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attempt to resample recording

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Chigozirim Igweamaka 2024-06-23 14:43:19 +01:00
parent 0d93723099
commit 1d012bed5e
1 changed files with 31 additions and 11 deletions
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42
socketHandlers.go
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@ -30,10 +30,11 @@ func downloadStatus(statusType, message string) string {
} }
type RecordData struct { type RecordData struct {
Audio string `json:"audio"` Audio string `json:"audio"`
Channels int `json:"channels"` Duration float64 `json:"duration"`
SampleRate int `json:"sampleRate"` Channels int `json:"channels"`
SampleSize int `json:"sampleSize"` SampleRate int `json:"sampleRate"`
SampleSize int `json:"sampleSize"`
} }
func handleTotalSongs(socket socketio.Conn) { func handleTotalSongs(socket socketio.Conn) {
@ -207,19 +208,38 @@ func handleNewRecording(socket socketio.Conn, recordData string) {
bitsPerSample := recData.SampleSize bitsPerSample := recData.SampleSize
fmt.Println(channels, sampleRate, bitsPerSample) fmt.Println(channels, sampleRate, bitsPerSample)
err = wav.WriteWavFile("blob.wav", decodedAudioData, sampleRate, channels, bitsPerSample)
if err != nil {
err := xerrors.New(err)
logger.ErrorContext(ctx, "failed to write wav file.", slog.Any("error", err))
}
samples, err := wav.WavBytesToSamples(decodedAudioData) samples, err := wav.WavBytesToSamples(decodedAudioData)
if err != nil { if err != nil {
err := xerrors.New(err) err := xerrors.New(err)
logger.ErrorContext(ctx, "failed to convert decodedData to samples.", slog.Any("error", err)) logger.ErrorContext(ctx, "failed to convert decodedData to samples.", slog.Any("error", err))
} }
matches, err := shazam.FindMatches(samples, 10.0, sampleRate) /** this operation alters the audio, adding some level of bass to it.
if sampleRate != 44100 {
samples, err = shazam.Downsample(samples, sampleRate, 44100)
if err != nil {
err := xerrors.New(err)
logger.ErrorContext(ctx, "failed to downsample.", slog.Any("error", err))
}
sampleRate = 44100
}
// Save recording
recordingInBytes, err := utils.FloatsToBytes(samples, bitsPerSample)
if err != nil {
err := xerrors.New(err)
logger.ErrorContext(ctx, "failed to convert bytes.", slog.Any("error", err))
}
decodedAudioData = recordingInBytes
*/
err = wav.WriteWavFile("blob.wav", decodedAudioData, sampleRate, channels, bitsPerSample)
if err != nil {
err := xerrors.New(err)
logger.ErrorContext(ctx, "failed to write wav file.", slog.Any("error", err))
}
matches, err := shazam.FindMatchess(samples, recData.Duration, sampleRate)
if err != nil { if err != nil {
err := xerrors.New(err) err := xerrors.New(err)
logger.ErrorContext(ctx, "failed to get matches.", slog.Any("error", err)) logger.ErrorContext(ctx, "failed to get matches.", slog.Any("error", err))