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refactor: improve variable names and update comments for clarity

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Chigozirim Igweamaka 2025-03-08 05:47:20 +01:00
parent 854b94fca6
commit f1430ffb8b
1 changed files with 12 additions and 8 deletions
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20
shazam/shazam.go
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@ -18,21 +18,21 @@ type Match struct {
Score float64
}
// FindMatches processes the audio samples and finds matches in the database
func FindMatches(audioSamples []float64, audioDuration float64, sampleRate int) ([]Match, time.Duration, error) {
// FindMatches analyzes the audio sample to find matching songs in the database.
func FindMatches(audioSample []float64, audioDuration float64, sampleRate int) ([]Match, time.Duration, error) {
startTime := time.Now()
logger := utils.GetLogger()
spectrogram, err := Spectrogram(audioSamples, sampleRate)
spectrogram, err := Spectrogram(audioSample, sampleRate)
if err != nil {
return nil, time.Since(startTime), fmt.Errorf("failed to get spectrogram of samples: %v", err)
}
peaks := ExtractPeaks(spectrogram, audioDuration)
fingerprints := Fingerprint(peaks, utils.GenerateUniqueID())
sampleFingerprint := Fingerprint(peaks, utils.GenerateUniqueID())
addresses := make([]uint32, 0, len(fingerprints))
for address := range fingerprints {
addresses := make([]uint32, 0, len(sampleFingerprint))
for address := range sampleFingerprint {
addresses = append(addresses, address)
}
@ -53,7 +53,10 @@ func FindMatches(audioSamples []float64, audioDuration float64, sampleRate int)
for address, couples := range m {
for _, couple := range couples {
matches[couple.SongID] = append(matches[couple.SongID], [2]uint32{fingerprints[address].AnchorTimeMs, couple.AnchorTimeMs})
matches[couple.SongID] = append(
matches[couple.SongID],
[2]uint32{sampleFingerprint[address].AnchorTimeMs, couple.AnchorTimeMs},
)
timestamps[couple.SongID] = append(timestamps[couple.SongID], couple.AnchorTimeMs)
if _, ok := targetZones[couple.SongID]; !ok {
@ -122,7 +125,8 @@ func filterMatches(
return filteredMatches
}
// AnalyzeRelativeTiming checks for consistent relative timing and returns a score
// analyzeRelativeTiming calculates a score for each song based on the
// relative timing between the song and the sample's anchor times.
func analyzeRelativeTiming(matches map[uint32][][2]uint32) map[uint32]float64 {
scores := make(map[uint32]float64)
for songID, times := range matches {