hrydgard · hrydgard · Feb 12, 2025 · Feb 12, 2025 · Feb 12, 2025 · Feb 12, 2025
diff --git a/Core/Config.cpp b/Core/Config.cpp
@@ -745,16 +745,42 @@ static const ConfigSetting graphicsSettings[] = {
 	ConfigSetting("DisplayRefreshRate", &g_Config.iDisplayRefreshRate, g_Config.iDisplayRefreshRate, CfgFlag::PER_GAME),
 };
 
+static int LegacyVolumeToNewVolume(int legacy, int max) {
+	float multiplier = Volume10ToMultiplier(legacy);
+	return std::clamp(MultiplierToVolume100(multiplier), 0, max);
+}
+
+static int DefaultGameVolume() {
+	return LegacyVolumeToNewVolume(g_Config.iLegacyGameVolume, 100);
+}
+
+static int DefaultReverbVolume() {
+	return LegacyVolumeToNewVolume(g_Config.iLegacyReverbVolume, 200);
+}
+
+static int DefaultAchievementVolume() {
+	// NOTE: The old achievemnt volume was a straight percentage so it doesn't convert
+	// the same as the others.
+	return MultiplierToVolume100((float)g_Config.iLegacyAchievementVolume / 10.0f);
+}
+
 static const ConfigSetting soundSettings[] = {
 	ConfigSetting("Enable", &g_Config.bEnableSound, true, CfgFlag::PER_GAME),
 	ConfigSetting("AudioBackend", &g_Config.iAudioBackend, 0, CfgFlag::PER_GAME),
 	ConfigSetting("ExtraAudioBuffering", &g_Config.bExtraAudioBuffering, false, CfgFlag::DEFAULT),
 
-	ConfigSetting("GlobalVolume", &g_Config.iGameVolume, VOLUME_FULL, CfgFlag::PER_GAME),
-	ConfigSetting("ReverbVolume", &g_Config.iReverbVolume, VOLUME_FULL, CfgFlag::PER_GAME),
+	// Legacy volume settings, these get auto upgraded through default handlers on the new settings. NOTE: Must be before the new ones in the order here.
+	// The default settings here are still relevant, they will get propagated into the new ones.
+	ConfigSetting("GlobalVolume", &g_Config.iLegacyGameVolume, VOLUME_FULL, CfgFlag::PER_GAME | CfgFlag::DONT_SAVE),
+	ConfigSetting("ReverbVolume", &g_Config.iLegacyReverbVolume, VOLUME_FULL, CfgFlag::PER_GAME | CfgFlag::DONT_SAVE),
+	ConfigSetting("AchievementSoundVolume", &g_Config.iLegacyAchievementVolume, 6, CfgFlag::PER_GAME | CfgFlag::DONT_SAVE),
+
+	// Current volume settings.
+	ConfigSetting("GameVolume", &g_Config.iGameVolume, &DefaultGameVolume, CfgFlag::PER_GAME),
+	ConfigSetting("ReverbRelativeVolume", &g_Config.iReverbVolume, &DefaultReverbVolume, CfgFlag::PER_GAME),
 	ConfigSetting("AltSpeedRelativeVolume", &g_Config.iAltSpeedVolume, VOLUMEHI_FULL, CfgFlag::PER_GAME),
-	ConfigSetting("AchievementSoundVolume", &g_Config.iAchievementSoundVolume, 6, CfgFlag::PER_GAME),
-	ConfigSetting("UIVolume", &g_Config.iUIVolume, 70, CfgFlag::DEFAULT),
+	ConfigSetting("AchievementVolume", &g_Config.iAchievementVolume, &DefaultAchievementVolume, CfgFlag::PER_GAME),
+	ConfigSetting("UIVolume", &g_Config.iUIVolume, 75, CfgFlag::DEFAULT),
 
 	ConfigSetting("AudioDevice", &g_Config.sAudioDevice, "", CfgFlag::DEFAULT),
 	ConfigSetting("AutoAudioDevice", &g_Config.bAutoAudioDevice, true, CfgFlag::DEFAULT),
@@ -1468,6 +1494,7 @@ bool Config::Save(const char *saveReason) {
 	return true;
 }
 
