Video formats

[johnbeardy]

I am trying to use the Windows command line tool (10.1.3) to update metadata some common video formats like MOV, mp4. Something simple like:

exiftool -sep ", " -keywords="Adrian, Friends" "150724_0015 Landing Stages timelapse.mp4" -overwrite_original -k

This completes successfully but seems to write a string to the PDF properties at ns.adobe.com/pdf/1.3 and not as a bag object to the Dublin Core keywords. As a result, apps like PhotoMechanic, Adobe Bridge or Lightroom etc, don't detect the keywords written to the file.

Is this right?

John

[johnbeardy]

On reflection, while the previous worked for DNGs and JPEGs, would this be the right / best way with videos?

Code Select Expand

exiftool -xmp-dc:subject="Adrian" -xmp-dc:subject="Friends" "150724_0015 Landing Stages timelapse.mp4" -overwrite_original -k

[Phil Harvey]

ExifTool only writes XMP to MOV/MP4 videos, but I don't know how widespread XMP support is.  Adobe products should be able to read this, but I don't know about other software.

So you should write xmp:Subject, and not Keywords, as you mentioned in your second post.

- Phil

[johnbeardy]

Thanks, got it.

Is there anything odd about the title field with video? I'm trying to write -xmp-dc:title="Whatever" to mp4 files. With the -k switch I see no error but the IPTC title doesn't seem to update. The same parameters update JPEGs as expected.

John

[Phil Harvey]

As far as ExifTool is concerned, there is nothing special about the Title tag. 

- Phil