---
libavcodec/realtextdec.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/libavcodec/realtextdec.c b/libavcodec/realtextdec.c
index 4578897..603c3c9 100644
--- a/libavcodec/realtextdec.c
+++ b/libavcodec/realtextdec.c
@@ -59,6 +59,7 @@ static int rt_event_to_ass(AVBPrint *buf, const char *p)
static int realtext_decode_frame(AVCodecContext *avctx,
void *data, int *got_sub_ptr, AVPacket *avpkt)
{
+ int ret = 0;
AVSubtitle *sub = data;
const char *ptr = avpkt->data;
AVBPrint buf;
@@ -66,10 +67,16 @@ static int realtext_decode_frame(AVCodecContext *avctx,
av_bprint_init(&buf, 0, 4096);
// note: no need to rescale pts & duration since they are in the same
// timebase as ASS (1/100)
- if (ptr && avpkt->size > 0 && !rt_event_to_ass(&buf, ptr))
- ff_ass_add_rect(sub, buf.str, avpkt->pts, avpkt->duration, 0);
- *got_sub_ptr = sub->num_rects > 0;
+ if (ptr && avpkt->size > 0 && !rt_event_to_ass(&buf, ptr)) {
+ if (!av_bprint_is_complete(&buf))
+ ret = AVERROR(ENOMEM);
+ else
+ ret = ff_ass_add_rect(sub, buf.str, avpkt->pts, avpkt->duration,
0);
+ }
av_bprint_finalize(&buf, NULL);
+ if (ret < 0)
+ return ret;
+ *got_sub_ptr = sub->num_rects > 0;
return avpkt->size;
}
--
2.1.0
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