+// A lot more cleanup tasks should be moved into here, and some of these are severely outdated.
 void Config::PostLoadCleanup(bool gameSpecific) {
 	// Override ppsspp.ini JIT value to prevent crashing
 	jitForcedOff = DefaultCpuCore() != (int)CPUCore::JIT && (g_Config.iCpuCore == (int)CPUCore::JIT || g_Config.iCpuCore == (int)CPUCore::JIT_IR);
@@ -1502,6 +1529,9 @@ void Config::PostLoadCleanup(bool gameSpecific) {
 	if (g_Config.sCustomDriver == "Default") {
 		g_Config.sCustomDriver = "";
 	}
+
+	// Convert old volume settings.
+
 }
 
 void Config::PreSaveCleanup(bool gameSpecific) {
@@ -2092,3 +2122,31 @@ bool PlayTimeTracker::GetPlayedTimeString(const std::string &gameId, std::string
 	*str = ApplySafeSubstitutions(ga->T("Time Played: %1h %2m %3s"), hours, minutes, seconds);
 	return true;
 }
+
+// This matches exactly the old shift-based curve.
+float Volume10ToMultiplier(int volume) {
+	// Allow muting entirely.
+	if (volume <= 0) {
+		return 0.0f;
+	}
+	return powf(2.0f, (float)(volume - 10));
+}
+
+// NOTE: This is used for new volume parameters.
+// It uses a more intuitive-feeling curve.
+float Volume100ToMultiplier(int volume) {
+	// Switch to linear above the 1.0f point.
+	if (volume > 100) {
+		return volume / 100.0f;
+	}
+	return powf(volume * 0.01f, 1.75f);
+}
+
+// Used for migration from the old settings.
+int MultiplierToVolume100(float multiplier) {
+	// Switch to linear above the 1.0f point.
+	if (multiplier > 1.0f) {
+		return multiplier * 100;
+	}
+	return (int)(powf(multiplier, 1.0f / 1.75f) * 100.f + 0.5f);
+}
diff --git a/Core/Config.h b/Core/Config.h
@@ -280,14 +280,17 @@ struct Config {
 	bool bEnableSound;
 	int iAudioBackend;
 
-	// Volume settings, 0-10
-	int iGameVolume;
-	int iReverbVolume;
-	int iAltSpeedVolume;
-	int iAchievementSoundVolume;
+	// Legacy volume settings, 0-10. These get auto-upgraded and should not be used.
+	int iLegacyGameVolume;
+	int iLegacyReverbVolume;
+	int iLegacyAchievementVolume;
 
 	// Newer volume settings, 0-100
+	int iGameVolume;
+	int iReverbVolume;
 	int iUIVolume;
+	int iAchievementVolume;
+	int iAltSpeedVolume;
 
 	bool bExtraAudioBuffering;  // For bluetooth
 	std::string sAudioDevice;

diff --git a/Core/ConfigValues.h b/Core/ConfigValues.h
@@ -34,19 +34,14 @@ constexpr int VOLUME_FULL = 10;
 constexpr int VOLUMEHI_FULL = 100;  // for newer volume params. will convert them all later
 
 // This matches exactly the old shift-based curve.
-inline float Volume10ToMultiplier(int volume) {
-	// Allow muting entirely.
-	if (volume <= 0) {
-		return 0.0f;
-	}
-	return powf(2.0f, (float)(volume - 10));
-}
+float Volume10ToMultiplier(int volume);
 
