Updating Opus to a pre-release of 1.1

silk/bwexpander.c

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@@ skipping 16 matching lines @@
     opus_int32 chirp_minus_one_Q16 = chirp_Q16 - 65536;
 
     /* NB: Dont use silk_SMULWB, instead of silk_RSHIFT_ROUND( silk_MUL(), 16 ), below.  */
     /* Bias in silk_SMULWB can lead to unstable filters                                */
     for( i = 0; i < d - 1; i++ ) {
         ar[ i ]    = (opus_int16)silk_RSHIFT_ROUND( silk_MUL( chirp_Q16, ar[ i ]             ), 16 );
         chirp_Q16 +=            silk_RSHIFT_ROUND( silk_MUL( chirp_Q16, chirp_minus_one_Q16 ), 16 );
     }
     ar[ d - 1 ] = (opus_int16)silk_RSHIFT_ROUND( silk_MUL( chirp_Q16, ar[ d - 1 ] ), 16 );
 }