Merge commit '0092c1dd'

* commit '0092c1dd':
  matroskaenc: allow override of "writing application" tag

Conflicts:
	libavformat/matroskaenc.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/matroskaenc.c

@@ -942,7 +942,9 @@ static int mkv_write_tag(AVFormatContext *s, AVDictionary *m, unsigned int eleme
     end_ebml_master(s->pb, targets);
 
     while ((t = av_dict_get(m, "", t, AV_DICT_IGNORE_SUFFIX)))
-        if (av_strcasecmp(t->key, "title") && av_strcasecmp(t->key, "stereo_mode"))
+        if (av_strcasecmp(t->key, "title") &&
+            av_strcasecmp(t->key, "stereo_mode") &&
+            av_strcasecmp(t->key, "encoding_tool"))
             mkv_write_simpletag(s->pb, t);
 
     end_ebml_master(s->pb, tag);
@@ -1147,7 +1149,10 @@ static int mkv_write_header(AVFormatContext *s)
             segment_uid[i] = av_lfg_get(&lfg);
 
         put_ebml_string(pb, MATROSKA_ID_MUXINGAPP , LIBAVFORMAT_IDENT);
-        put_ebml_string(pb, MATROSKA_ID_WRITINGAPP, LIBAVFORMAT_IDENT);
+        if ((tag = av_dict_get(s->metadata, "encoding_tool", NULL, 0)))
+            put_ebml_string(pb, MATROSKA_ID_WRITINGAPP, tag->value);
+        else
+            put_ebml_string(pb, MATROSKA_ID_WRITINGAPP, LIBAVFORMAT_IDENT);
         put_ebml_binary(pb, MATROSKA_ID_SEGMENTUID, segment_uid, 16);
     } else {
         const char *ident = "Lavf";