diff options
| author | Koen Vos <koen.vos@skype.net> | 2011-10-29 03:44:26 +0400 |
|---|---|---|
| committer | Jean-Marc Valin <jmvalin@jmvalin.ca> | 2011-10-29 03:44:26 +0400 |
| commit | acc7a6c78b266e3ef0e1f91ee405af92a0989dec (patch) | |
| tree | d3e32cc66cf96fecdaffc924ff0d051028b72f31 /silk/biquad_alt.c | |
| parent | 2d4f61409186c7efa831387bf14e2164607a805a (diff) | |
Reformatting changes with an update to the MSVC project files
Diffstat (limited to 'silk/biquad_alt.c')
| -rw-r--r-- | silk/biquad_alt.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/silk/biquad_alt.c b/silk/biquad_alt.c index 74a66a5c..91a75b65 100644 --- a/silk/biquad_alt.c +++ b/silk/biquad_alt.c @@ -38,16 +38,15 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "SigProc_FIX.h" - /* Second order ARMA filter, alternative implementation */ void silk_biquad_alt( - const opus_int16 *in, /* I: Input signal */ - const opus_int32 *B_Q28, /* I: MA coefficients [3] */ - const opus_int32 *A_Q28, /* I: AR coefficients [2] */ - opus_int32 *S, /* I/O: State vector [2] */ - opus_int16 *out, /* O: Output signal */ - const opus_int32 len, /* I: Signal length (must be even) */ - opus_int stride /* I: Operate on interleaved signal if > 1 */ + const opus_int16 *in, /* I input signal */ + const opus_int32 *B_Q28, /* I MA coefficients [3] */ + const opus_int32 *A_Q28, /* I AR coefficients [2] */ + opus_int32 *S, /* I/O State vector [2] */ + opus_int16 *out, /* O output signal */ + const opus_int32 len, /* I signal length (must be even) */ + opus_int stride /* I Operate on interleaved signal if > 1 */ ) { /* DIRECT FORM II TRANSPOSED (uses 2 element state vector) */ @@ -56,9 +55,9 @@ void silk_biquad_alt( /* Negate A_Q28 values and split in two parts */ A0_L_Q28 = ( -A_Q28[ 0 ] ) & 0x00003FFF; /* lower part */ - A0_U_Q28 = silk_RSHIFT( -A_Q28[ 0 ], 14 ); /* upper part */ + A0_U_Q28 = silk_RSHIFT( -A_Q28[ 0 ], 14 ); /* upper part */ A1_L_Q28 = ( -A_Q28[ 1 ] ) & 0x00003FFF; /* lower part */ - A1_U_Q28 = silk_RSHIFT( -A_Q28[ 1 ], 14 ); /* upper part */ + A1_U_Q28 = silk_RSHIFT( -A_Q28[ 1 ], 14 ); /* upper part */ for( k = 0; k < len; k++ ) { /* S[ 0 ], S[ 1 ]: Q12 */ |