Update Opus to 1.0.2.

celt/quant_bands.c

 /* Copyright (c) 2007-2008 CSIRO
    Copyright (c) 2007-2009 Xiph.Org Foundation
    Written by Jean-Marc Valin */
 /*
    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
    notice, this list of conditions and the following disclaimer.
@@ skipping 265 matching lines @@
    intra_bias = (opus_int32)((budget**delayedIntra*loss_rate)/(C*512));
    new_distortion = loss_distortion(eBands, oldEBands, start, effEnd, m->nbEBands, C);
 
    tell = ec_tell(enc);
    if (tell+3 > budget)
       two_pass = intra = 0;
 
    /* Encode the global flags using a simple probability model
       (first symbols in the stream) */
 
+   max_decay = QCONST16(16.f,DB_SHIFT);
+   if (end-start>10)
+   {
 #ifdef FIXED_POINT
-      max_decay = MIN32(QCONST16(16.f,DB_SHIFT), SHL32(EXTEND32(nbAvailableBytes),DB_SHIFT-3));
+      max_decay = MIN32(max_decay, SHL32(EXTEND32(nbAvailableBytes),DB_SHIFT-3));
 #else
-   max_decay = MIN32(16.f, .125f*nbAvailableBytes);
+      max_decay = MIN32(max_decay, .125f*nbAvailableBytes);
 #endif
-
+   }
    enc_start_state = *enc;
 
    ALLOC(oldEBands_intra, C*m->nbEBands, opus_val16);
    ALLOC(error_intra, C*m->nbEBands, opus_val16);
    OPUS_COPY(oldEBands_intra, oldEBands, C*m->nbEBands);
 
    if (two_pass || intra)
    {
       badness1 = quant_coarse_energy_impl(m, start, end, eBands, oldEBands_intra, budget,
             tell, e_prob_model[LM][1], error_intra, enc, C, LM, 1, max_decay);
@@ skipping 256 matching lines @@
    c=0;
    do {
       for (i=0;i<effEnd;i++)
          bandLogE[i+c*m->nbEBands] =
                celt_log2(SHL32(bandE[i+c*m->nbEBands],2))
                - SHL16((opus_val16)eMeans[i],6);
       for (i=effEnd;i<end;i++)
          bandLogE[c*m->nbEBands+i] = -QCONST16(14.f,DB_SHIFT);
    } while (++c < C);
 }