Update Opus to 1.0.2.

celt/bands.c

 /* Copyright (c) 2007-2008 CSIRO
    Copyright (c) 2007-2009 Xiph.Org Foundation
    Copyright (c) 2008-2009 Gregory Maxwell
    Written by Jean-Marc Valin and Gregory Maxwell */
 /*
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:
 
    - Redistributions of source code must retain the above copyright
@@ skipping 887 matching lines @@
          iside = 0;
          fill &= (1<<B)-1;
          delta = -16384;
       } else if (itheta == 16384)
       {
          imid = 0;
          iside = 32767;
          fill &= ((1<<B)-1)<<B;
          delta = 16384;
       } else {
-         imid = bitexact_cos(itheta);
-         iside = bitexact_cos(16384-itheta);
+         imid = bitexact_cos((opus_int16)itheta);
+         iside = bitexact_cos((opus_int16)(16384-itheta));
          /* This is the mid vs side allocation that minimizes squared error
             in that band. */
          delta = FRAC_MUL16((N-1)<<7,bitexact_log2tan(iside,imid));
       }
 
 #ifdef FIXED_POINT
       mid = imid;
       side = iside;
 #else
       mid = (1.f/32768)*imid;
@@ skipping 373 matching lines @@
       collapse_masks[i*C+0] = (unsigned char)x_cm;
       collapse_masks[i*C+C-1] = (unsigned char)y_cm;
       balance += pulses[i] + tell;
 
       /* Update the folding position only as long as we have 1 bit/sample depth */
       update_lowband = b>(N<<BITRES);
    }
    RESTORE_STACK;
 }