X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Finternal.h;h=d47ce0e93d55590f143fe372fef19064bb3b1ab2;hb=64f9188aae2d5b9f94550285385c0110ea784226;hp=7748f09f5496ca5b15690d7ed8a34848f4b2afae;hpb=a82a10e08f5d4f206e1e6781653d75f82d3de6c6;p=ffmpeg

diff --git a/libavcodec/internal.h b/libavcodec/internal.h
index 7748f09f549..d47ce0e93d5 100644
--- a/libavcodec/internal.h
+++ b/libavcodec/internal.h
@@ -69,6 +69,11 @@
  */
 #define FF_CODEC_CAP_SLICE_THREAD_HAS_MF    (1 << 5)
 
+/**
+ * Allow only AVHWAccels which have a matching decoder_class field.
+ */
+#define FF_CODEC_CAP_HWACCEL_REQUIRE_CLASS  (1 << 6)
+
 #ifdef TRACE
 #   define ff_tlog(ctx, ...) av_log(ctx, AV_LOG_TRACE, __VA_ARGS__)
 #else
@@ -409,4 +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 */