diff options
Diffstat (limited to 'encoder/ixheaace_sbr_tran_det.c')
| -rw-r--r-- | encoder/ixheaace_sbr_tran_det.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/encoder/ixheaace_sbr_tran_det.c b/encoder/ixheaace_sbr_tran_det.c index cf9bce4..a18ba9e 100644 --- a/encoder/ixheaace_sbr_tran_det.c +++ b/encoder/ixheaace_sbr_tran_det.c @@ -52,7 +52,7 @@ static IA_ERRORCODE ixheaace_spectral_change(FLOAT32 *ptr_energies[16], FLOAT32 FLOAT32 pos_wt = (0.5f - (FLOAT32)len1 / (FLOAT32)(len1 + len2)); pos_wt = 1.0f - 4.0f * pos_wt * pos_wt; - if ((is_ld_sbr) && (total_energy == 0.0f)) { + if (total_energy < SBR_EPS) { *ptr_delta = 0.0f; return IA_NO_ERROR; } @@ -72,8 +72,14 @@ static IA_ERRORCODE ixheaace_spectral_change(FLOAT32 *ptr_energies[16], FLOAT32 for (i = border; i < stop; i++) { energy_2[j] += ptr_energies[i][j]; } - delta = (float)fabs(log(energy_2[j] / energy_1[j] * len_ratio)); - delta_sum += (float)(sqrt((energy_1[j] + energy_2[j]) / total_energy) * delta); + if (energy_1[j] <= EPS) { + energy_1[j] = (FLOAT32)len1; + } + if (energy_2[j] <= EPS) { + energy_2[j] = (FLOAT32)len2; + } + delta = (FLOAT32)fabs(log((energy_2[j] / energy_1[j]) * len_ratio)); + delta_sum += (FLOAT32)(sqrt((energy_1[j] + energy_2[j]) / total_energy) * delta); } *ptr_delta = delta_sum * pos_wt; |