feat: git init

pkg/audio/audio.go

@@ -0,0 +1,56 @@
+package audio
+
+import (
+	"errors"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+// SupportedAudioFormats lists the audio formats that can be processed
+type SupportedAudioFormats []string
+
+var DefaultSupportedFormats = SupportedAudioFormats{
+	".mp3",
+	".wav",
+	".flac",
+	".m4a",
+	".ogg",
+	".opus",
+}
+
+// IsSupported checks if a file has a supported audio format
+type AudioFile struct {
+	Path   string
+	Format string
+	Size   int64
+}
+
+func NewAudioFile(path string) (*AudioFile, error) {
+	fileInfo, err := os.Stat(path)
+	if err != nil {
+		return nil, err
+	}
+
+	ext := filepath.Ext(path)
+	if !IsSupported(ext) {
+		return nil, errors.New("unsupported audio format: " + ext)
+	}
+
+	return &AudioFile{
+		Path:   path,
+		Format: ext,
+		Size:   fileInfo.Size(),
+	}, nil
+}
+
+// IsSupported checks if the given extension is in supported formats
+func IsSupported(ext string) bool {
+	ext = strings.ToLower(ext)
+	for _, format := range DefaultSupportedFormats {
+		if ext == format {
+			return true
+		}
+	}
+	return false
+}