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Code Issues Releases Wiki Activity

Fix -vf tfields=1 so it does not read out of bounds or leave parts of the 

output frame uninitialized.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@30483 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2010-02-01 19:14:01 +00:00
parent 92f21ea5cc
commit 3540bd7af5
1 changed files with 9 additions and 3 deletions
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12
libmpcodecs/vf_tfields.c
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@ -43,13 +43,16 @@ static void deint(unsigned char *dest, int ds, unsigned char *src, int ss, int w
int x, y;
src += ss;
dest += ds;
h--;
if (field) {
fast_memcpy(dest - ds, src - ss, w);
src += ss;
dest += ds;
h -= 2;
h--;
}
for (y=h/2; y; y--) {
for (x=0; x<w; x++) {
for (y=h/2; y > 0; y--) {
dest[0] = src[0];
for (x=1; x<w-1; x++) {
if (((src[x-ss] < src[x]) && (src[x+ss] < src[x])) ||
((src[x-ss] > src[x]) && (src[x+ss] > src[x]))) {
//dest[x] = (src[x+ss] + src[x-ss])>>1;
@ -59,9 +62,12 @@ static void deint(unsigned char *dest, int ds, unsigned char *src, int ss, int w
}
else dest[x] = src[x];
}
dest[w-1] = src[w-1];
dest += ds<<1;
src += ss<<1;
}
if (h & 1)
fast_memcpy(dest, src, w);
}
#if HAVE_AMD3DNOW