void VTT_load_script(VTTDec *vttdec, GF_SceneGraph *graph)
{
GF_Node *n, *root;
GF_FieldInfo info;
const char *path;
FILE *jsfile;
if (!graph) return;
gf_sg_add_namespace(graph, "http://www.w3.org/2000/svg", NULL);
gf_sg_add_namespace(graph, "http://www.w3.org/1999/xlink", "xlink");
gf_sg_add_namespace(graph, "http://www.w3.org/2001/xml-events", "ev");
gf_sg_set_scene_size_info(graph, 800, 600, GF_TRUE);
/* modify the scene with an Inline/Animation pointing to the VTT Renderer */
n = root = gf_node_new(graph, TAG_SVG_svg);
gf_node_register(root, NULL);
gf_sg_set_root_node(graph, root);
gf_node_get_attribute_by_name(n, "xmlns", 0, GF_TRUE, GF_FALSE, &info);
gf_svg_parse_attribute(n, &info, "http://www.w3.org/2000/svg", 0);
VTT_UpdateSizeInfo(vttdec);
gf_node_init(n);
n = gf_node_new(graph, TAG_SVG_script);
gf_node_register(n, root);
gf_node_list_add_child(&((GF_ParentNode *)root)->children, n);
path = gf_modules_get_option((GF_BaseInterface *)vttdec->module, "WebVTT", "RenderingScript");
if (!path) {
/* try to find the JS renderer in the default GPAC installation folder */
const char *startuppath = gf_modules_get_option((GF_BaseInterface *)vttdec->module, "General", "StartupFile");
path = gf_url_concatenate(startuppath, "webvtt-renderer.js");
jsfile = gf_fopen(path, "rt");
if (jsfile) {
gf_modules_set_option((GF_BaseInterface *)vttdec->module, "WebVTT", "RenderingScript", path);
gf_fclose(jsfile);
} else {
GF_LOG(GF_LOG_ERROR, GF_LOG_CODEC, ("[WebVTT] Cannot find Rendering Script [WebVTT:RenderingScript] - check config file\n"));
return;
}
}
jsfile = gf_fopen(path, "rt");
if (jsfile) {
gf_fclose(jsfile);
gf_node_get_attribute_by_tag(n, TAG_XLINK_ATT_href, GF_TRUE, GF_FALSE, &info);
if (strstr(path, ":\\")) {
gf_svg_parse_attribute(n, &info, (char *) path, 0);
} else {
char szPath[GF_MAX_PATH];
strcpy(szPath, "file://");
strcat(szPath, path);
gf_svg_parse_attribute(n, &info, (char *) szPath, 0);
}
vttdec->has_rendering_script = GF_TRUE;
} else {
GF_LOG(GF_LOG_ERROR, GF_LOG_CODEC, ("[WebVTT] Cannot open Rendering Script - %s\n", path));
return;
}
gf_node_init(n);
}
void gf_xml_push_namespaces(GF_DOMNode *elt)
{
GF_DOMAttribute *att = elt->attributes;
while (att) {
if (att->tag==TAG_DOM_ATT_any) {
GF_DOMFullAttribute *datt = (GF_DOMFullAttribute*)att;
if (datt->name && !strncmp(datt->name, "xmlns", 5)) {
char *qname = datt->name+5;
gf_sg_add_namespace(elt->sgprivate->scenegraph, *(DOM_String *) datt->data, qname[0] ? qname+1 : NULL);
}
}
att = att->next;
}
}
