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avcodec/xan: use init_get_bits8() 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-10-29 13:22:36 +00:00
parent 1de8dfcbc4
commit 2508fa10c6
1 changed files with 3 additions and 4 deletions
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7
libavcodec/xan.c
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@ -111,12 +111,11 @@ static int xan_huffman_decode(uint8_t *dest, int dest_len,
uint8_t val = ival;
uint8_t *dest_end = dest + dest_len;
uint8_t *dest_start = dest;
int ret;
GetBitContext gb;
if (ptr_len < 0)
return AVERROR_INVALIDDATA;
init_get_bits(&gb, ptr, ptr_len * 8);
if ((ret = init_get_bits8(&gb, ptr, ptr_len)) < 0)
return ret;
while (val != 0x16) {
unsigned idx = val - 0x17 + get_bits1(&gb) * byte;