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feat: add audio quality analysis widget and fix USLT lyrics detection

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zarzet committed 2026-03-26 01:11:29 +07:00
1 parent 5340ca7b16
commit 091e3fadd9
22 files changed
+1822 -26
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go_backend/audio_metadata.go
+7 -1
View File
@@ -498,7 +498,13 @@ func extractUserTextFrame(data []byte) (string, string) {
func isLyricsDescription(description string) bool {
switch strings.ToLower(strings.TrimSpace(description)) {
case "lyrics", "lyric", "unsyncedlyrics", "unsynced lyrics", "lrc":
case
"lyrics",
"lyric",
"unsyncedlyrics",
"unsynced lyrics",
"uslt",
"lrc":
return true
default:
return false
go_backend/audio_metadata_mp3_test.go
+133
View File
@@ -0,0 +1,133 @@
package gobackend
import (
"os"
"os/exec"
"path/filepath"
"strings"
"testing"
)
func ffmpegCommand(args ...string) *exec.Cmd {
if ffmpegPath, err := exec.LookPath("ffmpeg"); err == nil {
return exec.Command(ffmpegPath, args...)
}
return exec.Command("ffmpeg", args...)
}
func runFFmpegTestCommand(t *testing.T, args ...string) {
t.Helper()
cmd := ffmpegCommand(args...)
output, err := cmd.CombinedOutput()
if err != nil {
t.Fatalf("ffmpeg failed: %v\n%s", err, string(output))
}
}
func TestExtractLyricsReadsMp3AfterCoverEmbed(t *testing.T) {
if _, err := exec.LookPath("ffmpeg"); err != nil {
t.Skip("ffmpeg not available")
}
tempDir := t.TempDir()
sourceFlac := filepath.Join(tempDir, "source.flac")
baseMp3 := filepath.Join(tempDir, "base.mp3")
finalMp3 := filepath.Join(tempDir, "final.mp3")
coverPath := filepath.Join(tempDir, "cover.jpg")
lyrics := "[ti:Test Song]\n[ar:Test Artist]\n[00:00.00]Hello from embedded lyrics"
runFFmpegTestCommand(
t,
"-y",
"-f",
"lavfi",
"-i",
"sine=frequency=440:duration=1",
"-c:a",
"flac",
sourceFlac,
)
runFFmpegTestCommand(
t,
"-y",
"-f",
"lavfi",
"-i",
"color=c=red:s=32x32:d=1",
"-frames:v",
"1",
coverPath,
)
runFFmpegTestCommand(
t,
"-y",
"-i",
sourceFlac,
"-b:a",
"320k",
"-metadata",
"title=Test Song",
"-metadata",
"artist=Test Artist",
"-metadata",
"lyrics="+lyrics,
baseMp3,
)
runFFmpegTestCommand(
t,
"-y",
"-i",
baseMp3,
"-i",
coverPath,
"-map",
"0:a",
"-map_metadata",
"-1",
"-map",
"1:0",
"-c:v:0",
"copy",
"-id3v2_version",
"3",
"-metadata",
"title=Test Song",
"-metadata",
"artist=Test Artist",
"-metadata",
"lyrics="+lyrics,
"-metadata:s:v",
"title=Album cover",
"-metadata:s:v",
"comment=Cover (front)",
"-c:a",
"copy",
finalMp3,
)
meta, err := ReadID3Tags(finalMp3)
if err != nil {
t.Fatalf("ReadID3Tags failed: %v", err)
}
if meta == nil {
t.Fatalf("ReadID3Tags returned nil metadata")
}
embeddedLyrics, err := ExtractLyrics(finalMp3)
if err != nil {
t.Fatalf("ExtractLyrics failed: %v (metadata=%+v)", err, meta)
}
if !strings.Contains(embeddedLyrics, "Hello from embedded lyrics") {
t.Fatalf("embedded lyrics missing, got %q (metadata=%+v)", embeddedLyrics, meta)
}
if !strings.Contains(meta.Lyrics, "Hello from embedded lyrics") {
t.Fatalf("ReadID3Tags lyrics missing, got %+v", meta)
}
if _, err := os.Stat(finalMp3); err != nil {
t.Fatalf("expected final mp3 to exist: %v", err)
}
}
go_backend/go.mod
+1 -1
View File
@@ -12,6 +12,7 @@ require (
github.com/refraction-networking/utls v1.8.2
golang.org/x/mobile v0.0.0-20260211191516-dcd2a3258864
golang.org/x/net v0.50.0
golang.org/x/text v0.34.0
)
require (
@@ -24,6 +25,5 @@ require (
golang.org/x/mod v0.33.0 // indirect
golang.org/x/sync v0.19.0 // indirect
golang.org/x/sys v0.41.0 // indirect
golang.org/x/text v0.34.0 // indirect
