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-rw-r--r--libavcodec/mpegvideo_enc.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 38c42fe192..e453ba5422 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1136,6 +1136,8 @@ static int estimate_best_b_count(MpegEncContext *s)
int64_t best_rd = INT64_MAX;
int best_b_count = -1;
+ if (!c)
+ return AVERROR(ENOMEM);
assert(scale >= 0 && scale <= 3);
//emms_c();