1 files changed, 13 insertions, 0 deletions
diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 75699f3a32..70b36d7682 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -1786,6 +1786,19 @@ typedef struct AVFormatContext {
      * - decoding: set by user
      */
     int max_probe_packets;
+
+    /**
+     * A callback for closing the streams opened with AVFormatContext.io_open().
+     *
+     * Using this is preferred over io_close, because this can return an error.
+     * Therefore this callback is used instead of io_close by the generic
+     * libavformat code if io_close is NULL or the default.
+     *
+     * @param s the format context
+     * @param pb IO context to be closed and freed
+     * @return 0 on success, a negative AVERROR code on failure
+     */
+    int (*io_close2)(struct AVFormatContext *s, AVIOContext *pb);
 } AVFormatContext;
 
 /**