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Code Issues Releases Activity

Wrong state handling causing decompression errors in some cases

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Originally committed as revision 4852 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2006-01-14 12:55:20 +00:00
parent f3b6010916
commit d66fbc14de
1 changed files with 1 additions and 3 deletions
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4
libavcodec/lzo.c
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@ -118,7 +118,6 @@ int lzo1x_decode(void *out, int *outlen, void *in, int *inlen) {
while (!c.error) {
int cnt, back;
if (x >> 4) {
state = BACKPTR;
if (x >> 6) {
cnt = (x >> 5) - 1;
back = (get_byte(&c) << 3) + ((x >> 2) & 7) + 1;
@ -155,10 +154,9 @@ int lzo1x_decode(void *out, int *outlen, void *in, int *inlen) {
}
copy_backptr(&c, back, cnt + 2);
cnt = x & 3;
state = cnt ? BACKPTR : COPY;
if (cnt)
copy(&c, cnt);
else
state = (state == COPY) ? BACKPTR : COPY;
x = get_byte(&c);
}
*inlen = c.in_end - c.in;