Function NewAudioFromFile

pkg/media/types.go:226–256

NewAudioFromFile 从文件创建音频

(path string)

// NewAudioFromFile 从文件创建音频
func NewAudioFromFile(path string) (*Audio, error) {
	data, err := os.ReadFile(path)
	if err != nil {
		return nil, fmt.Errorf("failed to read audio file: %w", err)
	}

	audio := &Audio{
		Name: filepath.Base(path),
		Size: int64(len(data)),
		Data: base64.StdEncoding.EncodeToString(data),
	}

	// 根据扩展名设置 MIME 类型
	ext := strings.ToLower(filepath.Ext(path))
	switch ext {
	case ".mp3":
		audio.MimeType = "audio/mpeg"
	case ".wav":
		audio.MimeType = "audio/wav"
	case ".ogg":
		audio.MimeType = "audio/ogg"
	case ".m4a":
		audio.MimeType = "audio/mp4"
	case ".flac":
		audio.MimeType = "audio/flac"
	default:
		audio.MimeType = "audio/*"
	}

	return audio, nil
}

// File 通用文件
type File struct {