On Tue, 27 Jul 2004, Derek Fountain wrote:
> I have to capture and encode a few (like 5) minutes of video and distribute it
> to fairly clueless consumers. Most consumers would be running flavours of
> Windows, maybe a few with Mac or *NIX desktops. Distribution will be via CD,
> possibly LAN in some cases...
>
> I wondered which of the formats the MJPEG tools support would be best for
> this? I thought MPG1, which I figured a standard desktop of just about any
> flavour could play. Would that be right? Are there other formats which MJPEG
Well, maybe. I don't know how many *NIX systems come with MPlayer or
Ogle, etc software already installed. M$ systems have the media player
and can handle a variety of formats. Mac (OS/X) systems can handle
MPEG-4 (which the ffmpeg/MPlayer projects can produce but MJPEGTOOLS
is MPEG-1 and MPEG-2) but unless the Mac folks have either installed
MPlayer (which runs nicely on OS/X but isn't something the average
Mac user is likely to build/install) or have upgraded Apple's
Quicktime Player with the (extra cost) MPEG-2 decoder module.
I've had some interoperability issues with MPEG-4 movies I've made
not being able to play back on a windows system - but that might have
been issues with the DivX plugins not being installed correctly on the
windows side.
> tools can produce which an out-of-box Windows or Mac desktop can play?
The output of MJPEGtools is MPEG. You've a choice of MPEG-1 and MPEG-2.
MPEG-1 is most often used for smaller resolutions such as VCD (352x240)
but it's not restricted to that (but MPEG-1 makes no provision for
interlaced video).
MPEG-2 of course is what DVDs use but MPEG-2 is also what digital TV
uses and interlacing is supported.
If you produce a DVD then any system which has DVD playing software
will be able to play the video and as a benefit a set top box DVD
player could also be used.
Another possibilty would be to make a VCD (which uses MPEG-1) - the Mac
folks can use 'vlc' (www.videolan.org) which is available as a prebuilt
OS/X package. 'vlc' is also available for some *NIX systems as a
binary kit.
Good Luck!
Cheers,
Steven Schultz
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