avio_find_protocol_name  741 ffmpeg_opt.c           const char *proto_name = avio_find_protocol_name(filename);
avio_find_protocol_name  167 libavformat/avio.h const char *avio_find_protocol_name(const char *url);
avio_find_protocol_name  114 libavformat/concatdec.c     proto = avio_find_protocol_name(filename);
avio_find_protocol_name  248 libavformat/hlsenc.c     const char *proto = avio_find_protocol_name(s->filename);