[FFmpeg-devel] [PATCH v0 04/14] avutil/frame: split side data list wiping out to non-AVFrame function

["Jan Ekström" <jeebjp@gmail.com>]

---
 libavutil/frame.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/libavutil/frame.c b/libavutil/frame.c
index c905e8d611..019613e4d2 100644
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@ -76,14 +76,18 @@ static void free_side_data(AVFrameSideData **ptr_sd)
     av_freep(ptr_sd);
 }
 
-static void wipe_side_data(AVFrame *frame)
+static void wipe_side_data(AVFrameSideData ***sd, int *nb_side_data)
 {
-    for (int i = 0; i < frame->nb_side_data; i++) {
-        free_side_data(&frame->side_data[i]);
+    for (int i = 0; i < *nb_side_data; i++) {
+        free_side_data(&((*sd)[i]));
     }
-    frame->nb_side_data = 0;
+    *nb_side_data = 0;
+
+    av_freep(sd);
+}
 
-    av_freep(&frame->side_data);
+static void wipe_side_data_from_frame(AVFrame *frame) {
+    wipe_side_data(&frame->side_data, &frame->nb_side_data);
 }
 
 AVFrame *av_frame_alloc(void)
@@ -326,7 +330,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
             sd_dst = av_frame_new_side_data(dst, sd_src->type,
                                             sd_src->size);
             if (!sd_dst) {
-                wipe_side_data(dst);
+                wipe_side_data_from_frame(dst);
                 return AVERROR(ENOMEM);
             }
             memcpy(sd_dst->data, sd_src->data, sd_src->size);
@@ -335,7 +339,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
             sd_dst = av_frame_new_side_data_from_buf(dst, sd_src->type, ref);
             if (!sd_dst) {
                 av_buffer_unref(&ref);
-                wipe_side_data(dst);
+                wipe_side_data_from_frame(dst);
                 return AVERROR(ENOMEM);
             }
         }
@@ -486,7 +490,7 @@ void av_frame_unref(AVFrame *frame)
     if (!frame)
         return;
 
-    wipe_side_data(frame);
+    wipe_side_data_from_frame(frame);
 
     for (int i = 0; i < FF_ARRAY_ELEMS(frame->buf); i++)
         av_buffer_unref(&frame->buf[i]);
-- 
2.39.2

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