diff options
| author | unknown <sneakyfish5.sneaky@gmail.com> | 2019-11-02 11:59:07 -0500 |
|---|---|---|
| committer | Jonathan Mannancheril <sneakyfish5.sneaky@gmail.com> | 2019-11-09 13:06:56 -0600 |
| commit | e00426c512a7905f5f925d382c443bab7a0ca693 (patch) | |
| tree | 662c34929dc2b46b8eba05cd992e57f3aa7b6943 /thirdparty/opus/silk/fixed/k2a_FIX.c | |
| parent | 8570b9b0c2972b7aa191475342d0dd8030fd4188 (diff) | |
Update opus to 1.3.1 and opusfile to 0.11
Diffstat (limited to 'thirdparty/opus/silk/fixed/k2a_FIX.c')
| -rw-r--r-- | thirdparty/opus/silk/fixed/k2a_FIX.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/thirdparty/opus/silk/fixed/k2a_FIX.c b/thirdparty/opus/silk/fixed/k2a_FIX.c index 5fee599bcb..549f6eadaa 100644 --- a/thirdparty/opus/silk/fixed/k2a_FIX.c +++ b/thirdparty/opus/silk/fixed/k2a_FIX.c @@ -39,14 +39,15 @@ void silk_k2a( ) { opus_int k, n; - opus_int32 Atmp[ SILK_MAX_ORDER_LPC ]; + opus_int32 rc, tmp1, tmp2; for( k = 0; k < order; k++ ) { - 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 ] ); + 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 ); } A_Q24[ k ] = -silk_LSHIFT( (opus_int32)rc_Q15[ k ], 9 ); } |