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30th August 2011, 15:40 | #9621 | Link |
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There is an official OpenCL extension to interop with OpenGL, and there's another official OpenCL extension to interop with D3D10. There is no official extension for interop with D3D9, unfortunately. Still, it's quite possible to do, and NVidia offers OpenCL <-> D3D9 interop. Only AMD does not. And then AMD releases their OpenVideo Decode OpenCL API, without deinterlacing functionality and with no way to connect to DXVA...
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30th August 2011, 15:56 | #9622 | Link |
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ATI/AMD is uselss. I'd not buy any of their current cards if its about (directshow) video. not having proper deinterlacing hardware support sucks.
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30th August 2011, 15:58 | #9623 | Link | |
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But, I must be an outlier as far as AMD/ATI is concerned. I've built up at least 7 machines recently using various AMD GPU configurations and with the 11.x drivers and have never had a single issue, though 4 of these machines were for friends/family (HD4770/HD5670/HD5770) and the rest are for my internal use (HD2600XT/HD6570). Even with the "one-off" 4770, AFAIK, it's handling some minor HTPC duties and has been updated to the latest 11.x CCC. I have a 6520G in a Llano notebook and have just put in a second HD6570 passive in a test machine, both perform as expected with madVR. One caveat, I am not a gamer, so the only stress my machines get is with madVR.... |
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30th August 2011, 16:19 | #9624 | Link |
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I do like AMD myself, due to good performance per watt, due to *not* having those presentation glitch problems and due to a freely available frame packed HDMI 3D output SDK. Unfortunately neither NVidia nor AMD are really perfect at this time. I wish it were possible to combine the best of NVidia and AMD into one new HTPC graphics card.
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30th August 2011, 16:59 | #9625 | Link | |
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if only your business was in the US, and had former executives in the government. Maybe you could get Goldman Sacks to help; they get whatever they want here (rumor is that Goldman Sacks is considering a "merger" with the US Government, but they have to get a bit more dirt on the regulators first to assure they approve the deal) I miss Liberty |
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30th August 2011, 17:01 | #9626 | Link | |||||
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Strangely though, I just went back to finish watching Wonders of the Universe the other day, which is what I had originally been using to test for this as it's one of the few 25p sources I have that should be played back at 50Hz rather than 24Hz, and I did not encounter any presentation glitches with the latest nVidia drivers. (280.26) I believe the only changes I have made to the rendering settings are increasing the buffer sizes to maximum (memory is not an issue here) enabling D3D11 presentation and enabling the "limit rendering times to avoid glitches" option. This config, or something similar at least, helped before, but I still encountered presentation glitches, which were shown as visible stutters (despite no dropped/delayed frames) just less frequently. Previously, I would have to switch between the new and old rendering methods depending on whether I was playing 24p @ 24Hz, or 30@60Hz/25@50Hz for completely smooth playback. It may have been fixed sooner than 280.26, but this is the first time I've tried to play back 25@50 in quite some time, and it's worked without having to switch between the new & old rendering paths. Last edited by 6233638; 30th August 2011 at 17:04. |
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30th August 2011, 18:17 | #9627 | Link | |
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30th August 2011, 20:01 | #9628 | Link | |
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Does this do any other harm to be always on? I mainly watch 24fps at 24Hz though, and don't need that option enabled when at 24Hz. Bat
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30th August 2011, 20:33 | #9629 | Link | |
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I have now reinstalled Reclock and fiddled with it for a few hours on my main display device (the plasma). Windowed mode screenshot below, note that there is no stutter nor dropped frames and the reclock sync symbol is almost at the absolute bottom left corner. The screenshot was taken after about 5 minutes of play after seeking: windowed mode screenshot Fullscreen mode screenshot below. The screenshot was taken after about one minute and there are already 4 dropped frames, so my previous comment of stutter each 15-30 seconds seems to be very explainable. The reclock vsync symbol is in the (exact) middle left, very different from windowed mode: fullscreen mode screenshot Conclusion: Windowed mode = no stutter Fullscreen exclusive mode = stutter Here are all settingss: All reclock settings Filters in use madvr general settings madvr windowed settings madvr fullscreen settings madvr quality settings Using Nvidia drivers 280.36 (same thing with 280.26) for the 570 GTX. CPU is Core i7 980x @ 4 GHz. edit: Reclock is set as the renderer in the mpc-hc drop-down list. I have absolutely no sound problems of any kind feeding a 24/96 external 2-channel DAC through SP/DIF. Best, X Last edited by Xaurus; 30th August 2011 at 20:36. |
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30th August 2011, 20:37 | #9630 | Link |
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You should disable any ReClock VSYNC correction when using madVR.
