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avfilter/vf_deshake: check rx

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Fixes crash on SSE2
Fixes Ticket2443

Note, its possible to restructure the code to avoid the 16pixel limitation,
and such change is welcome!

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-05-18 18:28:59 +02:00
parent f49564c607
commit 9f88db5df1
1 changed files with 5 additions and 0 deletions
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5
libavfilter/vf_deshake.c
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@ -355,6 +355,11 @@ static av_cold int init(AVFilterContext *ctx)
deshake->blocksize /= 2;
deshake->blocksize = av_clip(deshake->blocksize, 4, 128);
if (deshake->rx % 16) {
av_log(ctx, AV_LOG_ERROR, "rx must be a multiple of 16\n");
return AVERROR_PATCHWELCOME;
}
if (deshake->filename)
deshake->fp = fopen(deshake->filename, "w");
if (deshake->fp)