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7th July 2015, 00:40 | #31561 | Link | |
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just check it with GPU-z |
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7th July 2015, 17:57 | #31562 | Link | ||
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I'm going to try not using FSE while using D3D11 windowed mode to see if that bug that always forces me to go back to FSE is squashed. (the composition rate changes randomly and this mismatch causes the videos to be choppy. eg when the composition rate is 23.976 and I am watching a 60p video clip) You were right that the dxva copy-back doesn't seem to affect the clock rates much. I think it's best for the card to stay at a single clock rate, say the 450mhz/1250mhz mid state instead of constantly fluctuating. low power state for my card is 300mhz/150mhz
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MPC-HC/MPC-BE, Lav Filters, MadVR CPU: AMD Ryzen 5 1600, Video: AMD Radeon RX Vega 56 -> TCL S405 55", Audio: Audio-Technica M50S |
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7th July 2015, 18:47 | #31563 | Link |
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Yeah, but it's kind of esoterism to conclude D3D11 would be magically 100% faster than D3D9 just because of the rendering times (which are not a secure method to measure performance, even according to madshi) without really benchmarking this under clean conditions.
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7th July 2015, 21:12 | #31564 | Link | |
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7th July 2015, 21:57 | #31566 | Link |
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I am using MPC-HC with madVR and a 3D LUT. I am using a laptop as the source. The laptop has an i5 quad core and ATI 4500 equivalent GPU. I am struggling with video playback FPS. Is there a guide that anyone can suggest that suggest how to increase performance madVR performance with a 3D LUT (or even without it)? The big win for me is running the 3D LUT to achieve an accurate Rec709 gamut.
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7th July 2015, 22:56 | #31567 | Link | |
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8th July 2015, 02:38 | #31568 | Link |
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I would actually start first with the trade quality for performance stuff. A better image upscaler or smooth motion on is more noticeable than madvr doing math in 10 bit instead of 16 bit. The setting to toggle 10 bit buffers gives quite a bit of performance for its negligible tradeoff.
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8th July 2015, 08:53 | #31570 | Link | |
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Should I try selecting all the tick boxes in the trade performance for quality section? The default install has the first half of the options selected already. The default chroma, up scaling, and down scaling options are already as suggested above. (Bicubic and lanczos) I tried adjusting the 3d lut bit rate option on the trade performance for quality page to the lowest value of 6. I still had stuttering playback. Is there anyway to divert the load from the gpu to the cpu?my processor is showing max 6%, and that is likely for only one of the 4 cores. Is my hope of using a 3d lut with this laptop realistic? (Cpu is i5 m450 @ 2.4Ghz, 4Gb ram, Ati 540v gfx) Last edited by SithUK; 8th July 2015 at 08:59. |
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8th July 2015, 09:06 | #31571 | Link |
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Is the decoding being done on the GPU? If you're using the LAV filters (through MPC-HC or otherwise), check the Hardware Acceleration section in the video decoder settings.
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Test patterns: Grayscale yuv444p16le perceptually spaced gradient v2.1 (8-bit version), Multicolor yuv444p16le perceptually spaced gradient v2.1 (8-bit version) |
8th July 2015, 09:59 | #31572 | Link | |
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Lav filter video settings Hardware acceleration is using Dxva2 (native) Even if I set the option to none, would it transfer the madvr 3d lut related processing off my gpu? |
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8th July 2015, 10:15 | #31573 | Link |
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CPUs are incredibly bad at video processing (or maybe more accurate, GPUs are extremely good at it), so any video processing on the CPU would be extremely inefficient.
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LAV Filters - open source ffmpeg based media splitter and decoders |
8th July 2015, 11:56 | #31574 | Link | |||
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That means Oldpath is way faster than the rest. For me it's important with my laptop, that can be easily as loud as a hover, lower power states/frequencies means less heat which means less noise. Quote:
And if you use subtitles (I do) and MPC/MPC-HC , than there's 1-2 subtitle related settings (like animation related) which can affect speed as well. Try them out and check your gpu usage in the meantime with GPU-Z. More than that, they use separate part of the gpu (vpu) which nothing to do with other madvr settings, at least with nvidia GPUs (I don't know anything about ATI cards).
