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feat(metadata): show average bitrate for lossless files in the track screen

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zarzet
2026-07-27 01:20:38 +07:00
parent 52b1147275
commit e8a3fc58c7
3 changed files with 37 additions and 5 deletions
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go_backend/exports_metadata.go
+11
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@@ -144,6 +144,13 @@ func ReadFileMetadata(filePath string) (string, error) {
}
if quality.SampleRate > 0 && quality.TotalSamples > 0 {
result["duration"] = int(quality.TotalSamples / int64(quality.SampleRate))
// Average bitrate from file size: helps spot lossy audio
// repackaged as "24-bit" FLAC (real hi-res sits well above
// ~1500 kbps, upconverted files far below).
durationSec := float64(quality.TotalSamples) / float64(quality.SampleRate)
if info, statErr := os.Stat(filePath); statErr == nil && info.Size() > 0 && durationSec > 0 {
result["bitrate"] = int(float64(info.Size()) * 8 / durationSec / 1000)
}
}
}
}
@@ -164,6 +171,10 @@ func ReadFileMetadata(filePath string) (string, error) {
}
if quality.Bitrate > 0 && !isLosslessLibraryFormat(fmt.Sprint(result["format"])) {
result["bitrate"] = quality.Bitrate
} else if quality.Duration > 0 {
if info, statErr := os.Stat(filePath); statErr == nil && info.Size() > 0 {
result["bitrate"] = int(float64(info.Size()) * 8 / float64(quality.Duration) / 1000)
}
}
}
} else if isMp3 {