In what seems like a really noble gesture, Netflix has published a large sample of professionally produced 4k HDR video in Material Exchange Format container under a Creative Commons license.
“Meridian” is 4K HDR video shot with 60 frames per second with a peak brightness level of 4000 nits and Dolby Atmos audio. In other words: It pushes the boundaries on all specs fronts, and includes a number of visuals that can trip up encoders.
You can download the MXF and some auxillary files at https://media.xiph.org/video/derf/meridian/MERIDIAN_SHR_C_EN-XX_US-NR_51_LTRT_UHD_20160909_OV/
Not knowing if this suitable for the topic , but if you need a software converting mxf to avi, mp4, mov you can download it here http://www.convertmxffiles.com the software coupon is AISEOHC
You also can use free open-source Handbrake to convert mxf to mp4.
It is easy to use and completely free.
Time to stop commercial things, I changed link to point to original Handbrake site
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