ftypmp42mp42mp41%moovlmvhdUPUP_k~^@ltrak\tkhdUPUPkb@h$edtselstkbmdia mdhdUPUPu0y DhdlrvideMainconcept MP4 Video Media Handlerxminfvmhd$dinfdref url 8stblstsdavc1hHH AVC Coding B@@? h 5 stts*ctts