1 files changed, 6 insertions, 5 deletions
diff --git a/video.h b/video.h
index e33dca5..247006f 100644
--- a/video.h
+++ b/video.h
@@ -47,16 +47,17 @@ extern unsigned VideoGetSurface(VideoHwDecoder *);
 extern void VideoReleaseSurface(VideoHwDecoder *, unsigned);
 
 #ifdef LIBAVCODEC_VERSION
+    /// Callback to negotiate the PixelFormat.
+extern enum PixelFormat Video_get_format(VideoHwDecoder *, AVCodecContext *,
+    const enum PixelFormat *);
+
     /// Render a ffmpeg frame.
-extern void VideoRenderFrame(VideoHwDecoder *, AVCodecContext *, AVFrame *);
+extern void VideoRenderFrame(VideoHwDecoder *, const AVCodecContext *,
+    const AVFrame *);
 
     /// Get ffmpeg vaapi context.
 extern struct vaapi_context *VideoGetVaapiContext(VideoHwDecoder *);
 
-    /// Callback to negotiate the PixelFormat.
-extern enum PixelFormat Video_get_format(VideoHwDecoder *, AVCodecContext *,
-    const enum PixelFormat *);
-
 #ifdef AVCODEC_VDPAU_H
     /// Draw vdpau render state.
 extern void VideoDrawRenderState(VideoHwDecoder *,