libavutil: Don't use fcntl if the function does not exist

[ffmpeg] / libavutil / frame.h

diff --git a/libavutil/frame.h b/libavutil/frame.h
index adc23b2ecc7de38993dfc1d114728621a9112591..d71948db09d58fb880d907d9e0d4e3ca7a43136b 100644 (file)
--- a/libavutil/frame.h
+++ b/libavutil/frame.h
@@ -485,7 +485,7 @@ AVFrameSideData *av_frame_new_side_data(AVFrame *frame,
  * @return a pointer to the side data of a given type on success, NULL if there
  * is no side data with such type in this frame.
  */
-AVFrameSideData *av_frame_get_side_data(AVFrame *frame,
+AVFrameSideData *av_frame_get_side_data(const AVFrame *frame,
                                         enum AVFrameSideDataType type);
 
 #endif /* AVUTIL_FRAME_H */