contrib/ffmpeg/A05-matroskaenc-track-lang.patch


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diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index b39d1b2..d65b6eb 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -988,7 +988,9 @@ static int mkv_write_tag(AVFormatContext *s, AVDictionary *m, unsigned int eleme
 
     while ((t = av_dict_get(m, "", t, AV_DICT_IGNORE_SUFFIX)))
         if (av_strcasecmp(t->key, "title") &&
-            av_strcasecmp(t->key, "encoding_tool"))
+            av_strcasecmp(t->key, "encoding_tool") &&
+            (elementid != MATROSKA_ID_TAGTARGETS_TRACKUID ||
+             av_strcasecmp(t->key, "language")))
             mkv_write_simpletag(s->pb, t);
 
     end_ebml_master(s->pb, tag);