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https://forum.hyperion-entertainment.com/viewtopic.php?f=33&t=879
Please remember that the RadeonHD drivers are still not completely optimised. I believe that rendering videos is currently quite CPU intensive, but at some point that will presumably be fixed. Steve Jones mentions this (mostly in relation to HD video playback) in his X1000 demo:amigasociety wrote:One thing that surprises me, that while playing a DVD, and I launch say OWB-MUI to browse the net, the video starts playing slow motion or choppy
What about the demo videos of people running multiple videos in separate windows on an X1000? They appeared to make it look easy to watch three different movies at the same time in separate windows on your X1000 while still doing other work on it. Not that I want to try to do that, but you can see that demonstrating something like that could be very misleading to some people and it would come back and bite who ever made such a demonstration video.ChrisH wrote:Please remember that the RadeonHD drivers are still not completely optimised. I believe that rendering videos is currently quite CPU intensive, but at some point that will presumably be fixed. Steve Jones mentions this (mostly in relation to HD video playback) in his X1000 demo:amigasociety wrote:One thing that surprises me, that while playing a DVD, and I launch say OWB-MUI to browse the net, the video starts playing slow motion or choppy
http://www.youtube.com/watch?v=CXEd50DUns0
What X1000 owners show their machine doing is entirely their responsibility, and not something we can control. I believe that Steve Jones went to great lengths in his video to explain that he couldn't get HD videos running smoothly, due to the current RadeonHD drivers. That the current drivers ARE capable of running multiple SD videos simultaneously is still pretty impressive IMHOAmigaDave wrote:What about the demo videos of people running multiple videos in separate windows on an X1000? They appeared to make it look easy to watch three different movies at the same time in separate windows on your X1000 while still doing other work on it. Not that I want to try to do that, but you can see that demonstrating something like that could be very misleading to some people and it would come back and bite who ever made such a demonstration video.
ChrisH wrote:What X1000 owners show their machine doing is entirely their responsibility, and not something we can control. I believe that Steve Jones went to great lengths in his video to explain that he couldn't get HD videos running smoothly, due to the current RadeonHD drivers. That the current drivers ARE capable of running multiple SD videos simultaneously is still pretty impressive IMHOAmigaDave wrote:What about the demo videos of people running multiple videos in separate windows on an X1000? They appeared to make it look easy to watch three different movies at the same time in separate windows on your X1000 while still doing other work on it. Not that I want to try to do that, but you can see that demonstrating something like that could be very misleading to some people and it would come back and bite who ever made such a demonstration video.
(Remember that HD videos usually use advanced codecs which require much more CPU power to decode, and so will need more CPU power than SD videos - even after accounting for the extra pixels being displayed.)
I do have my own worries on whether or not AmigaKit/A-Eon/etc are doing enough to explain exactly what First Contact X1000's are *currently* capable of (and what they aren't), but there is also a limit on how much you can expect them to do. A-Eon has let the X1000 be demoed at shows & even some Amiga clubs, at which people are usually allowed to try them out & run almost anything they want on them (and then report that on Amiga forums). I imagine Amiga Future will have been allowed to review one? And there is nothing to stop people asking on Amiga forums about the X1000...It would be good to know exactly what our X1000's are capable of doing though, so we can promote them properly to other interested Amiga users.
Given that First Contact systems are (I think) aimed to hard-core "early adopter" Amiga enthusiasts, I don't think it's unreasonable for A-Eon & AmigaKit to expect that buyers will have some idea of what AmigaOS4 can & can't do, and to have done some research about the X1000 before forking-out approximately 2 grand! I am assuming that later "non-First Contact" X1000s will be more feature complete, so that issues like unfinished drivers will hopefully not exist, and thus there will be less worry about the buyer needing to know exactly what they are getting.
I have no idea if it is the cause of the choppy playback in your case, but quite a lot of DVD drives are badly made, or released before their firmware is fully tested. With my A1-XE, video playback was fine until I bought a new DVD driver. With the new DVD drive, encrypted DVDs would be choppy, even though no other applications were running, and CPU usage was below 50%. Ripping the DVD, and playing back the resulting file resulted in smooth playback. Conclusion: my new DVD drive was substandard.amigasociety wrote:One thing that surprises me, that while playing a DVD, and I launch say OWB-MUI to browse the net, the video starts playing slow motion or choppy. I have always expected video playback on the Amiga OS to be seemless. As I let the movie play it seems to get back on track but still, stimmys and stops would happen as I clicked on websites, etc...
TJ
Prompted by Trevor, I gave a quick test of a DVD while OWB was already running, and I didn't notice any problems. I also quit & then restarted OWB, and barely noticed any juddering at all (and only for a brief moment) while sound continued to play perfectly.amigasociety wrote:Could the issue be that those videos of people playing multiple videos at the same time are not doing DVD obviously but instead playing avi files or some other file format that Amiga OS 4.1u5 seems to handle better than an actual DVD like I was doing?