X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=fecdec_filter.c;h=2c63fc6b00ac6d671f74142ac74060bacece8bed;hp=1ff4abbbed26122644ff47ad42a5c44f0bc3d5d3;hb=acebb60a3709eebbfed30dc47c1f324969e4d7c7;hpb=684ea7f70948c9ce5077a8a6460946ff86fefe46

diff --git a/fecdec_filter.c b/fecdec_filter.c
index 1ff4abbb..2c63fc6b 100644
--- a/fecdec_filter.c
+++ b/fecdec_filter.c
@@ -104,7 +104,7 @@ struct private_fecdec_data {
 
 /** Iterate over all fecdec groups. */
 #define FOR_EACH_FECDEC_GROUP(g, d) for (g = (d)->groups; \
-	(g) - (d)->groups < NUM_FEC_GROUPS; (g)++)
+	(g) < (d)->groups + NUM_FEC_GROUPS; (g)++)
 
 static int group_complete(struct fecdec_group *fg)
 {
@@ -396,6 +396,10 @@ static int dispatch_slice(char *buf, size_t len, struct fec_header *h,
 		return 1;
 	if (group_complete(fg)) {
 		if (pfd->completion_status == GCS_NO_COMPLETE_GROUP) {
+			enum fec_group_usability u = group_is_usable(fg, pfd);
+			assert(u != FEC_GROUP_USABLE_SKIP_HEADER);
+			if (u == FEC_GROUP_UNUSABLE)
+				return 1;
 			pfd->completion_status = GCS_FIRST_GROUP_COMPLETE;
 			pfd->first_complete_group = fg;
 			return 1;