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-rw-r--r--libavformat/gxfenc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/gxfenc.c b/libavformat/gxfenc.c
index 78e1a1cbdd..565a86580f 100644
--- a/libavformat/gxfenc.c
+++ b/libavformat/gxfenc.c
@@ -190,7 +190,7 @@ static int gxf_write_mpeg_auxiliary(ByteIOContext *pb, AVStream *st)
"Pix 0\nCf %d\nCg %d\nSl %d\nnl16 %d\nVi 1\nf1 1\n",
(float)st->codec->bit_rate, sc->p_per_gop, sc->b_per_i_or_p,
st->codec->pix_fmt == PIX_FMT_YUV422P ? 2 : 1, sc->first_gop_closed == 1,
- starting_line, st->codec->height / 16);
+ starting_line, (st->codec->height + 15) / 16);
put_byte(pb, TRACK_MPG_AUX);
put_byte(pb, size + 1);
put_buffer(pb, (uint8_t *)buffer, size + 1);