AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES 3141 ffprobe.c wctx->string_validation_utf8_flags |= AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES; AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES 391 libavutil/avstring.c flags & AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES)