@@ -340,8 +340,14 @@ static int a64multi_encode_frame(AVCodecContext *avctx, AVPacket *pkt,

             buf = pkt->data;

             /* calc optimal new charset + charmaps */

-            avpriv_init_elbg(meta, 32, 1000 * c->mc_lifetime, best_cb, CHARSET_CHARS, 50, charmap, &c->randctx);

-            avpriv_do_elbg  (meta, 32, 1000 * c->mc_lifetime, best_cb, CHARSET_CHARS, 50, charmap, &c->randctx);

+            ret = avpriv_init_elbg(meta, 32, 1000 * c->mc_lifetime, best_cb,

+                               CHARSET_CHARS, 50, charmap, &c->randctx);

+            if (ret < 0)

+                return ret;

+            ret = avpriv_do_elbg(meta, 32, 1000 * c->mc_lifetime, best_cb,

+                             CHARSET_CHARS, 50, charmap, &c->randctx);

+            if (ret < 0)

+                return ret;

             /* create colorram map and a c64 readable charset */

             render_charset(avctx, charset, colram);