This is required after sws_format_name() was replaced by av_get_pix_fmt(), which is declared in libavutil/pixdesc.h.
@@ -28,6 +28,7 @@
#include <assert.h>
#include "config.h"
#include <unistd.h>
+#include "libavutil/pixdesc.h"
#include "libswscale/rgb2rgb.h"
#include "libswscale/swscale.h"
#include "libswscale/swscale_internal.h"