[libav-devel] [PATCH 13/13] hevc: Make sure the referenced frames are instantiated

[Luca Barbato]

Sample-Id: 00001388-google
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-sta...@libav.org
---
 libavcodec/hevc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/hevc.c b/libavcodec/hevc.c
index 5d520fa..bd547cb 100644
--- a/libavcodec/hevc.c
+++ b/libavcodec/hevc.c
@@ -1759,13 +1759,13 @@ static void hls_prediction_unit(HEVCContext *s, int x0, 
int y0,
 
     if (current_mv.pred_flag[0]) {
         ref0 = refPicList[0].ref[current_mv.ref_idx[0]];
-        if (!ref0)
+        if (!ref0 || !ref0->frame->data[0])
             return;
         hevc_await_progress(s, ref0, &current_mv.mv[0], y0, nPbH);
     }
     if (current_mv.pred_flag[1]) {
         ref1 = refPicList[1].ref[current_mv.ref_idx[1]];
-        if (!ref1)
+        if (!ref1 || !ref1->frame->data[0])
             return;
         hevc_await_progress(s, ref1, &current_mv.mv[1], y0, nPbH);
     }
-- 
1.8.5.1

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