm = DS3DALG_DEFAULT;
@@ -49,6 +50,7 @@ bool DSound::CreateBuffer()
 	if (SUCCEEDED(res))
 	{
 		dsBuffer->SetCurrentPosition(0);
+		dsBuffer->SetVolume(m_volume);
 		return true;
 	}
 	else
@@ -152,6 +154,17 @@ bool DSound::Start()
 	return true;
 }
 
+void DSound::SetVolume(int volume)
+{
+	// This is in "dBA attenuation" from 0 to -10000, logarithmic
+	m_volume = (int)floor(log10((float)volume) * 5000.0f) - 10000;
+
+	soundCriticalSection.Enter();
+	if (ds != NULL)
+		dsBuffer->SetVolume(m_volume);
+	soundCriticalSection.Leave();
+}
+
 void DSound::Update()
 {
 	soundSyncEvent.Set();

Source/Core/AudioCommon/Src/DSoundStream.h

@@ -42,6 +42,7 @@ class DSound : public SoundStream
     
     int bufferSize;     //i bytes
     int totalRenderedBytes;
+	int m_volume;
     
     // playback position
     int currentPos;
@@ -73,6 +74,7 @@ public:
  
 	virtual bool Start();
     virtual void SoundLoop();
+	virtual void SetVolume(int volume);
     virtual void Stop();
     static bool isValid() { return true; }
     virtual bool usesMixer() const { return true; }

Source/Core/AudioCommon/Src/SoundStream.h

@@ -40,6 +40,7 @@ public:
 	static  bool isValid() { return false; }  
 	virtual CMixer *GetMixer() const { return m_mixer; }
 	virtual bool Start() { return false; }
+	virtual void SetVolume(int) {}
 	virtual void SoundLoop() {}
 	virtual void Stop() {}
 	virtual void Update() {}

Source/Plugins/Plugin_DSP_HLE/Src/ConfigDlg.cpp

@@ -25,6 +25,7 @@ EVT_CHECKBOX(ID_ENABLE_HLE_AUDIO, ConfigDialog::SettingsChanged)
 EVT_CHECKBOX(ID_ENABLE_DTK_MUSIC, ConfigDialog::SettingsChanged)
 EVT_CHECKBOX(ID_ENABLE_THROTTLE, ConfigDialog::SettingsChanged)
 EVT_CHECKBOX(ID_ENABLE_RE0_FIX, ConfigDialog::SettingsChanged)
+EVT_COMMAND_SCROLL(ID_VOLUME, ConfigDialog::VolumeChanged)
 END_EVENT_TABLE()
 
 ConfigDialog::ConfigDialog(wxWindow *parent, wxWindowID id, const wxString &title, const wxPoint &position, const wxSize& size, long style)
@@ -45,7 +46,10 @@ ConfigDialog::ConfigDialog(wxWindow *parent, wxWindowID id, const wxString &titl
 	m_buttonEnableThrottle = new wxCheckBox(this, ID_ENABLE_THROTTLE, wxT("Enable Other Audio (Throttle)"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator);
 	m_buttonEnableRE0Fix = new wxCheckBox(this, ID_ENABLE_RE0_FIX, wxT("Enable RE0 Audio Fix"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator);
 	wxStaticText *BackendText = new wxStaticText(this, wxID_ANY, wxT("Audio Backend"), wxDefaultPosition, wxDefaultSize, 0);
-	m_BackendSelection = new wxComboBox(this, ID_BACKEND, wxEmptyString, wxDefaultPosition, wxDefaultSize, wxArrayBackends, wxCB_READONLY, wxDefaultValidator);
+	m_BackendSelection = new wxComboBox(this, ID_BACKEND, wxEmptyString, wxDefaultPosition, wxSize(90, 20), wxArrayBackends, wxCB_READONLY, wxDefaultValidator);
+
+	m_volumeSlider = new wxSlider(this, ID_VOLUME, ac_Config.m_Volume, 1, 100, wxDefaultPosition, wxDefaultSize, wxSL_VERTICAL|wxSL_INVERSE);
+	m_volumeText = new wxStaticText(this, wxID_ANY, wxString::Format(wxT("%d %%"), ac_Config.m_Volume), wxDefaultPosition, wxDefaultSize, 0);
 
 	// Update values
 	m_buttonEnableHLEAudio->SetValue(g_Config.m_EnableHLEAudio ? true : false);
@@ -62,56 +66,79 @@ ConfigDialog::ConfigDialog(wxWindow *parent, wxWindowID id, const wxString &titl
 	m_buttonEnableRE0Fix->SetToolTip(wxT("This fixes audo in RE0 and maybe some other games."));
 	m_BackendSelection->SetToolTip(wxT("Changing this will have no effect while the emulator is running!"));
 
+
 	// Create sizer and add items to dialog
 	wxBoxSizer *sMain = new wxBoxSizer(wxVERTICAL);
+	wxBoxSizer *sSettings = new wxBoxSizer(wxHORIZONTAL);
+	wxBoxSizer *sBackend = new wxBoxSizer(wxHORIZONTAL);
+	wxBoxSizer *sButtons = new wxBoxSizer(wxHORIZONTAL);
+
 	wxStaticBoxSizer *sbSettings = new wxStaticBoxSizer(wxVERTICAL, this, wxT("Sound Settings"));
 	sbSettings->Add(m_buttonEnableHLEAudio, 0, wxALL, 5);
 	sbSettings->Add(m_buttonEnableDTKMusic, 0, wxALL, 5);
 	sbSettings->Add(m_buttonEnableThrottle, 0, wxALL, 5);
 	sbSettings->Add(m_buttonEnableRE0Fix, 0, wxALL, 5);
-	wxBoxSizer *sBackend = new wxBoxSizer(wxHORIZONTAL);
+	sBackend->Add(BackendText, 0, wxALIGN_CENTER|wxALL, 5);
-	sBackend->Add(BackendText, 0, wxALIGN_CENTRE_VERTICAL|wxALL, 5);
+	sBackend->Add(m_BackendSelection, 0, wxALL, 1);
-	sBackend->Add(m_BackendSelection);
+	sbSettings->Add(sBackend, 0, wxALL, 2);
-	sbSettings->Add(sBackend);
 
