diff --git a/libavformat/movenc.c b/libavformat/movenc.c index 0143e9b54a..2b39a42a51 100644 --- a/libavformat/movenc.c +++ b/libavformat/movenc.c @@ -2530,7 +2530,8 @@ static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov) } version = max_track_len < UINT32_MAX ? 0 : 1; - (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */ + avio_wb32(pb, version == 1 ? 120 : 108); /* size */ + ffio_wfourcc(pb, "mvhd"); avio_w8(pb, version); avio_wb24(pb, 0); /* flags */