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svq1dec: avoid undefined get_bits(0) call

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Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2011-11-26 15:30:34 +00:00
parent 59807fee6d
commit 51a16077da
1 changed files with 2 additions and 1 deletions
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3
libavcodec/svq1dec.c
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@ -195,7 +195,8 @@ static const uint8_t string_table[256] = {
#define SVQ1_CALC_CODEBOOK_ENTRIES(cbook)\ #define SVQ1_CALC_CODEBOOK_ENTRIES(cbook)\
codebook = (const uint32_t *) cbook[level];\ codebook = (const uint32_t *) cbook[level];\
bit_cache = get_bits (bitbuf, 4*stages);\ if (stages > 0)\
bit_cache = get_bits (bitbuf, 4*stages);\
/* calculate codebook entries for this vector */\ /* calculate codebook entries for this vector */\
for (j=0; j < stages; j++) {\ for (j=0; j < stages; j++) {\
entries[j] = (((bit_cache >> (4*(stages - j - 1))) & 0xF) + 16*j) << (level + 1);\ entries[j] = (((bit_cache >> (4*(stages - j - 1))) & 0xF) + 16*j) << (level + 1);\