[Arm-netbook] CedarXWrapper - A library for tracing the cedarx library

Alejandro Mery amery at geeks.cl
Tue Aug 28 13:44:59 BST 2012


On 14 August 2012 11:05, Tom Cubie <mr.hipboi at gmail.com> wrote:
> On Tue, Aug 14, 2012 at 4:36 PM, Iain Bullard <iain.bullard at gmail.com> wrote:
>> Thanks for all the feedback, its appreciated.
>>
>> I should explain that I was pointed towards the memory mapped IO
>> tracing by Luc Verhaegen from the lima driver project. The basis of
>> the wrapper code and logging code is heavily borrowed from the lima
>> project. So many thanks to Luc.
>>
>> I do have access to unstripped versions of the cedarx decoding library
>> where the function name which triggered a memory operation could be
>> recorded but I think this would cause problems when trying to perform
>> a 'clean room' style reverse engineering effort. Recording the
>> internal function names of the driver might be peering in too far?
>>
>> Tom: what are licencing restrictions on those libraries and
>> documentation? If a very simple standalone player were created using
>> them could the required libraries you put on dropbox be released with
>> it?
> The libraries are released to customers, so it's free to use. The
> document is the same one you can find online, free to distribute. And
> yes, you can create a player with it and release it.
>>
>> Also, would it be possible for us to put those libraries up on github
>> (or anywhere else more permanent) and replace a10 video code which
>> doesn't work here: https://github.com/amery/allwinner-a10-video?
> ok, i will send a pull request.

I can give you commit access too ;-)



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