 // NOTE: This is used for new volume parameters.
 // It uses a more intuitive-feeling curve.
-inline float Volume100ToMultiplier(int volume) {
-	return powf(volume * 0.01f, 1.75f);
-}
+float Volume100ToMultiplier(int volume);
+
+// Used for migration from the old settings.
+int MultiplierToVolume100(float multiplier);
 
 struct ConfigTouchPos {
 	float x;

diff --git a/Core/HLE/__sceAudio.cpp b/Core/HLE/__sceAudio.cpp
@@ -414,7 +414,7 @@ void __AudioUpdate(bool resetRecording) {
 	}
 
 	if (g_Config.bEnableSound) {
-		float multiplier = Volume10ToMultiplier(std::clamp(g_Config.iGameVolume, 0, VOLUME_FULL));
+		float multiplier = Volume100ToMultiplier(std::clamp(g_Config.iGameVolume, 0, VOLUMEHI_FULL));
 		if (PSP_CoreParameter().fpsLimit != FPSLimit::NORMAL || PSP_CoreParameter().fastForward) {
 			if (g_Config.iAltSpeedVolume != -1) {
 				// Multiply in the alt speed volume instead of replacing like before.

diff --git a/Core/HW/SasAudio.cpp b/Core/HW/SasAudio.cpp
@@ -729,7 +729,7 @@ void SasInstance::ApplyWaveformEffect() {
 	}
 
 	// Volume max is 0x1000, while our factor is up to 0x8000. Shifting left by 3 fixes that.
-	reverb_.ProcessReverb(sendBufferProcessed, sendBufferDownsampled, grainSize / 2, waveformEffect.leftVol << 3, waveformEffect.rightVol << 3);
+	reverb_.ProcessReverb(sendBufferProcessed, sendBufferDownsampled, grainSize / 2, (uint16_t)(waveformEffect.leftVol << 3), (uint16_t)(waveformEffect.rightVol << 3));
 }
 
 void SasInstance::DoState(PointerWrap &p) {

diff --git a/Core/HW/SasReverb.cpp b/Core/HW/SasReverb.cpp
@@ -207,7 +207,7 @@ class BufferWrapper {
 	int size_;
 };
 
-void SasReverb::ProcessReverb(int16_t *output, const int16_t *input, size_t inputSize, uint16_t volLeft, uint16_t volRight) {
+void SasReverb::ProcessReverb(int16_t *output, const int16_t *input, size_t inputSize, int volLeft, int volRight) {
 	// This means replicate the input signal in the processed buffer.
 	// Can also be used to verify that the error is in here...
 	if (preset_ == -1) {
@@ -221,13 +221,15 @@ void SasReverb::ProcessReverb(int16_t *output, const int16_t *input, size_t inpu
 		return;
 	}
 
-	const uint8_t reverbVolume = Clamp(g_Config.iReverbVolume, 0, 25);
+	const float reverbVolumeMultiplier = Volume100ToMultiplier(g_Config.iReverbVolume);
 	// Standard volume is 10, which pairs with a normal shift of 15.
-	const uint8_t finalShift = 25 - reverbVolume;
-	if (reverbVolume == 0) {
+	if (reverbVolumeMultiplier <= 0.0f) {
 		// Force to zero output, which is not the same as "Off."
 		memset(output, 0, inputSize * 4);
 		return;
+	} else {
+		volLeft *= reverbVolumeMultiplier;
+		volRight *= reverbVolumeMultiplier;
 	}
 
 	const SasReverbData &d = presets[preset_];
@@ -266,8 +268,8 @@ void SasReverb::ProcessReverb(int16_t *output, const int16_t *input, size_t inpu
 		b[d.mRAPF2] = clamp_s16(Rout - (d.vAPF2*b[(d.mRAPF2 - d.dAPF2)] >> 15));
 		Rout = b[(d.mRAPF2 - d.dAPF2)] + (b[d.mRAPF2] * d.vAPF2 >> 15);
 		// ___Output to Mixer(Output volume multiplied with input from APF2)___________
-		output[i * 4 + 0] = clamp_s16((Lout * volLeft) >> finalShift);
-		output[i * 4 + 1] = clamp_s16((Rout * volRight) >> finalShift);
+		output[i * 4 + 0] = clamp_s16((Lout * volLeft) >> 15);
+		output[i * 4 + 1] = clamp_s16((Rout * volRight) >> 15);
 		output[i * 4 + 2] = 0;
 		output[i * 4 + 3] = 0;
 

diff --git a/Core/HW/SasReverb.h b/Core/HW/SasReverb.h
@@ -31,7 +31,7 @@ class SasReverb {
 
