[Arm-netbook] Help, ARM with video composite input ?

Pedro pederindi at gmail.com
Tue Feb 19 12:30:00 GMT 2013

On Tue, Feb 19, 2013 at 1:15 PM, Pedro <pederindi at gmail.com> wrote:
> On Tue, Feb 19, 2013 at 5:09 AM, Roman Mamedov <rm at romanrm.ru> wrote:
>> On Tue, 19 Feb 2013 03:46:08 +0100
>> Pedro <pederindi at gmail.com> wrote:
>>> Hi,
>>> I'm looking for a single-board [1] that can make:
>>> * input / output of composite video (analog)
>>> * input / output of analog audio
>>> (doesn't matter if only one jack or two, i.e. could be a input/output connector)
>>> The capabilities of the CPU & GPU would be to encode and decode at
>>> real time ~MPEG2 (DVD quality)
>>> input / output of analog audio it's easy (a lot of single boards have it)
>>> the difficult feature is the input at composite video (analog) !
>>> I only found this:
>>> http://www.empowertechnologies.com/sbc644x.html
>>> but it's really expensive (~700$)
>>> For solve this problem i'm thinking to search for "capture video card"
>>> cheap and compatible with GNU/Linux, but this is difficult also :(
>>> I see that single boards (or single board + capture video card) cost
>>> between ~50$ to ~300$
>> You can use an USB "EasyCAP" adapter with any ARM board that has USB for input.
>> http://linuxtv.org/wiki/index.php/Easycap
>> It costs $10 on Dealextreme, perhaps $7 or so on Aliexpress.
>> However in my limited testing the video quality was not too great.
> I can't loose video quality : /
>> Alternatively you can use some USB TV tuner from a "brand" name like Aver or
>> Pinacle, probably will have a better video quality; but google around to check
>> the state of their GNU/Linux support beforehand.
> We will see...
>> For output you can use a board that has composite video output natively, such
>> as an A10 board or the Raspberry Pi.
> With this, I have another problem... only I know the case of Raspberry Pi:
> It have a nice GPU, but only accessible with an API, and this make
> limitations for final user, they can only make it run with omxplayer
> [1]
> This is a problem, I want this processing for receive streaming via
> internet (IPTV). But perhaps could work [2]
> What is sure about it, is that I have to get the MPEG-2 license.
> In other place, we have A10's GPU (thanks for share @Roman, I didn't
> know). It seems to be more easy to manage, as is ¿"more opensource"?
> [3] [4] (Mali 400 graphics). But I remark my intention to use for
> MPEG-2 (not 3D rendering).
> [1] http://elinux.org/Omxplayer
> [2] http://raspi.tv/2012/watch-encrypted-dvd-on-raspberry-pi-by-streaming-to-omxplayer
> [3] https://en.wikipedia.org/wiki/Mali_%28GPU%29#The_Lima_FOSS_driver
> [4] https://fosdem.org/2013/schedule/event/operating_systems_open_arm_gpu/

Sorry, I think that will be more interesting using the open format
webm than mpeg-2 [1]
Consider it for your potential answer

[1] http://www.webmfiles.org/

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