Patch for libdlna to fix some missing symbols from newer libavformat versions. Source: http://code.google.com/p/ffmpegthumbnailer/issues/detail?id=84

fix-missing-symbols.patch

--- a/src/profiles.c.orig	2011-08-23 20:26:34.000000000 +0200
+++ b/src/profiles.c	2011-08-23 20:35:03.000000000 +0200
@@ -204,14 +204,24 @@
 
   for (i = 0; i < ctx->nb_streams; i++)
   {
+#if LIBAVFORMAT_BUILD < 4621
     if (audio_stream == -1 &&
         ctx->streams[i]->codec->codec_type == CODEC_TYPE_AUDIO)
+#else
+    if (audio_stream == -1 &&
+        ctx->streams[i]->codec->codec_type == AVMEDIA_TYPE_AUDIO)
+#endif 
     {
       audio_stream = i;
       continue;
     }
+#if LIBAVFORMAT_BUILD < 4621
     else if (video_stream == -1 &&
              ctx->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO)
+#else
+    else if (video_stream == -1 &&
+             ctx->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO)
+#endif
     {
       video_stream = i;
       continue;