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2024年1月10日发(作者：单相单励电动机原理)

pdinmoov

mvhdtrak

tkhdtrefedts

mdia

elst

mdhdhdlrminf

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progressive download informationcontainer for all the metadatamovie header, overall declarationscontainer for an individual track or streamtrack header, overall information about the tracktrack reference containeredit list containeran edit listcontainer for the media information in a trackmedia header, overall information about the mediahandler, declares the media (handler) typemedia information containervideo media header, overall information (video trackonly)sound media header, overall information (sound trackonly)hint media header, overall information (hint track only)Null media header, overall information (some tracksonly)data information box, containerdata reference box, declares source(s) of media datain tracksample table box, container for the time/space mapsample descriptions (codec types, initialization etc.) vmhd

smhd

hmhdnmhddinf

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stbl

dref

stsd√

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sttscttsstscstszstz2stcoco64stssstsh(decoding) time-to-sample(composition) time to samplesample-to-chunk, partial data-offsetinformationsample sizes (framing)compact sample sizes (framing)chunk offset, partial data-offset information64-bit chunk offsetsync sample table (random access points)shadow sync sample table

moof

mfra

mdatfreeskip

mvex

ipmc

mfhdtraf

tframfro

udta

mehdtrex

tfhdtrunsdtpsbgpsubs

cprt

padbstdpsdtpsbgpsgpdsubs

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sample padding bitssample degradation priorityindependent and disposable samplessample-to-groupsample group descriptionsub-sample informationmovie extends boxmovie extends header boxtrack extends defaultsIPMP Control Boxmovie fragmentmovie fragment headertrack fragmenttrack fragment headertrack fragment runindependent and disposable samplessample-to-groupsub-sample informationmovie fragment random accesstrack fragment random accessmovie fragment random access offsetmedia data containerfree spacefree spaceuser-datacopyright

hdlrdinf

ipmcilocipro

dref

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metadatahandler, declares the metadata (handler) typedata information box, containerdata reference box, declares source(s) of metadataitemsIPMP Control Boxitem locationitem protection


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