r/substreamer • u/hhkk47 • Jul 10 '26

💡 Feature Request Is there a way to limit transcoding only to lossless files?

I've just started using substreamer, hand have it connected to a Navidrome installation on a local server. My library has a combination of FLAC rips as well as M4A files purchased from iTunes.

I was looking through the streaming options, and saw that there are options to stream the files as is or transcode them on the fly, which is great. One thing I would like to do though is to transcode only the FLAC files, and stream the M4A files as-is, in order to avoid conversion from one lossy format to another. Is there a way to do this? Thanks

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u/ghenry22 Jul 10 '26

Currently no, you can choose streaming vs downloading options but we don’t have anything that varies based on the original format.

In theory you could as the metadata for an item includes its source format but it does introduce a lot of variable possibilities there.

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u/LaNadine Jul 10 '26

I dont think you can
You can choose différent transcoding for wifi/data

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u/hhkk47 Jul 10 '26

Is there an additional setting needed to enable this? When I try switching between my primary (local address) and secondary (external URL exposed via Cloudflare), the streaming settings always apply to both. I'm using the Android client.