- av_bprintf(&new_line, "\r\n");
-
- av_bprint_finalize(&new_line, &decoded_sub);
- if (*decoded_sub) {
- int64_t start = avpkt->pts;
- int64_t duration = avpkt->duration;
- int ts_start = av_rescale_q(start, avctx->time_base, (AVRational){1,100});
- int ts_duration = duration != -1 ?
- av_rescale_q(duration, avctx->time_base, (AVRational){1,100}) : -1;
- ff_ass_add_rect(sub, decoded_sub, ts_start, ts_duration, 0);
- }
- av_free(decoded_sub);
+ int ret;
+ int64_t start = avpkt->pts;
+ int64_t duration = avpkt->duration;
+ int ts_start = av_rescale_q(start, avctx->time_base, (AVRational){1,100});
+ int ts_duration = duration != -1 ?
+ av_rescale_q(duration, avctx->time_base, (AVRational){1,100}) : -1;
+
+ ret = ff_ass_add_rect_bprint(sub, &new_line, ts_start, ts_duration);
+ av_bprint_finalize(&new_line, NULL);
+ if (ret < 0)
+ return ret;