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地獄のvideo/audio要素

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  • [ JavaScript ]
  • [ video ]
  • [ audio ]
  • [ media ]

videoaudioFlashvideo使video


videoaudio使2


HTML5 - audiovideo | Think IT

Video - Dive Into HTML5


video HTML5 Video 

audio


SoundJS


video使


MediaElement.js





Q: mp4webm

AddType video/ogg .ogv
AddType video/mp4 .mp4
AddType video/webm .webm
AddType audio/mpeg .mp3
AddType audio/ogg .oga .ogg

apachetext


Q: preload="auto"

video


Q: 

canplaythroughvideoprealod=noneelement.load()


Q: 

videoPartial ContentXHR

XHRdataURIsrc


Q: canplaythrough

FirefoxOperaelement.load()element.play() element.muted = true50mselement.pause() element.muted = falseelement.readyState4canplaythroughreadyState

Operapause()muted=truevideovideo12

FirefoxOpera2IE910


Q: element.pause()element.muted = trueelement.currentTime=0

try/catchIE9element.currentTimevideoAPI


Q: canplaythrough

PCcanplaythrough


Q: 

video: webmh264audio: mp3oggFirefoxOperaChromewebmoggIE9IE10iOSChromeh264mp3(20132


Q: 

Miro Video Converter


Q: webm1

XMedia Recode


Q: videoHTML

videovideopreload="none"IE9, 10Modernizr.video.webmModernizr.video.h264videosrc


Q: 




Q: element.play()0.5 (IE10)




Q: video

element.currentTimetimeupdatetimeupdate114timeupdate


Q: ended(IE10)

PCelement.play()new Dateelement.duration


Q: Safari5element.load()

Safari5videoelement.preload = 'auto'


Q: Safari56

Mac OSX 10.8Moutain LionvideoSafari5videovideopreload="none"preload="auto"Mac OS X 10.8Safari5/6HTMLvideoMac OSX 10.8Safari6

10.7 (Lion)10.6 (Snow Leopard) Safari56CPU


Q: IE10

IE10ChromevideoIE10video使PCNG


Q: 

error


Q: video




Q: IE109

IE10video18JS141814video


Q: SEaudio

5play 


Q: Safariaudio

videoaudioSafariQuickTimeAPIQuickTimemp3


Q: canvasvideo

context.drawImage


Q: muted

playelement.muted = true


Q: Safaridisplay:nonevideo

display:block


Q: Opera

videoopacity:0Operadisplay:none


Q: Safari

displayblocknoneopacity:0Opera


Q: windows XP

windows XPVistaXP


Q: 

Modernizr.videotrue


Q: iOSvideovisibility:hidden

videoHTMLdocument.createElement('video')


Q: 

stalledtimeupdate3000ms


Q: 




Q: Chrome

stackoverflowChrome7


Chrome HTML5 Videos stop working if too many tabs are open - Memory issue? - Stack Overflow


WindowsWindowsChrome


Q: IE10IE

window onunloadvideoremove


Q: videomp3





Q: videoaudio使

YouTube使iOSvideoaudioSoundJS


(一)YouTube使

(二)h264webm

(三)


PCiOSAndroidYoutubeYoutube20UA


Q: video使

API使Chromecanvas20122ChromeChromeChromevideo使

videovideo


video

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