-	sMain->Add(sbSettings, 0, wxEXPAND|wxALL, 5);
+	wxStaticBoxSizer *sbSettingsV = new wxStaticBoxSizer(wxVERTICAL, this, wxT("Volume"));
-	wxBoxSizer *sButtons = new wxBoxSizer(wxHORIZONTAL);
+	sbSettingsV->Add(m_volumeSlider, 0, wxLEFT|wxRIGHT|wxALIGN_CENTER, 6);
-	sButtons->Add(150, 0); // Lazy way to make the dialog as wide as we want it
+	sbSettingsV->Add(m_volumeText, 0, wxALL|wxALIGN_LEFT, 4);
-	sButtons->Add(m_OK, 0, wxALL, 5);
+
-	sMain->Add(sButtons, 0, wxEXPAND);
+	sSettings->Add(sbSettings, 0, wxALL|wxEXPAND, 4);
-	this->SetSizerAndFit(sMain);
+	sSettings->Add(sbSettingsV, 0, wxALL|wxEXPAND, 4);
+	sMain->Add(sSettings, 0, wxALL|wxEXPAND, 4);
+	
+	sButtons->AddStretchSpacer(); 
+	sButtons->Add(m_OK, 0, wxALL, 1);
+	sMain->Add(sButtons, 0, wxALL|wxEXPAND, 4);
+	SetSizerAndFit(sMain);
 }
 
 // Add audio output options
 void ConfigDialog::AddBackend(const char* backend)
 {
+	// Update values
     m_BackendSelection->Append(wxString::FromAscii(backend));
-	// Update value
 #ifdef __APPLE__
 	m_BackendSelection->SetValue(wxString::FromAscii(ac_Config.sBackend));
 #else
 	m_BackendSelection->SetValue(wxString::FromAscii(ac_Config.sBackend.c_str()));
 #endif
+
+	// Unfortunately, DSound is the only API having a volume setting...
+#ifndef _WIN32
+	m_volumeSlider->Disable();
+	m_volumeText->Disable();
+#endif
 }
 
 ConfigDialog::~ConfigDialog()
 {
 }
 
+void ConfigDialog::VolumeChanged(wxScrollEvent& WXUNUSED(event))
+{
+	ac_Config.m_Volume = m_volumeSlider->GetValue();
+	ac_Config.Update();
+
+	m_volumeText->SetLabel(wxString::Format(wxT("%d %%"), m_volumeSlider->GetValue()));
+}
+
 void ConfigDialog::SettingsChanged(wxCommandEvent& event)
 {
 	g_Config.m_EnableHLEAudio = m_buttonEnableHLEAudio->GetValue();
 	g_Config.m_EnableRE0Fix = m_buttonEnableRE0Fix->GetValue();
 	ac_Config.m_EnableDTKMusic = m_buttonEnableDTKMusic->GetValue();
 	ac_Config.m_EnableThrottle = m_buttonEnableThrottle->GetValue();
-	if (soundStream != NULL)
-		soundStream->GetMixer()->SetThrottle(ac_Config.m_EnableThrottle);
 
 #ifdef __APPLE__
 	strncpy(ac_Config.sBackend, m_BackendSelection->GetValue().mb_str(), 128);
 #else
 	ac_Config.sBackend = m_BackendSelection->GetValue().mb_str();
 #endif
+	ac_Config.Update();
 	g_Config.Save();
 
 	if (event.GetId() == wxID_OK)

Source/Plugins/Plugin_DSP_HLE/Src/ConfigDlg.h

@@ -39,6 +39,8 @@ public:
 private:
     DECLARE_EVENT_TABLE();
     
+	wxSlider *m_volumeSlider;
+	wxStaticText *m_volumeText;
     wxButton *m_OK;
     wxCheckBox *m_buttonEnableHLEAudio;
     wxCheckBox *m_buttonEnableDTKMusic;
@@ -54,11 +56,13 @@ private:
 	    ID_ENABLE_DTK_MUSIC,
 	    ID_ENABLE_THROTTLE,
 		ID_ENABLE_RE0_FIX,
-	    ID_BACKEND
+	    ID_BACKEND,
+		ID_VOLUME
 	};
     
     void OnOK(wxCommandEvent& event);
     void SettingsChanged(wxCommandEvent& event);
+	void VolumeChanged(wxScrollEvent& event);
 };
 
 #endif //__DSP_HLE_CONFIGDIALOG_h__

Source/Plugins/Plugin_DSP_LLE/Src/DSPConfigDlgLLE.cpp

@@ -91,8 +91,6 @@ void DSPConfigDialogLLE::SettingsChanged(wxCommandEvent& event)
 {
 	ac_Config.m_EnableDTKMusic = m_buttonEnableDTKMusic->GetValue();
 	ac_Config.m_EnableThrottle = m_buttonEnableThrottle->GetValue();
-	if (soundStream != NULL)
-		soundStream->GetMixer()->SetThrottle(ac_Config.m_EnableThrottle);
 
 #ifdef __APPLE__
 	strncpy(ac_Config.sBackend, m_BackendSelection->GetValue().mb_str(), 128);