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Change maskbit variable to contain (1 << maskbit)

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Originally committed as revision 19058 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger
2009-05-31 10:58:20 +00:00
parent e0b3af9059
commit a5d2745d8e
1 changed files with 3 additions and 2 deletions
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5
libavcodec/lcldec.c
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@@ -88,10 +88,10 @@ static unsigned int mszh_decomp(const unsigned char * srcptr, int srclen, unsign
while (srcptr < srcptr_end && destptr < destptr_end) { while (srcptr < srcptr_end && destptr < destptr_end) {
if (maskbit == 0) { if (maskbit == 0) {
mask = *srcptr++; mask = *srcptr++;
maskbit = 8; maskbit = 0x80;
continue; continue;
} }
if ((mask & (1 << (--maskbit))) == 0) { if (!(mask & maskbit)) {
memcpy(destptr, srcptr, 4); memcpy(destptr, srcptr, 4);
destptr += 4; destptr += 4;
srcptr += 4; srcptr += 4;
@@ -104,6 +104,7 @@ static unsigned int mszh_decomp(const unsigned char * srcptr, int srclen, unsign
av_memcpy_backptr(destptr, ofs, cnt); av_memcpy_backptr(destptr, ofs, cnt);
destptr += cnt; destptr += cnt;
} }
maskbit >>= 1;
} }
return destptr - destptr_bak; return destptr - destptr_bak;