picture: add a commonly used plane_SwapUV function

Signed-off-by: Jean-Baptiste Kempf <[email protected]>
austin98x · Dec 17, 2017 · c8f7552 · c8f7552
1 parent 7cbdd3b
commit c8f7552
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/include/vlc_picture.h b/include/vlc_picture.h
@@ -254,6 +254,18 @@ enum
 #define A_PIXELS     p[A_PLANE].p_pixels
 #define A_PITCH      p[A_PLANE].i_pitch
 
+
+/*****************************************************************************
+ * plane helper funcions
+ *****************************************************************************/
+
+static inline void plane_SwapUV(plane_t p[PICTURE_PLANE_MAX])
+{
+    uint8_t *buf = p[V_PLANE].p_pixels;
+    p[V_PLANE].p_pixels = p[U_PLANE].p_pixels;
+    p[U_PLANE].p_pixels = buf;
+}
+
 /**@}*/
 
 #endif /* VLC_PICTURE_H */