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I’ve discovered a problem in the manner in which Plex determines the display aspect ratio for MKV files. After ripping a video sample from DVD, I de-interlaced in Hybrid, before upscaling in Topaz Video AI. When the resultant MKV is ran through VLC or through Plex media player, the show is unwatchable, because it is flattened with what looks like a display aspect ratio < 1. This was not corrected, even after I added the correct values for a 2.10 display aspect ratio to the MKV metadata with a separate tool. Curious, I ran each file (the direct DVD rip, the file output by Hybrid, and the file output by Topaz AI) through MediaInfo and found that Topaz AI was adding a metadata field called “original display aspect ratio”; in this case, the value of that field was 0.023. It also appears that VLC media player and Plex preferentially read this field over the “display aspect ratio” fields. Unfortunately, I have no editor which will pull out the “original display aspect ratio” field. Thus, the file that I worked for hours on is ultimately unplayable in Plex. Half of the problem is, of course, Topaz choosing to add this field; the other, is Plex prioritizing this field over the “display width,” “display height,” and “display aspect ratio.” I just learned that there is no such thing as emailing Plex tech support, which makes me feel like a sap for having the paid version of their software. Does anyone know how to delete the “original display aspect ratio” from the metadata? Anyone know how to present this issue to tech support, since us peasants who paid for the program have no way to contact them directly?
