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authorMichael Niedermayer <michaelni@gmx.at>2013-01-06 02:27:22 +0100
committerMichael Niedermayer <michaelni@gmx.at>2013-01-06 02:40:44 +0100
commit0ef615126fd7807b6fbef5178819655d9b7eb1f9 (patch)
treefa59d06c25ee9334c7c4c06e0a2cb22d719337b8 /libavfilter/vf_kerndeint.c
parent4784a135b2b0fe4d1b4c6256bd37265fc45aed3d (diff)
downloadffmpeg-0ef615126fd7807b6fbef5178819655d9b7eb1f9.tar.gz
vf_kerndeint: memset buffer to avoid use of uninitialized memory.
This might fix fate failures. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavfilter/vf_kerndeint.c')
-rw-r--r--libavfilter/vf_kerndeint.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/libavfilter/vf_kerndeint.c b/libavfilter/vf_kerndeint.c
index 6cd9bc2ff3..6b87ef6a1f 100644
--- a/libavfilter/vf_kerndeint.c
+++ b/libavfilter/vf_kerndeint.c
@@ -98,12 +98,17 @@ static int config_props(AVFilterLink *inlink)
{
KerndeintContext *kerndeint = inlink->dst->priv;
const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[inlink->format];
+ int ret;
kerndeint->vsub = desc->log2_chroma_h;
kerndeint->pixel_step = av_get_bits_per_pixel(desc) >> 3;
- return av_image_alloc(kerndeint->tmp_data, kerndeint->tmp_bwidth,
+ ret = av_image_alloc(kerndeint->tmp_data, kerndeint->tmp_bwidth,
inlink->w, inlink->h, inlink->format, 1);
+ if (ret < 0)
+ return ret;
+ memset(kerndeint->tmp_data[0], 0, ret);
+ return 0;
}
static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *inpic)