[Arm-netbook] Allwinner A10/A13 Video Decoder Reverse engineered

[Michal Lazo]

OpenMax  was designed to support zero copy between openmax and opengl/egl
nothing like copy from kernel(video decoder) and back to kernel(gpu drivers)


On Wed, Sep 4, 2013 at 8:29 AM, Vladimir Pantelic <vladoman at gmail.com>wrote:

> On 09/04/2013 01:18 AM, Ken Phillis Jr wrote:
>
>> On Tue, Sep 3, 2013 at 2:24 PM, Vladimir Pantelic <vladoman at gmail.com
>> <mailto:vladoman at gmail.com>> wrote:
>>
>>     On 09/03/2013 06:05 PM, Ken Phillis Jr wrote:
>>
>>         3) This does not currently include OpenGL nor OpenMAX  support.
>>         Both of
>>         these features are required for useful integration on XBMC,
>>         Flash and
>>         other platforms.
>>
>>
>>     why would you need OpenMAX in order have a video decoder supported
>>     in XBMC? the demo itself uses mplayer, whatever codec integration
>>     was done
>>     in mplayer can easily be done in XBMC too, why add a (useless) layer
>>     of OpenMAX on top?
>>
>>
>> The problem is pertaining to making sure that the OpenGL ( or OpenGL ES
>> ) support is in place because XBMC requires the video acceleration code
>> to work properly with OpenGL. If that does not happen the user
>> experience degrades to useless.
>>
>
> as long as you can decode into a piece of memory that openGL can then
> render I still don't see why one would need OMX, but well, writing a
> wrapper is mainly tedious
>
>
>
>
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-- 
Best Regards

Michal Lazo
Senior developer manager
mdragon.org
Slovakia
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