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1000l to the ffsvq3 author, our default bitstream reader is only guranteed to be able to read 25bit at a time

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Originally committed as revision 3237 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-06-19 01:14:13 +00:00
parent 6258c7e674
commit cceb990ef9
1 changed files with 5 additions and 2 deletions
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7
libavcodec/golomb.h
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@ -80,7 +80,10 @@ static inline int svq3_get_ue_golomb(GetBitContext *gb){
return ff_interleaved_ue_golomb_vlc_code[buf];
}else{
buf|=1;
LAST_SKIP_BITS(re, gb, 8);
UPDATE_CACHE(re, gb);
buf |= 1 | (GET_CACHE(re, gb) >> 8);
if((buf & 0xAAAAAAAA) == 0)
return INVALID_VLC;
@ -88,7 +91,7 @@ static inline int svq3_get_ue_golomb(GetBitContext *gb){
buf = (buf << 2) - ((buf << log) >> (log - 1)) + (buf >> 30);
}
LAST_SKIP_BITS(re, gb, 63 - 2*log);
LAST_SKIP_BITS(re, gb, 63 - 2*log - 8);
CLOSE_READER(re, gb);
return ((buf << log) >> log) - 1;