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Diffstat (limited to 'libavfilter/vf_pad.c')
-rw-r--r--libavfilter/vf_pad.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavfilter/vf_pad.c b/libavfilter/vf_pad.c
index 9fc4b39b16..2a3c17ea18 100644
--- a/libavfilter/vf_pad.c
+++ b/libavfilter/vf_pad.c
@@ -262,7 +262,7 @@ static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref)
AVFilterBufferRef *outpicref = avfilter_ref_buffer(inpicref, ~0);
int plane;
- for (plane = 0; plane < 4 && outpicref->data[plane]; plane++) {
+ for (plane = 0; plane < 4 && outpicref->data[plane] && pad->draw.pixelstep[plane]; plane++) {
int hsub = pad->draw.hsub[plane];
int vsub = pad->draw.vsub[plane];