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RenCutypoison on 27 July 2013
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walsufnir said:
RenCutypoison said:
ethomaz said:

I can be wrong but the video record uses dedicated hardware... stack RAM.


From what I remembered from my assembly language lessons, stack is only a few kB.

The dedicated hardware part must be a part of the APU with a bridge connecting the GPU so that every Image send trough video out is send to RAM, then every pack of X images are sent back to the GPU (A part of the GPU dediacted to video encoding) and thus the 15 minutes limit is the RAM limit.

That's how I would do it tough, it may not be that way and I probably say shit.


Stack RAM is not stack the way you once learned. It means "on chip" in this context. Actually it's called "stacked RAM".

Thanks for the info. 

So it's still all about how they encode the video, as 512mb SDRAM seems not that much for non encoded.

If the video isn't on the RAM, it's just impossible that Sony, wich was once the king of embedded hardware, would use 3.5 GB for the OS, or there are freaking awesome news to come OS-side.