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| author | Koen Vos <koenvos74@gmail.com> | 2013-11-20 08:32:32 -0500 |
|---|---|---|
| committer | Jean-Marc Valin <jmvalin@jmvalin.ca> | 2013-11-20 08:32:32 -0500 |
| commit | c63fb978be59fd09179abe9d714ee598d888e789 (patch) | |
| tree | 36deeaa6440ff80c943e19d6ab4016e29dd4ccbc /silk/main.h | |
| parent | ac31a0af4ace081404de39342eed41cf59f91e2d (diff) | |
| download | opus-c63fb978be59fd09179abe9d714ee598d888e789.tar.gz | |
Constrains accumulated pitch gain to avoid potential instability.
Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
Diffstat (limited to 'silk/main.h')
| -rw-r--r-- | silk/main.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/silk/main.h b/silk/main.h index 8676316e..ec9bb5df 100644 --- a/silk/main.h +++ b/silk/main.h @@ -204,6 +204,7 @@ void silk_quant_LTP_gains( opus_int16 B_Q14[ MAX_NB_SUBFR * LTP_ORDER ], /* I/O (un)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 */ @@ -214,11 +215,13 @@ void silk_quant_LTP_gains( void silk_VQ_WMat_EC( 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 */ const opus_int8 *cb_Q7, /* I codebook */ 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 */ ); |