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-rw-r--r--libavformat/wtvenc.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/libavformat/wtvenc.c b/libavformat/wtvenc.c
index b82ff0b7a2..a1286ae494 100644
--- a/libavformat/wtvenc.c
+++ b/libavformat/wtvenc.c
@@ -243,14 +243,15 @@ static void put_videoinfoheader2(AVIOContext *pb, AVStream *st)
ff_put_bmp_header(pb, st->codec, ff_codec_bmp_tags, 0, 1);
if (st->codec->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
+ int padding = (st->codec->extradata_size & 3) ? 4 - (st->codec->extradata_size & 3) : 0;
/* MPEG2VIDEOINFO */
avio_wl32(pb, 0);
- avio_wl32(pb, st->codec->extradata_size);
+ avio_wl32(pb, st->codec->extradata_size + padding);
avio_wl32(pb, -1);
avio_wl32(pb, -1);
avio_wl32(pb, 0);
avio_write(pb, st->codec->extradata, st->codec->extradata_size);
- avio_wl64(pb, 0);
+ ffio_fill(pb, 0, padding);
}
}