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Old 5th October 2019, 15:14   #23621  |  Link
el Filou
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Funny thing: CUVID decodes it just fine too, it's only DXVA that has a problem with it.
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Old 5th October 2019, 16:20   #23622  |  Link
nautilus7
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Yep, I noticed that as well. Sorry for not mentioning it.
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Old 6th October 2019, 08:33   #23623  |  Link
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Using iGPU HD 4400 (Core i3 4170 Haswell) it plays fine with DXVA2/D3D11VA modes (DAVA2 Native, copy-back & D3D11VA copy-back)

Using QuickSync decoder, it start with artifacts but then the decoded stream goes back to normal.
The same happens when you seek with QS decoder.
The first few seconds have artifacts but then everything is back to normal.

On the other hand, using nVidia GTX 1660, only NVCUVID is fine.
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Old 6th October 2019, 09:30   #23624  |  Link
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Hm, thanks. I am with an old nvidia 650 Ti.
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Old 6th October 2019, 12:59   #23625  |  Link
aufkrawall
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Try capturing to another container format like mkv, ffmpeg bombards we with errors when playing this file (which ceases after remuxing to mkv).

Last edited by aufkrawall; 6th October 2019 at 15:25.
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Old 6th October 2019, 17:05   #23626  |  Link
NikosD
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Quote:
Originally Posted by aufkrawall View Post
Try capturing to another container format like mkv, ffmpeg bombards we with errors when playing this file (which ceases after remuxing to mkv).
The reason reporting samples that they seem to not work properly, is not always to fix the sample (almost never) but to change the decoder in a way to deal even with "difficult" cases, to make the decoder more resilient to such cases and sometimes to fix a bug.
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Old 6th October 2019, 17:31   #23627  |  Link
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aufkrawall
Commonly it's not container but "broken" stream problem - may be in your case mkv is played with i.e. LAV Video Decoder with CUVID or without acceleration but ts with another decoder with DXVA/D3D11 acceleration.
I don't know about nautilus7's file but know about my files recorded from SATs like RussiaHD.ts (7MB) https://yadi.sk/d/0TeXaMEg3LiiVA http://forum.doom9.org/showthread.ph...23#post1784923 and http://forum.doom9.org/showthread.ph...53#post1787253 and even muxed in mkv file recorded by some my Russian compatriot after first minute of playing Ч_Г_Д.mkv (153MB) https://yadi.sk/i/YlWK7rqeesHkSA has artifacts with any acceleration but NVIDIA CUVID because nevcairiel despite of not wanting to solve this in LAV Video Decoder http://forum.doom9.org/showthread.ph...51#post1784851 did it
I've just seen with 0.74.1.24-git even with checked Enable CUVID DXVA Processing artifacts absent (early was) so I believe from some version of LAV Video Decoder CUVID DXVA Processing was disabled at all as minimum for Win7 and if I'm right Enable CUVID DXVA Processing is atavism
PS. nVIDIA can't solve that artifacts with DXVA problem (it's in WinXP and very old videocards too) until now so I'm sure it can't be solved at all.

Returning to theme of quasi-interlaced h265 SD and HD channels beginning from here http://forum.doom9.org/showthread.ph...79#post1846579 - it seems ffmpeg still haven't support that so my beta-version of instruction I promised to write http://forum.doom9.org/showthread.ph...08#post1881908 in a root of portable donateware SAT-receiving application SmartDVB 0.5.3.26 can be downloaded from http://www.smartdvb.net/tempsite/index.html in folder HEVC_quasi_interlaced may help to play such channels almost without flickering. If anybody have argue proposition to improve that write in PM, please.

Last edited by VictorLS; 6th October 2019 at 18:07.
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Old 6th October 2019, 17:40   #23628  |  Link
aufkrawall
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Quote:
Originally Posted by NikosD View Post
The reason reporting samples that they seem to not work properly, is not always to fix the sample (almost never) but to change the decoder in a way to deal even with "difficult" cases, to make the decoder more resilient to such cases and sometimes to fix a bug.
Still the user deliberately creates .ts files, which are limited crap vs. mkv.

