Avoid glitches and noise when distortion fx are loaded

src/effect_audio/effect_bigmuff.cpp

@@ -133,6 +133,18 @@ void AudioEffectBigMuff::doProcess(const float32_t* inblockL, const float32_t* i
     
 		cont = 1;
     
+        if (inblockL != outblockL)
+        {
+            memcpy(outblockL, inblockL, len * sizeof(float32_t));
+        }
+        if (inblockR != outblockR)
+        {
+            memcpy(outblockR, inblockR, len * sizeof(float32_t));
+        }
+
+        printf("Realloc Big Muff END\n");
+        fflush(NULL);
+
 		return;
 	}
     
@@ -231,7 +243,7 @@ void AudioEffectBigMuff::doProcess(const float32_t* inblockL, const float32_t* i
 	
 	 /*****************************************************************/
 	
-	 for (uint32_t i=1; i<=len; i++)
+	for (uint32_t i=1; i<=len; i++)
     {
 		outblockL[i-1] = y3[i-1]*OUTPUT_GAIN; //-26dB
         outblockR[i-1] = outblockL[i-1];

src/effect_audio/effect_bigmuff.h

@@ -17,7 +17,11 @@ public:
     static const unsigned ID = 5;
     static constexpr const char* NAME = "Big Muff";
 
+#ifdef ARM_ALLOW_MULTI_CORE
     static const unsigned TAMANHO_DO_BUFFER = 256;
+#else
+    static const unsigned TAMANHO_DO_BUFFER = 1024;
+#endif
     static constexpr float32_t INPUT_GAIN  = 1;
     static constexpr float32_t OUTPUT_GAIN = 1;
     

src/effect_audio/effect_ds1.cpp

@@ -131,6 +131,14 @@ void AudioEffectDS1::doProcess(const float32_t* inblockL, const float32_t* inblo
     
 		cont = 1;
     
+        if (inblockL != outblockL)
+        {
+            memcpy(outblockL, inblockL, len * sizeof(float32_t));
+        }
+        if (inblockR != outblockR) {
+            memcpy(outblockR, inblockR, len * sizeof(float32_t));
+        }
+    
 		return;
 	}
     
@@ -229,7 +237,7 @@ void AudioEffectDS1::doProcess(const float32_t* inblockL, const float32_t* inblo
     
     Down8_Float(outblockL, y2, len);
 	
-	 for (uint32_t i=1; i<=len; i++)
+	for (uint32_t i=1; i<=len; i++)
     {
 		outblockL[i-1] = outblockL[i-1]*OUTPUT_GAIN; //-15dB
         outblockR[i-1] = outblockL[i-1];

src/effect_audio/effect_ds1.h

@@ -16,7 +16,11 @@ public:
     // ID must be unique for each AudioEffect
     static const unsigned ID = 4;
     static constexpr const char* NAME = "DS1";
+#ifdef ARM_ALLOW_MULTI_CORE
     static const unsigned TAMANHO_DO_BUFFER = 256;
+#else
+    static const unsigned TAMANHO_DO_BUFFER = 1024;
+#endif
     static constexpr float32_t INPUT_GAIN  = 1;
     static constexpr float32_t OUTPUT_GAIN = 1;