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8th July 2015, 12:06 | #31575 | Link | |
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Processing is not decoding.
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LAV Filters - open source ffmpeg based media splitter and decoders |
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8th July 2015, 12:33 | #31576 | Link | ||||||||
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8th July 2015, 12:39 | #31577 | Link |
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madVR v0.88.16 released
http://madshi.net/madVR.zip Code:
* modified SuperRes algorithm slightly (faster, less artifacts, less sharp) * added SuperRes "use alternative color space" option * replaced SuperRes "HQ downscaling" option with new "algo" multi option * removed SuperRes "softness" option (now always 0.00) * fixed: decoder sending BT.2020 decoding matrix wasn't properly detected All SuperRes users, please play with this new build. There are 2 new options: "algo" and "use alternative color space". I've intentionally named them in such a way that you can't know which does which exactly. I would like to hear your feedback about which settings you like. This time the upscaling factor is less important (higher factor might make differences more obvious, though). Also this time don't try to find optimal passes/sharpness values. Instead it might make sense to dial passes/sharpness up as much as your GPU can handle, so you can better judge the differences between the various new options. Higher passes/strength values will make the differences more obvious. Please make sure you have the other sharpening algos (FineSharp, LumaSharpen, AdaptiveSharpen) disabled. And please make sure you have "refine the image only once after upscaling is complete" activated. |
8th July 2015, 13:31 | #31578 | Link |
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dropped frames specific file and nnedi3
Hi guys. today i started watching a movie and noticed that was not smooth, i saw the stats on madvr and was showing a lot of dropped frames. tried another file and playback was smooth, so i thought it was file specifc.
i noticed that when in windowed mode playback is smooth even in 60hz mode, but when i maximize window it have the same problem than in fullscreen exclusive. there is some pictures for explanation. i noticed that rendering time increased drastically when in fullscreen or maximized window but only for this file. i fixed the problem by disabling double luma resolution, i was using always and nnedi3 64 neurons, but i always used this option and no problem happened before. also all my used settings i think is in the screenshots, i am using madvr v0.88.8, nvidia gtx660ti, i5 3570k, 8gb ddr3. even i lower resolution movies that i think is the heaviest for doubling resolution played fine with no dropped frames and rendering time under 14ms. so what coulb be the problem? another question i have is an older one in fact. when i started tweaking a little more with madvr settings read that nnedi3 improves even more the image quality. i noticed that when using this option the image gets a little glitchy with some random dots appearing, i noticed that this was discussed here. what i did to fix was using the mpc x64 with madvr, i don't know if i did it right but the glitches are gone. but my question is, in current versions there is still this problem? do you guys think that nnedi3 worth the performance hit from 4ms to 16ms rendering time? thanks in advance. Last edited by leandronb; 8th July 2015 at 18:50. Reason: add images |
8th July 2015, 13:57 | #31579 | Link | |||
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In any case, what does the debug OSD (Ctrl+J) say about the movie framerate? And is deinterlacing on or off for the problematic file? My best guess is that it's a 60i file, which madVR has to deinterlace to 60p. Which consumes twice as much processing power as a 24p file does. Quote:
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8th July 2015, 14:04 | #31580 | Link |
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Tried new SR with SXBR, 10 passes 1.00 str. Alternative color space makes the edges darker, a bit blurrier and maybe a little more artificial on pretty much everything I test. Subjectively it looks worse. Algo options don't seem to do anything at all, as I can't notice even a slightest difference.
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direct compute, dithering, error diffusion, madvr, ngu, nnedi3, quality, renderer, scaling, uhd upscaling, upsampling |
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