Support and General Use > Hardware

iPod MP4 Decoding Chip

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Rcdude10tc32:
I'm pretty sure i read somewhere that the Ipod Video has a chip built in for playing back mp4 video but it is not supported in rockbox at the moment.  Does anyone know where i can find any information about it, chip prints, manufacture or anything?  Or did i just make this up ha?

Thank you
-Justin

mschneider:
I have not had any problems playing back my.m4a files from my itunes library.

Oh my...probably should have read your post more thouroughly before replying  ::)

safetydan:
There is indeed a video chip built in to the iPod Video. However there is almost no documentation available for it and no one's really made an effort to reverse engineer it. Probably because it'd be a lot of work and Rockbox is mostly about audio not video.

Anyway the wiki has this little snippet that might point you to what is known:

"The 5g iPod has a Broadcom BCM2722 video decoder/processor which is used for video playback. Rockbox currently makes no use of this chip."

Which then links to here http://www.broadcom.com/products/Cellular/Mobile-Multimedia-Processors/BCM2722

Rcdude10tc32:
THANK YOU, i could not find that page for the life of me.   I knew i saw it somewhere on here.

Thank you so much.
-Justin

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