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Correct reading bits in MPC SV8 base codes (when we have to read 0 or >16 bits). 

Originally committed as revision 19182 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2009-06-13 06:41:51 +00:00
parent 8c1ff0abae
commit 0d5390b062
1 changed files with 2 additions and 1 deletions
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libavcodec/mpc8.c
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@ -44,7 +44,8 @@ static const int quant_offsets[6] = { MPC8_Q5_OFFSET, MPC8_Q6_OFFSET, MPC8_Q7_OF
static inline int mpc8_dec_base(GetBitContext *gb, int k, int n)
{
int code = get_bits(gb, mpc8_cnk_len[k-1][n-1] - 1);
int len = mpc8_cnk_len[k-1][n-1] - 1;
int code = len ? get_bits_long(gb, len) : 0;
if (code >= mpc8_cnk_lost[k-1][n-1])
code = ((code << 1) | get_bits1(gb)) - mpc8_cnk_lost[k-1][n-1];