From 42a67731c411775fe9de5d3a05edfd10205cc70f Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Fri, 3 Jan 2014 20:21:12 -0800
Subject: Add storage for a default soundfont object

---
 Alc/ALc.c                 | 51 +++++++++++++++++++++++++++++++++++++++++++++++
 OpenAL32/Include/alMain.h |  3 +++
 OpenAL32/Include/alMidi.h |  1 +
 OpenAL32/alFontsound.c    |  4 ++--
 OpenAL32/alPreset.c       |  4 ++--
 5 files changed, 59 insertions(+), 4 deletions(-)

diff --git a/Alc/ALc.c b/Alc/ALc.c
index 08fc2719..97ac04bb 100644
--- a/Alc/ALc.c
+++ b/Alc/ALc.c
@@ -1949,6 +1949,57 @@ static ALCvoid FreeDevice(ALCdevice *device)
         DELETE_OBJ(state);
     }
 
+    if(device->DefaultSfont)
+    {
+        ALsoundfont *sfont = device->DefaultSfont;
+        ALsfpreset **presets;
+        ALsizei num_presets;
+        ALsizei i;
+
+        presets = ExchangePtr((XchgPtr*)&sfont->Presets, NULL);
+        num_presets = ExchangeInt(&sfont->NumPresets, 0);
+
+        for(i = 0;i < num_presets;i++)
+        {
+            ALsfpreset *preset = presets[i];
+            ALfontsound **sounds;
+            ALsizei num_sounds;
+            ALboolean deleting;
+            ALsizei j;
+
+            sounds = ExchangePtr((XchgPtr*)&preset->Sounds, NULL);
+            num_sounds = ExchangeInt(&preset->NumSounds, 0);
+            DeletePreset(preset, device);
+            preset = NULL;
+
+            for(j = 0;j < num_sounds;j++)
+                DecrementRef(&sounds[j]->ref);
+            /* Some fontsounds may not be immediately deletable because they're
+             * linked to another fontsound. When those fontsounds are deleted
+             * they should become deletable, so use a loop until all fontsounds
+             * are deleted. */
+            do {
+                deleting = AL_FALSE;
+                for(j = 0;j < num_sounds;j++)
+                {
+                    if(sounds[j] && sounds[j]->ref == 0)
+                    {
+                        deleting = AL_TRUE;
+                        RemoveFontsound(device, sounds[j]->id);
+                        ALfontsound_Destruct(sounds[j]);
+                        free(sounds[j]);
+                        sounds[j] = NULL;
+                    }
+                }
+            } while(deleting);
+            free(sounds);
+        }
+
+        ALsoundfont_Destruct(sfont);
+        free(sfont);
+    }
+    device->DefaultSfont = NULL;
+
     if(device->BufferMap.size > 0)
     {
         WARN("(%p) Deleting %d Buffer(s)\n", device, device->BufferMap.size);
diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h
index b4966028..cf843919 100644
--- a/OpenAL32/Include/alMain.h
+++ b/OpenAL32/Include/alMain.h
@@ -545,6 +545,9 @@ struct ALCdevice_struct
     // Map of Fontsounds for this device
     UIntMap FontsoundMap;
 
+    /* Default soundfont (accessible as ID 0) */
+    struct ALsoundfont *DefaultSfont;
+
     /* MIDI synth engine */
     struct MidiSynth *Synth;
 
diff --git a/OpenAL32/Include/alMidi.h b/OpenAL32/Include/alMidi.h
index e452a732..998f6e92 100644
--- a/OpenAL32/Include/alMidi.h
+++ b/OpenAL32/Include/alMidi.h
@@ -94,6 +94,7 @@ typedef struct ALfontsound {
     ALuint id;
 } ALfontsound;
 
+void ALfontsound_Destruct(ALfontsound *self);
 void ALfontsound_setPropi(ALfontsound *self, ALCcontext *context, ALenum param, ALint value);
 
 ALfontsound *NewFontsound(ALCcontext *context);
diff --git a/OpenAL32/alFontsound.c b/OpenAL32/alFontsound.c
index 4ec74ebc..540f726b 100644
--- a/OpenAL32/alFontsound.c
+++ b/OpenAL32/alFontsound.c
@@ -16,7 +16,7 @@ extern inline struct ALfontsound *LookupFontsound(ALCdevice *device, ALuint id);
 extern inline struct ALfontsound *RemoveFontsound(ALCdevice *device, ALuint id);
 
 static void ALfontsound_Construct(ALfontsound *self);
-static void ALfontsound_Destruct(ALfontsound *self);
+void ALfontsound_Destruct(ALfontsound *self);
 void ALfontsound_setPropi(ALfontsound *self, ALCcontext *context, ALenum param, ALint value);
 
 
@@ -541,7 +541,7 @@ static void ALfontsound_Construct(ALfontsound *self)
     self->id = 0;
 }
 
-static void ALfontsound_Destruct(ALfontsound *self)
+void ALfontsound_Destruct(ALfontsound *self)
 {
     ALsizei i;
 
diff --git a/OpenAL32/alPreset.c b/OpenAL32/alPreset.c
index 976e45f9..4188bf6c 100644
--- a/OpenAL32/alPreset.c
+++ b/OpenAL32/alPreset.c
@@ -16,7 +16,7 @@ extern inline struct ALsfpreset *LookupPreset(ALCdevice *device, ALuint id);
 extern inline struct ALsfpreset *RemovePreset(ALCdevice *device, ALuint id);
 
 static void ALsfpreset_Construct(ALsfpreset *self);
-static void ALsfpreset_Destruct(ALsfpreset *self);
+void ALsfpreset_Destruct(ALsfpreset *self);
 
 
 AL_API void AL_APIENTRY alGenPresetsSOFT(ALsizei n, ALuint *ids)
@@ -307,7 +307,7 @@ static void ALsfpreset_Construct(ALsfpreset *self)
     self->id = 0;
 }
 
-static void ALsfpreset_Destruct(ALsfpreset *self)
+void ALsfpreset_Destruct(ALsfpreset *self)
 {
     ALsizei i;
 
-- 
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