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Re: Dos 6 conventional memory tricks

You already wrote this. Since you noticed that Floppy does not support DMA any more when E000 is included then DMA when attributed as page frame won't work as well. Usually DMA stops working if the UMB is generated by Shadow RAM when the mainboard does not support DMA from Shadow RAM or if UMB is …

Re: VGA Capture Thread

Regarding Youtube it is probably good to know that it always encodes to YUV 4:2:0 and sets the colormatrix to BT709 (even if your uploaded video is flagged with BT601). If your source material is 1080p no additional chroma subsampling is done for this specific resolution. For the lower resolution …

Re: VGA Capture Thread

The problem is a bit deeper: For SD video the default colormatrix for RGB to YUV is BT601, for higher resolution it is BT709. So when e.g. a player or Youtube presents you the yuv video and converts it back to RGB for the viewport the same color matrix should be used. Reality is that implementations …

Re: VGA Capture Thread

Well the YUV version has the 'shadows' on every high contrast pixel change, such as on the white logo in the beginning. It also appears blurred at 1080p compared to the RGB version. You can see these issues much more pronounced if you choose e.g. a 1080p source with small black text on white …

Re: Terratec EWS64 XL, three questions...

Thanks very much for the awesome info, people - it's really appreciated! :) There is more info here: https://www.vogons.org/viewtopic.php?p=209724&highlight=#p209724 Example TTM file with effects tuned as described in thread above: http://www.vogonswiki.com/index.php/Example_.TTM_file_for_EWS64L/XL …

Re: Terratec EWS64 XL, three questions...

I use in most of my old game machines a EWS64XL with a MIDI daughterboard and a GUS / GUS PnP /ArGUS in the same system. There is no TSR needed. There are three main points to consider: The most important thing for first putting in a EWS64XL is checking the resources with the EPROM tool and change …

Re: VGA Capture Thread

I use libx264 but yuv420 drops off some quality in the source already. Well the thing is that if your capture card supports RGB you should probably encode with x264 in RGB colorspace as well. Though, if the target is youtube then one can convert to YUV as youtube uses YUV anyway. For low res RGB …

Re: DScaler 4.2.3a

Are somewhere some recommendation for S-Video Dos Recording? Dscaler has lots of setting. - in recording option is Height default is 1/2 - 720x288 is dunno why, there is YUY2 / RGB setting. If your capture computer is slower than an Athlon XP 2400+ you may consider to capture in half resolution. If …

Re: DScaler 4.2.3a

As written in the first post, first install the regular 4.2.3 and then copy the 4.2.3a over. The patched version is no installer version, the driver did not change from 4.2.3 to 4.2.3a. If you still get some message about e.g. 'overlay not supported' switch to Direct3D surface (which should be …

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