 	// Input should be a mixdown of all the channels that have reverb enabled, at 22khz.
 	// Output is written back at 44khz.
-	void ProcessReverb(int16_t *output, const int16_t *input, size_t inputSize, uint16_t volLeft, uint16_t volRight);
+	void ProcessReverb(int16_t *output, const int16_t *input, size_t inputSize, int volLeft, int volRight);
 
 private:
 	enum {
@@ -41,4 +41,4 @@ class SasReverb {
 	int16_t *workspace_;
 	int preset_;
 	int pos_;
-};
+};
diff --git a/UI/BackgroundAudio.cpp b/UI/BackgroundAudio.cpp
@@ -534,9 +534,9 @@ void SoundEffectMixer::Mix(int16_t *buffer, int sz, int sampleRateHz) {
 	}
 }
 
-void SoundEffectMixer::Play(UI::UISound sfx, float volume) {
+void SoundEffectMixer::Play(UI::UISound sfx, float multiplier) {
 	std::lock_guard<std::mutex> guard(mutex_);
-	queue_.push_back(PlayInstance{ sfx, 0, (int)(255.0f * volume), false });
+	queue_.push_back(PlayInstance{ sfx, 0, (int)(255.0f * multiplier), false });
 }
 
 void SoundEffectMixer::UpdateSample(UI::UISound sound, Sample *sample) {

diff --git a/UI/EmuScreen.cpp b/UI/EmuScreen.cpp
@@ -630,7 +630,7 @@ void EmuScreen::sendMessage(UIMessage message, const char *value) {
 		}
 	} else if (message == UIMessage::REQUEST_PLAY_SOUND) {
 		if (g_Config.bAchievementsSoundEffects && g_Config.bEnableSound) {
-			float achievementVolume = Volume10ToMultiplier(g_Config.iAchievementSoundVolume) * Volume100ToMultiplier(g_Config.iGameVolume);
+			float achievementVolume = Volume100ToMultiplier(g_Config.iAchievementVolume);
 			// TODO: Handle this some nicer way.
 			if (!strcmp(value, "achievement_unlocked")) {
 				g_BackgroundAudio.SFX().Play(UI::UISound::ACHIEVEMENT_UNLOCKED, achievementVolume);

diff --git a/UI/GameSettingsScreen.cpp b/UI/GameSettingsScreen.cpp
@@ -58,6 +58,7 @@
 #include "UI/RetroAchievementScreens.h"
 #include "UI/OnScreenDisplay.h"
 #include "UI/DiscordIntegration.h"
+#include "UI/BackgroundAudio.h"
 
 #include "Common/File/FileUtil.h"
 #include "Common/File/AndroidContentURI.h"
@@ -656,11 +657,13 @@ void GameSettingsScreen::CreateAudioSettings(UI::ViewGroup *audioSettings) {
 	// This is here because it now only applies to in-game. Muting the menu sounds is separate.
 	CheckBox *enableSound = audioSettings->Add(new CheckBox(&g_Config.bEnableSound, a->T("Enable Sound")));
 
-	PopupSliderChoice *volume = audioSettings->Add(new PopupSliderChoice(&g_Config.iGameVolume, VOLUME_OFF, VOLUME_FULL, VOLUME_FULL, a->T("Game volume"), screenManager()));
+	PopupSliderChoice *volume = audioSettings->Add(new PopupSliderChoice(&g_Config.iGameVolume, VOLUME_OFF, VOLUMEHI_FULL, VOLUMEHI_FULL, a->T("Game volume"), screenManager()));
+	volume->SetFormat("%d%%");
 	volume->SetEnabledPtr(&g_Config.bEnableSound);
 	volume->SetZeroLabel(a->T("Mute"));
 
