- list_for_each_entry(fn, &fci->filters, node) {
- fn->filter->open(fn);
- PARA_INFO_LOG("opened %s filter\n", fn->filter->name);
- fci->outbuf = fn->buf;
- fci->out_loaded = &fn->loaded;
+ if (!conf.filter_given)
+ return -E_NO_FILTERS;
+ fc->num_filters = conf.filter_given;
+ fc->filter_nodes = para_malloc(fc->num_filters * sizeof(struct filter_node));
+ fc->inbuf = sit->buf;
+ fc->in_loaded = &sit->loaded;
+ fc->input_error = &sit->task.error;
+ fc->task.error = 0;
+ fc->output_error = &sot->task.error;
+ fc->task.pre_select = filter_pre_select;
+ sprintf(fc->task.status, "filter chain");
+
+ FOR_EACH_FILTER_NODE(fn, fc, i) {
+ char *fa = conf.filter_arg[i];
+ fn = fc->filter_nodes + i;
+ ret = check_filter_arg(fa, &fn->conf);
+ if (ret < 0)
+ goto err;
+ fn->filter_num = ret;
+ fn->fc = fc;
+ INIT_LIST_HEAD(&fn->callbacks);
+ PARA_DEBUG_LOG("filter #%d: %s\n", i, filters[fn->filter_num].name);