@@ -965,7 +965,7 @@ int ffio_open_dyn_packet_buf(AVIOContext **s, int max_packet_size)

 int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer)

 {

-    DynBuffer *d = s->opaque;

+    DynBuffer *d;

     int size;

     static const char padbuf[FF_INPUT_BUFFER_PADDING_SIZE] = {0};

     int padding = 0;

@@ -983,6 +983,7 @@ int avio_close_dyn_buf(AVIOContext *s, uint8_t **pbuffer)

     avio_flush(s);

+    d = s->opaque;

     *pbuffer = d->buffer;

     size = d->size;

     av_free(d);