Add methods to get and set presets on a soundfont

2 files changed, 101 insertions, 2 deletions

diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h
index 79ccdb60..d5730007 100644
--- a/OpenAL32/Include/alMain.h
+++ b/OpenAL32/Include/alMain.h
@@ -33,6 +33,8 @@
 #define AL_MIDI_GAIN_SOFT                        0x9998
 #define AL_MIDI_PRESET_SOFT                      0x9997
 #define AL_MIDI_BANK_SOFT                        0x9996
+#define AL_PRESETS_SIZE_SOFT                     0x9995
+#define AL_PRESETS_SOFT                          0x9994
 #define AL_NOTEOFF_SOFT                          0x0080
 #define AL_NOTEON_SOFT                           0x0090
 #define AL_AFTERTOUCH_SOFT                       0x00A0
@@ -46,6 +48,8 @@ typedef ALboolean (AL_APIENTRY*LPALISSOUNDFONTSOFT)(ALuint id);
 typedef void (AL_APIENTRY*LPALSOUNDFONTSAMPLESSOFT)(ALuint sfid, ALenum type, ALsizei count, const ALvoid *samples);
 typedef ALvoid* (AL_APIENTRY*LPALSOUNDFONTMAPSAMPLESSOFT)(ALuint sfid, ALsizei offset, ALsizei length);
 typedef void (AL_APIENTRY*LPALSOUNDFONTUNMAPSAMPLESSOFT)(ALuint sfid);
+typedef void (AL_APIENTRY*LPALGETSOUNDFONTIVSOFT)(ALuint id, ALenum param, ALint *values);
+typedef void (AL_APIENTRY*LPALSOUNDFONTPRESETSSOFT)(ALuint id, ALsizei count, const ALuint *pids);
 typedef void (AL_APIENTRY*LPALGENPRESETSSOFT)(ALsizei n, ALuint *ids);
 typedef void (AL_APIENTRY*LPALDELETEPRESETSSOFT)(ALsizei n, const ALuint *ids);
 typedef ALboolean (AL_APIENTRY*LPALISPRESETSOFT)(ALuint id);
@@ -69,9 +73,11 @@ typedef void (AL_APIENTRY*LPALGETINTEGER64VSOFT)(ALenum pname, ALint64SOFT *valu
 AL_API void AL_APIENTRY alGenSoundfontsSOFT(ALsizei n, ALuint *ids);
 AL_API void AL_APIENTRY alDeleteSoundfontsSOFT(ALsizei n, const ALuint *ids);
 AL_API ALboolean AL_APIENTRY alIsSoundfontSOFT(ALuint id);
-AL_API ALvoid AL_APIENTRY alSoundfontSamplesSOFT(ALuint sfid, ALenum type, ALsizei count, const ALvoid *samples);
+AL_API void AL_APIENTRY alSoundfontSamplesSOFT(ALuint sfid, ALenum type, ALsizei count, const ALvoid *samples);
 AL_API ALvoid* AL_APIENTRY alSoundfontMapSamplesSOFT(ALuint sfid, ALsizei offset, ALsizei length);
-AL_API ALvoid AL_APIENTRY alSoundfontUnmapSamplesSOFT(ALuint sfid);
+AL_API void AL_APIENTRY alSoundfontUnmapSamplesSOFT(ALuint sfid);
+AL_API void AL_APIENTRY alGetSoundfontivSOFT(ALuint id, ALenum param, ALint *values);
+AL_API void AL_APIENTRY alSoundfontPresetsSOFT(ALuint id, ALsizei count, const ALuint *pids);
 
 AL_API void AL_APIENTRY alGenPresetsSOFT(ALsizei n, ALuint *ids);
 AL_API void AL_APIENTRY alDeletePresetsSOFT(ALsizei n, const ALuint *ids);
diff --git a/OpenAL32/alSoundfont.c b/OpenAL32/alSoundfont.c
index 12f89094..1ccb7b69 100644
--- a/OpenAL32/alSoundfont.c
+++ b/OpenAL32/alSoundfont.c
@@ -207,6 +207,99 @@ done:
     ALCcontext_DecRef(context);
 }
 
+AL_API void AL_APIENTRY alGetSoundfontivSOFT(ALuint id, ALenum param, ALint *values)
+{
+    ALCdevice *device;
+    ALCcontext *context;
+    ALsoundfont *sfont;
+    ALsizei i;
+
+    context = GetContextRef();
+    if(!context) return;
+
+    device = context->Device;
+    if(!(sfont=LookupSfont(device, id)))
+        SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
+    switch(param)
+    {
+        case AL_PRESETS_SIZE_SOFT:
+            values[0] = sfont->NumPresets;
+            break;
+
+        case AL_PRESETS_SOFT:
+            for(i = 0;i < sfont->NumPresets;i++)
+                values[i] = sfont->Presets[i]->id;
+            break;
+
+        default:
+            SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
+    }
+
+done:
+    ALCcontext_DecRef(context);
+}
+
+AL_API void AL_APIENTRY alSoundfontPresetsSOFT(ALuint id, ALsizei count, const ALuint *pids)
+{
+    ALCdevice *device;
+    ALCcontext *context;
+    ALsoundfont *sfont;
+    ALsfpreset **presets;
+    ALsizei i;
+
+    context = GetContextRef();
+    if(!context) return;
+
+    device = context->Device;
+    if(!(sfont=LookupSfont(device, id)))
+        SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
+    if(count < 0)
+        SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
+
+    WriteLock(&sfont->Lock);
+    if(sfont->ref != 0)
+    {
+        WriteUnlock(&sfont->Lock);
+        SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
+    }
+
+    if(count == 0)
+        presets = NULL;
+    else
+    {
+        presets = calloc(count, sizeof(presets[0]));
+        if(!presets)
+        {
+            WriteUnlock(&sfont->Lock);
+            SET_ERROR_AND_GOTO(context, AL_OUT_OF_MEMORY, done);
+        }
+
+        for(i = 0;i < count;i++)
+        {
+            if(!(presets[i]=LookupPreset(device, pids[i])))
+            {
+                WriteUnlock(&sfont->Lock);
+                SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
+            }
+        }
+    }
+
+    for(i = 0;i < count;i++)
+        IncrementRef(&presets[i]->ref);
+
+    presets = ExchangePtr((XchgPtr*)&sfont->Presets, presets);
+    count = ExchangeInt(&sfont->NumPresets, count);
+
+    for(i = 0;i < count;i++)
+        DecrementRef(&presets[i]->ref);
+    free(presets);
+
+    WriteUnlock(&sfont->Lock);
+
+done:
+    ALCcontext_DecRef(context);
+}
+
 
 /* ReleaseALSoundfonts
  *