[linux-dvb] Watch 4:2:2?

[Wolfgang Thiel <w-thiel@gmx.net>]

Sorry, if this should be a bit off-topic. But that's what I bought
the SS2 for ;-)

Before I re-envent the wheel:
Concerning 4:2:2, I found this in the archives:

>    * To: linux-dvb@linuxtv.org
>    * Subject: [linux-dvb] Re: 4:2:2 video? (Newbie question)
>    * From: Arpi <arpi-nospam-at-thot.banki.hu>
>    * Date: Thu, 24 Jan 2002 01:46:59 +0200 (CEST)
>    * Delivered-To: email_address_removedlimes.convergence.de
>    * In-Reply-To: <15439.17537.9837.189338-nospam-at-gargle.gargle.HOWL>
>    * Sender: linux-dvb-bounce@linuxtv.org
>
>Hi,
>
>> S. Emiclueful writes:
>>  > [Forgive the possible duplication.  I originally sent
>>  > this 2 days ago, but haven't seen it on the mailing
>>  > list yet.  It will probably show up right after I send
>>  > this, making me appear an even bigger doofus.]
>>  >
>>  > I'm interested in what it would take to receive and
>>  > decode 4:2:2 (studio profile) MPEG-2 DVB video.
>>
>> You need an MPEG software or hardware decoder which can handle
>> 4:2:2. Did anybody ever try mplayer, xine etc. with 4:2:2?
>
>no, as i haven't seen such stream yet.
>but, afair, libmpeg2 is 100% standard compliant now, and i remember reading
>about 4:2:2 support in its docs (but maybe in TODO part :)).
>
>could you upload a small sample to ftp.mplayerhq.hu/MPlayer/incoming ?
>
>
>A'rpi / Astral & ESP-team

Did this lead to any solution? I don't find any 'success' reply.

MPlayer doesn't like 4:2:2 feeds, it says:
'MPEG: bad sequence header extension'.

Good old dvb2000recorder for the Nokias 9[56]00 has no problems recording
/displaying the streams.
Old mpeg2decode from the MPEG Software Simulation Group has no prob-
lems either(as frame), so I guess the format is according to the specs.

If there is no solution yet under Linux, I'll try to find out myself
when I find the time. is13818-1 should describe the details, and looking
at the source of mplayer should explain what it doesn't like.....


Wolfgang


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