refactor(scanner): export ExtractAndUploadAudiobookCover

Required for the enricher to call it during deferred cover extraction.
Also exports FFmpegPathFromFFprobe for the same reason.

internal/scanner/audiobook_cover.go

@@ -17,9 +17,9 @@ type audiobookCoverCacher interface {
 	CacheAudiobookCover(ctx context.Context, data []byte, contentID string) (basePath string, ext string, thumbhash string, err error)
 }
 
-// ffmpegPathFromFFprobe derives the ffmpeg binary path from a configured
+// FFmpegPathFromFFprobe derives the ffmpeg binary path from a configured
 // ffprobe path. They live side by side in every silo deployment.
-func ffmpegPathFromFFprobe(ffprobePath string) string {
+func FFmpegPathFromFFprobe(ffprobePath string) string {
 	if ffprobePath == "" {
 		return ""
 	}
@@ -32,12 +32,12 @@ func ffmpegPathFromFFprobe(ffprobePath string) string {
 	return ""
 }
 
-// extractAndUploadAudiobookCover reads the embedded cover image (if any)
+// ExtractAndUploadAudiobookCover reads the embedded cover image (if any)
 // from the given audio file via ffmpeg, pushes it through the silo
 // imagecache (resize + thumbhash + S3 upload), and returns the
 // poster_path S3 key plus thumbhash. Returns "", "" (no error) when no
 // embedded cover exists or the cacher is unavailable.
-func extractAndUploadAudiobookCover(
+func ExtractAndUploadAudiobookCover(
 	ctx context.Context,
 	ffmpegPath string,
 	cacher audiobookCoverCacher,

internal/scanner/audiobook_scan.go

@@ -301,7 +301,7 @@ func (s *Scanner) reconcileAudiobookFolder(ctx context.Context, folder *models.M
 		}
 	}
 	if len(parsed.Files) > 0 && s.imageCacher != nil {
-		poster, thumb := extractAndUploadAudiobookCover(ctx, ffmpegPathFromFFprobe(s.ffprobePath), s.imageCacher, parsed.Files[0].Path, contentID)
+		poster, thumb := ExtractAndUploadAudiobookCover(ctx, FFmpegPathFromFFprobe(s.ffprobePath), s.imageCacher, parsed.Files[0].Path, contentID)
 		if poster != "" {
 			if _, err := s.fileRepo.Pool().Exec(ctx, `
 				UPDATE media_items