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| author | Koen Vos <koen.vos@skype.net> | 2011-10-28 19:44:26 -0400 |
|---|---|---|
| committer | Jean-Marc Valin <jmvalin@jmvalin.ca> | 2011-10-28 19:44:26 -0400 |
| commit | acc7a6c78b266e3ef0e1f91ee405af92a0989dec (patch) | |
| tree | d3e32cc66cf96fecdaffc924ff0d051028b72f31 /silk/LPC_inv_pred_gain.c | |
| parent | 2d4f61409186c7efa831387bf14e2164607a805a (diff) | |
| download | opus-acc7a6c78b266e3ef0e1f91ee405af92a0989dec.tar.gz | |
Reformatting changes with an update to the MSVC project files
Diffstat (limited to 'silk/LPC_inv_pred_gain.c')
| -rw-r--r-- | silk/LPC_inv_pred_gain.c | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/silk/LPC_inv_pred_gain.c b/silk/LPC_inv_pred_gain.c index 3a2ff665..fb989acd 100644 --- a/silk/LPC_inv_pred_gain.c +++ b/silk/LPC_inv_pred_gain.c @@ -31,18 +31,17 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "SigProc_FIX.h" -#define QA 24 -#define A_LIMIT SILK_FIX_CONST( 0.99975, QA ) +#define QA 24 +#define A_LIMIT SILK_FIX_CONST( 0.99975, QA ) -#define MUL32_FRAC_Q(a32, b32, Q) ((opus_int32)(silk_RSHIFT_ROUND64(silk_SMULL(a32, b32), Q))) +#define MUL32_FRAC_Q(a32, b32, Q) ((opus_int32)(silk_RSHIFT_ROUND64(silk_SMULL(a32, b32), Q))) /* Compute inverse of LPC prediction gain, and */ /* test if LPC coefficients are stable (all poles within unit circle) */ -static opus_int LPC_inverse_pred_gain_QA( /* O: Returns 1 if unstable, otherwise 0 */ - opus_int32 *invGain_Q30, /* O: Inverse prediction gain, Q30 energy domain */ - opus_int32 A_QA[ 2 ][ SILK_MAX_ORDER_LPC ], - /* I: Prediction coefficients */ - const opus_int order /* I: Prediction order */ +static opus_int LPC_inverse_pred_gain_QA( /* O Returns 1 if unstable, otherwise 0 */ + opus_int32 *invGain_Q30, /* O Inverse prediction gain, Q30 energy domain */ + opus_int32 A_QA[ 2 ][ SILK_MAX_ORDER_LPC ], /* I Prediction coefficients */ + const opus_int order /* I Prediction order */ ) { opus_int k, n, mult2Q; @@ -108,10 +107,10 @@ static opus_int LPC_inverse_pred_gain_QA( /* O: Returns 1 if unstable, } /* For input in Q12 domain */ -opus_int silk_LPC_inverse_pred_gain( /* O: Returns 1 if unstable, otherwise 0 */ - opus_int32 *invGain_Q30, /* O: Inverse prediction gain, Q30 energy domain */ - const opus_int16 *A_Q12, /* I: Prediction coefficients, Q12 [order] */ - const opus_int order /* I: Prediction order */ +opus_int silk_LPC_inverse_pred_gain( /* O Returns 1 if unstable, otherwise 0 */ + opus_int32 *invGain_Q30, /* O Inverse prediction gain, Q30 energy domain */ + const opus_int16 *A_Q12, /* I Prediction coefficients, Q12 [order] */ + const opus_int order /* I Prediction order */ ) { opus_int k; @@ -127,17 +126,17 @@ opus_int silk_LPC_inverse_pred_gain( /* O: Returns 1 if unstable, Anew_QA[ k ] = silk_LSHIFT( (opus_int32)A_Q12[ k ], QA - 12 ); } /* If the DC is unstable, we don't even need to do the full calculations */ - if ( DC_resp >= 4096 ) { + if( DC_resp >= 4096 ) { return 1; } return LPC_inverse_pred_gain_QA( invGain_Q30, Atmp_QA, order ); } /* For input in Q24 domain */ -opus_int silk_LPC_inverse_pred_gain_Q24( /* O: Returns 1 if unstable, otherwise 0 */ - opus_int32 *invGain_Q30, /* O: Inverse prediction gain, Q30 energy domain */ - const opus_int32 *A_Q24, /* I: Prediction coefficients, Q24 [order] */ - const opus_int order /* I: Prediction order */ +opus_int silk_LPC_inverse_pred_gain_Q24( /* O Returns 1 if unstable, otherwise 0 */ + opus_int32 *invGain_Q30, /* O Inverse prediction gain, Q30 energy domain */ + const opus_int32 *A_Q24, /* I Prediction coefficients, Q24 [order] */ + const opus_int order /* I Prediction order */ ) { opus_int k; |