---
libavformat/assenc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavformat/assenc.c b/libavformat/assenc.c
index 236d021..5779e92 100644
--- a/libavformat/assenc.c
+++ b/libavformat/assenc.c
@@ -54,6 +54,8 @@ static int write_header(AVFormatContext *s)
if (avctx->extradata[avctx->extradata_size - 1] != '\n')
avio_write(s->pb, "\r\n", 2);
}
+ if (!strstr(avctx->extradata, "\n[Events]"))
+ avio_printf(s->pb, "[Events]\r\nFormat: Layer, Start, End, Style,
Actor, MarginL, MarginR, MarginV, Effect, Text\r\n");
avio_flush(s->pb);
return 0;
--
2.1.0
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