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-rw-r--r--libavfilter/vf_transpose.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavfilter/vf_transpose.c b/libavfilter/vf_transpose.c
index 8b11ae8d53..f4f72b9c64 100644
--- a/libavfilter/vf_transpose.c
+++ b/libavfilter/vf_transpose.c
@@ -195,6 +195,8 @@ static void end_frame(AVFilterLink *inlink)
avfilter_unref_buffer(outpic);
}
+static void null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { }
+
AVFilter avfilter_vf_transpose = {
.name = "transpose",
.description = NULL_IF_CONFIG_SMALL("Transpose input video."),
@@ -207,6 +209,7 @@ AVFilter avfilter_vf_transpose = {
.inputs = (AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.start_frame = start_frame,
+ .draw_slice = null_draw_slice,
.end_frame = end_frame,
.min_perms = AV_PERM_READ, },
{ .name = NULL}},