Re: [linux-dvb] How to stream DVB-S2 channels over network?

From: Artem Makhutov <artem@makhutov.org>
To: BOUWSMA Barry <freebeer.bouwsma@gmail.com>
Cc: linux-dvb@linuxtv.org
Subject: Re: [linux-dvb] How to stream DVB-S2 channels over network?
Date: Mon, 22 Dec 2008 12:18:57 +0100	[thread overview]
Message-ID: <494F77A1.1040209@makhutov.org> (raw)
In-Reply-To: <alpine.DEB.2.00.0812211542250.22383@ybpnyubfg.ybpnyqbznva>

Hi,

BOUWSMA Barry schrieb:
> On Sun, 21 Dec 2008, Artem Makhutov wrote:
> 
>>> Use the `-o:' option of `dvbstream' to write to a file,
>>> then see if this file is corrupted or damaged.  If this
>>> is so, then case 1 above would be correct.
> 
>> Everything looks like my SkyStar HD/TT-3200 is producing a little bit
>> currupt stream for DVB-S2 under linux. DVB-S looks prette good.
>> I will try to playback the recorded stream under Windows
>> today afternoon.
> 
> Hi, me again :-)  Sorry to be writing so much today...

No problem :)

> I actually do not know if you are receiving ASTRA HD from
> 19E2, or from elsewhere, and I now realize that earlier,
> I assumed that you did...

My dish is pointing to Astra 19.2E.

> As I noted in my last mail, please try `mplayer -vo null
> etc.' to detect corrupted video.  The `-nosound' option
> means that every frame will be checked, no matter how
> slow my^H^H your machine.
> 
> In case the bandwidth is of concern, because I do not
> know what to expect from HD DVB-S2 transponders...
> 
> I'm assuming, from your headers, you're somewhere in
> germany -- if you are within the Astra 2D footprint at
> 28E2, meaning, the west or northwest, you can receive
> the BBC-HD signal with a reasonable dish -- this will
> fill about 7 to 8GB per hour on disk, and is sent via
> DVB-S at present.  Around Berlin, you'll need perhaps a
> 2 metre dish.  If you can tune it, this will give a DVB-S 
> reference at a decent bitrate, probably similar to ASTRA
> HD.
> 
> Alternatively, on DVB-S, Eins Festival HD starts in less
> than 24 hours; the bitrate is not so high -- I have some
> files from the past Easter holiday that require, for
> example, 21GB from somtime after 13h to just after 17h,
> so a bit better than good quality SD video, but slightly
> less than the BBC-HD stream.  Both these are H.264.
> 
> With a few hours of suitable HD recording, you can then
> definitively say, oh yeah, the -S2 transport streams are
> indeed corrupt and the -S streams perfect, or not, or
> something.  That would be very useful, if it isn't
> already widely known.

Yes, I will try it out today.

Regards, Artem

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