static int io_open_default(AVFormatContext *s, AVIOContext **pb, const char *url, int flags, AVDictionary **options) { #if FF_API_OLD_OPEN_CALLBACKS FF_DISABLE_DEPRECATION_WARNINGS if (s->open_cb) return s->open_cb(s, pb, url, flags, &s->interrupt_callback, options); FF_ENABLE_DEPRECATION_WARNINGS #endif return ffio_open_whitelist(pb, url, flags, &s->interrupt_callback, options, s->protocol_whitelist, s->protocol_blacklist); }