diff options
| author | Koen Vos <koenvos@users.noreply.github.com> | 2016-02-18 16:01:43 +0300 |
|---|---|---|
| committer | Jean-Marc Valin <jmvalin@jmvalin.ca> | 2016-07-17 22:05:55 +0300 |
| commit | 8c9d41867ef70be06e96c7843b9e45b08c0bc721 (patch) | |
| tree | 7f81004663ddc28154dc07d62eccb9344a3db784 /silk/main.h | |
| parent | 4f5557c3095a1d212161609ff638cdae67a9b303 (diff) | |
simplified computation of LTP coefs
Diffstat (limited to 'silk/main.h')
| -rw-r--r-- | silk/main.h | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/silk/main.h b/silk/main.h index c6d2b9e7..e665e928 100644 --- a/silk/main.h +++ b/silk/main.h @@ -205,37 +205,33 @@ void silk_interpolate( /* LTP tap quantizer */ void silk_quant_LTP_gains( - opus_int16 B_Q14[ MAX_NB_SUBFR * LTP_ORDER ], /* I/O (un)quantized LTP gains */ + opus_int16 B_Q14[ MAX_NB_SUBFR * LTP_ORDER ], /* O Quantized LTP gains */ opus_int8 cbk_index[ MAX_NB_SUBFR ], /* O Codebook Index */ opus_int8 *periodicity_index, /* O Periodicity Index */ - opus_int32 *sum_gain_dB_Q7, /* I/O Cumulative max prediction gain */ - const opus_int32 W_Q18[ MAX_NB_SUBFR*LTP_ORDER*LTP_ORDER ], /* I Error Weights in Q18 */ - opus_int mu_Q9, /* I Mu value (R/D tradeoff) */ - opus_int lowComplexity, /* I Flag for low complexity */ - const opus_int nb_subfr, /* I number of subframes */ + opus_int *pred_gain_dB_Q7, /* O LTP prediction gain */ + const opus_int32 XX_Q17[ MAX_NB_SUBFR*LTP_ORDER*LTP_ORDER ], /* I Correlation matrix in Q18 */ + const opus_int32 xX_Q17[ MAX_NB_SUBFR*LTP_ORDER*LTP_ORDER ], /* I Correlation vector in Q18 */ + const opus_int subfr_len, /* I Number of samples per subframe */ + const opus_int nb_subfr, /* I Number of subframes */ int arch /* I Run-time architecture */ ); /* Entropy constrained matrix-weighted VQ, for a single input data vector */ void silk_VQ_WMat_EC_c( opus_int8 *ind, /* O index of best codebook vector */ - opus_int32 *rate_dist_Q14, /* O best weighted quant error + mu * rate */ - opus_int *gain_Q7, /* O sum of absolute LTP coefficients */ - const opus_int16 *in_Q14, /* I input vector to be quantized */ - const opus_int32 *W_Q18, /* I weighting matrix */ + opus_int32 *res_nrg_Q15, /* O best residual energy */ + opus_int32 *rate_dist_Q8, /* O best total bitrate */ + const opus_int32 *XX_Q17, /* I correlation matrix */ + const opus_int32 *xX_Q17, /* I correlation vector */ const opus_int8 *cb_Q7, /* I codebook */ - const opus_uint8 *cb_gain_Q7, /* I codebook effective gain */ const opus_uint8 *cl_Q5, /* I code length for each codebook vector */ - const opus_int mu_Q9, /* I tradeoff betw. weighted error and rate */ - const opus_int32 max_gain_Q7, /* I maximum sum of absolute LTP coefficients */ - opus_int L /* I number of vectors in codebook */ + const opus_int subfr_len, /* I number of samples per subframe */ + const opus_int L /* I number of vectors in codebook */ ); #if !defined(OVERRIDE_silk_VQ_WMat_EC) -#define silk_VQ_WMat_EC(ind, rate_dist_Q14, gain_Q7, in_Q14, W_Q18, cb_Q7, cb_gain_Q7, cl_Q5, \ - mu_Q9, max_gain_Q7, L, arch) \ - ((void)(arch),silk_VQ_WMat_EC_c(ind, rate_dist_Q14, gain_Q7, in_Q14, W_Q18, cb_Q7, cb_gain_Q7, cl_Q5, \ - mu_Q9, max_gain_Q7, L)) +#define silk_VQ_WMat_EC(ind, rate_dist_Q15, gain_Q8, XX_Q17, xX_Q17, cb_Q7, cl_Q5, subfr_len, L, arch) \ + ((void)(arch),silk_VQ_WMat_EC_c(ind, rate_dist_Q15, gain_Q8, XX_Q17, xX_Q17, cb_Q7, cl_Q5, subfr_len, L)) #endif /************************************/ |