-	PopupSliderChoice *reverbVolume = audioSettings->Add(new PopupSliderChoice(&g_Config.iReverbVolume, VOLUME_OFF, 2 * VOLUME_FULL, VOLUME_FULL, a->T("Reverb volume"), screenManager()));
+	PopupSliderChoice *reverbVolume = audioSettings->Add(new PopupSliderChoice(&g_Config.iReverbVolume, VOLUME_OFF, 2 * VOLUMEHI_FULL, VOLUMEHI_FULL, a->T("Reverb volume"), screenManager()));
+	reverbVolume->SetFormat("%d%%");
 	reverbVolume->SetEnabledPtr(&g_Config.bEnableSound);
 	reverbVolume->SetZeroLabel(a->T("Disabled"));
 
@@ -669,9 +672,17 @@ void GameSettingsScreen::CreateAudioSettings(UI::ViewGroup *audioSettings) {
 	altVolume->SetEnabledPtr(&g_Config.bEnableSound);
 	altVolume->SetZeroLabel(a->T("Mute"));
 
-	PopupSliderChoice *achievementVolume = audioSettings->Add(new PopupSliderChoice(&g_Config.iAchievementSoundVolume, VOLUME_OFF, VOLUME_FULL, VOLUME_FULL, ac->T("Achievement sound volume"), screenManager()));
+	PopupSliderChoice *achievementVolume = audioSettings->Add(new PopupSliderChoice(&g_Config.iAchievementVolume, VOLUME_OFF, VOLUMEHI_FULL, MultiplierToVolume100(0.6f), ac->T("Achievement sound volume"), screenManager()));
+	achievementVolume->SetFormat("%d%%");
 	achievementVolume->SetEnabledPtr(&g_Config.bEnableSound);
 	achievementVolume->SetZeroLabel(a->T("Mute"));
+	achievementVolume->SetLiveUpdate(true);
+	achievementVolume->OnChange.Add([](UI::EventParams &e) {
+		// Audio preview
+		float achievementVolume = Volume100ToMultiplier(g_Config.iAchievementVolume);
+		g_BackgroundAudio.SFX().Play(UI::UISound::ACHIEVEMENT_UNLOCKED, achievementVolume);
+		return UI::EVENT_DONE;
+	});
 
 	audioSettings->Add(new ItemHeader(a->T("UI sound")));
 
@@ -691,8 +702,7 @@ void GameSettingsScreen::CreateAudioSettings(UI::ViewGroup *audioSettings) {
 #if PPSSPP_PLATFORM(WINDOWS) && !PPSSPP_PLATFORM(UWP)
 	if (IsVistaOrHigher()) {
 		static const char *backend[] = { "Auto", "DSound (compatible)", "WASAPI (fast)" };
-		PopupMultiChoice *audioBackend = audioSettings->Add(new PopupMultiChoice(&g_Config.iAudioBackend, a->T("Audio backend", "Audio backend (restart req.)"), backend, 0, ARRAY_SIZE(backend), I18NCat::AUDIO, screenManager()));
-		audioBackend->SetEnabledPtr(&g_Config.bEnableSound);
+		audioSettings->Add(new PopupMultiChoice(&g_Config.iAudioBackend, a->T("Audio backend", "Audio backend (restart req.)"), backend, 0, ARRAY_SIZE(backend), I18NCat::AUDIO, screenManager()));
 	}
 #endif
 
@@ -712,7 +722,6 @@ void GameSettingsScreen::CreateAudioSettings(UI::ViewGroup *audioSettings) {
 
 #if PPSSPP_PLATFORM(ANDROID)
 	CheckBox *extraAudio = audioSettings->Add(new CheckBox(&g_Config.bExtraAudioBuffering, a->T("AudioBufferingForBluetooth", "Bluetooth-friendly buffer (slower)")));
-	extraAudio->SetEnabledPtr(&g_Config.bEnableSound);
 
