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2時間の動画データはどうやって再生するのか
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satoshi0212
August 11, 2015
Programming
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2時間の動画データはどうやって再生するのか
satoshi0212
August 11, 2015
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Transcript
J04ΞϓϦ࡞͍ͬͯ·͢
࣌ؒͷ҉߸ԽࡁΈσʔλ Ͳ͏ͬͯ࠶ੜ͢Δͷ͔ ʙ͋ͳͨͷௐ͕͔ࠪ࣌ؒؒΒʹ
ࠓ͢͜ͱ ! ͲͷཁૉΛ༻͍࣮ͯݱ͔ͨ͠
ཁ݅ͭ ! ࣌ؒͷಈըσʔλΛ࠶ੜ σʔλ҉߸Խඞਢ ΦϑϥΠϯ࠶ੜ
՝ ! ࣌ؒͷಈըσʔλϝϞϦʹ ΓΒͳ͍ ෮߸ԽͷλΠϛϯάʁ
ࢼߦࡨޡ
݁
"71MBZFS )-4
)-4 )UUQ-JWF4USFBNJOH
εςοϓಈըσʔλׂ ! εςοϓ҉߸ԽΩʔϑΝΠϧ҉߸Խ ! εςοϓJ1IPOFʹ)UUQαʔόཱͯΔ ! εςοϓ҉߸ԽΩʔ෮߸ॲཧՃ ! εςοϓ࠶ੜʂ
εςοϓಈըσʔλׂ ! εςοϓ҉߸ԽΩʔϑΝΠϧ҉߸Խ ! εςοϓJ1IPOFʹ)UUQαʔόཱͯΔ ! εςοϓ҉߸ԽΩʔ෮߸ॲཧՃ ! εςοϓ࠶ੜʂ
҉߸ԽΩʔϑΝΠϧɹͱɹNQ ! ˣ ! ҉߸Խ͞Εͨ54ϑΝΠϧ܈
εςοϓಈըσʔλׂ ! εςοϓ҉߸ԽΩʔϑΝΠϧ҉߸Խ ! εςοϓJ1IPOFʹ)UUQαʔόཱͯΔ ! εςοϓ҉߸ԽΩʔ෮߸ॲཧՃ ! εςοϓ࠶ੜʂ
҉߸ԽΩʔϑΝΠϧ ! ˣ ! ҉߸Խͨ͠҉߸ԽΩʔϑΝΠϧ
εςοϓಈըσʔλׂ ! εςοϓ҉߸ԽΩʔϑΝΠϧ҉߸Խ ! εςοϓJ1IPOFʹ)UUQαʔόཱͯΔ ! εςοϓ҉߸ԽΩʔ෮߸ॲཧՃ ! εςοϓ࠶ੜʂ
DPDPB)UUQ4FSWFS
εςοϓಈըσʔλׂ ! εςοϓ҉߸ԽΩʔϑΝΠϧ҉߸Խ ! εςοϓJ1IPOFʹ)UUQαʔόཱͯΔ ! εςοϓ҉߸ԽΩʔ෮߸ॲཧՃ ! εςοϓ࠶ੜʂ
DPDPB)UUQ4FSWFSͷ߹ ! )551$POOFDUJPON ! /40CKFDU)5513FTQPOTF IUUQ3FTQPOTF'PS.FUIPE /44USJOH NFUIPE63* /44USJOH
QBUI \ JG \ ˙҉߸ԽΩʔϑΝΠϧͷϦΫΤετͷ߹ ҉߸ԽΩʔϑΝΠϧͷ෮߸Խॲཧ SFUVSO<<)551%BUB3FTQPOTFBMMPD>JOJU8JUI%BUBEFD%BUB> ^ FMTF\ ˙௨ৗॲཧ SFUVSO<<)551'JMF3FTQPOTFBMMPD>JOJU8JUI'JMF1BUIpMF1BUIGPS$POOFDUJPOTFMG> ^ ^ !
εςοϓಈըσʔλׂ ! εςοϓ҉߸ԽΩʔϑΝΠϧ҉߸Խ ! εςοϓJ1IPOFʹ)UUQαʔόཱͯΔ ! εςοϓ҉߸ԽΩʔ෮߸ॲཧՃ ! εςοϓ࠶ੜʂ
"71MBZFS7JFX$POUSPMMFSΛܧঝͨ͠Ϋϥεʹͯ ! WPJE WJFX%JE"QQFBS #00- BOJNBUFE \ <TVQFSWJFX%JE"QQFBSBOJNBUFE> !
/463- VSM</463-63-8JUI4USJOHTFMGVSM4USJOH> TFMGQMBZFS<<"71MBZFSBMMPD>JOJU8JUI63-VSM> ! εςʔλεͷมߋΛड͚औΔΦϒαʔόͷઃఆ <TFMGQMBZFSBEE0CTFSWFSTFMGGPS,FZ1BUI!TUBUVTPQUJPOT/4,FZ7BMVF0CTFSWJOH0QUJPO/FXDPOUFYU @@CSJEHFWPJE TFMGQMBZFS > ^ ! WPJE PCTFSWF7BMVF'PS,FZ1BUI /44USJOH LFZ1BUIPG0CKFDU JE PCKFDUDIBOHF /4%JDUJPOBSZ DIBOHFDPOUFYU WPJE DPOUFYU \ JG <TFMGQMBZFSTUBUVT>"71MBZFS*UFN4UBUVT3FBEZ5P1MBZ \ ࠶ੜ <TFMGQMBZFSQMBZ> SFUVSO ^ ! <TVQFSPCTFSWF7BMVF'PS,FZ1BUILFZ1BUIPG0CKFDUPCKFDUDIBOHFDIBOHFDPOUFYUDPOUFYU> ^ !
%FNP
·ͱΊ ! ɾಠࣗϓϨʔϠʔ࡞Βͣͱ࣌ؒͷ҉߸ԽࡁΈ ɹಈըσʔλ࠶ੜՄ ! ɾJ1IPOF෦ʹ)UUQαʔόΛཱͯ)-4Ͱ࠶ੜ
ࣗݾհ ෦ஐ ! ੩Ԭݝग़ɻ J04ΤϯδχΞɻגࣜձࣾΤΫεϥΠζͷ։ൃνʔϑɻ ɹΧϦϑΥϧχΞभཱେֶίϯϐϡʔλαΠΤϯεֶ෦ଔۀޙ *5ϕϯνϟʔاۀʹब৬ɻ ! ɹͦͷޙԻָͷಓΛࢤ͢࠳ંɻ ࠶ͼ*5ۀքʹΓ։ൃʹूத͢Δʑɻ
ɹ૬ஊɺ͓ࣄ͍ͬͯ·͢ɻ
ɹ.1.PWJFX1MBZFS ! ɹ"71MBZFS ! ɹ8FC7JFXܥͷWJEFPλά ! ɹ⒎NQFHܥϥΠϒϥϦ༻ ! ɹࢴࣳډ