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authorMichael Niedermayer <michaelni@gmx.at>2012-07-31 01:57:18 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-07-31 01:57:18 +0200
commit30c8573dc7d6556096103d5376aa6dea3216b0a7 (patch)
tree53e1e39c85daffe5864e786f203c6cb687017af5 /libavcodec/mpeg4videoenc.c
parentb5da7d4c1a7f08f89aece651a8f0f8c4963e5ad9 (diff)
mpeg4videoenc: ensure SAR is within the supported range
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/mpeg4videoenc.c')
-rw-r--r--libavcodec/mpeg4videoenc.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/mpeg4videoenc.c b/libavcodec/mpeg4videoenc.c
index e073746e62..cbf84b720e 100644
--- a/libavcodec/mpeg4videoenc.c
+++ b/libavcodec/mpeg4videoenc.c
@@ -969,6 +969,8 @@ static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_n
put_bits(&s->pb, 4, s->aspect_ratio_info);/* aspect ratio info */
if (s->aspect_ratio_info == FF_ASPECT_EXTENDED){
+ av_reduce(&s->avctx->sample_aspect_ratio.num, &s->avctx->sample_aspect_ratio.den,
+ s->avctx->sample_aspect_ratio.num, s->avctx->sample_aspect_ratio.den, 255);
put_bits(&s->pb, 8, s->avctx->sample_aspect_ratio.num);
put_bits(&s->pb, 8, s->avctx->sample_aspect_ratio.den);
}