Justin Wetherell wrote:
> Does anyone know about the ipod video format (I know little to nothing
> about iPods and Apples)? I am assuming it's quicktime. The question
> really is: My wife has an iPod video and I was wondering if we can hack
> the encodingserver to create a format that's compatible with the new
> video iPods.

A quick 'ipod video format' came up with:
http://www.apple.com/ipod/specs.html

    * Video formats supported: H.264 video, up to 1.5 Mbps, 640 by 480
pixels, 30 frames per sec., Low-Complexity version of the H.264 Baseline
Profile with AAC-LC audio up to 160 Kbps, 48 kHz, stereo audio in .m4v,
.mp4, and .mov file formats; H.264 video, up to 768 Kbps, 320 by 240
pixels, 30 frames per sec., Baseline Profile up to Level 1.3 with AAC-LC
audio up to 160 Kbps, 48 kHz, stereo audio in .m4v, .mp4, and .mov file
formats; MPEG-4 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per
sec., Simple Profile with AAC-LC audio up to 160 Kbps, 48 kHz, stereo
audio in .m4v, .mp4, and .mov file formats.

AFAIK H.264 is x264, so it should be supported by mencoder.

Here's a second pass ffmpeg command, the first pass has -pass 1. Found
this in the MEncoder-users list, so I haven't tried it.

ffmpeg -i $directory/$file -comment '$file' -title '$title' -author
'$author' -timestamp '$rightnow' -y -cropleft 10 -cropright 10 -croptop
8 -cropbottom 8 -deinterlace -vcodec xvid -s 320x240 -r 29.97 -b 384
-qmin 2 -qmax 5 -bufsize 4096 -acodec aac -ab 96 -g 300 -pass 2
-passlogfile /tmp/ipod_log -f mov feedpath'$filename'.pass2

BTW encoding server uses mencoder.

I don't have an ipod, so you will need to figure out the exact command.

Duncan


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