It seems to be possible through the MPD "stickers" system. However, it's not compatible with existing OGG/MP3 rating system.
I can see how reading files metadata, but not how to write them (we may not have write access anyway!). So, an idea is to "import" rates from metadata into the stickers system, but it's only one way.
POC: Allow notation file by file
It seems to be possible through the MPD "stickers" system. However, it's not compatible with existing OGG/MP3 rating system. I can see how reading files metadata, but not how to write them (we may not have write access anyway!). So, an idea is to "import" rates from metadata into the stickers system, but it's only one way.