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Post #504

Re: [videoblogging] Re: Inner workings

By Lucas Gonze | Lucas Gonze <lgonze@...> | lucas_gonze
August 1, 2004 | Post #504 | Topic #481

--0-1763983268-1091416505=:7455 Content-Type: TEXT/PLAIN; charset=WINDOWS-1252; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE On Mon, 2 Aug 2004, Adrian Miles wrote:> > On 01/08/2004, at 4:10 PM, Shan= non Noble wrote: > >> >> I am greatly confused by the difference between t= he mp4 download vs. >> the .mov download and this is a great frustration. N= aturally I want >> global access and return and immediate read/stream. So w= hy does one >> format and browser show me immediate stream and another wait= s till the >> entire piece downloads as is such 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 spinning. > > there isn't any di= fference. an mp4 is a particular file format as > ratified by the appropria= te consortium. .mov is a file format used by > QuickTime. its liek the diff= erence betwen rtf and doc, they're just > formats, both download just the s= ame way. > > difference in presentation: one is fast start, the other proba= bly > isn't. fast start means key data at head of file 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 migh= t also be that the browser had to download the whole mp4 file before handi= ng it off to the media player, which is an issue that comes up when you us= e an external helper app versus a plugin. That's why I wrote up how to ma= ke a playlist containing just the URL of the mp4 file. - Lucas > > it is= n't an issue at your end, but at the compression end. > > cheers > Adrian M= iles > ................................................................. > = hypertext.rmit || hypertext.rmit.edu.au/adrian > interactive networked vide= o || hypertext.rmit.edu.au/vog > research blog || hypertext.rmit.edu.au/vog= /vlog/ > > > > > > Yahoo! Groups Links > > > > > --0-1763983268-1091416505=:7455--