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Linshizhi
ffmpeg.wasm-core
Commits
339d8fb3
Commit
339d8fb3
authored
Jul 15, 2014
by
Michael Niedermayer
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avcodec/mpegvideo_enc: check intra dc precission
Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
97f86cd9
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mpegvideo_enc.c
libavcodec/mpegvideo_enc.c
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libavcodec/mpegvideo_enc.c
View file @
339d8fb3
...
...
@@ -342,6 +342,17 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
}
else
if
(
s
->
intra_dc_precision
>=
8
)
s
->
intra_dc_precision
-=
8
;
if
(
s
->
intra_dc_precision
<
0
)
{
av_log
(
avctx
,
AV_LOG_ERROR
,
"intra dc precision must be positive, note some applications use"
" 0 and some 8 as base meaning 8bit, the value must not be smaller than that
\n
"
);
return
AVERROR
(
EINVAL
);
}
if
(
s
->
intra_dc_precision
>
(
avctx
->
codec_id
==
AV_CODEC_ID_MPEG2VIDEO
?
3
:
0
))
{
av_log
(
avctx
,
AV_LOG_ERROR
,
"intra dc precision too large
\n
"
);
return
AVERROR
(
EINVAL
);
}
s
->
user_specified_pts
=
AV_NOPTS_VALUE
;
if
(
s
->
gop_size
<=
1
)
{
...
...
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