Update calfbox

template/calfbox/dspmath.h

@@ -92,8 +92,7 @@ static inline float sanef(float v)
 
 static inline void sanebf(float *buf)
 {
-    int i;
-    for (i = 0; i < CBOX_BLOCK_SIZE; i++)
+    for (int i = 0; i < CBOX_BLOCK_SIZE; ++i)
         buf[i] = sanef(buf[i]);
 }
 
@@ -102,6 +101,12 @@ static inline void copybf(float *to, float *from)
     memcpy(to, from, sizeof(float) * CBOX_BLOCK_SIZE);
 }
 
+static inline void zerobf(float *to)
+{
+    for (int i = 0; i < CBOX_BLOCK_SIZE; ++i)
+        to[i] = 0.f;
+}
+
 static inline float cent2factor(float cent)
 {
     return powf(2.0, cent * (1.f / 1200.f)); // I think this may be optimised using exp()

template/calfbox/fluid.c

@@ -241,7 +241,9 @@ void fluidsynth_process_block(struct cbox_module *module, cbox_sample_t **inputs
         float *fx_outputs[4];
         for (int i = 0; i < 4; i++)
             fx_outputs[i] = outputs[2 * m->output_pairs + i];
-        fluid_synth_process(m->synth, CBOX_BLOCK_SIZE, 2, fx_outputs, m->output_pairs, outputs);
+        for (int i = 0; i < 2 * (2 + m->output_pairs); i++)
+            zerobf(outputs[i]);
+        fluid_synth_process(m->synth, CBOX_BLOCK_SIZE, 4, fx_outputs, 2 * m->output_pairs, outputs);
 #endif
     }
 }