.start_frame = null_start_frame,
.draw_slice = null_draw_slice,
.end_frame = end_frame, },
{ .name = NULL}},
.outputs = (const AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.start_frame = null_start_frame,
.draw_slice = null_draw_slice,
.end_frame = end_frame, },
{ .name = NULL}},
.outputs = (const AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,