changelog: Move Ogg subtypes aliases entry to the correct release

[ffmpeg] / libavutil / display.h

diff --git a/libavutil/display.h b/libavutil/display.h
index ea762a4249101e13c470164c7e91b5f895d148c1..7e376276375e1efb9f9b3b4b6a6de8e72514b0fb 100644 (file)
--- a/libavutil/display.h
+++ b/libavutil/display.h
@@ -74,4 +74,13 @@ double av_display_rotation_get(const int32_t matrix[9]);
  */
 void av_display_rotation_set(int32_t matrix[9], double angle);
 
+/**
+ * Flip the input matrix horizontally and/or vertically.
+ *
+ * @param matrix an allocated transformation matrix
+ * @param hflip whether the matrix should be flipped horizontally
+ * @param vflip whether the matrix should be flipped vertically
+ */
+void av_display_matrix_flip(int32_t matrix[9], int hflip, int vflip);
+
 #endif /* AVUTIL_DISPLAY_H */