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Post #503

Re: [videoblogging] Re: Inner workings

By Adrian Miles | Adrian Miles <adrian.miles@...> | adrianlmiles
August 1, 2004 | Post #503 | Topic #481

On 01/08/2004, at 4:10 PM, Shannon Noble wrote: > > I am greatly confuse= d by the difference between the mp4 download vs. > the .mov download and t= his is a great frustration. Naturally I want > global access and return an= d immediate read/stream. So why does one > format and browser show me imme= diate stream and another waits till the > entire piece downloads as is suc= h the case here. The mp4 file had to > download completely and the .mov QT= streamed immediately...I=92m using > Safari for this. Oye. My head is spi= nning. > > there isn't any difference. an mp4 is a particular file format = as ratified by the appropriate consortium. .mov is a file format used by = QuickTime. its liek the difference betwen rtf and doc, they're just format= s, both download just the same way. difference in presentation: one is fas= t start, the other probably isn't. fast start means key data at head of fi= le so video can play before all data downloaded. non fast start means this= data is not at head of file so entire file needs to be downloaded before = it can play. it isn't an issue at your end, but at the compression end. c= heers Adrian Miles ........................................................= ......... hypertext.rmit || hypertext.rmit.edu.au/adrian interactive networ= ked video || hypertext.rmit.edu.au/vog research blog || hypertext.rmit.edu.= au/vog/vlog/