ffmpeg-no-vendor.patch

diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index 2a2877f..0d180c9 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -1604,7 +1604,7 @@ static int mkv_write_header(AVFormatContext *s)
             put_ebml_binary(pb, MATROSKA_ID_SEGMENTUID, segment_uid, 16);
         }
     } else {
-        const char *ident = "Lavf";
+        const char *ident = "";
         put_ebml_string(pb, MATROSKA_ID_MUXINGAPP , ident);
         put_ebml_string(pb, MATROSKA_ID_WRITINGAPP, ident);
     }
diff --git a/libavformat/oggenc.c b/libavformat/oggenc.c
index 0713a13..2a95835 100644
--- a/libavformat/oggenc.c
+++ b/libavformat/oggenc.c
@@ -293,7 +293,7 @@ static int ogg_buffer_data(AVFormatContext *s, AVStream *st,
 static uint8_t *ogg_write_vorbiscomment(int64_t offset, int bitexact,
                                         int *header_len, AVDictionary **m, int framing_bit)
 {
-    const char *vendor = bitexact ? "ffmpeg" : LIBAVFORMAT_IDENT;
+    const char *vendor = bitexact ? "" : LIBAVFORMAT_IDENT;
     int64_t size;
     uint8_t *p, *p0;