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vf_vapoursynth: reject unaligned video sizes

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Leads to some nice memory corruption otherwise.
This commit is contained in:
wm4 2015-05-15 13:41:19 +02:00
parent 372b85b9d2
commit 06bfa9309d
1 changed files with 7 additions and 0 deletions
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7
video/filter/vf_vapoursynth.c
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@ -673,6 +673,13 @@ static int config(struct vf_instance *vf, int width, int height,
return 0;
}
struct mp_imgfmt_desc desc = mp_imgfmt_get_desc(fmt);
if (width % desc.align_x || height % desc.align_y) {
MP_FATAL(vf, "VapourSynth does not allow unaligned/cropped video sizes.\n");
destroy_vs(vf);
return 0;
}
vf_rescale_dsize(&d_width, &d_height, width, height, vi->width, vi->height);
return vf_next_config(vf, vi->width, vi->height, d_width, d_height, flags, fmt);