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LAV Filters - open source ffmpeg based media splitter and decoders |
30th August 2011, 22:00 | #9631 | Link | ||
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I've just tested a few things after resetting madVR settings to the defaults. "limit rendering times to avoid glitches" on its own does not fix things. "use D3D11 for presentation" on its own significantly reduces presentation glitches. Combining the two eliminates them. Nothing else needs changed from the defaults. Quote:
EDIT: Oh, and don't "give high CPU priority to player." (if anyone is doing this with Haali's Splitter, they should disable that too) Let ReClock adjust the audio more than 1% in speed as well, I suggest 5% up/down. I would also recommend not setting all madVR flush settings to "flush and wait (loop)" unless it's necessary on your system. (the defaults seem to be fine for me now, after trying various configurations in old versions) I've also had a chance to try madVR's refresh rate changer again, and it seems to be working now. (previously, I was stuck with a black screen) Not sure if it's driver related, or because I just did a clean install of Windows 7. However, if the refresh rate changes from 60 to 24Hz, going from fullscreen to windowed mode has the video play back at a very low framerate and it's constantly dropping frames. DVD playback is stuck at 60Hz rather than switching to 24Hz. Looks like I'm still going to be switching manually. Last edited by 6233638; 30th August 2011 at 22:13. |
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30th August 2011, 23:51 | #9632 | Link |
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Finally, someone with the same problem as me. Confirmed. But I don't even use framerate changer, I'm used to switching refresh rates manually (swapping CCC's profiles with a hotkey). But even then I have this stuttering when going from 60 to 24 Hz at the start of a video. This is healed by opening madVR's properties window in filters 100% of the time. Then video flows smoothly.
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30th August 2011, 23:55 | #9633 | Link | |
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I was just thinking of getting a 30-inch screen, and thought of the upscaling of 720p videos, but apparently they will be just fine as it is =). |
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31st August 2011, 00:00 | #9634 | Link | ||
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I don't need my refresh rate changed when I am just previewing videos on window mode. I would like it to be able to change the refresh rate when I go fullscreen to watch the movie. MPC-HC allows that, madVR doesn't... yet (I hope.. I keep bugging madshi about it, though) Bat
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31st August 2011, 00:12 | #9635 | Link |
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I think the glitches happened on the 275 nvidia drivers, with one tweak (overshoot latency or w/e), playback was perfect on any resolution with any video FPS before, now that tweak doesn't work (only limit rendering times works now, but not perfectly), and playback is only perfect at resolutions that are the same as the video fps.
Also, the DX11 path according to the osd should be perfect, as it shows about the same amount of frames in the present que on 48/60hz as the regular path on 24/30hz (same on 24/30hz though, so something must not be working? Also 24/30hz playback is fine), but it has a decent amount of glitches (about same as dx9 path without any tweaks), reguardless of tweaks (none of them work)... I have noticed this for quite some time (even with older nvidia drivers if i recall), and was wondering what to make of it? And as for refresh changing, i usually just take stuff out of the "line" on madvr when i'm not watching something seriously. Generally if i'm going to sit down "kick back" and get into something, it's not that big of a deal (for me anyways) to add/change or w/e on madvr the resolution settings to make playback as seamless as possible. Because for just general/casual video watching, or "previewing", i usually don't care too much. And of course it's most convienent to not have the screen resolution changing all the time. (of course an option like mentioned above to only change when switching to fullscreen wouldn't hurt ) Last edited by Hprd; 31st August 2011 at 00:29. |
31st August 2011, 00:21 | #9636 | Link |
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For those that are looking for an alternative refresh rate changer, there's Autofrequency. Works very well for me. Here's some info on its use.
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31st August 2011, 03:09 | #9637 | Link |
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I have a question, anyone have experience using madvr with an intel hd 3000 gpu or hd 2000 gpu?
I imagine it would work fine as long as you keep the scaling to bilinear or something. Last edited by mindbomb; 31st August 2011 at 03:32. |
31st August 2011, 03:26 | #9638 | Link | |
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The 280 drivers have according to Nvidia a faster Response time also then 275 in those regards.
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all my compares are riddles so please try to decipher them yourselves :) It is about Time Join the Revolution NOW before it is to Late ! http://forum.doom9.org/showthread.php?t=168004 Last edited by CruNcher; 31st August 2011 at 03:29. |
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31st August 2011, 04:30 | #9639 | Link | |
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Well so much for that. Despite not making any other changes to my system (other than watching a couple of other films) madVR's refresh rate changer has started to cause MPC-HC to crash on startup again after changing the display mode. (solid black screen until I hit CTRL ALT DEL and start the task manager)
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31st August 2011, 11:32 | #9640 | Link | |
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there is a third way to have the auto refresh rate: the free software AutoFrequency. Forum link: http://www.homecinema-hd.com/phpBB3/viewforum.php?f=20 Download link: http://www.homecinema-hd.com/down.ph...=autofrequency I use it with mpc-hc and madVr (in D3D11) and it works really fine. |
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Tags |
direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling |
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