Otherwise it may accumulate when e.g. global side data is repeatedly
copied to the frame with in each subsequent reget_buffer() call.
---
libavcodec/decode.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavcodec/decode.c b/libavcodec/decode.c
index 1f2fbda6ad..57cca44d05 100644
--- a/libavcodec/decode.c
+++ b/libavcodec/decode.c
@@ -1685,6 +1685,8 @@ static int reget_buffer_internal(AVCodecContext *avctx,
AVFrame *frame, int flag
if (!frame->data[0])
return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
+ av_frame_side_data_free(&frame->side_data, &frame->nb_side_data);
+
if ((flags & FF_REGET_BUFFER_FLAG_READONLY) || av_frame_is_writable(frame))
return ff_decode_frame_props(avctx, frame);
--
2.43.0
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