 	// Show OpenSL debug info
 	const std::string audioErrorStr = AndroidAudio_GetErrorString(g_audioState);

diff --git a/UI/RetroAchievementScreens.cpp b/UI/RetroAchievementScreens.cpp
@@ -36,7 +36,7 @@ AudioFileChooser::AudioFileChooser(RequesterToken token, std::string *value, std
 		layoutParams_->height = ITEM_HEIGHT;
 	}
 	Add(new Choice(ImageID("I_PLAY"), new LinearLayoutParams(ITEM_HEIGHT, ITEM_HEIGHT)))->OnClick.Add([=](UI::EventParams &) {
-		float achievementVolume = g_Config.iAchievementSoundVolume * 0.1f;
+		float achievementVolume = Volume100ToMultiplier(g_Config.iAchievementVolume);
 		g_BackgroundAudio.SFX().Play(sound_, achievementVolume);
 		return UI::EVENT_DONE;
 	});
@@ -363,9 +363,10 @@ void RetroAchievementsSettingsScreen::CreateCustomizeTab(UI::ViewGroup *viewGrou
 		viewGroup->Add(new AudioFileChooser(GetRequesterToken(), &g_Config.sAchievementsUnlockAudioFile, ac->T("Achievement unlocked"), UISound::ACHIEVEMENT_UNLOCKED));
 		viewGroup->Add(new AudioFileChooser(GetRequesterToken(), &g_Config.sAchievementsLeaderboardSubmitAudioFile, ac->T("Leaderboard score submission"), UISound::LEADERBOARD_SUBMITTED));
 	}
-	PopupSliderChoice *volume = viewGroup->Add(new PopupSliderChoice(&g_Config.iAchievementSoundVolume, VOLUME_OFF, VOLUME_FULL, VOLUME_FULL, ac->T("Achievement sound volume"), screenManager()));
-	volume->SetEnabledPtr(&g_Config.bEnableSound);
-	volume->SetZeroLabel(a->T("Mute"));
+	PopupSliderChoice *achievementVolume = viewGroup->Add(new PopupSliderChoice(&g_Config.iAchievementVolume, VOLUME_OFF, VOLUMEHI_FULL, MultiplierToVolume100(0.6f), ac->T("Achievement sound volume"), screenManager()));
+	achievementVolume->SetFormat("%d%%");
+	achievementVolume->SetEnabledPtr(&g_Config.bEnableSound);
+	achievementVolume->SetZeroLabel(a->T("Mute"));
 
 	static const char *positions[] = { "None", "Bottom Left", "Bottom Center", "Bottom Right", "Top Left", "Top Center", "Top Right", "Center Left", "Center Right" };
 

diff --git a/headless/Headless.cpp b/headless/Headless.cpp
@@ -527,8 +527,8 @@ int main(int argc, const char* argv[])
 	g_Config.sMACAddress = "12:34:56:78:9A:BC";
 	g_Config.iFirmwareVersion = PSP_DEFAULT_FIRMWARE;
 	g_Config.iPSPModel = PSP_MODEL_SLIM;
-	g_Config.iGameVolume = VOLUME_FULL;
-	g_Config.iReverbVolume = VOLUME_FULL;
+	g_Config.iGameVolume = VOLUMEHI_FULL;
+	g_Config.iReverbVolume = VOLUMEHI_FULL;
 	g_Config.internalDataDirectory.clear();
 	g_Config.bUseExperimentalAtrac = newAtrac;
 

diff --git a/unittest/UnitTest.cpp b/unittest/UnitTest.cpp
@@ -1218,6 +1218,20 @@ bool TestCrossSIMD() {
 	return true;
 }
 
+bool TestVolumeFunc() {
+	for (int i = 0; i <= 20; i++) {
+		float mul = Volume10ToMultiplier(i);
+
+		int vol100 = MultiplierToVolume100(mul);
+		float mul2 = Volume100ToMultiplier(vol100);
+
+		bool smaller = (fabsf(mul2 - mul) < 0.02f);
+		EXPECT_TRUE(smaller);
+		// printf("%d -> %f -> %d -> %f\n", i, mul, vol100, mul2);
+	}
+	return true;
+}
+
 typedef bool (*TestFunc)();
 struct TestItem {
 	const char *name;
@@ -1282,6 +1296,7 @@ TestItem availableTests[] = {
 	TEST_ITEM(Buffer),
 	TEST_ITEM(SIMD),
 	TEST_ITEM(CrossSIMD),
+	TEST_ITEM(VolumeFunc),
 };
 
 int main(int argc, const char *argv[]) {