Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD conversion. Before you start posting please read the forum rules. By posting to this forum you agree to abide by the rules. |
8th August 2017, 08:34 | #22041 | Link |
Registered Developer
Join Date: Mar 2010
Location: Hamburg/Germany
Posts: 10,344
|
The issue was that DXVA2 wasn't used at all, and that issue is resolved. If you're seeing anything else, its likely your setup.
There haven't been any changes other to how DXVA2 is started - which resulted in it not being used in a few rare cases - but once its setup it still behaves just like it did in 0.70.2 and before. So if you confirm that DXVA2 is actually in use, then there are no differences to before.
__________________
LAV Filters - open source ffmpeg based media splitter and decoders Last edited by nevcairiel; 8th August 2017 at 08:44. |
8th August 2017, 10:38 | #22042 | Link | |
Registered User
Join Date: Mar 2005
Location: Israel
Posts: 162
|
Quote:
For now changing to NVIDIA CUVID solves the issue completely. I'm not sure what could be wrong with my setup. It worked fine with DXVA2 before I updated nvidia driver, LAV and madVR to latest versions. |
|
8th August 2017, 10:40 | #22043 | Link |
Registered Developer
Join Date: Mar 2010
Location: Hamburg/Germany
Posts: 10,344
|
Well if you upgrade 3 components in one go, then isolating the problem to one particular component should be the first step, instead of randomly guessing what might be to blame.
The NVIDIA drivers also sometimes reset their power management on upgrades, it should be Adaptive at least, Optimimum Power is too aggressive in power savings. CUVID can work around that particular issue by forcing the GPU into max power mode (which is a sideeffect of using CUDA).
__________________
LAV Filters - open source ffmpeg based media splitter and decoders |
10th August 2017, 03:15 | #22044 | Link |
Registered User
Join Date: Mar 2006
Posts: 1,538
|
What determines audio sync? I've noticed for the past couple of weeks that the audio and video become out of sync using the latest madVR, LAV Filters, and MPC-BE. If I skip to a place in the video the audio gets back in sync with the video. I'm not experiencing dropped frames with madVR. Which program would set this sync? I'm viewing retail Blu-ray and DVD. Thanks.
|
10th August 2017, 04:41 | #22045 | Link |
Registered User
Join Date: Mar 2009
Posts: 3,646
|
I haven't experienced anything recently although I did about a week or so ago but I'm always updating.. Not sure if it was the media or something else but it appears it's gone/fixed now. Grab the latest nightly lav and Mpc-be.
|
11th August 2017, 09:37 | #22046 | Link | |
Registered User
Join Date: Dec 2010
Posts: 255
|
Quote:
|
|
11th August 2017, 09:58 | #22047 | Link |
Registered Developer
Join Date: Mar 2010
Location: Hamburg/Germany
Posts: 10,344
|
Sync is generally provided by the timestamps and maintained by the audio and video renderers.
__________________
LAV Filters - open source ffmpeg based media splitter and decoders |
11th August 2017, 14:41 | #22048 | Link |
Registered User
Join Date: Jul 2011
Posts: 83
|
I have a problem since version: LAVFilters-0.70.2-10
DTS Bitstreaming results in very choppy playback, MadVR says suddenly clock derivation 30 - 50% and it's visibility dropping frames every second. Installing LAVFilters-0.70.2-8 or previous everything works fine and i get only 1 frame drop every few hours and clock derivation is again ok in MadVR OSD. AC3 Bitstreaming hasn't this problem and works fine in current LAV too. Using Nvidia 1060 via HDMI to AVR/TV. |
11th August 2017, 15:23 | #22049 | Link | |
Registered Developer
Join Date: Mar 2010
Location: Hamburg/Germany
Posts: 10,344
|
Quote:
Thanks for testing and reporting.
__________________
LAV Filters - open source ffmpeg based media splitter and decoders Last edited by nevcairiel; 11th August 2017 at 15:27. |
|
12th August 2017, 14:59 | #22051 | Link |
Registered Developer
Join Date: Mar 2010
Location: Hamburg/Germany
Posts: 10,344
|
It probably requires Windows 8 or newer, but should otherwise work. Its unclear yet if it can be made work on 7 properly. More details will be announced later.
