- Fixed: After starting new music the music volume has to be reset so that

the song's relative volume takes effect.
- Removed the arbitrary 1024 bytes limit when the file being played is a MIDI
  file. I had a D_DM2TTL that's only 990 bytes.
- Restructured I_RegisterSong so that $mididevice works again and also supports
  selecting FMOD.


SVN r857 (trunk)

docs/rh-log.txt

@@ -1,4 +1,10 @@
 March 26, 2008 (Changes by Graf Zahl)
+- Fixed: After starting new music the music volume has to be reset so that
+  the song's relative volume takes effect.
+- Removed the arbitrary 1024 bytes limit when the file being played is a MIDI
+  file. I had a D_DM2TTL that's only 990 bytes.
+- Restructured I_RegisterSong so that $mididevice works again and also supports
+  selecting FMOD.
 - Added Jim' Linux fix.
 - Added MartinHowe's fix for mugshot display in status bars.
 

src/s_advsound.cpp

@@ -1261,10 +1261,11 @@ static void S_AddSNDINFO (int lump)
 				sc.MustGetString();
 				FName nm = sc.String;
 				sc.MustGetString();
-				if (sc.Compare("timidity")) MidiDevices[nm] = 1;
-				else if (sc.Compare("standard")) MidiDevices[nm] = 0;
-				else if (sc.Compare("opl")) MidiDevices[nm] = 2;
-				else if (sc.Compare("default")) MidiDevices[nm] = -1;
+				if (sc.Compare("timidity")) MidiDevices[nm] = MDEV_TIMIDITY;
+				else if (sc.Compare("fmod")) MidiDevices[nm] = MDEV_FMOD;
+				else if (sc.Compare("standard")) MidiDevices[nm] = MDEV_MMAPI;
+				else if (sc.Compare("opl")) MidiDevices[nm] = MDEV_OPL;
+				else if (sc.Compare("default")) MidiDevices[nm] = MDEV_DEFAULT;
 				else sc.ScriptError("Unknown MIDI device %s\n", sc.String);
 				}
 				break;

src/s_sound.cpp

@@ -1307,7 +1307,7 @@ bool S_ChangeMusic (const char *musicname, int order, bool looping, bool force)
 	{
 		int lumpnum = -1;
 		int offset, length;
-		int device = -1;
+		int device = MDEV_DEFAULT;
 	
 
 		int *devp = MidiDevices.CheckKey(FName(musicname));

src/s_sound.h

@@ -311,6 +311,15 @@ ReverbContainer *S_FindEnvironment (const char *name);
 ReverbContainer *S_FindEnvironment (int id);
 void S_AddEnvironment (ReverbContainer *settings);
 
+enum EMidiDevice
+{
+	MDEV_DEFAULT = -1,
+	MDEV_MMAPI = 0,
+	MDEV_TIMIDITY = 1,
+	MDEV_OPL = 2,
+	MDEV_FMOD = 3,
+};
+
 typedef TMap<FName, int> MidiDeviceMap;
 
 extern MidiDeviceMap MidiDevices;

src/sound/i_music.cpp

@@ -192,6 +192,9 @@ void I_PlaySong (void *handle, int _looping, float rel_vol)
 		currSong = info;
 	else
 		currSong = NULL;
+		
+	// Notify the sound system of the changed relative volume
+	snd_musicvolume.Callback();
 }
 
 
@@ -275,33 +278,51 @@ void *I_RegisterSong (const char *filename, char *musiccache, int offset, int le
 		memcpy(&id, &musiccache[0], 4);
 	}
 
