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ReplayGain support + audio normalization (web player) (#1988)

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* ReplayGain support

- extract ReplayGain tags from files, expose via native api
- use metadata to normalize audio in web player

* make pre-push happy

* remove unnecessary prints

* remove another unnecessary print

* add tooltips, see metadata

* address comments, use settings instead

* remove console.log

* use better language for gain modes
This commit is contained in:
Kendall Garner
2023-01-17 20:52:00 +00:00
committed by Deluan
parent 9ae156dd82
commit 1324a16fc5
24 changed files with 411 additions and 56 deletions
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scanner/metadata/ffmpeg/ffmpeg_test.go
+19
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@@ -302,4 +302,23 @@ Input #0, mp3, from '/Users/deluan/Music/Music/Media/_/Wyclef Jean - From the Hu
md, _ := e.extractMetadata("tests/fixtures/test.ogg", output)
Expect(md).To(HaveKeyWithValue("fbpm", []string{"141.7"}))
})
It("parses replaygain data correctly", func() {
const output = `
Input #0, mp3, from 'test.mp3':
Metadata:
REPLAYGAIN_ALBUM_PEAK: 0.9125
REPLAYGAIN_TRACK_PEAK: 0.4512
REPLAYGAIN_TRACK_GAIN: -1.48 dB
REPLAYGAIN_ALBUM_GAIN: +3.21518 dB
Side data:
replaygain: track gain - -1.480000, track peak - 0.000011, album gain - 3.215180, album peak - 0.000021,
`
md, _ := e.extractMetadata("tests/fixtures/test.mp3", output)
Expect(md).To(HaveKeyWithValue("replaygain_track_gain", []string{"-1.48 dB"}))
Expect(md).To(HaveKeyWithValue("replaygain_track_peak", []string{"0.4512"}))
Expect(md).To(HaveKeyWithValue("replaygain_album_gain", []string{"+3.21518 dB"}))
Expect(md).To(HaveKeyWithValue("replaygain_album_peak", []string{"0.9125"}))
})
})