diff options
author | Felicia Lim <flim@google.com> | 2017-07-05 17:36:56 -0700 |
---|---|---|
committer | Felicia Lim <flim@google.com> | 2017-07-07 09:42:55 -0700 |
commit | 0c2090c324e4f2ba2a8621c8b083559bab74c7c5 (patch) | |
tree | fea1ab0038bc4102569d1ab4ee57a0f973895570 /silk/A2NLSF.c | |
parent | a7703b70699299f078a189e19b6915120cded732 (diff) | |
download | libopus-0c2090c324e4f2ba2a8621c8b083559bab74c7c5.tar.gz |
Opus 1.2.1android-o-iot-preview-5o-iot-preview-5
Change-Id: I551f1de5c5e121ac1275334e67c7e0f96ab18114
Test: - verified builds for arm*/mips*/x86*
- checked functionality using an emulator and stagefright
Diffstat (limited to 'silk/A2NLSF.c')
-rw-r--r-- | silk/A2NLSF.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/silk/A2NLSF.c b/silk/A2NLSF.c index b6e9e5ff..b487686f 100644 --- a/silk/A2NLSF.c +++ b/silk/A2NLSF.c @@ -40,7 +40,7 @@ POSSIBILITY OF SUCH DAMAGE. /* Number of binary divisions, when not in low complexity mode */ #define BIN_DIV_STEPS_A2NLSF_FIX 3 /* must be no higher than 16 - log2( LSF_COS_TAB_SZ_FIX ) */ -#define MAX_ITERATIONS_A2NLSF_FIX 30 +#define MAX_ITERATIONS_A2NLSF_FIX 16 /* Helper function for A2NLSF(..) */ /* Transforms polynomials from cos(n*f) to cos(f)^n */ @@ -130,7 +130,7 @@ void silk_A2NLSF( const opus_int d /* I Filter order (must be even) */ ) { - opus_int i, k, m, dd, root_ix, ffrac; + opus_int i, k, m, dd, root_ix, ffrac; opus_int32 xlo, xhi, xmid; opus_int32 ylo, yhi, ymid, thr; opus_int32 nom, den; @@ -239,13 +239,13 @@ void silk_A2NLSF( /* Set NLSFs to white spectrum and exit */ NLSF[ 0 ] = (opus_int16)silk_DIV32_16( 1 << 15, d + 1 ); for( k = 1; k < d; k++ ) { - NLSF[ k ] = (opus_int16)silk_SMULBB( k + 1, NLSF[ 0 ] ); + NLSF[ k ] = (opus_int16)silk_ADD16( NLSF[ k-1 ], NLSF[ 0 ] ); } return; } /* Error: Apply progressively more bandwidth expansion and run again */ - silk_bwexpander_32( a_Q16, d, 65536 - silk_SMULBB( 10 + i, i ) ); /* 10_Q16 = 0.00015*/ + silk_bwexpander_32( a_Q16, d, 65536 - silk_LSHIFT( 1, i ) ); silk_A2NLSF_init( a_Q16, P, Q, dd ); p = P; /* Pointer to polynomial */ |