golang.org/x/tools v0.42.0 // indirect
)
go_backend/go.sum
-18
View File
@@ -6,8 +6,6 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dlclark/regexp2 v1.11.4 h1:rPYF9/LECdNymJufQKmri9gV604RvvABwgOA8un7yAo=
github.com/dlclark/regexp2 v1.11.4/go.mod h1:DHkYz0B9wPfa6wondMfaivmHpzrQ3v9q8cnmRbL6yW8=
github.com/dop251/goja v0.0.0-20260106131823-651366fbe6e3 h1:bVp3yUzvSAJzu9GqID+Z96P+eu5TKnIMJSV4QaZMauM=
github.com/dop251/goja v0.0.0-20260106131823-651366fbe6e3/go.mod h1:MxLav0peU43GgvwVgNbLAj1s/bSGboKkhuULvq/7hx4=
github.com/dop251/goja v0.0.0-20260216154549-8b74ce4618c5 h1:QckvTXtu55YMopmVeDrPQ/r+T6xjw8KMCmE3UgUldkw=
github.com/dop251/goja v0.0.0-20260216154549-8b74ce4618c5/go.mod h1:MxLav0peU43GgvwVgNbLAj1s/bSGboKkhuULvq/7hx4=
github.com/go-flac/flacpicture/v2 v2.0.2 h1:HCaJIVZpxnpdWs6G3ECEVRelzqS5xOi1Ba1AGmtXbzE=
@@ -30,36 +28,20 @@ github.com/refraction-networking/utls v1.8.2 h1:j4Q1gJj0xngdeH+Ox/qND11aEfhpgoEv
github.com/refraction-networking/utls v1.8.2/go.mod h1:jkSOEkLqn+S/jtpEHPOsVv/4V4EVnelwbMQl4vCWXAM=
github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
golang.org/x/crypto v0.47.0 h1:V6e3FRj+n4dbpw86FJ8Fv7XVOql7TEwpHapKoMJ/GO8=
golang.org/x/crypto v0.47.0/go.mod h1:ff3Y9VzzKbwSSEzWqJsJVBnWmRwRSHt/6Op5n9bQc4A=
golang.org/x/crypto v0.48.0 h1:/VRzVqiRSggnhY7gNRxPauEQ5Drw9haKdM0jqfcCFts=
golang.org/x/crypto v0.48.0/go.mod h1:r0kV5h3qnFPlQnBSrULhlsRfryS2pmewsg+XfMgkVos=
golang.org/x/mobile v0.0.0-20260204172633-1dceadbbeea3 h1:NiJtT7g4ncNFVjVZMAYNBrPSNhIjFYPj8UKA8MEw2A4=
golang.org/x/mobile v0.0.0-20260204172633-1dceadbbeea3/go.mod h1:wReH3Q1agKmmLapipWFnd4NSs8KPz3fK6mSEZjXLkrg=
golang.org/x/mobile v0.0.0-20260209203831-923679eb55af h1:VqXrZNyqFISxo0rNDFZQlRDRIp7RXSJDeh/LbrK+W1k=
golang.org/x/mobile v0.0.0-20260209203831-923679eb55af/go.mod h1:tbwefIr7RlQD1OpZ0KEZ9nux/uiihAOGdafgZfJkmII=
golang.org/x/mobile v0.0.0-20260211191516-dcd2a3258864 h1:cTVynMSsMYgbUrtia2HB1jrhdUwQNtQti91vUCyjMp4=
golang.org/x/mobile v0.0.0-20260211191516-dcd2a3258864/go.mod h1:4OGHIUSBiIqyFAQDaX1tpY0BVnO20DvNDeATBu8aeFQ=
golang.org/x/mod v0.32.0 h1:9F4d3PHLljb6x//jOyokMv3eX+YDeepZSEo3mFJy93c=
golang.org/x/mod v0.32.0/go.mod h1:SgipZ/3h2Ci89DlEtEXWUk/HteuRin+HHhN+WbNhguU=
golang.org/x/mod v0.33.0 h1:tHFzIWbBifEmbwtGz65eaWyGiGZatSrT9prnU8DbVL8=
golang.org/x/mod v0.33.0/go.mod h1:swjeQEj+6r7fODbD2cqrnje9PnziFuw4bmLbBZFrQ5w=
golang.org/x/net v0.49.0 h1:eeHFmOGUTtaaPSGNmjBKpbng9MulQsJURQUAfUwY++o=
golang.org/x/net v0.49.0/go.mod h1:/ysNB2EvaqvesRkuLAyjI1ycPZlQHM3q01F02UY/MV8=
golang.org/x/net v0.50.0 h1:ucWh9eiCGyDR3vtzso0WMQinm2Dnt8cFMuQa9K33J60=
golang.org/x/net v0.50.0/go.mod h1:UgoSli3F/pBgdJBHCTc+tp3gmrU4XswgGRgtnwWTfyM=
golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
golang.org/x/sys v0.40.0 h1:DBZZqJ2Rkml6QMQsZywtnjnnGvHza6BTfYFWY9kjEWQ=
golang.org/x/sys v0.40.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
golang.org/x/text v0.33.0 h1:B3njUFyqtHDUI5jMn1YIr5B0IE2U0qck04r6d4KPAxE=
golang.org/x/text v0.33.0/go.mod h1:LuMebE6+rBincTi9+xWTY8TztLzKHc/9C1uBCG27+q8=
golang.org/x/text v0.34.0 h1:oL/Qq0Kdaqxa1KbNeMKwQq0reLCCaFtqu2eNuSeNHbk=
golang.org/x/text v0.34.0/go.mod h1:homfLqTYRFyVYemLBFl5GgL/DWEiH5wcsQ5gSh1yziA=
golang.org/x/tools v0.41.0 h1:a9b8iMweWG+S0OBnlU36rzLp20z1Rp10w+IY2czHTQc=
golang.org/x/tools v0.41.0/go.mod h1:XSY6eDqxVNiYgezAVqqCeihT4j1U2CCsqvH3WhQpnlg=
golang.org/x/tools v0.42.0 h1:uNgphsn75Tdz5Ji2q36v/nsFSfR/9BRFvqhGBaJGd5k=
golang.org/x/tools v0.42.0/go.mod h1:Ma6lCIwGZvHK6XtgbswSoWroEkhugApmsXyrUmBhfr0=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=