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avformat/assenc: mux an event header if none are found in extradata

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Clément Bœsch 2014-09-20 21:37:01 +02:00
parent 3a6fa38fb1
commit 0e6bad1229
1 changed files with 2 additions and 0 deletions
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2
libavformat/assenc.c
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@ -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;