matroskadec: fix a sanity check.
[ffmpeg.git] / libavfilter / vf_hflip.c
index 06c4248..87bfe11 100644 (file)
  * horizontal flip filter
  */
 
+#include <string.h>
+
 #include "avfilter.h"
 #include "formats.h"
 #include "internal.h"
 #include "video.h"
 #include "libavutil/pixdesc.h"
+#include "libavutil/internal.h"
 #include "libavutil/intreadwrite.h"
 #include "libavutil/imgutils.h"