diff options
Diffstat (limited to 'decoder/drc_src/impd_drc_gain_dec.c')
| -rw-r--r-- | decoder/drc_src/impd_drc_gain_dec.c | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/decoder/drc_src/impd_drc_gain_dec.c b/decoder/drc_src/impd_drc_gain_dec.c index accce93..f3486fe 100644 --- a/decoder/drc_src/impd_drc_gain_dec.c +++ b/decoder/drc_src/impd_drc_gain_dec.c @@ -34,7 +34,7 @@ #include "impd_drc_eq.h" #include "impd_drc_gain_decoder.h" -extern ia_cicp_sigmoid_characteristic_param_struct +extern const ia_cicp_sigmoid_characteristic_param_struct pstr_cicp_sigmoid_characteristic_param[]; WORD32 impd_gain_db_to_lin(ia_interp_params_struct* interp_params_str, @@ -433,15 +433,15 @@ WORD32 impd_interpolate_drc_gain(ia_interp_params_struct* interp_params_str, return (UNEXPECTED_ERROR); } + err = impd_conv_to_linear_domain(interp_params_str, drc_band, gain0, slope0, + &gain_t1, &slope_t1); + if (err) return (err); + err = impd_conv_to_linear_domain(interp_params_str, drc_band, gain1, slope1, + &gain_t2, &slope_t2); + if (err) return (err); + if (interp_params_str->gain_interpolation_type == GAIN_INTERPOLATION_TYPE_SPLINE) { - err = impd_conv_to_linear_domain(interp_params_str, drc_band, gain0, slope0, - &gain_t1, &slope_t1); - if (err) return (err); - err = impd_conv_to_linear_domain(interp_params_str, drc_band, gain1, slope1, - &gain_t2, &slope_t2); - if (err) return (err); - slope_t1 = slope_t1 / (FLOAT32)interp_params_str->delta_tmin; slope_t2 = slope_t2 / (FLOAT32)interp_params_str->delta_tmin; if ((FLOAT32)fabs((FLOAT64)slope_t1) > (FLOAT32)fabs((FLOAT64)slope_t2)) { @@ -522,14 +522,9 @@ WORD32 impd_interpolate_drc_gain(ia_interp_params_struct* interp_params_str, } } } else { - err = impd_conv_to_linear_domain(interp_params_str, drc_band, gain1, slope1, - &gain_t2, &slope_t2); - if (err) return (err); - - a = 0; - b = gain_t2; - - result[0] = gain_t2; + a = (gain_t2 - gain_t1) / (FLOAT32)gain_step_tdomain; + b = gain_t1; + result[0] = gain_t1; result[gain_step_tdomain] = gain_t2; for (n = 1; n < gain_step_tdomain; n++) { FLOAT32 t = (FLOAT32)n; |