Frameloss with an ATI All-In-Wonder 128

[AzNDrAg0nBoi12]

Im having problems capturing. Im using a 1GHZ processor, and an ATI All-In-Wonder 128. Whenever i use huffyuv or any codec, it skips a lot of frames. I tried using the MMC and Virtualdub to capture and they all have the same results, frameloss. I want to have a 640x480 screen resolution with 29.97fps. Can someone help me with my problem?

[LordKariya]

Make Sure DMA is turned on for your HD.

If your HD is 5200 rpm you will have problems.

Do you have to put your ethnicity in your nick ?

[AzNDrAg0nBoi12]

how do i find out if my HD is a 5200 rpm? o yeah and how do i turn on DMA?

and im proud of being an AzN

[LordKariya]

Do some research...

[Thorn]

Also defrag your hard drive, so it doesn't have to skip around while writing.

[Craig Tucker]

Do you have to put your ethnicity in your nick ?

Do you have to put your peerage in yours

[PerfMan]

First... upgrade to latest ATI drivers... you will lose the ability to use VirtualDub... since it only support VFW drivers and ATI's new drivers don't support VFW anymore... so use ATI MMC 7.6 to capture. You can find 7.6 on ATI's site... but not under the AIW 128 board... look under the Radeon board... trust me it works... just isn't officially supported.

Next when capturing you will need to set IBP frames to I only. Significantly reduces the CPU required to capture to... which is causing your frame loss... I have an XP1700 and it will drop frames capturing at the res you want unless I set it this way.

Third is consider capturing at lower res if drop frames is still a problem. I capture from VHS tapes at 352x240 at 3000kb... then use the KVCD template (change bitrate to max of 2500) and burn with Nero as a VCD... they look very good.

[Craig Tucker]

First... upgrade to latest ATI drivers... you will lose the ability to use VirtualDub... since it only support VFW drivers and ATI's new drivers don't support VFW anymore

I have an AIW Radeon 7500, with the latest drivers and MMC 7.7 installed (downloaded from ATI's web site just last week), and I can capture with virtualdub. I use XP pro which has the VFW-WDM wrapper built in to the OS, but you can install this seperately to allow the use of vdub on other operating systems.

[AzNDrAg0nBoi12]

is there i way where i can still use virtualdub to capture? i heard virtualdub was really good at capturing. Im usiing Windows 98 btw

craigtucker, im not really 12, im 13. i just felt like putting in a 12

[fingernailX]

Yes you can but trust me - listen to Perfman - capture in Mpeg 2 with MMC 7.6 (7.7 has problems) I-frame only, high bitrate (15Mbps), deintelaced so you don't have to do it in software later with 720 by 480 (for ntsc) and use Xmpeg or the latest flask to resize and encode to vcd, svcd or DVD Xmpeg comes with bbmpeg but the ligos premiere plugin will work as well as CCE if you have access to these Guides and instructions are readily available. It is all kept in the yuv colorspace and it is the fastest best quality way to go. Huffyuv, DV and MJpeg avis are slower and virtualdub doesn't deinterlace the source on the fly (at least not that I'm aware of)

[AzNDrAg0nBoi12]

i want to capture as an avi cuz theres a guy who caps and he knows how to make the caps look like a DVD rip if you encode it correctly after. I downloaded one of his caps and there looked very nice. He told me how to get them in that quality but he said that you have to cap the episode as an avi first

[fingernailX]

DVD rips (theatrical release) ARE progressive Mpeg 2 not interlaced avis!!!!!!!!!!!!!

[Thorn]

Perfman... why do you suggest capturing direct to mpeg? It takes more CPU power to capture direct to mpeg than to capture to Huffyuv. Furthermore, the ATI has pretty low quality when capturing to mpeg. The only reason people use that feature (last I checked) was to save HD space. Those who have the space use Huffyuv, and if HD space is at more of a premium than CPU, mjpeg is an option. I captured I-frame only at first as well, but moved on to huffyuv when I had the space. The difference in quality is amazing. BTW with I-frame you still have to re-encode so you're going from lossy to lossy formats, meaning more loss to the image quality... I'm not saying it can't look good just that it's at a handicap versus lossless capture.

Back to the original question... One way to tell if your HD is the bottleneck rather than your CPU (and I think it is, since I capture at 720x480 with Huffyuv and it takes about 45% of my 1.33 GHz athlon) is to capture uncompressed rather than Huffyuv. It uses less CPU but writes more to the HD.

[fingernailX]

Thorn

I can't answer for Perfman but I do capture with MMC 7.6 I frame only at max frame size, bitrate, quality and, most importantly for me, deinterlace. It has nothing to with size (80 gb dedicated capture drive) but everything to do with quality and speed. AVI conversion to mpeg is slow. Mpeg to Mpeg with Xmpeg/latest Flask is fast. Software deinterlacing is slow. On the fly with AIW is real time. If I had the spare cash to buy a Targa 3000 and capture D1, 50 Mbps, deinterlaced I would but I am very happy quality wise with my setup. Huffyuv and software deinterlacing gives me poorer results than Mpeg 2 iframe thru the AIW and takes much longer. I output to a Infocus LP350 and the results are superb but it has to be deinterlaced.

I would love to hear from anyone using huffyuv and the dscaler direct show filter to deinterlace their tv captures if it can be done - particularly with a built in tuner.

[AzNDrAg0nBoi12]

i didnt say i wanted to make them into DVD's. I said that im gonna make them DVD quality