logo

Live Production Software Forums


Welcome Guest! To enable all features please Login or Register.

Notification

Icon
Error

Options
Go to last post Go to first unread
Xavi137  
#1 Posted : Saturday, June 12, 2021 6:44:46 AM(UTC)
Xavi137

Rank: Member

Groups: Registered
Joined: 5/10/2021(UTC)
Posts: 19

Thanks: 9 times
Windows 10 application to convert from NDI 50p to SDI 50i.

For example now I use medialooks free to convert from NDI to SDI output by Decklink Quad2. But there is no option to convert from 50p to 50i. Only through decklink I can make it 50P 3G or 25P 1,5G, but not 50i 1,5G.
mavik  
#2 Posted : Monday, June 14, 2021 8:53:45 PM(UTC)
mavik

Rank: Advanced Member

Groups: Registered
Joined: 4/23/2017(UTC)
Posts: 717
Man
Location: Germany

Thanks: 3 times
Was thanked: 111 time(s) in 100 post(s)
I guess Martin (the silver haired) has some sort of software available.
thanks 1 user thanked mavik for this useful post.
Xavi137 on 6/15/2021(UTC)
xaver  
#3 Posted : Monday, June 14, 2021 10:46:37 PM(UTC)
xaver

Rank: Advanced Member

Groups: Registered
Joined: 11/11/2016(UTC)
Posts: 334
Man
Location: Europe

Thanks: 21 times
Was thanked: 32 time(s) in 26 post(s)
Originally Posted by: Xavi137 Go to Quoted Post
Windows 10 application to convert from NDI 50p to SDI 50i.

For example now I use medialooks free to convert from NDI to SDI output by Decklink Quad2. But there is no option to convert from 50p to 50i. Only through decklink I can make it 50P 3G or 25P 1,5G, but not 50i 1,5G.


Hardware Solution:
https://www.magewell.com...o-convert-for-ndi-to-sdi
there you can define the SDI Out to what ever you need
Xavi137  
#4 Posted : Tuesday, June 15, 2021 3:17:27 AM(UTC)
Xavi137

Rank: Member

Groups: Registered
Joined: 5/10/2021(UTC)
Posts: 19

Thanks: 9 times
Originally Posted by: xaver Go to Quoted Post
Originally Posted by: Xavi137 Go to Quoted Post
Windows 10 application to convert from NDI 50p to SDI 50i.

For example now I use medialooks free to convert from NDI to SDI output by Decklink Quad2. But there is no option to convert from 50p to 50i. Only through decklink I can make it 50P 3G or 25P 1,5G, but not 50i 1,5G.


Hardware Solution:
https://www.magewell.com...o-convert-for-ndi-to-sdi
there you can define the SDI Out to what ever you need



Thanks but no. It must be a soft, to go out through decklink quad2
Xavi137  
#5 Posted : Tuesday, June 15, 2021 3:20:29 AM(UTC)
Xavi137

Rank: Member

Groups: Registered
Joined: 5/10/2021(UTC)
Posts: 19

Thanks: 9 times
Originally Posted by: mavik Go to Quoted Post
I guess Martin (the silver haired) has some sort of software available.


More info please

Zen computer services?
mavik  
#6 Posted : Tuesday, June 15, 2021 3:27:21 AM(UTC)
mavik

Rank: Advanced Member

Groups: Registered
Joined: 4/23/2017(UTC)
Posts: 717
Man
Location: Germany

Thanks: 3 times
Was thanked: 111 time(s) in 100 post(s)
zenvideo  
#7 Posted : Tuesday, June 15, 2021 7:34:39 PM(UTC)
zenvideo

Rank: Advanced Member

Groups: Registered
Joined: 5/13/2014(UTC)
Posts: 444
Man
United Kingdom
Location: Manchester, UK

Thanks: 2 times
Was thanked: 162 time(s) in 112 post(s)
Originally Posted by: mavik Go to Quoted Post

Sorry, I don't provide that functionality in any of my NDI apps at present. If I were to add it anywhere then the RTx NDI Receiver/Transmitter would be the obvious choice, given that it already has comprehensive de-interlacing options. You would still need to use another application for the SDI output as none of my apps interact with video I/O devices.
thanks 1 user thanked zenvideo for this useful post.
Xavi137 on 6/17/2021(UTC)
DWAM  
#8 Posted : Thursday, June 17, 2021 3:40:07 AM(UTC)
DWAM

Rank: Advanced Member

Groups: Registered
Joined: 3/20/2014(UTC)
Posts: 2,721
Man
France
Location: Bordeaux, France

Thanks: 243 times
Was thanked: 775 time(s) in 586 post(s)
Just use a decimator
NDI 50p > medialooks free to convert from NDI to SDI output by Decklink Quad2 > Decimator for 50p to 50i > SDI destination
thanks 1 user thanked DWAM for this useful post.
Xavi137 on 6/17/2021(UTC)
kitter  
#9 Posted : Wednesday, July 14, 2021 11:19:40 AM(UTC)
kitter

Rank: Newbie

Groups: Registered
Joined: 12/24/2018(UTC)
Posts: 5
Czech Republic

Hello,
I came across this problem when output signal at the venue -HAD- to be 50i while we run our production at 50p. (My laziness brought me to much more effective way than switching cameras do 50i :-) )

The solution is FFMPEG. The #1 problem is, the standard windows binary releases lack support of Decklink cards due to some licence issues.
At the time (May 2021), I didn't find any releases with compiled Decklink support on the Internet. You have to compile it by yourself. Though, I found an easy guide for doing so (cross-compile) on Linux.

Ffmpeg unfortunately (problem #2) doesn't even have NDI. So you can run vMix, add the NDI source, get vMix to External Outputting to Directshow capture device (vMix Video YV12) and connect ffmpeg to it. And incorporate the "tinterlace" filter for doing 50i from 50p and finally output to Decklink.

Alternatively, you can probably (that was my backup plan) set FFMPEG output to SRT and make the SRT stream "displayed" to SDI somehow, maybe vMix again or maybe OBS Studio can do it.

More alternatively, (another backup plan) you can set your monitor refresh rate in Windows to "25hz interlaced mode" and that could to the trick. (you would need an hdmi to sdi converter, but don't need another vMix, just NDI Studio Monitor)
Users browsing this topic
Forum Jump  
You cannot post new topics in this forum.
You cannot reply to topics in this forum.
You cannot delete your posts in this forum.
You cannot edit your posts in this forum.
You cannot create polls in this forum.
You cannot vote in polls in this forum.