pouët.net

Revision 2012

category: parties [glöplog]
Tjoppen: I'll bring a small 15" TV for my Atari 1040STe. Pretty sure we'll finish our songs before the party so it's probably possible to borrow it. The only thing concerning is that we need to find a coder that can make our atari song executable so we might need the tv for a bit of testing if we succeeded that quest. :)
added on the 2012-03-27 23:02:27 by cerror cerror
Tjoppen: I'll have my pico beamer with me. Not sure if that's helpful, but.. yeah (:
added on the 2012-03-28 00:01:55 by ___ ___
@Rebb. I guess that quest is succeeded. ;-)

Thanks!
added on the 2012-03-28 00:04:05 by cerror cerror
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added on the 2012-03-28 00:24:24 by ___ ___
Noooooooo :((((
added on the 2012-03-28 08:24:42 by okkie okkie
Photon: A small LCD sounds fairly nice. It'd be useful for future parties, and it sounds like it'd fit in my bag.
>what nice, female holes the display needs to have
I assumed "A/V" was clear enough (composite + audio @ RCA plug), but here's a picture just in case:

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So yeah, I want to put those RCA plugs into some things' female holes. You'll also see have a mono-stereo RCA adaptor and a stereo RCA to 3.5mm TRS plug.

cerror: Noted.
Knoeki: Noted. Hah, and I didn't notice that reference when I watched the video. this_pleases_rd.jpg
added on the 2012-03-28 10:07:43 by Tjoppen Tjoppen
Okkie: not my fault there's a blatant reference to MLP right there.

http://www.youtube.com/watch?v=2Mu38Gcyoi8
added on the 2012-03-28 10:57:30 by ___ ___
Goddammit!
added on the 2012-03-28 11:47:51 by okkie okkie
Tjoppen/Cerror: If you bring a PC, wouldn't one of those cheap USB video capture things do the trick? You would get the live image from your Atari on your windows desktop.

Never tried one, so don't know how the picture looks, or if framerate stuff will get messed up. But thought about trying it out with my amiga.

http://s.dealextreme.com/search/usb+capture
added on the 2012-03-28 12:39:46 by tFt tFt
Okkie: Better lay off your MLP hatred fast. Or fear the wrath of the guy in control of the big, bright rectangular thing right behind you :P
added on the 2012-03-28 12:39:48 by kb_ kb_
tFt : They dont. These budgetty things expect a perfect 50hz signal for capturing and this old hardware simply does not deliver that, so you will have (among other weird phenomenons) frameskips and white lines on the left of your capture as the hsync-signal is HUGE on these hardware platforms and often misinterpreted for image date.
added on the 2012-03-28 12:54:05 by franky-- franky--
tFt: Yeah, I looked at EasyCap. It apparently works with Linux too. I think they output MPEG2TS, which should edit well once remuxed to a saner container like MOV. I couldn't figure out which one to order, so I never got around to it. Ordering one now is probably too late. I don't think snagging a capture at the party will be much of a problem though.
franky--: Picture cruft like white lines can be fixed in post. Frame skips would be a bigger problem.

okkie: You know that getting upset only makes their little ponies harder, right?
kb_: The compos on Saturday are about the same as the show (AFAICT), so there's at least little risk of any live stream being beamed..
added on the 2012-03-28 13:01:21 by Tjoppen Tjoppen
Quote:
kb_: The compos on Saturday are about the same as the show (AFAICT), so there's at least little risk of any live stream being beamed..


Doesn't matter anyway, iirc the season finale airs this satuday, so no new episodes during easter...
added on the 2012-03-28 13:34:53 by ___ ___
Tjoppen: When thinking about it, I wonder if I actually bought one of these things some time ago? If it was from dealextreme or in the scrap-offers-box at Clas Ohlson or JULA. I will look for it and bring it for sure.

Franky: What about Amiga, will there be any problems there you think?
added on the 2012-03-28 14:09:04 by tFt tFt
tFt: basically everything that doesn't output a proper PAL or NTSC signal will probably produce bugs with cheap capturing hardware. As these formats are interlaced by definition, all non-interlaced modes probably won't work. Interlaced ones may do, tho.

And regarding the white line at the left or noise: That's only a problem if you're too much of a pussy to set up VirtualDub or AviSynth correctly :P (or, yes Franky, if you've got to capture lots of prods under extreme time pressure, don't worry :)

added on the 2012-03-28 14:49:01 by kb_ kb_
kb_ : our trained professional compo recorders have a manual to

a) scroll the white line out of view using the menu system of the scanconvertor
b) change the brightness so that "poke53280,1:poke53281,1:print chr$(147)" equals "notepad white" on the recording kit
c) are aware that recordings look like utter crap as on the pc you are looking at half frames and not full frames but will look fine when put on the beam

we have done this before, you know ;) (oh yes, you do.. damn)
added on the 2012-03-28 15:02:32 by franky-- franky--
b) Wait, Y U NO use a histogram to adjust the Y levels to the 16..240 range as specified with YPbPr formats using the BT.601 matrix? ;)
added on the 2012-03-28 15:13:00 by kb_ kb_
Knoeki: I looked around a bit - apparently it airs April 21st, FYI.

tFt: That would be nice.

kb_: Actually, it's probably possible to output an interlaced signal on the VCS as long as VSYNC is timed very carefully. IIRC the top and bottom fields are 288.5 and 287.5 lines respectively.
Cropping can also be done with ffmpeg/avconv -vf crop. Or one can use an NLE like kdenlive or cinelerra.
added on the 2012-03-28 15:14:27 by Tjoppen Tjoppen
Tjoppen, that's the thing I've asked myself when looking at the VCS docs - why hasn't anyone tried interlacing yet? :)
added on the 2012-03-28 15:17:15 by kb_ kb_
kb_: b) Cos we be the oldskool, bitch. We dont care about your fancy histograms, we just invent a new resolution. Ha.
added on the 2012-03-28 15:50:28 by franky-- franky--
Quote:
Knoeki: I looked around a bit - apparently it airs April 21st, FYI.


Oh. Yeah. I just looked, and there will indeed be an episoide out during easter weekend.
added on the 2012-03-28 16:14:19 by ___ ___
kb_: Definately something to consider. That could yield a net resolution of.. 40x576 samples :) (a bit more with GRP0/GRP1 yada yada).
This site has some useful information.
Interestingly most/all PAL games and demos use 228 active lines per frame when 287 should be possible (576 with interlacing). Of course this leaves even less time for logic to run during blanking - 24 lines per field or ~1800 cycles.
added on the 2012-03-28 16:23:02 by Tjoppen Tjoppen
Quote:
Quote:
Knoeki: I looked around a bit - apparently it airs April 21st, FYI.

Oh. Yeah. I just looked, and there will indeed be an episoide out during easter weekend.

There will be Ponytime @Revision2012? Now I really wanna join this party.
added on the 2012-03-29 10:43:57 by merkur merkur
Turns out I'm not coming. Have a great party :)
added on the 2012-03-29 12:12:02 by visy visy

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