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r+=t.size,"moov"!==t.type||(i=t,e.moovBox=i,e.emit("moovReady",i),!1)})),!i){var u=n.nextBox;u?"moov"===u.type?e.getData(r,r+u.size+28).then((function(t){var n=new o.default(t);e._boxes=e._boxes.concat(n.boxes),(i=n.boxes.filter((function(e){return"moov"===e.type}))).length?(e.moovBox=i[0],e.emit("moovReady",i)):e.emit("error",new d.default("parse","",{line:203,handle:"[MP4] init",msg:"not find moov box"}))})):e.emit("error",new d.default("parse","",{line:207,handle:"[MP4] init",msg:"not find moov box"})):e.getData(r,"").then((function(t){var n=new o.default(t);n?(e._boxes=e._boxes.concat(n.boxes),n.boxes.every((function(t){return"moov"!==t.type||(i=t,e.moovBox=i,e.emit("moovReady",i),!1)}))):e.emit("error",new d.default("parse","",{line:225,handle:"[MP4] init",msg:"not find moov box"}))}))}})).catch((function(){e.emit("error",new d.default("network","",{line:231,handle:"[MP4] getData",msg:"getData failed"}))}))}},{key:"getSamplesByOrders",value:function(){var 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