Add filter properties

Alc/midi/base.c

@@ -299,6 +299,11 @@ void ALfontsound_Construct(ALfontsound *self)
     self->VibratoLfoToPitch = 0;
     self->ModEnvToPitch = 0;
 
+    self->FilterCutoff = 13500;
+    self->FilterQ = 0;
+    self->ModLfoToFilterCutoff = 0;
+    self->ModEnvToFilterCutoff = 0;
+
     self->ModEnv.DelayTime = -12000;
     self->ModEnv.AttackTime = -12000;
     self->ModEnv.HoldTime = -12000;

Alc/midi/fluidsynth.c

@@ -166,6 +166,10 @@ static int FPreset_noteOn(fluid_preset_t *preset, fluid_synth_t *synth, int chan
         fluid_voice_gen_set(voice,  5, sound->ModLfoToPitch);
         fluid_voice_gen_set(voice,  6, sound->VibratoLfoToPitch);
         fluid_voice_gen_set(voice,  7, sound->ModEnvToPitch);
+        fluid_voice_gen_set(voice,  8, sound->FilterCutoff);
+        fluid_voice_gen_set(voice,  9, sound->FilterQ);
+        fluid_voice_gen_set(voice, 10, sound->ModLfoToFilterCutoff);
+        fluid_voice_gen_set(voice, 11, sound->ModEnvToFilterCutoff);
         fluid_voice_gen_set(voice, 25, sound->ModEnv.DelayTime);
         fluid_voice_gen_set(voice, 26, sound->ModEnv.AttackTime);
         fluid_voice_gen_set(voice, 27, sound->ModEnv.HoldTime);

Alc/midi/sf2load.c

@@ -802,10 +802,10 @@ static void fillZone(ALuint id, const GenModList *zone)
         AL_MOD_LFO_TO_PITCH_SOFT, /* 5 - modLfoToPitch */
         AL_VIBRATO_LFO_TO_PITCH_SOFT, /* 6 - vibLfoToPitch */
         AL_MOD_ENV_TO_PITCH_SOFT, /* 7 - modEnvToPitch */
-        0, /* 8 - initialFilterFc */
-        0, /* 9 - initialFilterQ */
-        0, /* 10 - modLfoToFilterFc */
-        0, /* 11 - modEnvToFilterFc */
+        AL_FILTER_CUTOFF_SOFT, /* 8 - initialFilterFc */
+        AL_FILTER_RESONANCE_SOFT, /* 9 - initialFilterQ */
+        AL_MOD_LFO_TO_FILTER_CUTOFF_SOFT, /* 10 - modLfoToFilterFc */
+        AL_MOD_ENV_TO_FILTER_CUTOFF_SOFT, /* 11 - modEnvToFilterFc */
         0, /* 12 - endAddrCoarseOffset */
         0, /* 13 - modLfoToVolume */
         0, /* 14 -  */
@@ -895,7 +895,9 @@ static void fillZone(ALuint id, const GenModList *zone)
                     ALint value = (ALshort)gen->mAmount;
                     if(param == AL_BASE_KEY_SOFT && value == -1)
                         break;
-                    if(param == AL_LOOP_MODE_SOFT && value == 2)
+                    if(param == AL_FILTER_RESONANCE_SOFT && value < 0)
+                        value = 0;
+                    else if(param == AL_LOOP_MODE_SOFT && value == 2)
                         value = 0;
                     alFontsoundiSOFT(id, param, value);
                 }

OpenAL32/Include/alMain.h

@@ -51,6 +51,10 @@
 #define AL_MOD_LFO_TO_PITCH_SOFT                 0x0005
 #define AL_VIBRATO_LFO_TO_PITCH_SOFT             0x0006
 #define AL_MOD_ENV_TO_PITCH_SOFT                 0x0007
+#define AL_FILTER_CUTOFF_SOFT                    0x0008
+#define AL_FILTER_RESONANCE_SOFT                 0x0009
+#define AL_MOD_LFO_TO_FILTER_CUTOFF_SOFT         0x000A
+#define AL_MOD_ENV_TO_FILTER_CUTOFF_SOFT         0x000B
 #define AL_MOD_ENV_DELAYTIME_SOFT                0x0019
 #define AL_MOD_ENV_ATTACKTIME_SOFT               0x001A
 #define AL_MOD_ENV_HOLDTIME_SOFT                 0x001B

OpenAL32/Include/alMidi.h

@@ -27,6 +27,11 @@ typedef struct ALfontsound {
     ALint VibratoLfoToPitch;
     ALint ModEnvToPitch;
 
+    ALint FilterCutoff;
+    ALint FilterQ;
+    ALint ModLfoToFilterCutoff;
+    ALint ModEnvToFilterCutoff;
+
     struct {
         ALint DelayTime;
         ALint AttackTime;

OpenAL32/alFontsound.c

@@ -142,6 +142,24 @@ AL_API void AL_APIENTRY alFontsoundiSOFT(ALuint id, ALenum param, ALint value)
             sound->ModEnvToPitch = value;
             break;
 
+        case AL_FILTER_CUTOFF_SOFT:
+            sound->FilterCutoff = value;
+            break;
+
+        case AL_FILTER_RESONANCE_SOFT:
+            if(!(value >= 0))
+                SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
+            sound->FilterQ = value;
+            break;
+
+        case AL_MOD_LFO_TO_FILTER_CUTOFF_SOFT:
+            sound->ModLfoToFilterCutoff = value;
+            break;
+
+        case AL_MOD_ENV_TO_FILTER_CUTOFF_SOFT:
+            sound->ModEnvToFilterCutoff = value;
+            break;
+
         case AL_MOD_ENV_DELAYTIME_SOFT:
             sound->ModEnv.DelayTime = value;
             break;
@@ -315,6 +333,10 @@ AL_API void AL_APIENTRY alFontsoundivSOFT(ALuint id, ALenum param, const ALint *
         case AL_MOD_LFO_TO_PITCH_SOFT:
         case AL_VIBRATO_LFO_TO_PITCH_SOFT:
         case AL_MOD_ENV_TO_PITCH_SOFT:
+        case AL_FILTER_CUTOFF_SOFT:
+        case AL_FILTER_RESONANCE_SOFT:
+        case AL_MOD_LFO_TO_FILTER_CUTOFF_SOFT:
+        case AL_MOD_ENV_TO_FILTER_CUTOFF_SOFT:
         case AL_MOD_ENV_DELAYTIME_SOFT:
         case AL_MOD_ENV_ATTACKTIME_SOFT:
         case AL_MOD_ENV_HOLDTIME_SOFT:
@@ -389,6 +411,22 @@ AL_API void AL_APIENTRY alGetFontsoundivSOFT(ALuint id, ALenum param, ALint *val
             values[0] = sound->ModEnvToPitch;
             break;
 
+        case AL_FILTER_CUTOFF_SOFT:
+            values[0] = sound->FilterCutoff;
+            break;
+
+        case AL_FILTER_RESONANCE_SOFT:
+            values[0] = sound->FilterQ;
+            break;
+
+        case AL_MOD_LFO_TO_FILTER_CUTOFF_SOFT:
+            values[0] = sound->ModLfoToFilterCutoff;
+            break;
+
+        case AL_MOD_ENV_TO_FILTER_CUTOFF_SOFT:
+            values[0] = sound->ModEnvToFilterCutoff;
+            break;
+
         case AL_MOD_ENV_DELAYTIME_SOFT:
             values[0] = sound->ModEnv.DelayTime;
             break;