- pb = avio_alloc_context(p->buf, p->buf_size, 0, NULL, NULL, NULL, NULL);
- if (!pb)
- return 0;
-
- ret = (parse_multipart_header(pb, &size, "--", NULL) >= 0) ? AVPROBE_SCORE_MAX : 0;
+ ffio_init_context(&pb, p->buf, p->buf_size, 0, NULL, NULL, NULL, NULL);