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authorChris Robinson <[email protected]>2014-01-06 07:07:34 -0800
committerChris Robinson <[email protected]>2014-01-06 13:07:12 -0800
commitcf66516a27086e35a2caa0049fc47334516a7f7f (patch)
treee82f72c0824a6c75d3f2e0b64f183207ecfdaea1 /Alc/midi/fluidsynth.c
parent4079ee2200f5ee9fdfd2c068085cff99dfaa5386 (diff)
Load soundfont modulators into FluidSynth
Diffstat (limited to 'Alc/midi/fluidsynth.c')
-rw-r--r--Alc/midi/fluidsynth.c102
1 files changed, 101 insertions, 1 deletions
diff --git a/Alc/midi/fluidsynth.c b/Alc/midi/fluidsynth.c
index 234de07e..1e25f9cc 100644
--- a/Alc/midi/fluidsynth.c
+++ b/Alc/midi/fluidsynth.c
@@ -28,6 +28,87 @@
#define CTRL_ALLNOTESOFF (123)
+static int getGenInput(ALenum input)
+{
+ switch(input)
+ {
+ case AL_ONE_SOFT: return FLUID_MOD_NONE;
+ case AL_NOTEON_VELOCITY_SOFT: return FLUID_MOD_VELOCITY;
+ case AL_NOTEON_KEY_SOFT: return FLUID_MOD_KEY;
+ case AL_AFTERTOUCH_SOFT: return FLUID_MOD_KEYPRESSURE;
+ case AL_CHANNELPRESSURE_SOFT: return FLUID_MOD_CHANNELPRESSURE;
+ case AL_PITCHBEND_SOFT: return FLUID_MOD_PITCHWHEEL;
+ case AL_PITCHBEND_SENSITIVITY_SOFT: return FLUID_MOD_PITCHWHEELSENS;
+ }
+ return input&0x7F;
+}
+
+static int getGenFlags(ALenum input, ALenum type, ALenum form)
+{
+ int ret = 0;
+
+ switch(type)
+ {
+ case AL_UNORM_SOFT: ret |= FLUID_MOD_UNIPOLAR | FLUID_MOD_POSITIVE; break;
+ case AL_UNORM_REV_SOFT: ret |= FLUID_MOD_UNIPOLAR | FLUID_MOD_NEGATIVE; break;
+ case AL_SNORM_SOFT: ret |= FLUID_MOD_BIPOLAR | FLUID_MOD_POSITIVE; break;
+ case AL_SNORM_REV_SOFT: ret |= FLUID_MOD_BIPOLAR | FLUID_MOD_NEGATIVE; break;
+ }
+ switch(form)
+ {
+ case AL_LINEAR_SOFT: ret |= FLUID_MOD_LINEAR; break;
+ case AL_CONCAVE_SOFT: ret |= FLUID_MOD_CONCAVE; break;
+ case AL_CONVEX_SOFT: ret |= FLUID_MOD_CONVEX; break;
+ case AL_SWITCH_SOFT: ret |= FLUID_MOD_SWITCH; break;
+ }
+ /* Source input values less than 128 correspond to a MIDI continuous
+ * controller. Otherwise, it's a general controller. */
+ if(input < 128) ret |= FLUID_MOD_CC;
+ else ret |= FLUID_MOD_GC;
+
+ return ret;
+}
+
+static int getSf2Gen(ALenum gen)
+{
+ if(gen == AL_MOD_LFO_TO_PITCH_SOFT) return 5;
+ if(gen == AL_VIBRATO_LFO_TO_PITCH_SOFT) return 6;
+ if(gen == AL_MOD_ENV_TO_PITCH_SOFT) return 7;
+ if(gen == AL_FILTER_CUTOFF_SOFT) return 8;
+ if(gen == AL_FILTER_RESONANCE_SOFT) return 9;
+ if(gen == AL_MOD_LFO_TO_FILTER_CUTOFF_SOFT) return 10;
