gf_isom_xml_subtitle_sample_add_text 2088 include/gpac/isomedia.h GF_Err gf_isom_xml_subtitle_sample_add_text(GF_GenericSubtitleSample *samp, char *text_data, u32 text_len); gf_isom_xml_subtitle_sample_add_text 1244 src/media_tools/text_import.c e = gf_isom_xml_subtitle_sample_add_text(samp, str, len);