u/Dinorhinosaur

Been trying to set up a computer to playback interlaced footage to a CRT. Getting an interlaced signal from the computer isn’t hard, but I can’t find a video player that will actually pass interlaced fields to the frame-buffer.

Everything I try just stutters and has tearing. VLC, MPV, M-player, Kodi, FFplay, etc.

If I enable deinterlacing it looks ok, but in that case you are converting it to progressive then back to interlaced, so I’m not sure if it’s ideal. Like let’s say if the field order isn’t standard bottom first, then I’d assume there would be other issues.

I’m using linux and an older Radeon video card. Something like a deck link card is out of the question for other reasons.

Anyone have any ideas?

Been trying for weeks to set up a pc with Linux to use with a crt tv that can stream content or play DVD ISOs.

I planned on using kodi but today ran into the issue that, while you can disable deinterlacing, kodi will only output progressive, and is limited to 30hz. So the video is all choppy.

I had an idea, with high refresh rate TV's and computer monitors becoming more common, could there be a way to display interlaced video natively?

You would display each field twice, turning 60 interlaced fields per second, into 120 frames per second. To fix the combing artifacts, you would retain the field previous to the current field for an extra frame, simulating the phosphor decay of a CRT.

The sequence would look like this:

120fps frames:

Frame1	Frame2	Frame3	Frame4	Frame5	Frame6	Frame7	Frame8

Fields:

Field1	Field1	Field2	Field2	Field3	Field3	Field4	Field4
		Field1		Field2		Field3

You will notice on frames 3-5-7 two fields are displayed at once.

There are 240hz monitors out there that could create an even smoother effect using the same method.

As far as I know, the only reason interlaced video looks good on a raster scan display and not a progressive display, is because of the phosphor decay. Obviously this method would not be able to replicate it perfectly, due to the fact that there is no beam scanning the screen but to me it seems like it could be a good way to display interlaced footage on modern displays.

Also I believe this is how "flicker free" CRT's worked.

Would this work? would it look bad? does this already exist? any ideas on how to do this?

Using an old ATI HD2400 GPU with TV output via component. Works fine with Windows 10 but I’m looking for a media center experience with 10 foot interface and remote support.

The media player also needs to render directly to the GPU in order to support true interlaced content. (As far as I know the windows desktop is limited to 30fps progressive so anything rendering inside a window won’t work)

Mostly playing dvd’s I ripped from my collection. (ISO and MKV)

I’m considering using windows 7 with WMC but is that my only option? Is there anything modern that will work?

Does anyone know which iPod models can output 480i over the component av cables? My iPod touch 2nd gen only outputs 480p and it doesn’t work on my old CRT tv. I can’t find any settings to change it either.

I was planning on getting a 6th or 7th gen classic to use as a media player with this old tv but I’m not sure now if they can output 480i.

I cure my prints at 300F to 320F in a heat press for 30 seconds, they usually always pass the stretch test.

My issue is that the ink seems to shrink, get crispy, and crack way faster than I would normally expect.

I do dry my laundry in the dryer but I had some prints cracking after 2 weeks which I haven't experienced before. Most shirts I've bought last years before cracking. Also it seems to be more or less prone to cracking depending on the color of the ink.

Is this because it's a low cure ink? Like maybe it doesn't withstand heat cycles as well as traditional plastisol? Maybe I'm over curing or under curing the ink?

I don't feel great about selling anyone shirts that will crack that quickly.

Does anyone know how I can get my hands on a full set of 4:3 test/alignment charts for a reasonable price? I need a registration chart, ball chart, log reflectance chart, multi-burst chart, etc. Some of these are pretty hard to find. eBay pricing is usually way too much, and I can't find a complete set of what I need. I have been looking up accu chart and porta pattern, are there any other brands I should be searching for?