Signed-off-by: James Almer <jamr...@gmail.com>
---
Now taking ownership of the passed in buffer, as Anton suggested.
libavutil/frame.c | 22 ++++++++++++++++++++++
libavutil/frame.h | 23 +++++++++++++++++++++++
2 files changed, 45 insertions(+)
diff --git a/libavutil/frame.c b/libavutil/frame.c
index d7a32cdc92..0717d89711 100644
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@ -782,6 +782,28 @@ AVFrameSideData *av_frame_side_data_new(AVFrameSideData
***sd, int *nb_sd,
return ret;
}
+AVFrameSideData *av_frame_side_data_add(AVFrameSideData ***sd, int *nb_sd,
+ enum AVFrameSideDataType type,
+ AVBufferRef **buf,
+ unsigned int flags)
+{
+ AVFrameSideData *sd_dst = NULL;
+
+ if (!sd || !buf || !nb_sd || (*nb_sd && !*sd))
+ return NULL;
+
+ if (flags & AV_FRAME_SIDE_DATA_FLAG_UNIQUE)
+ remove_side_data(sd, nb_sd, type);
+
+ sd_dst = add_side_data_from_buf(sd, nb_sd, type, *buf);
+ if (!sd_dst)
+ return NULL;
+
+ *buf = NULL;
+
+ return sd_dst;
+}
+
int av_frame_side_data_clone(AVFrameSideData ***sd, int *nb_sd,
const AVFrameSideData *src, unsigned int flags)
{
diff --git a/libavutil/frame.h b/libavutil/frame.h
index 373866c600..e3733ce928 100644
--- a/libavutil/frame.h
+++ b/libavutil/frame.h
@@ -1021,6 +1021,29 @@ AVFrameSideData *av_frame_side_data_new(AVFrameSideData
***sd, int *nb_sd,
enum AVFrameSideDataType type,
size_t size, unsigned int flags);
+/**
+ * Add a new side data entry to an array from an existing AVBufferRef.
+ *
+ * @param sd pointer to array of side data to which to add another entry,
+ * or to NULL in order to start a new array.
+ * @param nb_sd pointer to an integer containing the number of entries in
+ * the array.
+ * @param type type of the added side data
+ * @param buf Pointer to AVBufferRef to add to the array. On success,
+ * the ownership of the AVBufferRef is transferred to the frame
+ * and *buf is set to NULL.
+ * @param flags Some combination of AV_FRAME_SIDE_DATA_FLAG_* flags, or 0.
+ *
+ * @return newly added side data on success, NULL on error. In case of
+ * AV_FRAME_SIDE_DATA_FLAG_UNIQUE being set, entries of matching
+ * AVFrameSideDataType will be removed before the addition is
+ * attempted.
+ */
+AVFrameSideData *av_frame_side_data_add(AVFrameSideData ***sd, int *nb_sd,
+ enum AVFrameSideDataType type,
+ AVBufferRef **buf,
+ unsigned int flags);
+
/**
* Add a new side data entry to an array based on existing side data, taking
* a reference towards the contained AVBufferRef.
--
2.44.0
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