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ffmpeg.wasm-core
Commit ccf4ab8c authored by Paul B Mahol's avatar Paul B Mahol
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avfilter/vf_edgedetect: check if height is big enough 

Fixes #8260
parent 4f4334bc
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Showing with 6 additions and 3 deletions
libavfilter/vf_edgedetect.c
View file @ ccf4ab8c
...@@ -150,7 +150,8 @@ static void gaussian_blur(AVFilterContext *ctx, int w, int h, ...@@ -150,7 +150,8 @@ static void gaussian_blur(AVFilterContext *ctx, int w, int h,
int i, j; int i, j;
memcpy(dst, src, w); dst += dst_linesize; src += src_linesize; memcpy(dst, src, w); dst += dst_linesize; src += src_linesize;
memcpy(dst, src, w); dst += dst_linesize; src += src_linesize; if (h > 1)
memcpy(dst, src, w); dst += dst_linesize; src += src_linesize;
for (j = 2; j < h - 2; j++) { for (j = 2; j < h - 2; j++) {
dst[0] = src[0]; dst[0] = src[0];
dst[1] = src[1]; dst[1] = src[1];
...@@ -180,8 +181,10 @@ static void gaussian_blur(AVFilterContext *ctx, int w, int h, ...@@ -180,8 +181,10 @@ static void gaussian_blur(AVFilterContext *ctx, int w, int h,
dst += dst_linesize; dst += dst_linesize;
src += src_linesize; src += src_linesize;
} }
memcpy(dst, src, w); dst += dst_linesize; src += src_linesize; if (h > 2)
memcpy(dst, src, w); memcpy(dst, src, w); dst += dst_linesize; src += src_linesize;
if (h > 3)
memcpy(dst, src, w);
} }
enum { enum {
......
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