This is the incorrect use of the tag as it is capable of playing 4k Video. tvOS 15.1.1 doesn't seem to recognize that the 4k ATV is capable of playing 4k video when it is determining which files to display as playable. When the "HD Video" tag is set to "4k" the files do not appear on the ATV as files available to play.
#Subler add hd tag 1080p
So for 1080p capable ATVs, the "HD Video" tag value of "HD" on 4k files functions properly as it lists only playable files.ģ. This INVALID TAG VALUE causes an unplayable 4k file to be listed by tvOS 15.1.1 as playable. When you try to play it you get an error message stating "The content cannot be played because its format is not compatible with this Apple TV". When the "HD Video" tag is set to "No" "720p" or "1080p", the file appears on the ATV as a file available to play. This is the correct use of the tag as it is not capable of playing the 4k file. The following were my test cases used to determine what is going on:ġ. Because Apple software is a "Black Box" with almost no documentation available to users, most of its functions can only be discovered experimentally by altering variables and interpreting the results. It appears that Apple is using this "HD Video" tag to determine whether a video file is listed as playable on a particular model of ATV rather than examining the actual file information. TvOS 15.1.1 attempts to display only playable files within the limits of a particular model of ATV. I tested with ATVs capable of 4k (A1842 64GB ) and 1080p (A1642 64GB) running tvOS 15.1.1 which is current as of this date. I did some experimentation with the 4k tag issue and I believe the problem is in the use of the 4k "HD Video" tag in tvOS, not in Subler.
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