lavc/dvbsub: Do not fail hard in the region block for 256-colour encoding.

Adds a hunk forgotten in 8a6799d2
2017-10-24 22:46:00 +02:00 · 2017-10-24 22:46:00 +02:00 · df95f145be
commit df95f145be
parent 3c14547eb7
1 changed files with 3 additions and 0 deletions
--- a/libavcodec/dvbsub.c
+++ b/libavcodec/dvbsub.c
@ -342,6 +342,9 @@ static int encode_dvb_subtitles(DVBSubtitleContext *s,
        } else if (h->rects[region_id]->nb_colors <= 16) {
            /* 4 bpp, standard encoding */
            bpp_index = 1;
+        } else if (h->rects[region_id]->nb_colors <= 256) {
+            /* 8 bpp, standard encoding */
+            bpp_index = 2;
        } else {
            return -1;
        }