#include "libavutil/eval.h"
#include "libavutil/fifo.h"
#include "libavcodec/dsputil.h"
+#include "libavutil/internal.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
.inputs = (const AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.get_video_buffer = ff_null_get_video_buffer,
+ .min_perms = AV_PERM_PRESERVE,
.config_props = config_input,
.start_frame = start_frame,
.draw_slice = draw_slice,