diff options
Diffstat (limited to 'thirdparty/opus/silk/fixed/k2a_FIX.c')
| -rw-r--r-- | thirdparty/opus/silk/fixed/k2a_FIX.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/thirdparty/opus/silk/fixed/k2a_FIX.c b/thirdparty/opus/silk/fixed/k2a_FIX.c index 549f6eadaa..5fee599bcb 100644 --- a/thirdparty/opus/silk/fixed/k2a_FIX.c +++ b/thirdparty/opus/silk/fixed/k2a_FIX.c @@ -39,15 +39,14 @@ void silk_k2a( ) { opus_int k, n; - opus_int32 rc, tmp1, tmp2; + opus_int32 Atmp[ SILK_MAX_ORDER_LPC ]; for( k = 0; k < order; k++ ) { - rc = rc_Q15[ k ]; - for( n = 0; n < (k + 1) >> 1; n++ ) { - tmp1 = A_Q24[ n ]; - tmp2 = A_Q24[ k - n - 1 ]; - A_Q24[ n ] = silk_SMLAWB( tmp1, silk_LSHIFT( tmp2, 1 ), rc ); - A_Q24[ k - n - 1 ] = silk_SMLAWB( tmp2, silk_LSHIFT( tmp1, 1 ), rc ); + for( n = 0; n < k; n++ ) { + Atmp[ n ] = A_Q24[ n ]; + } + for( n = 0; n < k; n++ ) { + A_Q24[ n ] = silk_SMLAWB( A_Q24[ n ], silk_LSHIFT( Atmp[ k - n - 1 ], 1 ), rc_Q15[ k ] ); } A_Q24[ k ] = -silk_LSHIFT( (opus_int32)rc_Q15[ k ], 9 ); } |