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Decoder bug fixes #60

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merged 2 commits into from
Oct 11, 2023
Merged

Decoder bug fixes #60

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70ae21a
Fix for divide-by-zero in ixheaacd_sbr_env_calc
ShashankPathmudi Oct 11, 2023
cf1fccd
Fix for divide-by-zero in ixheaacd_calc_stop_band
ShashankPathmudi Oct 11, 2023
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4 changes: 3 additions & 1 deletion decoder/ixheaacd_create.c
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Original file line number Diff line number Diff line change
Expand Up @@ -394,7 +394,9 @@ WORD32 ixheaacd_dec_data_init(VOID *handle,
&usac_data->ccfl, &usac_data->output_samples,
&pstr_frame_data->str_layer.sample_rate_layer,
&layer_config->samp_frequency_index);

if (!pstr_frame_data->str_layer.sample_rate_layer) {
return -1;
}
pstr_stream_config->sampling_frequency =
pstr_frame_data->str_layer.sample_rate_layer;
pstr_stream_config->samp_frequency_index = layer_config->samp_frequency_index;
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12 changes: 9 additions & 3 deletions decoder/ixheaacd_esbr_envcal.c
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Original file line number Diff line number Diff line change
Expand Up @@ -329,11 +329,13 @@ WORD32 ixheaacd_sbr_env_calc(ia_sbr_frame_info_data_struct *frame_data, FLOAT32
c++;
}

if (!int_mode) {
if (!int_mode && ui != li) {
for (nrg = 0, k = c - (ui - li); k < c; k++) {
nrg += nrg_est_pvc[k][t];
}
nrg /= (ui - li);
} else {
nrg = 0;
}
c -= (ui - li);

Expand Down Expand Up @@ -453,11 +455,13 @@ WORD32 ixheaacd_sbr_env_calc(ia_sbr_frame_info_data_struct *frame_data, FLOAT32
c++;
}

if (!int_mode) {
if (!int_mode && ui != li) {
for (nrg = 0, k = c - (ui - li); k < c; k++) {
nrg += nrg_est_pvc[k][t];
}
nrg /= (ui - li);
} else {
nrg = 0;
}
c -= (ui - li);

Expand Down Expand Up @@ -669,11 +673,13 @@ WORD32 ixheaacd_sbr_env_calc(ia_sbr_frame_info_data_struct *frame_data, FLOAT32
rate * p_frame_info->border_vec[i]);
}
}
if (!int_mode) {
if (!int_mode && ui != li) {
for (nrg = 0, k = c - (ui - li); k < c; k++) {
nrg += nrg_est[k];
}
nrg /= (ui - li);
} else {
nrg = 0;
}
c -= (ui - li);

Expand Down