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-rw-r--r--libavutil/display.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/libavutil/display.h b/libavutil/display.h
index 31d8bef361..0c73bff5da 100644
--- a/libavutil/display.h
+++ b/libavutil/display.h
@@ -90,8 +90,8 @@ double av_display_rotation_get(const int32_t matrix[9]);
* Initialize a transformation matrix describing a pure clockwise
* rotation by the specified angle (in degrees).
*
- * @param matrix an allocated transformation matrix (will be fully overwritten
- * by this function)
+ * @param[out] matrix a transformation matrix (will be fully overwritten
+ * by this function)
* @param angle rotation angle in degrees.
*/
void av_display_rotation_set(int32_t matrix[9], double angle);
@@ -99,7 +99,7 @@ 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[in,out] matrix a transformation matrix
* @param hflip whether the matrix should be flipped horizontally
* @param vflip whether the matrix should be flipped vertically
*/