ffurl_size        260 libavformat/async.c     c->logical_size = ffurl_size(c->inner);
ffurl_size        614 libavformat/async.c     size = ffurl_size(h);
ffurl_size        106 libavformat/concat.c         if ((size = ffurl_size(uc)) < 0) {
ffurl_size        236 libavformat/url.h int64_t ffurl_size(URLContext *h);