X-Git-Url: https://git.sesse.net/?p=fjl;a=blobdiff_plain;f=driver.c;h=d5bec84f8db5101aa33d6010c2de831e8f85339a;hp=616b613f944ee5ae3ba12a69476eb37d9b20a336;hb=165a5b18aeeaaa0f27ea63c8c0d0bcbe87bc5aaa;hpb=a4009687c73083dd0290285a065740a83e27e855

diff --git a/driver.c b/driver.c
index 616b613..d5bec84 100644
--- a/driver.c
+++ b/driver.c
@@ -180,6 +180,7 @@ void read_scan(struct byte_source* source, struct jpeg_image* image, huffman_tab
 						unsigned rs = read_huffman_symbol_no_refill(ac_table, &bits);
 						unsigned r = rs >> 4;
 						unsigned s = rs & 0xf;
+						i += r;
 
 						if (rs == 0x00) {
 							/* end of block */
@@ -188,10 +189,8 @@ void read_scan(struct byte_source* source, struct jpeg_image* image, huffman_tab
 						if (rs == 0xf0) {
 							/* 16 zero coefficients */
 							possibly_refill(&bits, DEHUF_TABLE_BITS);
-							i += 15;
 							continue;
 						}
-						i += r;
 
 						possibly_refill(&bits, s + DEHUF_TABLE_BITS);
 						coeff[unzigzag[i]] = extend(read_bits(&bits, s), s);