Last edited by aufkrawall; 6th October 2019 at 17:53.
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Old 6th October 2019, 18:40   #23629  |  Link
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It's a satellite transmission, where .ts is the standard container...
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Old 6th October 2019, 18:43   #23630  |  Link
el Filou
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TS is the standard format for digital TV broadcasts, there should not be a need to convert it to play it back. Some splitters designed for local file playback can have problems with it when it comes to things like seeking, but it should not cause video decoding problems. This file shows artifacts even when I play it with MediaPortal, that comes with a splitter dedicated to and optimised for TS playback.
The bug may well be in the program that originally recorded the file, but it's not the format's inherent fault.
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Old 6th October 2019, 19:47   #23631  |  Link
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Quote:
Originally Posted by el Filou View Post
The bug may well be in the program that originally recorded the file, but it's not the format's inherent fault.
No, that "broken" streams are done with various programs and even hardware receivers all over the world https://forum.doom9.org/showthread.p...69#post1784869 but artifacts problem while playing "broken" streams is with DXVA nVIDIA (and may be AMD and some Intel with just QuickSync as NikosD has described) videocards only so I suppose it's coder on transmitting side issue (in Ч_Г_Д.mkv it appears after first minute when i.e. coder was some malfunction) - I even tried to analyze that streams but I'm not professional in it to find the cause of artifacts - IPB structure seems OK in a minute of Ч_Г_Д.mkv - I just almost always use NVIDIA CUVID, excluding 4K HLG https://forum.doom9.org/showthread.php?t=176909 because my GTX750v2 on GM206 is too weak for that - have to use DXVA2(native) in that case, for hardware acceleration while watching all SAT streams directly including that "broken" streams without any artifacts.

Last edited by VictorLS; 6th October 2019 at 20:00.
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Old 7th October 2019, 14:39   #23632  |  Link
el Filou
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@nautilus I tried the sample on a Radeon and it decodes just fine so it looks like an NVIDIA specific DXVA bug, you should report it to them.
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Old 8th October 2019, 10:39   #23633  |  Link
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Quote:
Originally Posted by el Filou View Post
you should report it to them.
I've reported them with btw RussiaHD.ts sample
Quote:
Originally Posted by VictorLS View Post
PS. nVIDIA can't solve that artifacts with DXVA problem (it's in WinXP and very old videocards too) until now so I'm sure it can't be solved at all.
ReferenceNumber 161108-000131
NamedIDOptList Unresolved
Created 11/08/2016 05:26 AM
UpdatedTime 11/22/2017 08:25 AM
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Old 9th October 2019, 13:20   #23634  |  Link
Liisachan
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0.74.1-26 tested with "font/" in Matroska

@nevcairiel
MKV files with fonts (attached using new standard Media Types) play just fine now if the latest LAV Splitter is used externally - even with the official (old) MPC-HC from 2017 or MPC from 2009! Thank you so much

I have one additional request. Could you please add support for "font/collection" and/or extension .ttc (.TTC) as AV_CODEC_ID_TTF? A ttc file is already working when attached as "application/x-truetype-font", but afaik its standard Media Type is font/collection. TTC files are used commonly in a few countries.



Links for others who may be interested in this:
Related code changes (matroska: add new standard font mimetypes, 2019-10-06)
nevcairiel's post (MKVToolNix@doom9, 2019-10-07)
LAVFilters-0.74.1-26.exe (2019-10-09)
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Old 9th October 2019, 13:24   #23635  |  Link
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Originally Posted by v0lt View Post
LAVFilters-0.74.1-21...24.
Players (MPC-BE, MPC-HC) freeze after pressing the stop button when playing YouTube videos.
Confirmed.
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Old 10th October 2019, 10:27   #23636  |  Link
PCU
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latest version of lav filters (mpc-hc: by clsid) can't play this file?
https://www.mediafire.com/file/9s220...rfmv1.avi/file
this video is divx video fmv from lord of the rings 3 video game for pc.

Last edited by PCU; 10th October 2019 at 13:32.
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Old 10th October 2019, 12:18   #23637  |  Link
LigH
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FourCC = DXGM; not one of the usual codec markers for a supposedly DivX 5.0.3 compatible video stream.

Patched the FourCC to "DX50" and it plays. So ... try a "FourCC Patcher" as easy workaround.
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Old 10th October 2019, 13:32   #23638  |  Link
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i can't patch it, so there's no any other ways, right?
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Old 11th October 2019, 00:38   #23639  |  Link
filler56789
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Quote:
Originally Posted by PCU View Post
i can't patch it, so there's no any other ways, right?
Download avic.exe from Videohelp:

https://www.videohelp.com/software/A...C-Code-Changer
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Old 12th October 2019, 06:50   #23640  |  Link
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Quote:
Originally Posted by nevcairiel View Post
There will be a new dav1d release soon
Soon has come *rubs hands*
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