JPEGVGetField    2227 3rdparty/libtiff/tif_jpeg.c     tif->tif_tagmethods.vgetfield = JPEGVGetField; /* hook for codec tags */
JPEGVGetField      25 3rdparty/libtiff/tif_jpeg_12.c     tif->tif_tagmethods.vgetfield = JPEGVGetField; /* hook for codec tags */