[Cin] New presets for DNxHR in mxf

[Andrea paz]

I thought about implementing the various DNxHRs in the mxf format,
which is their natural format (Andrew had already started with the
proxy). Those already present as mov can be left or removed; I would
leave them.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: mxf.tar.gz
Type: application/gzip
Size: 287 bytes
Desc: not available
URL: <https://lists.cinelerra-gg.org/pipermail/cin/attachments/20211025/77c5e145/attachment.bin>