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| author | Akshay Ragir <akshay.ragir@ittiam.com> | 2023-09-08 17:01:00 +0530 |
|---|---|---|
| committer | Divya B M <89966460+divya-bm@users.noreply.github.com> | 2023-09-09 20:32:12 +0530 |
| commit | ccdced7d6a30828a9988616f199cea014150175d (patch) | |
| tree | 0c33cd9d95ae613d8f6d67256cf543b569e93b41 /encoder/iusace_enc_main.c | |
| parent | f39922ae991f3fdd66da1e02d2fdebe6619ae28e (diff) | |
| download | libxaac-ccdced7d6a30828a9988616f199cea014150175d.tar.gz | |
Fix for Divide-by-zero in impd_drc_stft_drc_gain_calc_init
These changes handle the Divide-by-zero runtime error reported
when the drc gain coordinates are identical or slope is
perpendicular to the gain value.
Bug: ossFuzz:61683
Test: poc in bug
Diffstat (limited to 'encoder/iusace_enc_main.c')
| -rw-r--r-- | encoder/iusace_enc_main.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/encoder/iusace_enc_main.c b/encoder/iusace_enc_main.c index 492d300..503f9c9 100644 --- a/encoder/iusace_enc_main.c +++ b/encoder/iusace_enc_main.c @@ -557,20 +557,25 @@ IA_ERRORCODE iusace_enc_init(ia_usac_encoder_config_struct *ptr_usac_config, err_code = impd_drc_enc_init(&usac_data->str_drc_state, pstr_state->str_scratch.drc_scratch, &ptr_usac_config->str_drc_cfg); + if (err_code == IA_EXHEAACE_EXE_NONFATAL_USAC_INVALID_GAIN_POINTS) { + ptr_usac_config->use_drc_element = 0; + } if (err_code & IA_FATAL_ERROR) { return err_code; } - ia_usac_enc_element_config_struct *pstr_usac_elem_config = + if (ptr_usac_config->use_drc_element) { + ia_usac_enc_element_config_struct *pstr_usac_elem_config = &(pstr_asc_usac_config->str_usac_element_config[pstr_asc_usac_config->num_elements]); - pstr_asc_usac_config->usac_element_type[pstr_asc_usac_config->num_elements] = ID_USAC_EXT; - pstr_usac_elem_config->usac_ext_ele_type = ID_EXT_ELE_UNI_DRC; - pstr_usac_elem_config->usac_ext_ele_dflt_len_present = 0; - pstr_usac_elem_config->usac_ext_ele_payload_present = 0; - pstr_usac_elem_config->drc_config_data = usac_data->str_drc_state.bit_buf_base_cfg; - pstr_usac_elem_config->usac_ext_ele_cfg_len = + pstr_asc_usac_config->usac_element_type[pstr_asc_usac_config->num_elements] = ID_USAC_EXT; + pstr_usac_elem_config->usac_ext_ele_type = ID_EXT_ELE_UNI_DRC; + pstr_usac_elem_config->usac_ext_ele_dflt_len_present = 0; + pstr_usac_elem_config->usac_ext_ele_payload_present = 0; + pstr_usac_elem_config->drc_config_data = usac_data->str_drc_state.bit_buf_base_cfg; + pstr_usac_elem_config->usac_ext_ele_cfg_len = (usac_data->str_drc_state.drc_config_data_size_bit + 7) >> 3; - pstr_asc_usac_config->num_elements++; + pstr_asc_usac_config->num_elements++; + } } if (ptr_usac_config->use_drc_element) // For Loudness { |