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

Subject: Re: MP4 files and iods (initial object descriptor atom)
From: Eric Carlson <email@hidden>
Date: Fri, 27 Sep 2002 09:18:03 -0700

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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References:
	>MP4 files and iods (initial object descriptor atom) (From: "Tuccitto, Sal" <email@hidden>)

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