---
libavfilter/vf_scale.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c
index 58eee96744..98cef5eb4b 100644
--- a/libavfilter/vf_scale.c
+++ b/libavfilter/vf_scale.c
@@ -631,7 +631,7 @@ static int scale_slice(AVFilterLink *link, AVFrame
*out_buf, AVFrame *cur_pic, s
int in_stride[4],out_stride[4];
int i;
- for (i=0; i<4; i++) {
+ for (i=0; i<4 && cur_pic->data[i] != NULL; i++) {
int vsub= ((i+1)&2) ? scale->vsub : 0;
in_stride[i] = cur_pic->linesize[i] * mul;
out_stride[i] = out_buf->linesize[i] * mul;
--
2.30.0.478.g8a0d178c01-goog
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