[FFmpeg-devel] [PATCH 1/2] frame: handle add side data with the same type

[quinkblack]

From: Zhao Zhili <zhiliz...@tencent.com>

---
 libavutil/frame.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/libavutil/frame.c b/libavutil/frame.c
index dcf1fc3d17..bb20e99331 100644
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@ -692,10 +692,23 @@ AVFrameSideData *av_frame_new_side_data_from_buf(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 = buf->data;
+            sd->size = buf->size;
+            return sd;
+        }
+    }
+
     if (frame->nb_side_data > INT_MAX / sizeof(*frame->side_data) - 1)
         return NULL;
 
-- 
2.22.0



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