02 April 2023, 17:43 | #1 |
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Join Date: May 2022
Location: Canada
Posts: 138
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CDTV and CD32 real hardware owners - Help wanted
Hello owners of CDTV or CD32:
I would like to see if someone would be willing to assist me running my video player test on real hardware to measure the performance. I have prepared an ISO image, ready to be burnt and tested. (Confirmed on WinUAE cdtv and cd32: and I did a previous test on my real cd32 a few months ago but it is currently not available for me to test for a few weeks at the moment). The video test is a 20 seconds extract of a movie, in 240x135xHAM6 running at 12 frame per second, currently designed for cd32 double-speed reading. On a CDTV, timed in WinUAE, the video plays in approx 54 seconds. I would like to know what is the time on a real hardware. (With fast ram and a faster cpu, the CDTV could run a bit faster, up to 49 seconds). Since the exact movie size in bytes is: 6,204,660 bytes divided by the total time to play, we obtain the cd read speed: cd32: 6,204,660 / 20.7 seconds = 299742 bytes/second (perfect speed) cdtv: 6,204,660 / 54 seconds = 114901 bytes/second (too slow, should be closer to 150000 ideally) fast cdtv: 6,204,660 / 49 seconds = 126625 bytes/second, still a bit too slow PM me if you are interested in trying it on your machine using a CD-R disc and I'll send you the ISO image. (Note: optionally I could also burn the CD here and send it by regular mail) Thank you very much! Rem |
03 April 2023, 12:25 | #2 |
Registered User
Join Date: Oct 2016
Location: Newcastle, UK
Posts: 264
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I have a CD32 and a TF330 so send me a link via PM and I will try it out
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03 April 2023, 17:44 | #3 |
Registered User
Join Date: May 2010
Location: London, UK
Posts: 268
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Happy to do a test with my CDTV , send the link!
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