Increase number of voices to 64

plugin/plugin.c

@@ -29,6 +29,8 @@
 #define SAMPLER_OUT_L 2
 #define SAMPLER_OUT_R 3
 
+#define NUM_VOICES 64
+
 struct sampler_plugin {
   LV2_URID_Map *map;
   LV2_Worker_Schedule *schedule;
@@ -146,7 +148,7 @@ static LV2_Handle instantiate(const LV2_Descriptor *descriptor, double rate,
   struct sampler_plugin *plugin =
       (struct sampler_plugin *)calloc(1, sizeof(struct sampler_plugin));
 
-  plugin->sampler = sampler_new(32, (int)rate);
+  plugin->sampler = sampler_new(NUM_VOICES, (int)rate);
   plugin->samplerate = (int)rate;
 
   // Get host features