Update to opus-HEAD-66611f1.

src/opus_demo.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 619 matching lines @@
             newsize = rand()%6;
             switch(newsize)
             {
             case 0: newsize=sampling_rate/400; break;
             case 1: newsize=sampling_rate/200; break;
             case 2: newsize=sampling_rate/100; break;
             case 3: newsize=sampling_rate/50; break;
             case 4: newsize=sampling_rate/25; break;
             case 5: newsize=3*sampling_rate/50; break;
             }
-            while (newsize < sampling_rate/25 && bitrate_bps-fabs(sweep_bps) <= 3*12*sampling_rate/newsize)
+            while (newsize < sampling_rate/25 && bitrate_bps-abs(sweep_bps) <= 3*12*sampling_rate/newsize)
                newsize*=2;
             if (newsize < sampling_rate/100 && frame_size >= sampling_rate/100)
             {
                 opus_encoder_ctl(enc, OPUS_SET_FORCE_MODE(MODE_CELT_ONLY));
                 delayed_celt=1;
             } else {
                 frame_size = newsize;
             }
         }
         if (random_fec && rand()%30==0)
@@ skipping 225 matching lines @@
     free(data[0]);
     if (use_inbandfec)
         free(data[1]);
     fclose(fin);
     fclose(fout);
     free(in);
     free(out);
     free(fbytes);
     return EXIT_SUCCESS;
 }