LAV Filters - DirectShow Media Splitter and Decoders

[nevcairiel]

D3D11VA has been in the code for FFmpeg for quite a while, all thats new is that you can use it from the ffmpeg CLI tool now as well. It still was quite a bit of work, and its not done - eventhough much of the remaining stuff is on madshis side.

[P.J]

Originally Posted by P.J

I reported this issue to MPC-BE decoder and they fixed it.
Hope Lav fixes it too =/

No fix yet? it has been fixed in MPC-BE decoder

[kolak]

Clineform is now opens source (https://github.com/gopro/cineform-sdk), so I assume soon we may have better handling in ffmpeg. If not can LAV integrate original decoder?

[LigH]

IMHO: Patience ... LAV Filters just needs to update libavcodec when it was updated, and I would expect this to happen quite certainly.

[nevcairiel]

I don't plan to include the official SDK or anything like that. If any improvements to be had, they should be included in avcodec, and LAV will get them.

[kolak]

Ok, so we have to wait for avcodec updates. Original code is few times faster and "full".

[Siso]

Is it possible to add audio presets in the audio decoder? For example - loud, nighttime, etc. Something like AC3filter has.

[nevcairiel]

Features like that are not planned. You should use a dedicated audio processor, LAV aims to provide the essentials only, decoding and the minimum on processing needed to play audio anywhere.

[Siso]

Originally Posted by nevcairiel

Features like that are not planned. You should use a dedicated audio processor, LAV aims to provide the essentials only, decoding and the minimum on processing needed to play audio anywhere.

I see, thanks anyway

[aufkrawall]

Originally Posted by nevcairiel

It still was quite a bit of work, and its not done - eventhough much of the remaining stuff is on madshis side.

What's missing on decoder site? I'm not missing anything.

[slavanap]

I'm newbie in LAV Video Decoder, could you tell is there a way to increase number of buffered surfaces (highlighted on the screenshot)? I have huge about of RAM and can increase VRAM of the Intel Graphics device, if needed.


Some videos with VBR can't be played at constant FPS on my device, because there's moments where at least 1 second buffering is needed to overcome decoding slowdown.

UPDATE:
Found solution over here (option "EVR buffers"). With value of 60 video plays smoothly all the time (except one extreme action scene).

[nevcairiel]

The overlay is not from LAV, its from your renderer.

[slavanap]

Originally Posted by nevcairiel

The overlay is not from LAV, its from your renderer.

Yeah, I've just understood that.
Thanks!

[mclingo]

any plans to upgrade or change the deinterlacing, been watching some older HBO shows like "from the earth to the moon" recently and MADVR/LAV makes a real mess of these compared to something like phosphor in VLC, obviously that's the only thing VLC has to offer. I'm aware this is subjective though.

[el Filou]

What card are you using? Or are you using yadif? Are you sure deinterlacing is active?

I just downloaded VLC again to try that "phosphor" deinterlacing as I was curious and I'm not convinced at all. Testing on sport (F1) I see massive aliasing on some lines and and flickering on some highly detailed content like grandstands, it's even worse than NVIDIA's hardware deinterlacing.
Plus of course it makes the output darker and it can't emulate a real phosphor response of a CRT due to the refresh rate so motion looks weird.

[mclingo]

I'm using an AMD RX 550 with a 4k TV, tried Yadif.

[Pat357]

Originally Posted by mclingo

any plans to upgrade or change the deinterlacing, been watching some older HBO shows like "from the earth to the moon" recently and MADVR/LAV makes a real mess of these compared to something like phosphor in VLC, obviously that's the only thing VLC has to offer. I'm aware this is subjective though.

First : are you talking about static image quality (in pause mode) or about judder/smoothness playback issues ?
Are you talking about hardware deinterlacing or about Yadiff ?
If you mean deinterlacing done by MadVR, this is hardware based DXVA deinterlacing, which can't be updated by software.
It's a fixed implementation on the GPU.
Because it's motion adaptive, you have to watch it when playing.
In pause mode it doesn't work to well and may look bad.

Yadiff on the other hand is pure software and runs on the CPU.
It works frame-based and the result can be seen both in playback and in pause mode.
I don't know phosphor, but I guess it's also just another pure software deinterlacer in VLC.

From what I understand you compared HW deinterlacing (can not be updated) in MadVR with some software implementation in VLC.

[amayra]

my problem start happening after i updated to nightly ver to test new D3D11VA and this give me incorrect colors in "native mode only"
i have :
Intel HD Graphics 4000 with latest driver and updated win10 and madvr
and this happend with MPC-HC/BE only MPDN work better with new D3D11VA for me

[gerarg96]

Any plans for enabling users to manually set a proxy and switch the user-agent that LAV uses? This is required in a lot of HLS streams due to geo-blocking and user-agent checking.

Otherwise we are forced to use web browsers which makes us unable to use, for example, Smooth Video Project and other post-processing tools.

[wushantao]

hi，nevcairiel

is there any zip versions from nightly builds？