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14th February 2021, 11:34 | #18941 | Link | |
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14th February 2021, 13:19 | #18942 | Link |
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Hi,
maybe my question got lost: Would it be possible to enable GPU Decoding for AMD GPUs? At the moment, its "CPU or GPU" and if seems only nvidia or intel decoding is possible. Would be cool to have AMD Decoders available, too and make it selectable (like the OPENCL Options). Thanx! |
14th February 2021, 13:47 | #18943 | Link | |
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By the way. You are not missing a lot in terms of encoding time. Maybe up to 3%-5% if you do not do any filtering in avisynth.
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Windows 7 Image Updater - SkyLake\KabyLake\CoffeLake\Ryzen Threadripper Last edited by Atak_Snajpera; 14th February 2021 at 13:49. |
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14th February 2021, 14:04 | #18944 | Link |
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Rigaya keeps this up to date
https://github.com/rigaya/VCEEnc/releases |
14th February 2021, 14:49 | #18945 | Link | |
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14th February 2021, 16:33 | #18947 | Link | |
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Thanks for your help! |
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14th February 2021, 18:42 | #18948 | Link | |
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I am aware that the speed difference isnīt that huge I was under the impression, that since ffmpeg seems to incorporate some means of using the AMD decoders, that it would be as simple as "switching it on and make a selector for AMD/NVIDIA/Intel decoders". I stumbled across this in the ffmpeg wiki: "AMD UVD/VCE AMD UVD is usable for decode via VDPAU and VAAPI in Mesa on Linux. VCE also has some initial support for encode via VAAPI, but should be considered experimental. On Windows, UVD is accessible via standard DXVA2/D3D11VA APIs, while VCE is supported via AMF. " So my amater brain thought: Use DXVA..... But I now learned that this is not good and found this post: http://forum.doom9.org/showthread.ph...md#post1921757 Learned something new today. Thanx. |
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14th February 2021, 18:52 | #18949 | Link | |
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https://bluesky-soft.com/en/AsVideoConv.html (in regard of AMD De/encoding), but havenīt gotten it to run on my vega 64 so far... (Yes, I heard that AMD Encoders are shitty, I am used to RTX Encoders, but since this VEGA happens to be here, I thought I`ll play around a little..) But thats OT for Ripbot |
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17th February 2021, 07:24 | #18950 | Link | ||
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Of course they're all based on FFMPEG (which RB uses), so it should be pretty straight forward to have this as part of the audio options. Like converting TrueHD, and FLAC to E-AC3. Even tho FFMPEG can't yet utilize 7.1, most TV's only run up to 5.1, so that's 2 channels not required. I did a test with Handbrake to convert THD 7.1 to E-AC3 5.1 at the same bitrate of 1536K, and it worked just fine, and Handbrake is FFMPEG based !!! Also, there is a reasonably simple way of converting with eac3to, as well, and RipBot uses that. So if this was added to RipBot, it would be nice to be able to choose up to 1536K, or 1509K, and not be limited to the 640K of AC3.
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17th February 2021, 22:01 | #18951 | Link | |
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What I would like to see is some kind of tool that can convert TrueHD+Atmos to E-AC3+Atmos but I don't see any free tools available to do that. |
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18th February 2021, 00:43 | #18952 | Link | |
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I had 3 different conversions of a THD track that I then mkvtoolnix'ed back together, with the movie the THD track was from, for an "ear test". 2 @ 1536K, one done by Handbrake and the other by eac3to, and 1 @ 640K done a slightly different way, with eac3to. There where subtle difference's in their structure, according to Mediainfo. But I have to say, with my HT setup & my ear, the 1536K's sounded better. I noticed that RipBot recognises E-AC3 audio, it just can't convert anything to E-AC3, yet....
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18th February 2021, 00:54 | #18953 | Link | |
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18th February 2021, 01:36 | #18954 | Link | |
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You're probably right, but it DID sound better !!!!!
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18th February 2021, 12:07 | #18955 | Link |
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That's a scientific fact. Most adults above age 30 do not hear any sounds above 16khz. No need to be offended.
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18th February 2021, 17:13 | #18956 | Link |
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@Atak,
Pauly is talking about the bitrate, not the upper frequency. Your point still stands though. Having E-AC-3 conversion might be nice, if only for the possibility of Atmos. Is that possible with FFMPEG? FYI, I read an article about some guys from a stereo magazine or something like that who went to Dolby Labs and got to go into Dolby's test room. It was setup with very nice equipment and also a computer driven ABX setup. Results: 640 Kbps AC-3 couldn't be picked out from higher bitrate samples. So, before deciding on a bitrate, do a proper blind test. |
19th February 2021, 00:47 | #18957 | Link | |||||
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1 example:- https://forum.doom9.org/showthread.p...04#post1929204 another example:- https://forum.doom9.org/showthread.p...26#post1936226
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26th February 2021, 04:22 | #18959 | Link | |
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There's even a couple of comments from "our fearless leader", Atak !!! https://forum.videohelp.com/threads/333743-Aac-7-1
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26th February 2021, 04:43 | #18960 | Link | |
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264, 265, appletv, avchd, bluray, gui, iphone, ipod, ps3, psp, ripbot264, x264 2-pass, x264 gui, x264_64, x265, xbox360 |
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