[FFmpeg-devel] [PATCH v3 03/12] avutil/frame: add helper for uninitializing side data sets

["Jan Ekström" <jeebjp@gmail.com>]

---
 libavutil/frame.c | 5 +++++
 libavutil/frame.h | 8 ++++++++
 2 files changed, 13 insertions(+)

diff --git a/libavutil/frame.c b/libavutil/frame.c
index 4b8481b756..c90bf5d9b1 100644
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@ -90,6 +90,11 @@ static void frame_side_data_wipe(AVFrame *frame)
     wipe_side_data(&frame->side_data, &frame->nb_side_data);
 }
 
+void av_side_data_set_uninit(AVFrameSideDataSet *set)
+{
+    wipe_side_data(&set->sd, &set->nb_sd);
+}
+
 AVFrame *av_frame_alloc(void)
 {
     AVFrame *frame = av_malloc(sizeof(*frame));
diff --git a/libavutil/frame.h b/libavutil/frame.h
index 6155226c1d..e5ca7af651 100644
--- a/libavutil/frame.h
+++ b/libavutil/frame.h
@@ -1057,6 +1057,14 @@ int av_frame_apply_cropping(AVFrame *frame, int flags);
  */
 const char *av_frame_side_data_name(enum AVFrameSideDataType type);
 
+/**
+ * Free all side data items and their contents, then zeroes out the
+ * struct values.
+ *
+ * @param set the set which should be uninitialized
+ */
+void av_side_data_set_uninit(AVFrameSideDataSet *set);
+
 /**
  * @}
  */
-- 
2.41.0

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