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MediaInfo doesn't show DV info on a BL+RPU or EL+RPU HEVC stream, in my experience. It just shows "SMPTE ST 2086, HDR10 compatible", so it looks just like an HDR10 file. The elementary stream needs to be remuxed into a container. So what does MediaInfo show about your m2ts/ts file remuxed...

Just wanted to say thank you for this guide! On a mac, had to brew upgrade ffmpeg , download dovi_tool from their github releases page and copy to /usr/local/bin . Ran the command: ffmpeg -i video.mkv -c:v copy -vbsf hevc_mp4toannexb -f hevc - | dovi_tool -m 2 convert --discard - Remuxed the origin...