diff options
| -rw-r--r-- | silk/sum_sqr_shift.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/silk/sum_sqr_shift.c b/silk/sum_sqr_shift.c index e387391a..43c6b5aa 100644 --- a/silk/sum_sqr_shift.c +++ b/silk/sum_sqr_shift.c @@ -70,6 +70,11 @@ void silk_sum_sqr_shift( /* One sample left to process */ nrg_tmp = silk_SMULBB( x[ i ], x[ i ] ); nrg = (opus_int32)silk_ADD_RSHIFT_uint( nrg, nrg_tmp, shft ); + if( nrg < 0 ) { + /* Scale down */ + nrg = (opus_int32)silk_RSHIFT_uint( (opus_uint32)nrg, 1 ); + shft++; + } } /* Make sure to have at least 10% headroom */ |