[FFmpeg-devel] Patches to add libomt OpenMediaTransport support to FFmpeg

[FFmpeg-devel] Patches to add libomt OpenMediaTransport support to FFmpeg

[ffmpeg--- via ffmpeg-devel]

Hi Folks

We are part of the group creating a new open source and free to use professional IP Video protocol called OMT (open media transport)
It's similar to NDI in many ways, but completely open source and royalty free.

The protocol is now officially  launched and is already gaining lots of attention from companies in the broadcast industry.

You can read about it here:
https://openmediatransport.org/
and 
https://github.com/openmediatransport/
The github includes the full source code of OMT and its underlying codec VMX, along with binaries, and links to free utilities leveraging OMT across the 3 major platforms.

The video codec used in OMT is actually the same as the vmix codec which is already implemented in decoder-only form in FFMPEG.

We have have already completed implementation of this protocol into FFMPEG 7 and I enclose patches to add this to the current FFmpeg origin/master.


If the .eml patches dont make it through the email, here are links to them:
https://www.sienna-tv.com/omt/0001-Added-libomt-support-for-OpenMediaTransport.eml
https://www.sienna-tv.com/omt/0002-Patched-libomt-into-FFmpeg.eml


To build this also requires the pre-built omt libraries which are available at   
https://github.com/openmediatransport/libomtnet/releases
also, available from:    
https://www.sienna-tv.com/omt/OMTlibs.zip

Finally We have published the entire source code for ffmpeg with libomt integrated at:
https://github.com/GalleryUK/FFmpeg-OMT

Please let me know if you have any questions

Best Regards
Mark Gilbert


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Re: [FFmpeg-devel] Patches to add libomt OpenMediaTransport support to FFmpeg

[Jacob Lifshay via ffmpeg-devel]

On August 19, 2025 1:45:01 AM PDT, ffmpeg--- via ffmpeg-devel <ffmpeg-devel@ffmpeg.org> wrote:
> We have have already completed implementation of this protocol into FFMPEG 7 and I enclose patches to add this to the current FFmpeg origin/master.
> 
> 
> If the .eml patches dont make it through the email, here are links to them:
> https://www.sienna-tv.com/omt/0001-Added-libomt-support-for-OpenMediaTransport.eml
> https://www.sienna-tv.com/omt/0002-Patched-libomt-into-FFmpeg.eml

It seems to me that it might be better to add libomt as a ffmpeg protocol rather than as devices, devices seem to be intended only for things plugged into your computer or local in some sense (e.g. screen capture). libomt seems to be for network stuff.

Also, you may want to consider opening a PR on the experimental forgejo instance: https://code.ffmpeg.org/FFmpeg/FFmpeg

Jacob
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Re: [FFmpeg-devel] Patches to add libomt OpenMediaTransport support to FFmpeg

[Derek Buitenhuis]

On 8/13/2025 2:00 PM, ffmpeg@gallery.co.uk wrote:
> Hi Folks
> 
> We are part of the group creating a new open source and free to use professional IP Video protocol called OMT (open media transport)
> It's similar to NDI in many ways, but completely open source and royalty free.

[...]

> The protocol will officially launch on August 18th.
> You can read about it here:
> https://openmediatransport.org/
> and 
> https://github.com/openmediatransport/
> The github is not public yet, but will be after the launch

It's a bit premature to be sending this then, no? We can't review
or make a value judgement.

> The video codec used in OMT is actually the same as the vmix codec which is already implemented in decoder-only form in FFMPEG.
> 
> We have already completed implementation of this protocol into FFMPEG 7 and I enclose patches to add this to the current FFmpeg origin/master.

I don't see any; perhaps you missed including them?

> To build this also requires the pre-built omt libraries which are available at   
> https://github.com/openmediatransport/libomtnet/releases
> also, available from:    
> https://www.sienna-tv.com/omt/OMTlibs.zip

The community will wait on source code, I suspect.

- Derek
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[FFmpeg-devel] Patches to add libomt OpenMediaTransport support to FFmpeg

[ffmpeg]

Hi Folks

We are part of the group creating a new open source and free to use professional IP Video protocol called OMT (open media transport)
It's similar to NDI in many ways, but completely open source and royalty free.

The protocol will officially launch on August 18th.
You can read about it here:
https://openmediatransport.org/
and 
https://github.com/openmediatransport/
The github is not public yet, but will be after the launch

The video codec used in OMT is actually the same as the vmix codec which is already implemented in decoder-only form in FFMPEG.

We have already completed implementation of this protocol into FFMPEG 7 and I enclose patches to add this to the current FFmpeg origin/master.

To build this also requires the pre-built omt libraries which are available at   
https://github.com/openmediatransport/libomtnet/releases
also, available from:    
https://www.sienna-tv.com/omt/OMTlibs.zip

Please let me know if you have any questions

Best Regards
Mark Gilbert



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