__________________
LAV Filters - open source ffmpeg based media splitter and decoders |
12th August 2017, 15:10 | #22052 | Link | |
Registered Developer
Join Date: Sep 2006
Posts: 9,140
|
I believe it will only work in Windows 8+, based on this:
https://msdn.microsoft.com/en-us/lib...(v=vs.85).aspx Quote:
|
|
12th August 2017, 15:43 | #22054 | Link |
Registered Developer
Join Date: Mar 2010
Location: Hamburg/Germany
Posts: 10,344
|
To get it to work on 7 at all you can load the decoder through the d3d11 api with a DX 9.3 profile, the DX11.1 profile doesn't work on 7. Alas, this is not done. But I do not know if it would still break on creating NV12 textures, though.
In any case, I need to setup 7 on an actual hardware box to see about this at a later time.
__________________
LAV Filters - open source ffmpeg based media splitter and decoders |
12th August 2017, 16:44 | #22055 | Link |
Registered User
Join Date: Oct 2016
Posts: 896
|
Hi nev, does that mean we'll be able to use that decoder to get bit exact quality chroma input with madVR without having to use DXVA2 Copy-Back?
DXVA2 Copy-Back suffers from much lower decode performance on my old system (can't watch 4K50/60), even with a modern graphics card, so that would be awesome news.
__________________
HTPC: Windows 10 22H2, MediaPortal 1, LAV Filters/ReClock/madVR. DVB-C TV, Panasonic GT60, Denon 2310, Core 2 Duo E7400 oc'd, GeForce 1050 Ti 536.40 |
12th August 2017, 19:07 | #22056 | Link | |
Registered User
Join Date: Mar 2005
Location: Israel
Posts: 162
|
Quote:
Enabling 8-Bit NV12 output format solved the DXVA2 (copy-back) issue. Last edited by FDisk80; 12th August 2017 at 19:11. |
|
12th August 2017, 21:05 | #22057 | Link | |
Registered Developer
Join Date: Mar 2010
Location: Hamburg/Germany
Posts: 10,344
|
Quote:
Its always best to output as close to the original as you can (basically, don't turn stuff off).
__________________
LAV Filters - open source ffmpeg based media splitter and decoders Last edited by nevcairiel; 12th August 2017 at 21:08. |
|
12th August 2017, 22:20 | #22059 | Link |
Registered Developer
Join Date: Mar 2010
Location: Hamburg/Germany
Posts: 10,344
|
Clearly such a feature would require support in the renderer as well, so watch out for that. Without that, it only does copy-back, although it appears even to be a tad bit faster then DXVA2-CB, not that this would really matter in playback scenarios.
__________________
LAV Filters - open source ffmpeg based media splitter and decoders Last edited by nevcairiel; 12th August 2017 at 22:26. |
16th August 2017, 15:13 | #22060 | Link |
Registered User
Join Date: Mar 2007
Posts: 934
|
I currently have a Celeron G530 (2c/2t Sandy Bridge @ 2.4 GHz) in my HTPC, which is used pretty much only for HEVC playback since my GT 430 handles MPEG2, MPEG4, and AVC. I have a Celeron G1620 (2c/2t Ivy Bridge @ 2.7 GHz) in my file server. I also have a spare Core i3-3220 (2c/4t Ivy Bridge @ 3.3 GHz), which I want to put into one of those two systems, depending on where it'd be most useful. Would there be any benefit in terms of improved HEVC decoding ability if I put either the Core i3-3320 into the HTPC? For example, being able to handle higher bit rates or colour depths? I'm struggling to find benchmarks of software HEVC decoding using avcodec.
EDIT: If there's a better thread to ask this in please let me know.
__________________
TV Setup: LG OLED55B7V; Onkyo TX-NR515; ODroid N2+; CoreElec 9.2.7 Last edited by DragonQ; 16th August 2017 at 15:15. |
Tags |
decoders, directshow, filters, splitter |
Thread Tools | Search this Thread |
Display Modes | |
|
|