+#ifndef _WIN32
+	// non-windows platforms don't support MDEV_MIDI so map to MDEV_FMOD
+	if (device == MDEV_MMAPI) device = MDEV_FMOD;
+#endif
+
+
 	// Check for MUS format
 	if (id == MAKE_ID('M','U','S',0x1a))
 	{
-		if (GSnd != NULL && device != 0 && device != 1 && (opl_enable || device == 2) )
+		if (GSnd != NULL)
+		{
+			/*	MUS are played as:
+			- OPL: 
+				- if explicitly selected by $mididevice 
+				- when opl_enable is true and no midi device is set for the song
+
+			  Timidity: 
+				- if explicitly selected by $mididevice 
+				- when snd_mididevice  is -2 and no midi device is set for the song
+
+			  FMod:
+				- if explicitly selected by $mididevice 
+				- when snd_mididevice  is -1 and no midi device is set for the song
+				- as fallback when both OPL and Timidity failed unless snd_mididevice is >= 0
+
+			  MMAPI (Win32 only):
+				- if explicitly selected by $mididevice (non-Win32 redirects this to FMOD)
+				- when snd_mididevice  is >= 0 and no midi device is set for the song
+				- as fallback when both OPL and Timidity failed and snd_mididevice is >= 0
+			*/
+			if ((opl_enable && device == MDEV_DEFAULT) || device == MDEV_OPL)
 			{
 				info = new OPLMUSSong (file, musiccache, len);
 			}
-		if (info == NULL)
-		{
-#ifdef _WIN32
-			if (device == 1 && GSnd != NULL)
+			else if (device == MDEV_TIMIDITY || (device == MDEV_DEFAULT && snd_mididevice == -2))
 			{
 				info = new TimiditySong (file, musiccache, len);
-				if (!info->IsValid())
+			}
+			if (info != NULL && !info->IsValid())
 			{
 				delete info;
 				info = NULL;
+				device = MDEV_DEFAULT;
 			}
-			}
-			if (info == NULL && (snd_mididevice >= 0 || device == 0))
-			{
-				info = new MUSSong2 (file, musiccache, len);
-			}
-			else if (info == NULL && GSnd != NULL)
-#endif // _WIN32
-			{
-				if (snd_mididevice == -1)
+			if (info == NULL && (snd_mididevice == -1 || device == MDEV_FMOD) && device != MDEV_MMAPI)
 			{
 				TArray<BYTE> midi;
 				bool midi_made = false;
@@ -323,9 +344,11 @@ void *I_RegisterSong (const char *filename, char *musiccache, int offset, int le
 				}
 				if (midi_made)
 				{
+					/*
 					FILE *f = fopen("latest.mid", "wb");
 					fwrite(&midi[0], 1, midi.Size(), f);
 					fclose(f);
+					*/
 					info = new StreamSong((char *)&midi[0], -1, midi.Size());
 					if (!info->IsValid())
 					{
@@ -334,39 +357,56 @@ void *I_RegisterSong (const char *filename, char *musiccache, int offset, int le
 					}
 				}
 			}
+		}
+#ifdef _WIN32
 		if (info == NULL)
 		{
-					info = new TimiditySong (file, musiccache, len);
-				}
-			}
+			info = new MUSSong2 (file, musiccache, len);
 		}
+#endif // _WIN32
 	}
 	// Check for MIDI format
-	else if (id == MAKE_ID('M','T','h','d'))
+	else 
+	{
+
+		if (id == MAKE_ID('M','T','h','d'))
 		{
 			// This is a midi file
-#ifdef _WIN32
-		if (device == 1 && GSnd != NULL)
+			// MIDI can't be played with OPL so use default.
+			if (device == MDEV_OPL) device = MDEV_DEFAULT;
+
+			/*	MIDI are played as:
+			  Timidity: 
+				- if explicitly selected by $mididevice 
+				- when snd_mididevice  is -2 and no midi device is set for the song
+
+			  FMod:
+				- if explicitly selected by $mididevice 
+				- when snd_mididevice  is -1 and no midi device is set for the song
+				- as fallback when Timidity failed unless snd_mididevice is >= 0
+
+			  MMAPI (Win32 only):
+				- if explicitly selected by $mididevice (non-Win32 redirects this to FMOD)
+				- when snd_mididevice  is >= 0 and no midi device is set for the song
+				- as fallback when Timidity failed and snd_mididevice is >= 0
+			*/
+
+			if ((device == MDEV_TIMIDITY || (snd_mididevice == -2 && device == MDEV_DEFAULT)) && GSnd != NULL)
 			{
 				info = new TimiditySong (file, musiccache, len);
 				if (!info->IsValid())
 				{
 					delete info;
 					info = NULL;
+					device = MDEV_DEFAULT;
 				}
 			}
-		else if (info == NULL && (snd_mididevice >= 0 || device == 0))
+#ifdef _WIN32
+			if (info == NULL && device != MDEV_FMOD && (snd_mididevice >= 0 || device == MDEV_MMAPI))
 			{
 				info = new MIDISong2 (file, musiccache, len);
 			}
-		else if (info == NULL && GSnd != NULL)
 #endif // _WIN32
-		{
-			if (snd_mididevice != -1)
-			{
-				info = new TimiditySong (file, musiccache, len);
-			}
-		}
 		}
 		// Check for RDosPlay raw OPL format
 		else if (id == MAKE_ID('R','A','W','A') && len >= 12)
@@ -415,6 +455,7 @@ void *I_RegisterSong (const char *filename, char *musiccache, int offset, int le
 				info = new OPLMUSSong (file, musiccache, len);
 			}
 		}
+	}
 
 	if (info == NULL)
 	{
@@ -445,7 +486,8 @@ void *I_RegisterSong (const char *filename, char *musiccache, int offset, int le
 		// 1024 bytes is an arbitrary restriction. It's assumed that anything
 		// smaller than this can't possibly be a valid music file if it hasn't
 		// been identified already, so don't even bother trying to load it.
-		if (info == NULL && GSnd != NULL && len >= 1024)
+		// Of course MIDIs shorter than 1024 bytes should pass.
+		if (info == NULL && GSnd != NULL && (len >= 1024 || id == MAKE_ID('M','T','h','d')))
 		{
 			// Let FMOD figure out what it is.
 			if (file != NULL)
@@ -457,6 +499,7 @@ void *I_RegisterSong (const char *filename, char *musiccache, int offset, int le
 		}
 	}
 
+
 	if (info && !info->IsValid ())
 	{
 		delete info;