From d161ae0a37900cbd36c1390ca32a56b892c02ab5 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Wed, 19 Feb 2014 20:11:21 +0100
Subject: frame: add a function for removing side data from a frame

---
 libavutil/frame.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'libavutil/frame.c')

diff --git a/libavutil/frame.c b/libavutil/frame.c
index f81bbbd138..cc4bfcdf4b 100644
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@ -526,3 +526,19 @@ int av_frame_copy(AVFrame *dst, const AVFrame *src)
 
     return AVERROR(EINVAL);
 }
+
+void av_frame_remove_side_data(AVFrame *frame, enum AVFrameSideDataType type)
+{
+    int i;
+
+    for (i = 0; i < frame->nb_side_data; i++) {
+        AVFrameSideData *sd = frame->side_data[i];
+        if (sd->type == type) {
+            av_freep(&sd->data);
+            av_dict_free(&sd->metadata);
+            av_freep(&frame->side_data[i]);
+            frame->side_data[i] = frame->side_data[frame->nb_side_data - 1];
+            frame->nb_side_data--;
+        }
+    }
+}
-- 
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