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Code Issues Releases Activity

fixing get_bits_count at the end

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Originally committed as revision 638 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2002-06-02 12:13:09 +00:00
parent 7fd08ac1d1
commit c9b5489c08
1 changed files with 8 additions and 3 deletions
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11
libavcodec/common.c
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@ -174,6 +174,9 @@ unsigned int get_bits_long(GetBitContext *s, int n)
(buf_ptr[-2] << 8) | (buf_ptr[-2] << 8) |
(buf_ptr[-1]); (buf_ptr[-1]);
#endif #endif
val |= bit_buf >> (32 + bit_cnt);
bit_buf <<= - bit_cnt;
bit_cnt += 32;
} else { } else {
buf_ptr -= 4; buf_ptr -= 4;
bit_buf = 0; bit_buf = 0;
@ -185,11 +188,13 @@ unsigned int get_bits_long(GetBitContext *s, int n)
bit_buf |= *buf_ptr++ << 8; bit_buf |= *buf_ptr++ << 8;
if (buf_ptr < s->buf_end) if (buf_ptr < s->buf_end)
bit_buf |= *buf_ptr++; bit_buf |= *buf_ptr++;
val |= bit_buf >> (32 + bit_cnt);
bit_buf <<= - bit_cnt;
bit_cnt += 8*(buf_ptr - s->buf_ptr);
if(bit_cnt<0) bit_cnt=0;
} }
s->buf_ptr = buf_ptr; s->buf_ptr = buf_ptr;
val |= bit_buf >> (32 + bit_cnt);
bit_buf <<= - bit_cnt;
bit_cnt += 32;
} }
s->bit_buf = bit_buf; s->bit_buf = bit_buf;
s->bit_cnt = bit_cnt; s->bit_cnt = bit_cnt;