fix BRR loading corruption

src/engine/brrUtils.c

@@ -111,10 +111,10 @@ long brrEncode(short* buf, unsigned char* out, long len, long loopStart) {
       next+=(last1*15)/16; \
       break; \
     case 8: \
-      next+=((last1*61)/32)-((last2*15)/16); \
+      next+=((last2*61)/32)-((last1*15)/16); \
       break; \
     case 12: \
-      next+=((last1*115)/64)-((last2*13)/16); \
+      next+=((last2*115)/64)-((last1*13)/16); \
       break; \
   } \
 \

src/engine/sample.cpp

@@ -852,7 +852,7 @@ void DivSample::render() {
         }
         break;
       case DIV_SAMPLE_DEPTH_BRR: // BRR
-        brrDecode(dataBRR,data16,samples);
+        brrDecode(dataBRR,data16,lengthBRR);
         break;
       case DIV_SAMPLE_DEPTH_VOX: // VOX
         oki_decode(dataVOX,data16,samples);