1 files changed, 10 insertions, 0 deletions
diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index 18563eed78..bd5628d081 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -61,6 +61,14 @@
 
 struct SwsContext;
 
+typedef enum SwsDither {
+    SWS_DITHER_NONE = 0,
+    SWS_DITHER_AUTO,
+    SWS_DITHER_BAYER,
+    SWS_DITHER_ED,
+    NB_SWS_DITHER,
+} SwsDither;
+
 typedef int (*SwsFunc)(struct SwsContext *context, const uint8_t *src[],
                        int srcStride[], int srcSliceY, int srcSliceH,
                        uint8_t *dst[], int dstStride[]);
@@ -593,6 +601,8 @@ typedef struct SwsContext {
     void (*chrConvertRange)(int16_t *dst1, int16_t *dst2, int width);
 
     int needs_hcscale; ///< Set if there are chroma planes to be converted.
+
+    SwsDither dither;
 } SwsContext;
 //FIXME check init (where 0)