I converted some movies to mp4 for an iPod using ffmpeg using the following command:
I thought for sure they would play, but I was surprised by the error message that iTunes gave me: "This file was not copied, because it is unplayable on the iPod" (or something to that effect). I knew that I could use iTunes to re-encode it, but boy, is that slow!Code:ffmpeg -i ~/Desktop/movie.vob -vcodec mpeg4 -b 700 -qmin 3 -qmax 5 -bufsize 4096 -g 300 -r "24000/1001" -acodec aac -ab 128 -ac 2 -ar 48000 -s 320x180 -f mp4 -title "My Movie" ~/Desktop/movie.mp4
So here's what I did. I found a working mp4, called it movie.mp4. I copied that to the iPod, then I opened the iPod in the Finder, and searched the invisible folders for the one that was most recently modified. Inside that folder I found an mp4 with a seemingly random string of letters as the filename (such as, TAEWG.mp4). I copied that filename and deleted the file. Then I copied my movie into this folder and pasted the copied filename (TAEWG.mp4) onto this file.
Then I went back to iTunes, and got Info on the placeholder movie.mp4, renamed it, ejected the iPod, and played the movie flawlessly.
This may come in handy if you have a file that is "unplayable", but you don't want to re-encode. It's worth a try. Sure would be nice if it would just copy to the iPod from iTunes.[/code]
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What a great idea. It worked perfectly, though I forgot to switch out of auto-update mode so I had to reload the movie after it got erased, but in disc mode it seems to work fine. I wonder, too, why doesn't it copy in the first place? Anyway, thanks for the info!
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As it turns out, the reason some of my videos were "unplayable" is because the audio bitrate was too high (over 160kbps).
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