Same rationale as with packet side data, it was never meant to do otherwise
as av_frame_get_side_data returns the first entry it finds of a given type.
Based on code from libavformat's av_stream_add_side_data().
Signed-off-by: James Almer <jamr...@gmail.com>
---
libavutil/frame.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/libavutil/frame.c b/libavutil/frame.c
index 24d5d5f184..c41d4be8cc 100644
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@ -638,10 +638,24 @@ static AVFrameSideData *frame_new_side_data(AVFrame
*frame,
AVBufferRef *buf)
{
AVFrameSideData *ret, **tmp;
+ int i;
if (!buf)
return NULL;
+ for (i = 0; i < frame->nb_side_data; i++) {
+ AVFrameSideData *sd = frame->side_data[i];
+
+ if (sd->type == type) {
+ av_buffer_unref(&sd->buf);
+ av_dict_free(&sd->metadata);
+ sd->buf = buf;
+ sd->data = sd->buf->data;
+ sd->size = buf->size;
+ return sd;
+ }
+ }
+
if (frame->nb_side_data > INT_MAX / sizeof(*frame->side_data) - 1)
goto fail;
--
2.13.3
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