[FFmpeg-devel] Forgejo PR to add libomt OpenMediaTransport support

[ffmpeg--- via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>]

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.

We have have already completed implementation of this protocol into FFMPEG 8 and have created a Pull Request via forgejo
https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20694

Perhaps a maintainer can take a look at this ?

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The protocol is officially  launched and is already gaining lots of attention from companies in the broadcast industry. Already quite a few broadcast vendors have lready announced or released support, including Sienna VMix, Drastic, Garanin and others.

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 8 and have created a Pull Request via forgejo
https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20694

To build FFMPEG with OMT from the OMT patched FFmpeg source:

Download the OMT libraries and header folder from. 
https://github.com/openmediatransport/. 
or easier :
https://github.com/GalleryUK/OMTLibsAndHeaders
place the OMT folder with include and lib NEXT to the FFmpeg folder

Then Configure with : 

Linux:
./configure  --enable-libomt --extra-cflags="-I$(pwd)/../OMT/include" --extra-ldflags="-L$(pwd)/../OMT/lib -Wl,-rpath,\$ORIGIN/../OMT/lib"

Mac:
./configure  --enable-libomt --extra-cflags="-I$(pwd)/../OMT/include" --extra-ldflags="-L$(pwd)/../OMT/lib  -Wl,-rpath,@loader_path/../OMT/lib"


Please let me know if you have any questions

Best Regards
Mark Gilbert


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