shithub: opus

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ref: 47e905dce7289244e614b72425fc2bcba37f40dc
parent: b417d8392e20acdc0f613a0a3f64bad83e47ea95
author: Jean-Marc Valin <[email protected]>
date: Thu Jan 27 13:05:47 EST 2011 

Making anti-collapse a bit more conservative again

The energy memory can be lowered (not increased) during a transient


--- a/libcelt/celt.c
+++ b/libcelt/celt.c
@@ -1424,6 +1424,9 @@
          oldLogE2[i] = oldLogE[i];
       for (i=0;i<C*st->mode->nbEBands;i++)
          oldLogE[i] = oldBandE[i];
+   } else {
+      for (i=0;i<C*st->mode->nbEBands;i++)
+         oldLogE[i] = MIN16(oldLogE[i], oldBandE[i]);
    }
    if (isTransient)
       st->consec_transient++;
@@ -2245,6 +2248,9 @@
          oldLogE[i] = oldBandE[i];
       for (i=0;i<C*st->mode->nbEBands;i++)
          backgroundLogE[i] = MIN16(backgroundLogE[i] + M*QCONST16(0.001f,DB_SHIFT), oldBandE[i]);
+   } else {
+      for (i=0;i<C*st->mode->nbEBands;i++)
+         oldLogE[i] = MIN16(oldLogE[i], oldBandE[i]);
    }
    st->rng = dec->rng;