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RE: MP4 files and iods (initial object descriptor atom)

Eric,

Thanks for the help.

How can I export something from the QT6 Pro player to obtain an MP4 file?
There doesn't appear to be a way to export to a mp4 file from within the
Windows 2000 version of the player. Is this correct?




-----Original Message-----
From: Eric Carlson [mailto:email@hidden]
Sent: Friday, September 27, 2002 12:18 PM
To: Tuccitto, Sal
Cc: 'email@hidden'
Subject: Re: MP4 files and iods (initial object descriptor atom)


Sal -

At 11:04 AM -0400 9/26/02, Tuccitto, Sal wrote:
>I noticed that the mp4 files available from the Apple web site (such as
>idvd_http.mov, imac_http.mov, and pacific_http.mov) don't include an iods
>atom that is required by mpeg4 14496-1:2001 specification. Is this going to
>cause playback problems in non-Apple players?
>

Note the ".mov" extension on these files, they are QuickTime movies
which contain MPEG4 data (a movie wrapped around MPEG4 data). If you
want a file that will play back without QuickTime you need to export
to .mp4. MP4 files created by QuickTime should have iods's.

Eric Carlson
QuickTime Engineering
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