From f287a285d91bd89aa36699ce75818c7267f5f6ee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Ekstr=C3=B6m?= <jeebjp@gmail.com>
Date: Sun, 19 Mar 2023 15:37:40 +0200
Subject: avutil/frame: add helper for getting side data from array

---
 libavutil/frame.c | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

(limited to 'libavutil/frame.c')

diff --git a/libavutil/frame.c b/libavutil/frame.c
index 9d3eae4bae..89db687d9c 100644
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@ -813,16 +813,26 @@ int av_frame_side_data_clone(AVFrameSideData ***sd, int *nb_sd,
     return 0;
 }
 
-AVFrameSideData *av_frame_get_side_data(const AVFrame *frame,
-                                        enum AVFrameSideDataType type)
+const AVFrameSideData *av_frame_side_data_get(const AVFrameSideData **sd,
+                                              const int nb_sd,
+                                              enum AVFrameSideDataType type)
 {
-    for (int i = 0; i < frame->nb_side_data; i++) {
-        if (frame->side_data[i]->type == type)
-            return frame->side_data[i];
+    for (int i = 0; i < nb_sd; i++) {
+        if (sd[i]->type == type)
+            return sd[i];
     }
     return NULL;
 }
 
+AVFrameSideData *av_frame_get_side_data(const AVFrame *frame,
+                                        enum AVFrameSideDataType type)
+{
+    return (AVFrameSideData *)av_frame_side_data_get(
+        (const AVFrameSideData **)frame->side_data, frame->nb_side_data,
+        type
+    );
+}
+
 static int frame_copy_video(AVFrame *dst, const AVFrame *src)
 {
     int planes;
-- 
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