avcodec: Fix reference data type for nvdec vc1 hwaccel

[ffmpeg] / libavcodec / internal.h

diff --git a/libavcodec/internal.h b/libavcodec/internal.h
index 948d5461c1015e5ff35bb682eb5aaa966371d097..d47ce0e93d55590f143fe372fef19064bb3b1ab2 100644 (file)
--- a/libavcodec/internal.h
+++ b/libavcodec/internal.h
@@ -414,4 +414,14 @@ int ff_alloc_a53_sei(const AVFrame *frame, size_t prefix_len,
  */
 int64_t ff_guess_coded_bitrate(AVCodecContext *avctx);
 
+#if defined(_WIN32) && CONFIG_SHARED
+#ifdef BUILDING_avcodec
+#    define av_export_avcodec __declspec(dllexport)
+#else
+#    define av_export_avcodec __declspec(dllimport)
+#endif
+#else
+#    define av_export_avcodec
+#endif
+
 #endif /* AVCODEC_INTERNAL_H */