+ if(gen == AL_MOD_ENV_TO_FILTER_CUTOFF_SOFT) return 11;
+ if(gen == AL_MOD_LFO_TO_VOLUME_SOFT) return 13;
+ if(gen == AL_CHORUS_SEND_SOFT) return 15;
+ if(gen == AL_REVERB_SEND_SOFT) return 16;
+ if(gen == AL_PAN_SOFT) return 17;
+ if(gen == AL_MOD_LFO_DELAY_SOFT) return 21;
+ if(gen == AL_MOD_LFO_FREQUENCY_SOFT) return 22;
+ if(gen == AL_VIBRATO_LFO_DELAY_SOFT) return 23;
+ if(gen == AL_VIBRATO_LFO_FREQUENCY_SOFT) return 24;
+ if(gen == AL_MOD_ENV_DELAYTIME_SOFT) return 25;
+ if(gen == AL_MOD_ENV_ATTACKTIME_SOFT) return 26;
+ if(gen == AL_MOD_ENV_HOLDTIME_SOFT) return 27;
+ if(gen == AL_MOD_ENV_DECAYTIME_SOFT) return 28;
+ if(gen == AL_MOD_ENV_SUSTAINVOLUME_SOFT) return 29;
+ if(gen == AL_MOD_ENV_RELEASETIME_SOFT) return 30;
+ if(gen == AL_MOD_ENV_KEY_TO_HOLDTIME_SOFT) return 31;
+ if(gen == AL_MOD_ENV_KEY_TO_DECAYTIME_SOFT) return 32;
+ if(gen == AL_VOLUME_ENV_DELAYTIME_SOFT) return 33;
+ if(gen == AL_VOLUME_ENV_ATTACKTIME_SOFT) return 34;
+ if(gen == AL_VOLUME_ENV_HOLDTIME_SOFT) return 35;
+ if(gen == AL_VOLUME_ENV_DECAYTIME_SOFT) return 36;
+ if(gen == AL_VOLUME_ENV_SUSTAINVOLUME_SOFT) return 37;
+ if(gen == AL_VOLUME_ENV_RELEASETIME_SOFT) return 38;
+ if(gen == AL_VOLUME_ENV_KEY_TO_HOLDTIME_SOFT) return 39;
+ if(gen == AL_VOLUME_ENV_KEY_TO_DECAYTIME_SOFT) return 40;
+ if(gen == AL_ATTENUATION_SOFT) return 48;
+ if(gen == AL_TUNING_COARSE_SOFT) return 51;
+ if(gen == AL_TUNING_FINE_SOFT) return 52;
+ if(gen == AL_TUNING_SCALE_SOFT) return 56;
+ return 0;
+}
+
typedef struct FSample {
DERIVE_FROM_TYPE(fluid_sample_t);
@@ -63,8 +144,27 @@ static void FSample_Construct(FSample *self, ALfontsound *sound, ALsoundfont *sf
self->Sound = sound;
- self->Mods = NULL;
self->NumMods = 0;
+ self->Mods = calloc(sound->ModulatorMap.size, sizeof(self->Mods[0]));
+ if(self->Mods)
+ {
+ ALsizei i;
+
+ self->NumMods = sound->ModulatorMap.size;
+ for(i = 0;i < self->NumMods;i++)
+ {
+ ALsfmodulator *mod = sound->ModulatorMap.array[i].value;
+ fluid_mod_set_source1(&self->Mods[i], getGenInput(mod->Source[0].Input),
+ getGenFlags(mod->Source[0].Input, mod->Source[0].Type,
+ mod->Source[0].Form));
+ fluid_mod_set_source2(&self->Mods[i], getGenInput(mod->Source[1].Input),
+ getGenFlags(mod->Source[1].Input, mod->Source[1].Type,
+ mod->Source[1].Form));
+ fluid_mod_set_amount(&self->Mods[i], mod->Amount);
+ fluid_mod_set_dest(&self->Mods[i], getSf2Gen(mod->Dest));
+ self->Mods[i].next = NULL;
+ }
+ }
}
static void FSample_Destruct(FSample *self)