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Removes explicit filling of remaining bits with zeros

The initialiser already takes care of this

--- a/libcelt/celt.c

+++ b/libcelt/celt.c

@@ -927,9 +927,10 @@

       ec_enc_bit_logp(enc, silence, 15);

       if (silence)

       {

-         while (ec_enc_tell(enc,0) < nbCompressedBytes*8)

-            ec_enc_bits(enc, 0, 1);

+         /* Pretend we've filled all the remaining bits with zeros

+            (that's what the initialiser did anyway) */

          tell = nbCompressedBytes*8;

+         enc->nbits_total+=tell-ec_enc_tell(enc,0);

       }

 #ifdef ENABLE_POSTFILTER

       if (nbAvailableBytes>12*C && st->start==0 && !silence)

@@ -1415,9 +1416,7 @@

    st->rng = enc->rng;

    /* If there's any room left (can only happen for very high rates),

-      fill it with zeros */

-   while (ec_enc_tell(enc,0) < nbCompressedBytes*8)

-      ec_enc_bits(enc, 0, 1);

+      it's already filled with zeros */

    ec_enc_done(enc);

    RESTORE_STACK;

@@ -2035,9 +2034,9 @@

    silence = ec_dec_bit_logp(dec, 15);

    if (silence)

    {

-      while (ec_dec_tell(dec,0) < len*8)

-         ec_dec_bits(dec, 1);

+      /* Pretend we've read all the remaining bits */

       tell = len*8;

+      dec->nbits_total+=tell-ec_dec_tell(dec,0);

    }

    postfilter_gain = 0;