avutil/frame: add helper to remove side data of a given type from an array

Signed-off-by: James Almer <jamrial@gmail.com>

libavutil/frame.c

@@ -937,6 +937,12 @@ const AVFrameSideData *av_frame_side_data_get_c(const AVFrameSideData * const *s
     return NULL;
 }
 
+void av_frame_side_data_remove(AVFrameSideData ***sd, int *nb_sd,
+                               enum AVFrameSideDataType type)
+{
+    remove_side_data(sd, nb_sd, type);
+}
+
 AVFrameSideData *av_frame_get_side_data(const AVFrame *frame,
                                         enum AVFrameSideDataType type)
 {

libavutil/frame.h

@@ -1149,6 +1149,11 @@ const AVFrameSideData *av_frame_side_data_get(AVFrameSideData * const *sd,
                                     nb_sd, type);
 }
 
+/**
+ * Remove and free all side data instances of the given type from an array.
+ */
+void av_frame_side_data_remove(AVFrameSideData ***sd, int *nb_sd,
+                               enum AVFrameSideDataType type);
 /**
  * @}
  */