patched ffmpeg nov 2

source/patched-ffmpeg-mt/libavformat/metadata.h

 /*
  * copyright (c) 2009 Michael Niedermayer
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
@@ skipping 21 matching lines @@
 
 struct AVMetadata{
     int count;
     AVMetadataTag *elems;
 };
 
 struct AVMetadataConv{
     const char *native;
     const char *generic;
 };
+#if !FF_API_OLD_METADATA
+typedef struct AVMetadataConv AVMetadataConv;
+#endif
 
 #if FF_API_OLD_METADATA
 void ff_metadata_demux_compat(AVFormatContext *s);
 void ff_metadata_mux_compat(AVFormatContext *s);
 #endif
 
-void metadata_conv(AVMetadata **pm, const AVMetadataConv *d_conv,
-                                    const AVMetadataConv *s_conv);
+void ff_metadata_conv(AVMetadata **pm, const AVMetadataConv *d_conv,
+                                       const AVMetadataConv *s_conv);
+void ff_metadata_conv_ctx(AVFormatContext *ctx, const AVMetadataConv *d_conv,
+                                                const AVMetadataConv *s_conv);
 
 #endif /* AVFORMAT_METADATA_H */