replaygain2: provide browse button to set path to rsgain command

metabrainz / picard-plugins

Picard plugins: use 1.0 branch for Picard < 2.0 (python 2/Qt4) and 2.0 branch for Picard >= 2.0 (python 3/Qt5)

https://picard.musicbrainz.org/plugins/

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Closed phw closed 1 year ago

phw commented 1 year ago

Users have trouble setting the path for rsgain command. Provide a browse button to allow users setting the path using a file chooser dialog.