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Added a fix in the pvc path for decoder (#107)
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Significance:
=============
- This change handles PVC path correctly for non-zero PVC modes
- Addressed a minor nit in the usage information

Testing:
========
- Conformance tested for x86, x86_64, armv7, armv8, Mac and MSVS
This commit is contained in:
akshayragir833 2025-09-03 14:47:39 +05:30 • committed by GitHub
parent fe4e685d4c
commit e198290600
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3 changed files with 7 additions and 9 deletions
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4
README_dec.md
View file

@ -205,8 +205,8 @@ where,
<esbr_ps_flag> is to indicate eSBR with PS. Default 0.
<interleave_to_stereo> is to enable/disable always interleaved to stereo output. Default 1.
<down_sample_sbr> is to enable/disable down-sampled SBR output. Default auto identification from header.
<drc_cut_factor> is to set DRC cut factor value. Default value is 1 for USAC path and 0 for AAC path.
<drc_boost_factor> is to set DRC boost factor. Default value is 1 for USAC path and 0 for AAC path.
<drc_cut_factor> is to set DRC cut factor value. Default value is 1.
<drc_boost_factor> is to set DRC boost factor. Default value is 1.
<drc_target_level> is to set DRC target reference level. Default value is 108.
<drc_heavy_compression> is to enable/disable DRC heavy compression. Default value is 0.
<effect_type> is to set DRC effect type. Default value is 0.

6
decoder/ixheaacd_sbrdecoder.c
View file

@ -638,9 +638,9 @@ IA_ERRORCODE ixheaacd_applysbr(
frame_status);
}
} else if (ptr_frame_data[k]->sbr_mode == PVC_SBR) {
frame_status = ixheaacd_sbr_read_pvc_sce(ptr_frame_data[k], it_bit_buff, 0,
self->ptr_pvc_data_str,
self->pstr_sbr_tables, ptr_header_data[k]);
frame_status = ixheaacd_sbr_read_pvc_sce(
ptr_frame_data[k], it_bit_buff, ptr_header_data[k]->hbe_flag,
self->ptr_pvc_data_str, self->pstr_sbr_tables, ptr_header_data[k]);
if (frame_status < 0) return frame_status;
}
}

6
test/decoder/ixheaacd_main.c
View file

@ -2326,10 +2326,8 @@ void print_usage() {
printf("\n interleaved to stereo output. Default 1 ");
printf("\n <down_sample_sbr> is to enable/disable down-sampled SBR ");
printf("\n output. Default auto identification from header");
printf("\n <drc_cut_factor> is to set DRC cut factor value. Default value is 1 for USAC path "
"and 0 for AAC path");
printf("\n <drc_boost_factor> is to set DRC boost factor. Default value is 1 for USAC path "
"and 0 for AAC path");
printf("\n <drc_cut_factor> is to set DRC cut factor value. Default value is 1");
printf("\n <drc_boost_factor> is to set DRC boost factor. Default value is 1");
printf("\n <drc_target_level> is to set DRC target reference level.");
printf("\n Default value is 108");
printf("\n <drc_heavy_compression> is to enable / disable DRC heavy compression.");