static int add_metadata(const uint8_t **buf, int count, int type, const char *name, const char *sep, TiffContext *s) { switch(type) { case TIFF_DOUBLE: return add_doubles_metadata(buf, count, name, sep, s); case TIFF_SHORT : return add_shorts_metadata(buf, count, name, sep, s); default : return AVERROR_INVALIDDATA; }; }