ReplayGain

[simoncn]

Yes, there is an internal MinimStreamer converter for FLAC to WAV that is used by default (because it came first, before FFmpeg was supported). The internal converter also has faster seeking within a track. The semicolon overrides this default. There is information about this in this section:

FLAC files. Valid for local files served by MinimServer (.flac) only. The output type must be L16, L24, wav, wav24 or wav16. By default, a stream converter program is not required. If you want MinimStreamer to perform transcoding using a stream converter program, you can specify this by adding a semicolon after the output type.

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As a special case, you can append a semicolon to the output type and omit the sample rate. This is useful only for an input type of flac. It sets the output sample rate to the same as the input sample rate and uses a stream converter program to transcode the stream.

I will try to make this more prominent in the documentation as it isn't very easy to spot at the moment.