From: Anton Mitrofanov <[email protected]>

---
 libavcodec/h264_ps.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c
index f6cd1ca..2ca53e0 100644
--- a/libavcodec/h264_ps.c
+++ b/libavcodec/h264_ps.c
@@ -530,7 +530,7 @@ int ff_h264_decode_seq_parameter_set(GetBitContext *gb, 
AVCodecContext *avctx,
 
     /* if the maximum delay is not stored in the SPS, derive it based on the
      * level */
-    if (!sps->bitstream_restriction_flag) {
+    if (!sps->bitstream_restriction_flag && sps->ref_frame_count) {
         sps->num_reorder_frames = MAX_DELAYED_PIC_COUNT - 1;
         for (i = 0; i < FF_ARRAY_ELEMS(level_max_dpb_mbs); i++) {
             if (level_max_dpb_mbs[i][0] == sps->level_idc) {
-- 
2.8.2

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